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    Michael Berns

    TitleAdjunct Professor
    SchoolUniversity of California, San Diego
    DepartmentBioengineering
    Address9500 Gilman Drive #0435
    CA La Jolla 92093
    Phone858-822-2954
    vCardDownload vCard

      Collapse Research 
      Collapse Research Activities and Funding
      INTEGRATED PLATFORM FOR CHEMICAL ANALYSIS OF LIVE CELLS
      NIH/NIBIB R01EB000313Sep 30, 1999 - Aug 31, 2005
      Role: Principal Investigator
      INTEGRATED PLATFORM FOR CHEMICAL ANALYSIS OF LIVE CELLS
      NIH/NCRR R01RR014892Sep 30, 1999 - Aug 31, 2004
      Role: Principal Investigator
      LASER APPLICATION TO ARTERIOSCLEROTIC DISEASE
      NIH/NHLBI R01HL031318Dec 1, 1983 - Nov 30, 1989
      Role: Principal Investigator
      LASER PHOTORADIATION THERAPY OF MALIGNANT TUMORS
      NIH/NCI R01CA032248May 1, 1982 - Jul 31, 2004
      Role: Principal Investigator
      A Training Program in Cancer Biology and Therapeutics (CBT)
      NIH/NCI T32CA009054Jul 1, 1980 - Jun 30, 2020
      Role: Co-Principal Investigator
      A Laser Microbeam Biotechnology Resource
      NIH/NCRR P41RR001192Dec 1, 1979 - Mar 31, 2013
      Role: Co-Principal Investigator

      Collapse Bibliographic 
      Collapse Publications
      Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help.
      List All   |   Timeline
      1. Schutt C, Ibsen S, Zahavy E, Aryal S, Kuo S, Esener S, Berns M, Esener S. Drug Delivery Nanoparticles with Locally Tunable Toxicity Made Entirely from a Light-Activatable Prodrug of Doxorubicin. Pharm Res. 2017 Aug 08. PMID: 28791550.
        View in: PubMed
      2. Forer A, Duquette ML, Paliulis LV, Fegaras E, Ono M, Preece D, Berns M. Elastic 'tethers' connect separating anaphase chromosomes in a broad range of animal cells. Eur J Cell Biol. 2017 Sep; 96(6):504-514. PMID: 28780966.
        View in: PubMed
      3. Sheykhani R, Berns M, Forer A. Elastic tethers between separating anaphase chromosomes in crane-fly spermatocytes coordinate chromosome movements to the two poles. Cytoskeleton (Hoboken). 2017 Feb; 74(2):91-103. PMID: 27935262.
        View in: PubMed
      4. Tromberg BJ, Anderson RR, Birngruber R, Brinkmann R, Berns M, Parrish JA, Apiou-Sbirlea G. Biomedical optics centers: forty years of multidisciplinary clinical translation for improving human health. J Biomed Opt. 2016 12 01; 21(12):124001. PMID: 27997018.
        View in: PubMed
      5. Cojoc G, Roscioli E, Zhang L, García-Ulloa A, Shah JV, Berns M, Pavin N, Cimini D, Tolic IM, Gregan J. Laser microsurgery reveals conserved viscoelastic behavior of the kinetochore. J Cell Biol. 2016 Mar 28; 212(7):767-76. PMID: 27002163; PMCID: PMC4810299.
      6. Saquilabon Cruz GM, Kong X, Silva BA, Khatibzadeh N, Thai R, Berns M, Yokomori K. Femtosecond near-infrared laser microirradiation reveals a crucial role for PARP signaling on factor assemblies at DNA damage sites. Nucleic Acids Res. 2016 Feb 18; 44(3):e27. PMID: 26424850; PMCID: PMC4756852.
      7. Bui AA, Stilgoe AB, Khatibzadeh N, Nieminen TA, Berns M, Rubinsztein-Dunlop H. Escape forces and trajectories in optical tweezers and their effect on calibration. Opt Express. 2015 Sep 21; 23(19):24317-30. PMID: 26406637.
        View in: PubMed
      8. Spitler R, Ho H, Norpetlian F, Kong X, Jiang J, Yokomori K, Andersen B, Boss GR, Berns M. Combination of low level light therapy and nitrosyl-cobinamide accelerates wound healing. J Biomed Opt. 2015 May; 20(5):051022. PMID: 25562608; PMCID: PMC4284311.
      9. Selfridge A, Hyun N, Chiang CC, Reyna SM, Weissmiller AM, Shi LZ, Preece D, Mobley WC, Berns M. Rat embryonic hippocampus and induced pluripotent stem cell derived cultured neurons recover from laser-induced subaxotomy. Neurophotonics. 2015 Jan; 2(1):015006. PMID: 26157985; PMCID: PMC4487718.
      10. Kim TJ, Joo C, Seong J, Vafabakhsh R, Botvinick EL, Berns M, Palmer AE, Wang N, Ha T, Jakobsson E, Sun J, Wang Y. Distinct mechanisms regulating mechanical force-induced Ca²? signals at the plasma membrane and the ER in human MSCs. Elife. 2015 Feb 10; 4:e04876. PMID: 25667984; PMCID: PMC4337650.
      11. Gomez-Godinez V, Preece D, Shi L, Khatibzadeh N, Rosales D, Pan Y, Lei L, Wang Y, Berns M. Laser-induced shockwave paired with FRET: a method to study cell signaling. Microsc Res Tech. 2015 Mar; 78(3):195-9. PMID: 25639252; PMCID: PMC4675664.
      12. Hyun N, Shi LZ, Berns M. Laser microbeam targeting of single nerve axons in cell culture. Methods Mol Biol. 2015; 1254:211-26. PMID: 25431068.
        View in: PubMed
      13. Khatibzadeh N, Stilgoe AB, Bui AA, Rocha Y, Cruz GM, Loke V, Shi LZ, Nieminen TA, Rubinsztein-Dunlop H, Berns M. Determination of motility forces on isolated chromosomes with laser tweezers. Sci Rep. 2014 Oct 31; 4:6866. PMID: 25359514; PMCID: PMC4215326.
      14. Ibsen S, Shi G, Schutt C, Shi L, Suico KD, Benchimol M, Serra V, Simberg D, Berns M, Esener S. The behavior of lipid debris left on cell surfaces from microbubble based ultrasound molecular imaging. Ultrasonics. 2014 Dec; 54(8):2090-8. PMID: 25059435; PMCID: PMC4151124.
      15. Silva BA, Stambaugh JR, Yokomori K, Shah JV, Berns M. DNA damage to a single chromosome end delays anaphase onset. J Biol Chem. 2014 Aug 15; 289(33):22771-84. PMID: 24982423; PMCID: PMC4132783.
      16. Wang H, Li Y, Truong LN, Shi LZ, Hwang PY, He J, Do J, Cho MJ, Li H, Negrete A, Shiloach J, Berns M, Shen B, Chen L, Wu X. CtIP maintains stability at common fragile sites and inverted repeats by end resection-independent endonuclease activity. Mol Cell. 2014 Jun 19; 54(6):1012-21. PMID: 24837675; PMCID: PMC4105207.
      17. Spitler R, Berns M. Comparison of laser and diode sources for acceleration of in vitro wound healing by low-level light therapy. J Biomed Opt. 2014 Mar; 19(3):38001. PMID: 24638250.
        View in: PubMed
      18. Kong X, Ball AR, Pham HX, Zeng W, Chen HY, Schmiesing JA, Kim JS, Berns M, Yokomori K. Distinct functions of human cohesin-SA1 and cohesin-SA2 in double-strand break repair. Mol Cell Biol. 2014 Feb; 34(4):685-98. PMID: 24324008; PMCID: PMC3911484.
      19. Silva BA, Stambaugh JR, Berns M. Targeting telomere-containing chromosome ends with a near-infrared femtosecond laser to study the activation of the DNA damage response and DNA damage repair pathways. J Biomed Opt. 2013 Sep; 18(9):095003. PMID: 24064949; PMCID: PMC3782557.
      20. Spitler R, Schwappacher R, Wu T, Kong X, Yokomori K, Pilz RB, Boss GR, Berns M. Nitrosyl-cobinamide (NO-Cbi), a new nitric oxide donor, improves wound healing through cGMP/cGMP-dependent protein kinase. Cell Signal. 2013 Dec; 25(12):2374-82. PMID: 23920342.
        View in: PubMed
      21. Truong LN, Li Y, Shi LZ, Hwang PY, He J, Wang H, Razavian N, Berns M, Wu X. Microhomology-mediated End Joining and Homologous Recombination share the initial end resection step to repair DNA double-strand breaks in mammalian cells. Proc Natl Acad Sci U S A. 2013 May 07; 110(19):7720-5. PMID: 23610439; PMCID: PMC3651503.
      22. Chandsawangbhuwana C, Shi LZ, Zhu Q, Berns M. Real-time calcium measurements of live optically trapped microorganisms. J Biophotonics. 2014 Aug; 7(8):571-9. PMID: 23576396.
        View in: PubMed
      23. Sheykhani R, Baker N, Gomez-Godinez V, Liaw LH, Shah J, Berns M, Forer A. The role of actin and myosin in PtK2 spindle length changes induced by laser microbeam irradiations across the spindle. Cytoskeleton (Hoboken). 2013 May; 70(5):241-59. PMID: 23475753.
        View in: PubMed
      24. Chandsawangbhuwana C, Shi LZ, Zhu Q, Berns M. Purple sea urchin Strongylocentrotus purpuratus gamete manipulation using optical trapping and microfluidics. J Biomed Opt. 2013 Apr; 18(4):040501. PMID: 23525373.
        View in: PubMed
      25. Ferraro-Gideon J, Sheykhani R, Zhu Q, Duquette ML, Berns M, Forer A. Measurements of forces produced by the mitotic spindle using optical tweezers. Mol Biol Cell. 2013 May; 24(9):1375-86. PMID: 23485565; PMCID: PMC3639049.
      26. Wang H, Shi LZ, Wong CC, Han X, Hwang PY, Truong LN, Zhu Q, Shao Z, Chen DJ, Berns M, Yates JR, Chen L, Wu X. The interaction of CtIP and Nbs1 connects CDK and ATM to regulate HR-mediated double-strand break repair. PLoS Genet. 2013; 9(2):e1003277. PMID: 23468639; PMCID: PMC3585124.
      27. Forer A, Ferraro-Gideon J, Berns M. Distance segregation of sex chromosomes in crane-fly spermatocytes studied using laser microbeam irradiations. Protoplasma. 2013 Oct; 250(5):1045-55. PMID: 23315093.
        View in: PubMed
      28. Duquette ML, Zhu Q, Taylor ER, Tsay AJ, Shi LZ, Berns M, McGowan CH. CtIP is required to initiate replication-dependent interstrand crosslink repair. PLoS Genet. 2012; 8(11):e1003050. PMID: 23144634; PMCID: PMC3493458.
      29. Lu CS, Truong LN, Aslanian A, Shi LZ, Li Y, Hwang PY, Koh KH, Hunter T, Yates JR, Berns M, Wu X. The RING finger protein RNF8 ubiquitinates Nbs1 to promote DNA double-strand break repair by homologous recombination. J Biol Chem. 2012 Dec 21; 287(52):43984-94. PMID: 23115235; PMCID: PMC3527981.
      30. Ludington WB, Shi LZ, Zhu Q, Berns M, Marshall WF. Organelle size equalization by a constitutive process. Curr Biol. 2012 Nov 20; 22(22):2173-9. PMID: 23084989; PMCID: PMC3505248.
      31. He J, Shi LZ, Truong LN, Lu CS, Razavian N, Li Y, Negrete A, Shiloach J, Berns M, Wu X. Rad50 zinc hook is important for the Mre11 complex to bind chromosomal DNA double-stranded breaks and initiate various DNA damage responses. J Biol Chem. 2012 Sep 14; 287(38):31747-56. PMID: 22833675; PMCID: PMC3442509.
      32. Wang H, Shao Z, Shi LZ, Hwang PY, Truong LN, Berns M, Chen DJ, Wu X. CtIP protein dimerization is critical for its recruitment to chromosomal DNA double-stranded breaks. J Biol Chem. 2012 Jun 15; 287(25):21471-80. PMID: 22544744; PMCID: PMC3375568.
      33. Harsono MS, Zhu Q, Shi LZ, Duquette M, Berns M. Development of a dual joystick-controlled laser trapping and cutting system for optical micromanipulation of chromosomes inside living cells. J Biophotonics. 2013 Feb; 6(2):197-204. PMID: 22517735.
        View in: PubMed
      34. Hyun N, Chandsawangbhuwana C, Zhu Q, Shi LZ, Yang-Wong C, Berns M. Effects of viscosity on sperm motility studied with optical tweezers. J Biomed Opt. 2012 Feb; 17(2):025005. PMID: 22463031.
        View in: PubMed
      35. Chandsawangbhuwana C, Shi LZ, Zhu Q, Alliegro MC, Berns M. High-throughput optofluidic system for the laser microsurgery of oocytes. J Biomed Opt. 2012 Jan; 17(1):015001. PMID: 22352645; PMCID: PMC3380719.
      36. Kong X, Stephens J, Ball AR, Heale JT, Newkirk DA, Berns M, Yokomori K. Condensin I recruitment to base damage-enriched DNA lesions is modulated by PARP1. PLoS One. 2011; 6(8):e23548. PMID: 21858164; PMCID: PMC3155556.
      37. Wu T, Mohanty S, Gomez-Godinez V, Shi LZ, Liaw LH, Miotke J, Meyer RL, Berns M. Neuronal growth cones respond to laser-induced axonal damage. J R Soc Interface. 2012 Mar 07; 9(68):535-47. PMID: 21831892; PMCID: PMC3262420.
      38. Veitinger T, Riffell JR, Veitinger S, Nascimento JM, Triller A, Chandsawangbhuwana C, Schwane K, Geerts A, Wunder F, Berns M, Neuhaus EM, Zimmer RK, Spehr M, Hatt H. Chemosensory Ca2+ dynamics correlate with diverse behavioral phenotypes in human sperm. J Biol Chem. 2011 May 13; 286(19):17311-25. PMID: 21454470; PMCID: PMC3089573.
      39. Shi LZ, Nascimento J, Botvinick E, Durrant B, Berns M. An interdisciplinary systems approach to study sperm physiology and evolution. Wiley Interdiscip Rev Syst Biol Med. 2011 Jan-Feb; 3(1):36-47. PMID: 21064038.
        View in: PubMed
      40. Wakida NM, Botvinick EL, Lin J, Berns M. An intact centrosome is required for the maintenance of polarization during directional cell migration. PLoS One. 2010 Dec 23; 5(12):e15462. PMID: 21203421; PMCID: PMC3009746.
      41. Gomez-Godinez V, Wu T, Sherman AJ, Lee CS, Liaw LH, Zhongsheng Y, Yokomori K, Berns M. Analysis of DNA double-strand break response and chromatin structure in mitosis using laser microirradiation. Nucleic Acids Res. 2010 Dec; 38(22):e202. PMID: 20923785; PMCID: PMC3001094.
      42. Baker NM, Zeitlin SG, Shi LZ, Shah J, Berns M. Chromosome tips damaged in anaphase inhibit cytokinesis. PLoS One. 2010 Aug 25; 5(8):e12398. PMID: 20811641; PMCID: PMC2928297.
      43. Ibsen S, Zahavy E, Wrasdilo W, Berns M, Chan M, Esener S. A novel Doxorubicin prodrug with controllable photolysis activation for cancer chemotherapy. Pharm Res. 2010 Sep; 27(9):1848-60. PMID: 20596761; PMCID: PMC2916115.
      44. De Magalhães N, Liaw LH, Berns M. An instruction on the in vivo shell-less chorioallantoic membrane 3-dimensional tumor spheroid model. Cytotechnology. 2010 Jul; 62(3):279-83. PMID: 20499169; PMCID: PMC2932906.
      45. De Magalhães N, Liaw LH, Berns M, Cristini V, Chen Z, Stupack D, Lowengrub J. Applications of a new In vivo tumor spheroid based shell-less chorioallantoic membrane 3-D model in bioengineering research. J Biomed Sci Eng. 2010 Jan 01; 3(1):20-26. PMID: 21243108.
        View in: PubMed
      46. You Z, Shi LZ, Zhu Q, Wu P, Zhang YW, Basilio A, Tonnu N, Verma IM, Berns M, Hunter T. CtIP links DNA double-strand break sensing to resection. Mol Cell. 2009 Dec 25; 36(6):954-69. PMID: 20064462; PMCID: PMC2807415.
      47. Stephens J, Mohanty SK, Genc S, Kong X, Yokomori K, Berns M. Spatially sculpted laser scissors for study of DNA damage and repair. J Biomed Opt. 2009 Sep-Oct; 14(5):054004. PMID: 19895106; PMCID: PMC2774973.
      48. Zeitlin SG, Baker NM, Chapados BR, Soutoglou E, Wang JY, Berns M, Cleveland DW. Double-strand DNA breaks recruit the centromeric histone CENP-A. Proc Natl Acad Sci U S A. 2009 Sep 15; 106(37):15762-7. PMID: 19717431; PMCID: PMC2747192.
      49. Yu L, Mohanty S, Zhang J, Genc S, Kim MK, Berns M, Chen Z. Digital holographic microscopy for quantitative cell dynamic evaluation during laser microsurgery. Opt Express. 2009 Jul 06; 17(14):12031-8. PMID: 19582118; PMCID: PMC2860952.
      50. Kreuter KA, Mahon SB, Mukai DS, Su J, Jung WG, Narula N, Guo S, Wakida N, Raub C, Berns M, George SC, Chen Z, Brenner M. Detection and monitoring of early airway injury effects of half-mustard (2-chloroethylethylsulfide) exposure using high-resolution optical coherence tomography. J Biomed Opt. 2009 Jul-Aug; 14(4):044037. PMID: 19725748; PMCID: PMC2792700.
      51. Kong X, Mohanty SK, Stephens J, Heale JT, Gomez-Godinez V, Shi LZ, Kim JS, Yokomori K, Berns M. Comparative analysis of different laser systems to study cellular responses to DNA damage in mammalian cells. Nucleic Acids Res. 2009 May; 37(9):e68. PMID: 19357094; PMCID: PMC2685111.
      52. Shi L, Shao B, Chen T, Berns M. Automatic annular laser trapping: a system for high-throughput sperm analysis and sorting. J Biophotonics. 2009 Mar; 2(3):167-77. PMID: 19343697.
        View in: PubMed
      53. Nascimento JM, Shi LZ, Tam J, Chandsawangbhuwana C, Durrant B, Botvinick EL, Berns M. Comparison of glycolysis and oxidative phosphorylation as energy sources for mammalian sperm motility, using the combination of fluorescence imaging, laser tweezers, and real-time automated tracking and trapping. J Cell Physiol. 2008 Dec; 217(3):745-51. PMID: 18683212; PMCID: PMC3501448.
      54. Mohanty SK, Mohanty KS, Berns M. Organization of microscale objects using a microfabricated optical fiber. Opt Lett. 2008 Sep 15; 33(18):2155-7. PMID: 18794962; PMCID: PMC4034740.
      55. Yu L, Mohanty S, Liu G, Genc S, Chen Z, Berns M. Quantitative phase evaluation of dynamic changes on cell membrane during laser microsurgery. J Biomed Opt. 2008 Sep-Oct; 13(5):050508. PMID: 19021378; PMCID: PMC3380242.
      56. Mohanty SK, Mohanty KS, Berns M. Manipulation of mammalian cells using a single-fiber optical microbeam. J Biomed Opt. 2008 Sep-Oct; 13(5):054049. PMID: 19021429; PMCID: PMC4034744.
      57. Shi LZ, Nascimento JM, Chandsawangbhuwana C, Botvinick EL, Berns M. An automatic system to study sperm motility and energetics. Biomed Microdevices. 2008 Aug; 10(4):573-83. PMID: 18299996; PMCID: PMC3970929.
      58. Mohanty SK, Reinscheid RK, Liu X, Okamura N, Krasieva TB, Berns M. In-depth activation of channelrhodopsin 2-sensitized excitable cells with high spatial resolution using two-photon excitation with a near-infrared laser microbeam. Biophys J. 2008 Oct; 95(8):3916-26. PMID: 18621808; PMCID: PMC2553121.
      59. Nascimento JM, Shi LZ, Meyers S, Gagneux P, Loskutoff NM, Botvinick EL, Berns M. The use of optical tweezers to study sperm competition and motility in primates. J R Soc Interface. 2008 Mar 06; 5(20):297-302. PMID: 17650470; PMCID: PMC2607399.
      60. Nascimento JM, Shi LZ, Chandsawangbhuwana C, Tam J, Durrant B, Botvinick EL, Berns M. Use of laser tweezers to analyze sperm motility and mitochondrial membrane potential. J Biomed Opt. 2008 Jan-Feb; 13(1):014002. PMID: 18315360; PMCID: PMC3970952.
      61. Shao B, Shi LZ, Nascimento JM, Botvinick EL, Ozkan M, Berns M, Esener SC. High-throughput sorting and analysis of human sperm with a ring-shaped laser trap. Biomed Microdevices. 2007 Jun; 9(3):361-9. PMID: 17226100.
        View in: PubMed
      62. Xu J, Van Keymeulen A, Wakida NM, Carlton P, Berns M, Bourne HR. Polarity reveals intrinsic cell chirality. Proc Natl Acad Sci U S A. 2007 May 29; 104(22):9296-300. PMID: 17517645; PMCID: PMC1890488.
      63. Wakida NM, Lee CS, Botvinick ET, Shi LZ, Dvornikov A, Berns M. Laser nanosurgery of single microtubules reveals location-dependent depolymerization rates. J Biomed Opt. 2007 Mar-Apr; 12(2):024022. PMID: 17477737.
        View in: PubMed
      64. Gomez-Godinez V, Wakida NM, Dvornikov AS, Yokomori K, Berns M. Recruitment of DNA damage recognition and repair pathway proteins following near-IR femtosecond laser irradiation of cells. J Biomed Opt. 2007 Mar-Apr; 12(2):020505. PMID: 17477704.
        View in: PubMed
      65. Berns M. A history of laser scissors (microbeams). Methods Cell Biol. 2007; 82:1-58. PMID: 17586253.
        View in: PubMed
      66. Berns M. Optical tweezers: tethers, wavelengths, and heat. Methods Cell Biol. 2007; 82:457-66. PMID: 17586268.
        View in: PubMed
      67. Greulich KO, Khodjakov A, Vogt A, Berns M. Sergej Stepanovich Tschachotin: experimental cytologist and political critic (1883-1973). Methods Cell Biol. 2007; 82:723-34. PMID: 17586279.
        View in: PubMed
      68. Shao B, Esener SC, Nascimento JM, Berns M, Botvinick EL, Ozkan M. Size tunable three-dimensional annular laser trap based on axicons. Opt Lett. 2006 Nov 15; 31(22):3375-7. PMID: 17072428.
        View in: PubMed
      69. Shi LZ, Nascimento J, Chandsawangbhuwana C, Berns M, Botvinick EL. Real-time automated tracking and trapping system for sperm. Microsc Res Tech. 2006 Nov; 69(11):894-902. PMID: 16892192.
        View in: PubMed
      70. Shao B, Esener SC, Nascimento JM, Botvinick EL, Berns M. Dynamically adjustable annular laser trapping based on axicons. Appl Opt. 2006 Sep 01; 45(25):6421-8. PMID: 16912778.
        View in: PubMed
      71. Shi LZ, Nascimento JM, Berns M, Botvinick EL. Computer-based tracking of single sperm. J Biomed Opt. 2006 Sep-Oct; 11(5):054009. PMID: 17092158.
        View in: PubMed
      72. Nascimento JM, Nascimento JL, Botvinick EL, Shi LZ, Durrant B, Berns M. Analysis of sperm motility using optical tweezers. J Biomed Opt. 2006 Jul-Aug; 11(4):044001. PMID: 16965158.
        View in: PubMed
      73. Wang Z, Shah JV, Berns M, Cleveland DW. In vivo quantitative studies of dynamic intracellular processes using fluorescence correlation spectroscopy. Biophys J. 2006 Jul 01; 91(1):343-51. PMID: 16603490; PMCID: PMC1479085.
      74. Botvinick EL, Berns M. Internet-based robotic laser scissors and tweezers microscopy. Microsc Res Tech. 2005 Oct; 68(2):65-74. PMID: 16228982.
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      75. Wang Y, Botvinick EL, Zhao Y, Berns M, Usami S, Tsien RY, Chien S. Visualizing the mechanical activation of Src. Nature. 2005 Apr 21; 434(7036):1040-5. PMID: 15846350.
        View in: PubMed
      76. Botvinick EL, Venugopalan V, Shah JV, Liaw LH, Berns M. Controlled ablation of microtubules using a picosecond laser. Biophys J. 2004 Dec; 87(6):4203-12. PMID: 15454403; PMCID: PMC1304929.
      77. Berns M, Krasieva T, Sun CH, Dvornikov A, Rentzepis PM. A polarity dependent fluorescence "switch" in live cells. J Photochem Photobiol B. 2004 Jul 19; 75(1-2):51-6. PMID: 15246350.
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      78. Shah JV, Botvinick E, Bonday Z, Furnari F, Berns M, Cleveland DW. Dynamics of centromere and kinetochore proteins; implications for checkpoint signaling and silencing. Curr Biol. 2004 Jun 08; 14(11):942-52. PMID: 15182667.
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      79. Wang Z, Shah JV, Chen Z, Sun CH, Berns M. Fluorescence correlation spectroscopy investigation of a GFP mutant-enhanced cyan fluorescent protein and its tubulin fusion in living cells with two-photon excitation. J Biomed Opt. 2004 Mar-Apr; 9(2):395-403. PMID: 15065907.
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      80. Chan JK, Monk BJ, Cuccia D, Pham H, Kimel S, Gu M, Hammer-Wilson MJ, Liaw LH, Osann K, DiSaia PJ, Berns M, Tromberg B, Tadir Y. Laparoscopic photodynamic diagnosis of ovarian cancer using 5-aminolevulinic acid in a rat model. Gynecol Oncol. 2002 Oct; 87(1):64-70. PMID: 12468344.
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      81. Hammer-Wilson MJ, Cao D, Kimel S, Berns M. Photodynamic parameters in the chick chorioallantoic membrane (CAM) bioassay for photosensitizers administered intraperitoneally (IP) into the chick embryo. Photochem Photobiol Sci. 2002 Sep; 1(9):721-8. PMID: 12665312.
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      82. Keefe KA, Tadir Y, Tromberg B, Berns M, Osann K, Hashad R, Monk BJ. Photodynamic therapy of high-grade cervical intraepithelial neoplasia with 5-aminolevulinic acid. Lasers Surg Med. 2002; 31(4):289-93. PMID: 12355576.
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      83. Chuck RS, Behrens A, Wellik S, Liaw LL, Dolorico AM, Sweet P, Chao LC, Osann KE, McDonnell PJ, Berns M. Re-epithelialization in cornea organ culture after chemical burns and excimer laser treatment. Arch Ophthalmol. 2001 Nov; 119(11):1637-42. PMID: 11709014.
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      84. Pham TH, Hornung R, Berns M, Tadir Y, Tromberg BJ. Monitoring tumor response during photodynamic therapy using near-infrared photon-migration spectroscopy. Photochem Photobiol. 2001 Jun; 73(6):669-77. PMID: 11421074.
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      85. Keefe KA, Chahine EB, DiSaia PJ, Krasieva TB, Lin F, Berns M, Tadir Y. Fluorescence detection of cervical intraepithelial neoplasia for photodynamic therapy with the topical agents 5-aminolevulinic acid and benzoporphyrin-derivative monoacid ring. Am J Obstet Gynecol. 2001 May; 184(6):1164-9. PMID: 11349183.
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      86. Wong CG, Rich KA, Liaw LH, Hsu HT, Berns M. Intravitreal VEGF and bFGF produce florid retinal neovascularization and hemorrhage in the rabbit. Curr Eye Res. 2001 Feb; 22(2):140-7. PMID: 11402391.
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      87. Chuck RS, Behrens A, Wellik SR, Liaw LH, Sweet PM, Osann KE, McDonnell PJ, Berns M. Simple organ cornea culture model for re-epithelialization after in vitro excimer laser ablation. Lasers Surg Med. 2001; 29(3):288-92. PMID: 11573233.
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      88. Hornung R, Fehr MK, Walt H, Wyss P, Berns M, Tadir Y. PEG-m-THPC-mediated photodynamic effects on normal rat tissues. Photochem Photobiol. 2000 Nov; 72(5):696-700. PMID: 11107857.
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      89. Patrizio P, Liu Y, Sonek GJ, Berns M, Tadir Y. Effect of pentoxifylline on the intrinsic swimming forces of human sperm assessed by optical tweezers. J Androl. 2000 Sep-Oct; 21(5):753-6. PMID: 10975423.
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      90. Berns M, Wang Z, Dunn A, Wallace V, Venugopalan V. Gene inactivation by multiphoton-targeted photochemistry. Proc Natl Acad Sci U S A. 2000 Aug 15; 97(17):9504-7. PMID: 10944219; PMCID: PMC16894.
      91. Dunn AK, Wallace VP, Coleno M, Berns M, Tromberg BJ. Influence of optical properties on two-photon fluorescence imaging in turbid samples. Appl Opt. 2000 Mar 01; 39(7):1194-201. PMID: 18338003.
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      92. Liang H, Do T, Kasravi S, Aurasteh P, Nguyen A, Huang A, Wang Z, Berns M. Chromosomes are target sites for photodynamic therapy as demonstrated by subcellular laser microirradiation. J Photochem Photobiol B. 2000 Feb; 54(2-3):175-84. PMID: 10836549.
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      93. Hammer-Wilson MJ, Akian L, Espinoza J, Kimel S, Berns M. Photodynamic parameters in the chick chorioallantoic membrane (CAM) bioassay for topically applied photosensitizers. J Photochem Photobiol B. 1999 Nov-Dec; 53(1-3):44-52. PMID: 10672528.
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      94. Hornung R, Pham TH, Keefe KA, Berns M, Tadir Y, Tromberg BJ. Quantitative near-infrared spectroscopy of cervical dysplasia in vivo. Hum Reprod. 1999 Nov; 14(11):2908-16. PMID: 10548647.
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      95. Hornung R, Fehr MK, Monti-Frayne J, Tromberg BJ, Berns M, Tadir Y. Minimally-invasive debulking of ovarian cancer in the rat pelvis by means of photodynamic therapy using the pegylated photosensitizer PEG-m-THPC. Br J Cancer. 1999 Oct; 81(4):631-7. PMID: 10574248; PMCID: PMC2362885.
      96. Hornung R, Fehr MK, Monti-Frayne J, Krasieva TB, Tromberg BJ, Berns M, Tadir Y. Highly selective targeting of ovarian cancer with the photosensitizer PEG-m-THPC in a rat model. Photochem Photobiol. 1999 Oct; 70(4):624-9. PMID: 10546556.
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      97. Weiss RA, Liaw LH, Berns M, Amoils SP. Scanning electron microscopy comparison of corneal epithelial removal techniques before photorefractive keratectomy. J Cataract Refract Surg. 1999 Aug; 25(8):1093-6. PMID: 10445195.
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      98. Berns M, Chao L, Giebel AW, Liaw LH, Andrews J, VerSteeg B. Human corneal ablation threshold using the 193-nm ArF excimer laser. Invest Ophthalmol Vis Sci. 1999 Apr; 40(5):826-30. PMID: 10102278.
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      99. Zhang ZX, Sonek GJ, Wei XB, Sun C, Berns M, Tromberg BJ. Cell Viability and DNA Denaturation Measurements by Two-Photon Fluorescence Excitation in CW Al:GaAs Diode Laser Optical Traps. J Biomed Opt. 1999 Apr; 4(2):256-9. PMID: 23015212.
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      100. Svaasand LO, Spott T, Fishkin JB, Pham T, Tromberg BJ, Berns M. Reflectance measurements of layered media with diffuse photon-density waves: a potential tool for evaluating deep burns and subcutaneous lesions. Phys Med Biol. 1999 Mar; 44(3):801-13. PMID: 10211811.
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      101. Hornung R, Hammer-Wilson MJ, Kimel S, Liaw LH, Tadir Y, Berns M. Systemic application of photosensitizers in the chick chorioallantoic membrane (CAM) model: photodynamic response of CAM vessels and 5-aminolevulinic acid uptake kinetics by transplantable tumors. J Photochem Photobiol B. 1999 Mar; 49(1):41-9. PMID: 10365445.
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      102. Chang CJ, Sun CH, Liaw LH, Berns M, Nelson JS. In vitro and in vivo photosensitizing capabilities of 5-ALA versus photofrin in vascular endothelial cells. Lasers Surg Med. 1999; 24(3):178-86. PMID: 10229148.
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      103. Hammer-Wilson MJ, Ghahramanlou M, Berns M. Photodynamic activity of lutetium-texaphyrin in a mouse tumor system. Lasers Surg Med. 1999; 24(4):276-84. PMID: 10327046.
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      104. Sims CE, Meredith GD, Krasieva TB, Berns M, Tromberg BJ, Allbritton NL. Laser-micropipet combination for single-cell analysis. Anal Chem. 1998 Nov 01; 70(21):4570-7. PMID: 9823716.
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      105. Hornung R, Fehr MK, Tromberg BJ, Major A, Krasieva TB, Berns M, Tadir Y. Uptake of the photosensitizer benzoporphyrin derivative in human endometrium after topical application in vivo. J Am Assoc Gynecol Laparosc. 1998 Nov; 5(4):367-74. PMID: 9782140.
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      106. Brenner M, Kafie FE, Huh J, Yoong B, Budd M, Chen JC, Waite TA, Mukai D, Wang NS, McKenna R, Fischel R, Gelb A, Wilson AF, Berns M. Effect of lung volume reduction surgery in a rabbit model of bullous lung disease. J Invest Surg. 1998 Jul-Aug; 11(4):281-8. PMID: 9788670.
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      107. Hornung R, Major AL, McHale M, Liaw LH, Sabiniano LA, Tromberg BJ, Berns M, Tadir Y. In vivo detection of metastatic ovarian cancer by means of 5-aminolevulinic acid-induced fluorescence in a rat model. J Am Assoc Gynecol Laparosc. 1998 May; 5(2):141-8. PMID: 9564061.
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      108. Zhang Z, Sonek GJ, Liang H, Berns M, Tromberg BJ. Multiphoton fluorescence excitation in continuous-wave infrared optical traps. Appl Opt. 1998 May 01; 37(13):2766-73. PMID: 18273222.
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      109. Berns M. Laser scissors and tweezers. Sci Am. 1998 Apr; 278(4):62-7. PMID: 9532771.
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      110. Chen JC, Brenner M, Kafie FE, Yoong B, Budd M, Gassel A, Waite TA, Millikan J, Huh J, Wang NS, McKenna R, Gelb A, Wilson AF, Berns M. An animal model for lung volume reduction therapy of pulmonary emphysema. J Invest Surg. 1998 Mar-Apr; 11(2):129-37. PMID: 9700621.
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      111. Liang H, Shin DS, Lee YE, Nguyen DC, Trang TC, Pan AH, Huang SL, Chong DH, Berns M. Subcellular phototoxicity of 5-aminolaevulinic acid (ALA). Lasers Surg Med. 1998; 22(1):14-24. PMID: 9443145.
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      112. Berns M, Tadir Y, Liang H, Tromberg B. Laser scissors and tweezers. Methods Cell Biol. 1998; 55:71-98. PMID: 9352512.
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      113. Hammer-Wilson MJ, Sun CH, Ghahramanlou M, Berns M. In vitro and in vivo comparison of argon-pumped and diode lasers for photodynamic therapy using second-generation photosensitizers. Lasers Surg Med. 1998; 23(5):274-80. PMID: 9888323.
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      114. Wong BJ, Lee J, Hashisaki GT, Berns M, Neev J. Thermal imaging of the temporal bone in CO2 laser surgery: an experimental model. Otolaryngol Head Neck Surg. 1997 Dec; 117(6):610-5. PMID: 9419087.
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      115. Hill RA, Crean DH, Doiron DR, Ghosheh F, Ryan JA, Kelly H, Booth M, Liaw LH, Newman L, Berns M. Photodynamic therapy of the ciliary body with tin ethyl etiopurpurin and tin octaethyl benzochlorin in pigmented rabbits. Ophthalmic Surg Lasers. 1997 Nov; 28(11):948-53. PMID: 9387183.
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      116. Major AL, Rose GS, Chapman CF, Hiserodt JC, Tromberg BJ, Krasieva TB, Tadir Y, Haller U, DiSaia PJ, Berns M. In vivo fluorescence detection of ovarian cancer in the NuTu-19 epithelial ovarian cancer animal model using 5-aminolevulinic acid (ALA). Gynecol Oncol. 1997 Jul; 66(1):122-32. PMID: 9234932.
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      117. Hill RA, Crean DH, Doiron DR, McDonald TJ, Liaw LH, Ghosheh F, Hamilton A, Berns M. Photodynamic therapy for antifibrosis in a rabbit model of filtration surgery. Ophthalmic Surg Lasers. 1997 Jul; 28(7):574-81. PMID: 9243661.
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      118. Brenner M, McKenna R, Gelb A, Osann K, Schein MJ, Panzera J, Wong H, Berns M, Wilson AF. Objective predictors of response for staple versus laser emphysematous lung reduction. Am J Respir Crit Care Med. 1997 Apr; 155(4):1295-301. PMID: 9105070.
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      119. Wilder-Smith P, Lin S, Nguyen A, Liaw LH, Arrastia AM, Lee JP, Berns M. Morphological effects of ArF excimer laser irradiation on enamel and dentin. Lasers Surg Med. 1997; 20(2):142-8. PMID: 9047167.
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      120. Kimura Y, Wilder-Smith P, Arrastia-Jitosho AM, Liaw LH, Matsumoto K, Berns M. Effects of nanosecond pulsed Nd: YAG laser irradiation on dentin resistance to artificial caries-like lesions. Lasers Surg Med. 1997; 20(1):15-21. PMID: 9041503.
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      121. König K, Berns M, Tromberg BJ. Time-resolved and steady-state fluorescence measurements of beta-nicotinamide adenine dinucleotide-alcohol dehydrogenase complex during UVA exposure. J Photochem Photobiol B. 1997 Jan; 37(1-2):91-5. PMID: 9043097.
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      122. Oh DH, Stanley RJ, Lin M, Hoeffler WK, Boxer SG, Berns M, Bauer EA. Two-photon excitation of 4'-hydroxymethyl-4,5',8-trimethylpsoralen. Photochem Photobiol. 1997 Jan; 65(1):91-5. PMID: 9066288.
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      123. Liang H, Vu KT, Trang TC, Shin D, Lee YE, Nguyen DC, Tromberg B, Berns M. Giant cell formation in cells exposed to 740 nm and 760 nm optical traps. Lasers Surg Med. 1997; 21(2):159-65. PMID: 9261793.
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      124. Brenner M, Milner TE, Wang NS, Chen JC, McKenna R, Norvang LT, Waite TA, Hamilton A, Wong H, Wilson AF, Tadir Y, Berns M. Doppler grid surface scanning applications for pulmonary subsurface parenchymal perfusion assessment. J Clin Laser Med Surg. 1996 Dec; 14(6):367-74. PMID: 9467327.
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      125. Wong BJ, Dickinson MR, Berns M, Neev J. Identification of photoacoustic transients during pulsed laser ablation of the human temporal bone: an experimental model. J Clin Laser Med Surg. 1996 Dec; 14(6):385-92. PMID: 9467330.
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      126. Liu Y, Sonek GJ, Berns M, Tromberg BJ. Physiological monitoring of optically trapped cells: assessing the effects of confinement by 1064-nm laser tweezers using microfluorometry. Biophys J. 1996 Oct; 71(4):2158-67. PMID: 8889192; PMCID: PMC1233684.
      127. König K, Tadir Y, Patrizio P, Berns M, Tromberg BJ. Effects of ultraviolet exposure and near infrared laser tweezers on human spermatozoa. Hum Reprod. 1996 Oct; 11(10):2162-4. PMID: 8943522.
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      128. Wyss P, Steiner R, Liaw LH, Wyss MT, Ghazarians A, Berns M, Tromberg BJ, Tadir Y. Regeneration processes in rabbit endometrium: a photodynamic therapy model. Hum Reprod. 1996 Sep; 11(9):1992-7. PMID: 8921078.
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      129. Wyss-Desserich MT, Sun CH, Wyss P, Kurlawalla CS, Haller U, Berns M, Tadir Y. Accumulation of 5-aminolevulinic acid-induced protoporphyrin IX in normal and neoplastic human endometrial epithelial cells. Biochem Biophys Res Commun. 1996 Jul 25; 224(3):819-24. PMID: 8713129.
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      130. König K, Liang H, Berns M, Tromberg BJ. Cell damage in near-infrared multimode optical traps as a result of multiphoton absorption. Opt Lett. 1996 Jul 15; 21(14):1090-2. PMID: 19876262.
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      131. Fehr MK, Tromberg BJ, Svaasand LO, Ngo P, Berns M, Tadir Y. Structural and functional effects of endometrial photodynamic therapy in a rat model. Am J Obstet Gynecol. 1996 Jul; 175(1):115-21. PMID: 8694036.
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      132. König K, Svaasand L, Liu Y, Sonek G, Patrizio P, Tadir Y, Berns M, Tromberg BJ. Determination of motility forces of human spermatozoa using an 800 nm optical trap. Cell Mol Biol (Noisy-le-grand). 1996 Jun; 42(4):501-9. PMID: 8828905.
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      133. Koenig K, Krasieva TB, Bauer E, Fiedler U, Berns M, Tromberg BJ, Greulich KO. Cell damage by UVA radiation of a mercury microscopy lamp probed by autofluorescence modifications, cloning assay, and comet assay. J Biomed Opt. 1996 Apr; 1(2):217-22. PMID: 23014688.
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      134. Liang H, Vu KT, Krishnan P, Trang TC, Shin D, Kimel S, Berns M. Wavelength dependence of cell cloning efficiency after optical trapping. Biophys J. 1996 Mar; 70(3):1529-33. PMID: 8785310; PMCID: PMC1225080.
      135. Brenner M, Shankel T, Wang NS, Waite TA, Wong H, Hamilton A, Tadir Y, Milner T, Boyajian J, Chung E, Tromberg B, Wilson AF, Berns M. CO2 and Nd:YAG laser-induced pulmonary parenchymal lung injury in a rabbit model. Am J Respir Crit Care Med. 1996 Mar; 153(3):1136-40. PMID: 8630557.
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      136. Fehr MK, Chapman CF, Krasieva T, Tromberg BJ, McCullough JL, Berns M, Tadir Y. Selective photosensitizer distribution in vulvar condyloma acuminatum after topical application of 5-aminolevulinic acid. Am J Obstet Gynecol. 1996 Mar; 174(3):951-7. PMID: 8633675.
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      137. Svaasand LO, Wyss P, Wyss MT, Tadir Y, Tromberg BJ, Berns M. Dosimetry model for photodynamic therapy with topically administered photosensitizers. Lasers Surg Med. 1996; 18(2):139-49. PMID: 8833282.
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      138. König K, Kimel S, Berns M. Photodynamic effects on human and chicken erythrocytes studied with microirradiation and confocal laser scanning microscopy. Lasers Surg Med. 1996; 19(3):284-98. PMID: 8923424.
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      139. Hill RA, Garrett J, Reddi S, Esterowitz T, Liaw LH, Ryan J, Shirk J, Kenney M, Shimuzu S, Berns M. Photodynamic therapy (PDT) of the ciliary body with silicon naphthalocyanine (SINc) in rabbits. Lasers Surg Med. 1996; 18(1):86-91. PMID: 8850470.
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      140. Brenner M, Shankel T, Waite TA, Hamilton A, Bendsza D, Wang NS, Milner T, Roeck W, Tadir Y, Tromberg B, Wilson AF, Berns M. Animal model for thoracoscopic laser ablation of emphysematous pulmonary bullae. Lasers Surg Med. 1996; 18(2):191-6. PMID: 8833289.
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      141. Steiner RA, Tadir Y, Tromberg BJ, Krasieva T, Ghazains AT, Wyss P, Berns M. Photosensitization of the rat endometrium following 5-aminolevulinic acid induced photodynamic therapy. Lasers Surg Med. 1996; 18(3):301-8. PMID: 8778526.
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      142. Wilder-Smith P, Arrastia AM, Schell MJ, Liaw LH, Grill G, Berns M. Effect of ND:YAG laser irradiation and root planing on the root surface: structural and thermal effects. J Periodontol. 1995 Dec; 66(12):1032-9. PMID: 8683415.
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      143. Hill RA, Reddi S, Kenney ME, Ryan J, Liaw LH, Garrett J, Shirk J, Cheng G, Krasieva T, Berns M. Photodynamic therapy of ocular melanoma with bis silicon 2,3-naphthalocyanine in a rabbit model. Invest Ophthalmol Vis Sci. 1995 Nov; 36(12):2476-81. PMID: 7591637.
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      144. Fehr MK, Madsen SJ, Svaasand LO, Tromberg BJ, Eusebio J, Berns M, Tadir Y. Intrauterine light delivery for photodynamic therapy of the human endometrium. Hum Reprod. 1995 Nov; 10(11):3067-72. PMID: 8747076.
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      145. König K, Liu Y, Sonek GJ, Berns M, Tromberg BJ. Autofluorescence spectroscopy of optically trapped cells. Photochem Photobiol. 1995 Nov; 62(5):830-5. PMID: 8570720.
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      146. Liu Y, Sonek GJ, Berns M, Konig K, Tromberg BJ. Two-photon fluorescence excitation in continuous-wave infrared optical tweezers. Opt Lett. 1995 Nov 01; 20(21):2246. PMID: 19862312.
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      147. König K, Liang H, Berns M, Tromberg BJ. Cell damage by near-IR microbeams. Nature. 1995 Sep 07; 377(6544):20-1. PMID: 7659153.
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      148. Wilder-Smith P, Arrastia AM, Liaw LH, Berns M. Incision properties and thermal effects of three CO2 lasers in soft tissue. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 1995 Jun; 79(6):685-91. PMID: 7621023.
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      149. Liu Y, Cheng DK, Sonek GJ, Berns M, Chapman CF, Tromberg BJ. Evidence for localized cell heating induced by infrared optical tweezers. Biophys J. 1995 May; 68(5):2137-44. PMID: 7612858; PMCID: PMC1282119.
      150. Neev J, Schiewe MC, Sung VW, Kang D, Hezeleger N, Berns M, Tadir Y. Assisted hatching in mouse embryos using a noncontact Ho:YSGG laser system. J Assist Reprod Genet. 1995 Apr; 12(4):288-93. PMID: 7580028.
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      151. Peavy GM, Krasieva TB, Tromberg BJ, Eusantos ED, Berns M. Variation in the distribution of a phthalocyanine photosensitizer in naturally occurring tumors of animals. J Photochem Photobiol B. 1995 Mar; 27(3):271-5. PMID: 7769537.
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      152. Machida T, Wilder-Smith P, Arrastia AM, Liaw LH, Berns M. Root canal preparation using the second harmonic KTP:YAG laser: a thermographic and scanning electron microscopic study. J Endod. 1995 Feb; 21(2):88-91. PMID: 7714444.
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      153. Steiner RA, Tromberg BJ, Wyss P, Krasieva T, Chandanani N, McCullough J, Berns M, Tadir Y. Rat reproductive performance following photodynamic therapy with topically administered Photofrin. Hum Reprod. 1995 Jan; 10(1):227-33. PMID: 7745060.
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      154. Dantas ZN, Araujo E, Tadir Y, Berns M, Schell MJ, Stone SC. Effect of freezing on the relative escape force of sperm as measured by a laser optical trap. Fertil Steril. 1995 Jan; 63(1):185-8. PMID: 7805910.
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      155. Arrastia AM, Wilder-Smith P, Berns M. Thermal effects of CO2 laser on the pulpal chamber and enamel of human primary teeth: an in vitro investigation. Lasers Surg Med. 1995; 16(4):343-50. PMID: 7651055.
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      156. Hill RA, Esterowitz T, Ryan J, Liaw LH, Nelson JS, Yashiro H, Krasieva T, Berns M. Photodynamic laser cyclodestruction with chloroaluminum sulfonated phthalocyanine (CASPc) or Photofrin (PII) vs. Nd:YAG laser cyclodestruction in a pigmented rabbit model. Lasers Surg Med. 1995; 17(2):166-71. PMID: 8569412.
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      157. Wyss P, Svaasand LO, Tadir Y, Haller U, Berns M, Wyss MT, Tromberg BJ. Photomedicine of the endometrium: experimental concepts. Hum Reprod. 1995 Jan; 10(1):221-6. PMID: 7745059.
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      158. Kimel S, Svaasand LO, Hammer-Wilson M, Schell MJ, Milner TE, Nelson JS, Berns M. Differential vascular response to laser photothermolysis. J Invest Dermatol. 1994 Nov; 103(5):693-700. PMID: 7963659.
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      159. Wyss P, Tromberg BJ, Wyss MT, Krasieva T, Schell M, Berns M, Tadir Y. Photodynamic destruction of endometrial tissue with topical 5-aminolevulinic acid in rats and rabbits. Am J Obstet Gynecol. 1994 Nov; 171(5):1176-83. PMID: 7977515.
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      160. Araujo E, Tadir Y, Patrizio P, Ord T, Silber S, Berns M, Asch RH. Relative force of human epididymal sperm. Fertil Steril. 1994 Sep; 62(3):585-90. PMID: 8062955.
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      161. Wyss P, Tadir Y, Tromberg BJ, Liaw L, Krasieva T, Berns M. Benzoporphyrin derivative: a potent photosensitizer for photodynamic destruction of rabbit endometrium. Obstet Gynecol. 1994 Sep; 84(3):409-14. PMID: 7520145.
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      162. Liang H, Wright WH, Rieder CL, Salmon ED, Profeta G, Andrews J, Liu Y, Sonek GJ, Berns M. Directed movement of chromosome arms and fragments in mitotic newt lung cells using optical scissors and optical tweezers. Exp Cell Res. 1994 Jul; 213(1):308-12. PMID: 8020604.
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      163. Wright WH, Sonek GJ, Berns M. Parametric study of the forces on microspheres held by optical tweezers. Appl Opt. 1994 Mar 20; 33(9):1735-48. PMID: 20885501.
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      164. Tadir Y, Neev J, Berns M. Laser microbeams for gamete manipulation. Baillieres Clin Obstet Gynaecol. 1994 Mar; 8(1):117-25. PMID: 8055668.
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      165. Brenner M, Kayaleh RA, Milne EN, Della Bella L, Osann K, Tadir Y, Berns M, Wilson AF. Thoracoscopic laser ablation of pulmonary bullae. Radiographic selection and treatment response. J Thorac Cardiovasc Surg. 1994 Mar; 107(3):883-90. PMID: 8127118.
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      166. Westphal LM, el Dansasouri I, Shimizu S, Tadir Y, Berns M. Exposure of human spermatozoa to the cumulus oophorus results in increased relative force as measured by a 760 nm laser optical trap. Hum Reprod. 1993 Jul; 8(7):1083-6. PMID: 8408492.
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      167. Neev J, Gonzalez A, Licciardi F, Alikani M, Tadir Y, Berns M, Cohen J. Opening of the mouse zona pellucida by laser without a micromanipulator. Hum Reprod. 1993 Jun; 8(6):939-44. PMID: 8345089.
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      168. Aist JR, Liang H, Berns M. Astral and spindle forces in PtK2 cells during anaphase B: a laser microbeam study. J Cell Sci. 1993 Apr; 104 ( Pt 4):1207-16. PMID: 8314902.
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      169. el-Danasouri I, Westphal LM, Neev Y, Gebhardt J, Louie D, Berns M. Zona opening with 308 nm XeCl excimer laser improves fertilization by spermatozoa from long-term vasectomized mice. Hum Reprod. 1993 Mar; 8(3):464-6. PMID: 8473468.
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      170. Chapman JA, Tadir Y, Tromberg BJ, Yu K, Manetta A, Sun CH, Berns M. Effect of administration route and estrogen manipulation on endometrial uptake of Photofrin porfimer sodium. Am J Obstet Gynecol. 1993 Feb; 168(2):685-92. PMID: 8438950.
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      171. Vorobjev IA, Liang H, Wright WH, Berns M. Optical trapping for chromosome manipulation: a wavelength dependence of induced chromosome bridges. Biophys J. 1993 Feb; 64(2):533-8. PMID: 8457677; PMCID: PMC1262356.
      172. Tadir Y, Neev J, Ho P, Berns M. Lasers for gamete micromanipulation: basic concepts. J Assist Reprod Genet. 1993 Feb; 10(2):121-5. PMID: 8339014.
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      173. Hill RA, Le MT, Yashiro H, Constan C, Treadway A, Stern D, Lesiecki ML, Brown L, Berns M. Ab-interno erbium (Er):YAG laser sclerostomy with iridotomy in Dutch cross rabbits. Lasers Surg Med. 1993; 13(5):559-64. PMID: 8264328.
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      174. Neev J, Stabholtz A, Liaw LH, Torabinejad M, Fujishige JT, Ho PD, Berns M. Scanning electron microscopy and thermal characteristics of dentin ablated by a short-pulse XeCl excimer laser. Lasers Surg Med. 1993; 13(3):353-62. PMID: 8515674.
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      175. Hill RA, Stern D, Lesiecki ML, Hsia J, Berns M. Effects of pulse width on erbium:YAG laser photothermal trabecular ablation (LTA). Lasers Surg Med. 1993; 13(4):440-6. PMID: 8366744.
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      176. Liang H, Wright WH, Cheng S, He W, Berns M. Micromanipulation of chromosomes in PTK2 cells using laser microsurgery (optical scalpel) in combination with laser-induced optical force (optical tweezers). Exp Cell Res. 1993 Jan; 204(1):110-20. PMID: 8416789.
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      177. Tadir Y, Neev J, Asch RH, Berns M. Levitating human sperm--an Adman's dream. Fertil Steril. 1992 Dec; 58(6):1272-3; author reply 1273-4. PMID: 1459289.
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      178. Neer J, Tadir Y, Ho P, Berns M, Asch RH, Ord T. Microscope-delivered ultraviolet laser zona dissection: principles and practices. J Assist Reprod Genet. 1992 Dec; 9(6):513-23. PMID: 1299384.
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      179. Tadir Y, Neev J, Berns M. Laser in assisted reproduction and genetics. J Assist Reprod Genet. 1992 Aug; 9(4):303-5. PMID: 1472803.
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      180. Peavy GM, Rettenmaier MA, Berns M. Carbon dioxide laser ablation combined with doxorubicin hydrochloride treatment for vaginal fibrosarcoma in a dog. J Am Vet Med Assoc. 1992 Jul 01; 201(1):109-10. PMID: 1644628.
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      181. Huang TC, Blanks RH, Berns M, Crumley RL. Laser vs. suture nerve anastomosis. Otolaryngol Head Neck Surg. 1992 Jul; 107(1):14-20. PMID: 1528597.
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      182. Tadir Y, Neev J, Berns M. Laser micromanipulation of oocytes and sperm. Lancet. 1992 Jun 06; 339(8806):1424. PMID: 1350839.
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      183. Ozler SA, Liaw LH, Neev J, Raney D, Berns M. Acute ultrastructural changes of cornea after excimer laser ablation. Invest Ophthalmol Vis Sci. 1992 Mar; 33(3):540-6. PMID: 1544782.
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      184. Berns M, Aist JR, Wright WH, Liang H. Optical trapping in animal and fungal cells using a tunable, near-infrared titanium-sapphire laser. Exp Cell Res. 1992 Feb; 198(2):375-8. PMID: 1729142.
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      185. Kimel S, Svaasand LO, Hammer-Wilson M, Gottfried V, Cheng S, Svaasand E, Berns M. Demonstration of synergistic effects of hyperthermia and photodynamic therapy using the chick chorioallantoic membrane model. Lasers Surg Med. 1992; 12(4):432-40. PMID: 1379665.
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      186. Nelson JS, Kimel S, Brown L, Berns M. Glucose administration combined with photodynamic therapy of cancer improves therapeutic efficacy. Lasers Surg Med. 1992; 12(2):153-8. PMID: 1573965.
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      187. Liang H, Wright WH, He W, Berns M. Micromanipulation of mitotic chromosomes in PTK2 cells using laser-induced optical forces ("optical tweezers"). Exp Cell Res. 1991 Nov; 197(1):21-35. PMID: 1915660.
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      188. Aist JR, Bayles CJ, Tao W, Berns M. Direct experimental evidence for the existence, structural basis and function of astral forces during anaphase B in vivo. J Cell Sci. 1991 Oct; 100 ( Pt 2):279-88. PMID: 1757488.
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      189. Ozler SA, Hill RA, Andrews JJ, Baerveldt G, Berns M. Infrared laser sclerostomies. Invest Ophthalmol Vis Sci. 1991 Aug; 32(9):2498-503. PMID: 1869403.
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      190. Tadir Y, Wright WH, Vafa O, Liaw LH, Asch R, Berns M. Micromanipulation of gametes using laser microbeams. Hum Reprod. 1991 Aug; 6(7):1011-6. PMID: 1761652.
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      191. Steubing RW, Yeturu S, Tuccillo A, Sun CH, Berns M. Activation of macrophages by Photofrin II during photodynamic therapy. J Photochem Photobiol B. 1991 Jul; 10(1-2):133-45. PMID: 1659629.
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      192. Wakabayashi A, Brenner M, Kayaleh RA, Berns M, Barker SJ, Rice SJ, Tadir Y, Della Bella L, Wilson AF. Thoracoscopic carbon dioxide laser treatment of bullous emphysema. Lancet. 1991 Apr 13; 337(8746):881-3. PMID: 1672970.
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      193. Roberts WG, Klein MK, Loomis M, Weldy S, Berns M. Photodynamic therapy of spontaneous cancers in felines, canines, and snakes with chloro-aluminum sulfonated phthalocyanine. J Natl Cancer Inst. 1991 Jan 02; 83(1):18-23. PMID: 1824598.
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      194. Baribeau Y, Eugene J, Nhu TT, Firestein SL, Liaw Y, Yow L, Hammer-Wilson M, Berns M. Excimer laser radiation for endarterectomy of experimental atheromas. J Invest Surg. 1991; 4(3):247-58. PMID: 1911571.
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      195. Steubing RW, Cheng S, Wright WH, Numajiri Y, Berns M. Laser induced cell fusion in combination with optical tweezers: the laser cell fusion trap. Cytometry. 1991; 12(6):505-10. PMID: 1764975.
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      196. Berns M, Wright WH, Wiegand Steubing R. Laser microbeam as a tool in cell biology. Int Rev Cytol. 1991; 129:1-44. PMID: 1917379.
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      197. Neev J, Liaw LH, Raney DV, Fujishige JT, Ho PD, Berns M. Selectivity, efficiency, and surface characteristics of hard dental tissues ablated with ArF pulsed excimer lasers. Lasers Surg Med. 1991; 11(6):499-510. PMID: 1753845.
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      198. Wakabayashi A, Brenner M, Wilson AF, Tadir Y, Berns M. Thoracoscopic treatment of spontaneous pneumothorax using carbon dioxide laser. Ann Thorac Surg. 1990 Nov; 50(5):786-9; discussion 789-90. PMID: 2241344.
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      199. Tromberg BJ, Orenstein A, Kimel S, Barker SJ, Hyatt J, Nelson JS, Berns M. In vivo tumor oxygen tension measurements for the evaluation of the efficiency of photodynamic therapy. Photochem Photobiol. 1990 Aug; 52(2):375-85. PMID: 2145595.
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      200. Nelson JS, Liaw LH, Lahlum RA, Cooper PL, Berns M. Use of multiple photosensitizers and wavelengths during photodynamic therapy: a new approach to enhance tumor eradication. J Natl Cancer Inst. 1990 May 16; 82(10):868-73. PMID: 2139704.
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      201. Tadir Y, Wright WH, Vafa O, Ord T, Asch RH, Berns M. Force generated by human sperm correlated to velocity and determined using a laser generated optical trap. Fertil Steril. 1990 May; 53(5):944-7. PMID: 2332067.
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      202. Tromberg BJ, Kimel S, Orenstein A, Barker SJ, Hyatt J, Nelson JS, Roberts WG, Berns M. Tumor oxygen tension during photodynamic therapy. J Photochem Photobiol B. 1990 Apr 01; 5(1):121-6. PMID: 2140411.
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      203. Berns M, Bewley W, Sun CH, Templin P. Free electron laser irradiation at 200 microns affects DNA synthesis in living cells. Proc Natl Acad Sci U S A. 1990 Apr; 87(7):2810-2. PMID: 2320590; PMCID: PMC53780.
      204. Baribeau Y, Eugene J, Firestein SL, Hammer-Wilson M, Berns M. Comparison of contact and free beam laser endarterectomy. J Surg Res. 1990 Feb; 48(2):127-33. PMID: 2304340.
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      205. Orenstein A, Nelson JS, Liaw LH, Kaplan R, Kimel S, Berns M. Photochemotherapy of hypervascular dermal lesions: a possible alternative to photothermal therapy? Lasers Surg Med. 1990; 10(4):334-43. PMID: 2144032.
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      206. Schlenk E, Profeta G, Nelson JS, Andrews JJ, Berns M. Laser assisted fixation of ear prostheses after stapedectomy. Lasers Surg Med. 1990; 10(5):444-7. PMID: 2233098.
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      207. Nelson JS, Fairshter RD, Berns M. Long-term survival of a lung cancer patient treated with photodynamic therapy. Lasers Surg Med. 1990; 10(2):208-10. PMID: 2333008.
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      208. Tadir Y, Wright WH, Vafa O, Ord T, Asch RH, Berns M. Micromanipulation of sperm by a laser generated optical trap. Fertil Steril. 1989 Nov; 52(5):870-3. PMID: 2680630.
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      209. Kimel S, Tromberg BJ, Roberts WG, Berns M. Singlet oxygen generation of porphyrins, chlorins, and phthalocyanines. Photochem Photobiol. 1989 Aug; 50(2):175-83. PMID: 2528752.
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      210. Nelson JS, Orenstein A, Liaw LH, Zavar RB, Gianchandani S, Berns M. Ultraviolet 308-nm excimer laser ablation of bone: an acute and chronic study. Appl Opt. 1989 Jun 15; 28(12):2350-7. PMID: 20555523.
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      211. Berns M, Wright WH, Tromberg BJ, Profeta GA, Andrews JJ, Walter RJ. Use of a laser-induced optical force trap to study chromosome movement on the mitotic spindle. Proc Natl Acad Sci U S A. 1989 Jun; 86(12):4539-43. PMID: 2734304; PMCID: PMC287306.
      212. Rasmussen RE, Hammer-Wilson M, Berns M. Mutation and sister chromatid exchange induction in Chinese hamster ovary (CHO) cells by pulsed excimer laser radiation at 193 nm and 308 nm and continuous UV radiation at 254 nm. Photochem Photobiol. 1989 Apr; 49(4):413-8. PMID: 2727080.
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      213. Roberts WG, Liaw LH, Berns M. In vitro photosensitization II. An electron microscopy study of cellular destruction with mono-L-aspartyl chlorin e6 and photofrin II. Lasers Surg Med. 1989; 9(2):102-8. PMID: 2523992.
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      214. Gaster RN, Binder PS, Coalwell K, Berns M, McCord RC, Burstein NL. Corneal surface ablation by 193 nm excimer laser and wound healing in rabbits. Invest Ophthalmol Vis Sci. 1989 Jan; 30(1):90-8. PMID: 2912916.
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      215. Yow L, Nelson JS, Berns M. Ablation of bone and polymethylmethacrylate by an XeCl (308 nm) excimer laser. Lasers Surg Med. 1989; 9(2):141-7. PMID: 2716458.
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      216. Nelson JS, Orenstein A, Liaw LH, Berns M. Mid-infrared erbium:YAG laser ablation of bone: the effect of laser osteotomy on bone healing. Lasers Surg Med. 1989; 9(4):362-74. PMID: 2761332.
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      217. Roberts WG, Berns M. In vitro photosensitization I. Cellular uptake and subcellular localization of mono-L-aspartyl chlorin e6, chloro-aluminum sulfonated phthalocyanine, and photofrin II. Lasers Surg Med. 1989; 9(2):90-101. PMID: 2523995.
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      218. Nelson JS, Liaw LH, Orenstein A, Roberts WG, Berns M. Mechanism of tumor destruction following photodynamic therapy with hematoporphyrin derivative, chlorin, and phthalocyanine. J Natl Cancer Inst. 1988 Dec 21; 80(20):1599-605. PMID: 2973528.
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      219. Berns M, Liaw LH, Oliva A, Andrews JJ, Rasmussen RE, Kimel S. An acute light and electron microscopic study of ultraviolet 193-nm excimer laser corneal incisions. Ophthalmology. 1988 Oct; 95(10):1422-33. PMID: 3226690.
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      220. Tao W, Walter RJ, Berns M. Laser-transected microtubules exhibit individuality of regrowth, however most free new ends of the microtubules are stable. J Cell Biol. 1988 Sep; 107(3):1025-35. PMID: 3047148; PMCID: PMC2115282.
      221. Nahabedian MY, Cohen RA, Contino MF, Terem TM, Wright WH, Berns M, Wile AG. Combination cytotoxic chemotherapy with cisplatin or doxorubicin and photodynamic therapy in murine tumors. J Natl Cancer Inst. 1988 Jul 20; 80(10):739-43. PMID: 3385781.
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      222. Roberts WG, Shiau FY, Nelson JS, Smith KM, Berns M. In vitro characterization of monoaspartyl chlorin e6 and diaspartyl chlorin e6 for photodynamic therapy. J Natl Cancer Inst. 1988 May 04; 80(5):330-6. PMID: 2965763.
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      223. Nelson JS, Yow L, Liaw LH, Macleay L, Zavar RB, Orenstein A, Wright WH, Andrews JJ, Berns M. Ablation of bone and methacrylate by a prototype mid-infrared erbium:YAG laser. Lasers Surg Med. 1988; 8(5):494-500. PMID: 3230997.
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      224. Nelson JS, Liaw LH, Berns M. Tumor destruction in photodynamic therapy. Photochem Photobiol. 1987 Nov; 46(5):829-35. PMID: 3441506.
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      225. Mosier MA, Champion J, Liaw LH, Berns M. Delayed retinal effects of the frequency-doubled YAG laser (532 nm). Invest Ophthalmol Vis Sci. 1987 Aug; 28(8):1298-305. PMID: 3610548.
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      226. Tao W, Wilkinson J, Stanbridge EJ, Berns M. Direct gene transfer into human cultured cells facilitated by laser micropuncture of the cell membrane. Proc Natl Acad Sci U S A. 1987 Jun; 84(12):4180-4. PMID: 3473500; PMCID: PMC305048.
      227. Eugene J, Pollock ME, McColgan SJ, Hammer-Wilson M, Berns M, Mason GR. Comparison of continuous-wave lasers for endarterectomy of experimental atheromas. J Thorac Cardiovasc Surg. 1987 Apr; 93(4):494-501. PMID: 3104692.
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      228. Pollock ME, Eugene J, Hammer-Wilson M, Berns M. Photosensitization of experimental atheromas by porphyrins. J Am Coll Cardiol. 1987 Mar; 9(3):639-46. PMID: 3819208.
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      229. Pollock ME, Eugene J, Hammer-Wilson M, Berns M. The thrombogenic potential of argon ion laser endarterectomy. J Surg Res. 1987 Feb; 42(2):153-8. PMID: 2950278.
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      230. Sun CH, Duzman E, Mellott J, Liaw LH, Berns M. Spectroscopic, morphologic, and cytotoxic studies on major fractions of hematoporphyrin derivative and Photofrin II. Lasers Surg Med. 1987; 7(2):171-9. PMID: 2956470.
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      231. Nelson JS, Sun CH, Berns M. Study of the in vivo and in vitro photosensitizing capabilities of uroporphyrin I compared to photofrin II. Lasers Surg Med. 1986; 6(2):131-6. PMID: 2941630.
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      232. Eugene J, McColgan SJ, Pollock ME, Hammer-Wilson M, Moore-Jeffries EW, Berns M. Experimental arteriosclerosis treated by argon ion and neodymium-YAG laser endarterectomy. Circulation. 1985 Sep; 72(3 Pt 2):II200-6. PMID: 3839721.
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      233. Mew D, Lum V, Wat CK, Towers GH, Sun CH, Walter RJ, Wright W, Berns M, Levy JG. Ability of specific monoclonal antibodies and conventional antisera conjugated to hematoporphyrin to label and kill selected cell lines subsequent to light activation. Cancer Res. 1985 Sep; 45(9):4380-6. PMID: 4028022.
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      234. Eugene J, McColgan SJ, Pollock ME, Hammer-Wilson M, Moore-Jeffries EW, Berns M. Experimental arteriosclerosis treated by conventional and laser endarterectomy. J Surg Res. 1985 Jul; 39(1):31-8. PMID: 4010274.
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      235. Eugene J, McColgan SJ, Hammer-Wilson M, Moore-Jeffries EW, Berns M. Laser applications to arteriosclerosis: angioplasty, angioscopy, and open endarterectomy. Lasers Surg Med. 1985; 5(3):309-20. PMID: 4010442.
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      236. Mosier MA, Champion J, Liaw LH, Berns M. Retinal effects of the frequency-doubled (532 nm) YAG laser: histopathological comparison with argon laser. Lasers Surg Med. 1985; 5(4):377-404. PMID: 3839881.
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      237. Eugene J, McColgan SJ, Hammer-Wilson M, Berns M. Laser endarterectomy. Lasers Surg Med. 1985; 5(3):265-74. PMID: 4010437.
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      238. Berns M, Siemens AE, Walter RJ. Mitochondrial fluorescence patterns in rhodamine 6G-stained myocardial cells in vitro. Analysis by real-time computer video microscopy and laser microspot excitation. Cell Biophys. 1984 Dec; 6(4):263-77. PMID: 6085560.
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      239. Pepper DA, Kim HY, Berns M. Studies of a microtubule-associated protein using a monoclonal antibody elicited against mammalian mitotic spindles. J Cell Biol. 1984 Aug; 99(2):503-11. PMID: 6204993; PMCID: PMC2113281.
      240. Koonce MP, Cloney RA, Berns M. Laser irradiation of centrosomes in newt eosinophils: evidence of centriole role in motility. J Cell Biol. 1984 Jun; 98(6):1999-2010. PMID: 6725407; PMCID: PMC2113065.
      241. Berns M, Hammer-Wilson M, Walter RJ, Wright W, Chow MH, Nahabedian M, Wile A. Uptake and localization of HPD and "active fraction" in tissue culture and in serially biopsied human tumors. Prog Clin Biol Res. 1984; 170:501-20. PMID: 6241693.
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      242. Calmettes PP, Berns M. Laser-induced multiphoton processes in living cells. Proc Natl Acad Sci U S A. 1983 Dec; 80(23):7197-9. PMID: 6580638; PMCID: PMC390021.
      243. Liang H, Berns M. Induced genetic deficiency of the nucleolar organizer in rat kangaroo cells (PTK1) by ultraviolet laser microirradiation. Cell Biophys. 1983 Mar; 5(1):21-31. PMID: 6190564.
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      244. Liang H, Berns M. Establishment of nucleolar deficient sublines of PtK2 (Potorous tridactylis) by ultraviolet laser microirradiation. Exp Cell Res. 1983 Mar; 144(1):234-40. PMID: 6840209.
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      245. Berns M, Wile A, Dahlman A, Johnson F, Burns R, Sperling D, Guiltinan M, Siemens A, Walter R, Hammer-Wilson M. Cellular uptake, excretion and localization of hematoporphyrin derivative (HPD). Adv Exp Med Biol. 1983; 160:139-50. PMID: 6220570.
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      246. Berns M, Wilson M, Rentzepis P, Burns R, Wile A. Cell biology of hematoporphyrin derivative (HPD). Lasers Surg Med. 1983; 2(3):261-6. PMID: 6221167.
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      247. Berns GS, Berns M. Computer-based tracking of living cells. Exp Cell Res. 1982 Nov; 142(1):103-9. PMID: 6754398.
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      248. Koonce MP, Strahs KR, Berns M. Repair of laser-severed stress fibers in myocardial non-muscle cells. Exp Cell Res. 1982 Oct; 141(2):375-84. PMID: 6890458.
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      249. Berns M, Dahlman A, Johnson FM, Burns R, Sperling D, Guiltinan M, Siemens A, Walter R, Wright W, Hammer-Wilson M, Wile A. In vitro cellular effects of hematoporphyrin derivative. Cancer Res. 1982 Jun; 42(6):2325-9. PMID: 6210430.
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      250. Girton JR, Berns M. Pattern abnormalities induced in Drosophila imaginal discs by an ultraviolet laser microbeam. Dev Biol. 1982 May; 91(1):73-7. PMID: 6807730.
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      251. Siemens A, Walter R, Liaw LH, Berns M. Laser-stimulated fluorescence of submicrometer regions within single mitochondria of rhodamine-treated myocardial cells in culture. Proc Natl Acad Sci U S A. 1982 Jan; 79(2):466-70. PMID: 6952198; PMCID: PMC345764.
      252. Aist JR, Berns M. Mechanics of chromosome separation during mitosis in Fusarium (Fungi imperfecti): new evidence from ultrastructural and laser microbeam experiments. J Cell Biol. 1981 Nov; 91(2 Pt 1):446-58. PMID: 7309791; PMCID: PMC2111960.
      253. Brenner S, Pepper D, Berns M, Tan E, Brinkley BR. Kinetochore structure, duplication, and distribution in mammalian cells: analysis by human autoantibodies from scleroderma patients. J Cell Biol. 1981 Oct; 91(1):95-102. PMID: 7298727; PMCID: PMC2111947.
      254. Berns M, Aist J, Edwards J, Strahs K, Girton J, McNeill P, Rattner JB, Kitzes M, Hammer-Wilson M, Liaw LH, Siemens A, Koonce M, Peterson S, Brenner S, Burt J, Walter R, Bryant PJ, van Dyk D, Coulombe J, Cahill T, Berns GS. Laser microsurgery in cell and developmental biology. Science. 1981 Jul 31; 213(4507):505-13. PMID: 7017933.
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      255. Cremer T, Turner A, Liaw LH, Berns M. Giant cell formation produced by laser microbeam irradiation of chromatin in Chinese hamster cells. Exp Cell Res. 1981 Jul; 134(1):49-63. PMID: 7195821.
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      256. Liaw LH, Berns M. Electron microscope autoradiography on serial sections of preselected single living cells. J Ultrastruct Res. 1981 May; 75(2):187-94. PMID: 6167738.
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      257. McNeill PA, Berns M. Chromosome behavior after laser microirradiation of a single kinetochore in mitotic PtK2 cells. J Cell Biol. 1981 Mar; 88(3):543-53. PMID: 7194343; PMCID: PMC2112755.
      258. Cremer T, Peterson SP, Cremer C, Berns M. Laser microirradiation of Chinese hamster cells at wavelength 365 nm: effects of psoralen and caffeine. Radiat Res. 1981 Mar; 85(3):529-43. PMID: 7010411.
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      259. Siemens AE, Kitzes MC, Berns M. Hydrazine effects on vertebrate cells in vitro. Toxicol Appl Pharmacol. 1980 Sep 15; 55(2):378-92. PMID: 7423527.
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      260. Brenner SL, Liaw LH, Berns M. Laser microirradiation of kinetochores in mitotic PtK2 cells: chromatid separation and micronucleus formation. Cell Biophys. 1980 Jun; 2(2):139-52. PMID: 6159088.
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      261. Berns M, Chong LK, Hammer-Wilson M, Miller K, Siemens A. Genetic microsurgery by laser: establishment of a clonal population of rat kangaroo cells (PTK2) with a directed deficiency in a chromosomal nucleolar organizer. Chromosoma. 1979 Jun 21; 73(1):1-8. PMID: 487905.
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      262. Peterson SP, Berns M. Mitosis in flat PTK2-human hybrid cells. Exp Cell Res. 1979 May; 120(2):223-36. PMID: 436954.
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      263. Strahs KR, Berns M. Laser microirradiation of stress fibers and intermediate filaments in non-muscle cells from cultured rat heart. Exp Cell Res. 1979 Mar 01; 119(1):31-45. PMID: 570112.
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      264. Berns M. Fluorescence analysis of cells using a laser light source. Cell Biophys. 1979 Mar; 1(1):1-13. PMID: 95164.
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      265. Burt JM, Strahs KR, Berns M. Correlation of cell surface alterations with contractile response in laser microbeam irradiated myocardial cells. A scanning electron microscope study. Exp Cell Res. 1979 Feb; 118(2):341-51. PMID: 761591.
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      266. Berns M, Kitzes M, Rattner JB, Burt J, Meredith S. Laser microirradiation of cells. Acta Biol Med Ger. 1979; 38(9):1285-93. PMID: 399147.
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      267. Peterson SP, Berns M. Evidence for centriolar region RNA functioning in spindle formation in dividing PTK2 cells. J Cell Sci. 1978 Dec; 34:289-301. PMID: 748344.
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      268. Peterson SP, Berns M. Chromatin influence on the function and formation of the nuclear envelope shown by laser-induced psoralen photoreaction. J Cell Sci. 1978 Aug; 32:197-213. PMID: 701393.
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      269. Strahs KR, Burt JM, Berns M. Contractility changes in cultured cardiac cells following laser microirradiation of myofibrils and the cell surface. Exp Cell Res. 1978 Apr; 113(1):75-83. PMID: 639875.
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      270. Peterson SP, Berns M. Effect of psoralen and near UV on vertebrate cells in culture: comparison of laser with standard lamp. Photochem Photobiol. 1978 Mar; 27(3):367-70. PMID: 733928.
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      271. Berns M. The laser microbeam as a probe for chromatin structure and function. Methods Cell Biol. 1978; 18:277-94. PMID: 683019.
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      272. Berns M, Richardson SM. Continuation of mitosis after selective laser microbeam destruction of the centriolar region. J Cell Biol. 1977 Dec; 75(3):977-82. PMID: 925090; PMCID: PMC2111590.
      273. Kitzes M, Twiggs G, Berns M. Alteration of membrane electrical activity in rat myocardial cells following selective laser microbeam irradiation. J Cell Physiol. 1977 Oct; 93(1):99-104. PMID: 561796.
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      274. Berns M, Rattner JB, Brenner S, Meredith S. The role of the centriolar region in animal cell mitosis. A laser microbeam study. J Cell Biol. 1977 Feb; 72(2):351-67. PMID: 556728; PMCID: PMC2110996.
      275. Brenner S, Branch A, Meredith S, Berns M. The absence of centrioles from spindle poles of rat kangaroo (PtK2) cells undergoing meiotic-like reduction division in vitro. J Cell Biol. 1977 Feb; 72(2):368-79. PMID: 556729; PMCID: PMC2111012.
      276. Waymire K, Kitzes M, Meredith S, Twiggs G, Berns M. Argon laser microirradiation of mitochondria in rat myocardial cells in tissue culture. VII. fibrillation in ventricle and auricle cells. J Cell Physiol. 1976 Oct; 89(2):345-53. PMID: 972172.
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      277. Berns M. A possible two-photon effect in vitro using a focused laser beam. Biophys J. 1976 Aug; 16(8):973-7. PMID: 938735; PMCID: PMC1334922.
      278. Berns M, Leonardson K, Witter M. Laser microbeam irradiation of rat kangaroo cells (PTK2) following selective sensitization with bromodeoxyuridine and ethidium bromide. J Morphol. 1976 Jul; 149(3):327-38. PMID: 957444.
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      279. Rattner JB, Lifsics M, Meredith S, Berns M. Argon laser microirradiation of mitochondria in rat myocardial cells. VI. Correlation of contractility and ultrastructure. J Mol Cell Cardiol. 1976 Mar; 8(3):239-48. PMID: 1255742.
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      280. Berns M, Rattner JB, Meredith S, Witter M. Current laser microirradiation studies. Ann N Y Acad Sci. 1976 Jan 30; 267:160-75. PMID: 1064352.
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      281. Berns M. Directed chromosome loss by laser microirradiation. Science. 1974 Nov 22; 186(4165):700-5. PMID: 4607753.
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      282. Rattner JB, Berns M. Light and electron microscopy of laser microirradiated chromosomes. J Cell Biol. 1974 Aug; 62(2):526-33. PMID: 4139165; PMCID: PMC2109408.
      283. Brinkley L, Berns M. Laser microdissection of actinomycin D segregated nucleoli. Exp Cell Res. 1974 Aug; 87(2):417-22. PMID: 4606718.
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      284. McBride G, LaBounty J, Adams J, Berns M. The totipotency and relationship of seta-bearing cells to thallus development in the Green Alga Coleochaete Scutata. A laser microbeam study. Dev Biol. 1974 Mar; 37(1):90-9. PMID: 4823505.
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      285. Berns M. Laser microirradiation of chromosomes. Cold Spring Harb Symp Quant Biol. 1974; 38:165-74. PMID: 4133983.
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      286. Berns M, Cheng WK. Argon laser microirradiation of mitochondria in rat myocardial cells in tissue culture. V. Pacemaker versus non-pacemaker cells. Life Sci I. 1973 May 15; 12(10):469-74. PMID: 4696607.
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      287. Basehoar G, Berns M. Cloning of rat kangaroo (PTK2) cells following laser microirradiation of selected mitotic chromosomes. Science. 1973 Mar 30; 179(4080):1333-4. PMID: 4687022.
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      288. Berns M. Partial cell irradiation with a tunable organic dye laser. Nature. 1972 Dec 22; 240(5382):483-5. PMID: 4629891.
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      289. Berns M, Floyd AD, Adkisson K, Cheng WK, Moore L, Hoover G, Ustick K, Burgott S, Osial T. Laser microirradiation of the nucleolar organizer in cells of the rat kangaroo (Potorous tridactylis). Reduction of nucleolar number and production of micronucleoli. Exp Cell Res. 1972 Dec; 75(2):424-32. PMID: 4674695.
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      290. Onuki Y, Rounds DE, Olson RS, Berns M. Laser microbeam irradiation of the juxtanucleolar region of prophase nucleolar chromosomes. Exp Cell Res. 1972 Mar; 71(1):132-44. PMID: 5063569.
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      291. Berns M, Gross DC, Cheng WK, Woodring D. Argon laser micro-irradiation of mitochondria in rat myocardial cells in tissue culture. II. Correlation of morphology and function in irradiated single cells. J Mol Cell Cardiol. 1972 Feb; 4(1):71-83. PMID: 4553913.
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      292. Berns M, Salet C. Laser microbeams for partial cell irradiation. Int Rev Cytol. 1972; 33:131-56. PMID: 4562601.
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      293. Berns M, Cheng WK. Are chromosome secondary constrictions nucleolar organizers? A re-examination using a laser microbeam. Exp Cell Res. 1971 Nov; 69(1):185-92. PMID: 5166372.
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      294. Berns M, Cheng WK, Hoover G. Cell division after laser microirradiation of mitotic chromosomes. Nature. 1971 Sep 10; 233(5315):122-3. PMID: 12058751.
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      295. Berns M, Floyd AD. Chromosomal microdissection by laser. A cytochemical and functional analysis. Exp Cell Res. 1971 Aug; 67(2):305-10. PMID: 5097517.
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      296. Berns M. A simple and versatile argon laser microbeam. Exp Cell Res. 1971 Apr; 65(2):470-3. PMID: 5554042.
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      297. Berns M, Cheng WK, Floyd AD, Onuki Y. Chromosome lesions produced with an argon laser microbeam without dye sensitization. Science. 1971 Mar 05; 171(3974):903-5. PMID: 5541651.
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      298. Berns M, Gamaleja N, Olson R, Duffy C, Rounds DE. Argon laser micro-irradiation of mitochondria in rat myocardial cells in tissue culture. J Cell Physiol. 1970 Oct; 76(2):207-13. PMID: 5500975.
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      299. Berns M, Ohnuki Y, Rounds DE, Olson RS. Modification of nucleolar expression following laser micro-irradiation of chromosomes. Exp Cell Res. 1970 Apr; 60(1):133-8. PMID: 4909244.
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