Guy Garty
Research Scientist

• Automated biodosimetry

• High throughput imaging

• Microbeam technology

• Radiation detector physics

• Nanodosimetry

Contact Information

Guy Garty, Ph.D.
RARAF
Center for Radiological Research
Nevis Laboratory, Columbia University
136 S. Broadway
Irvington, NY 10533

Tel: (914) 591-9244
Fax: (914) 591-9405
email: gyg2101@columbia.edu

Professional Experience  

• 2010-present: Research Scientist, Center for Radiological Research, Columbia University, NY
• 2010-present: Senator, Columbia University, NY
• 2006-2010: Associate Research Scientist, Center for Radiological Research, Columbia University, NY
• 2003-2006: Postdoctoral Fellow, Center for Radiological Research, Columbia University, NY
• 1995: DESY summer student program

Select Publications Online  

Some papers are available online in PDF format, which requires Adobe Acrobat Reader. (Acrobat Reader is free and can be downloaded here: )

Garty G., Schulte R., Shchemelinin S., Leloup C., Assaf G., Breskin A., Chechik R., Bashkirov V., Milligan J. and Grosswendt B. A nanodosimetric model of radiation-induced clustered DNA damage yields. Phys. Med. Biol. 55: 761-781, 2010. [abstract] [PDF]

Garty G., Chen Y., Salerno A., Turner H., Zhang J., Lyulko O.V., Bertucci A., Xu Y., Wang H., Simaan N., Randers-Pehrson G., Yao Y.L., Amundson S.A. and Brenner D.J. The RABIT: A Rapid Automated Biodosimetry Tool for radiological triage. Health Phys. 98:209-217, 2010. [abstract] [PDF]

Bigelow A.W., Garty G., Funayama T., Randers-Pehrson G., Brenner D.J. and Geard C. Expanding the Question-answering Potential of Single-cell Microbeams at RARAF, USA. J. Radiat. Res. 50: Suppl., A21-A28, 2009. [PDF]

Bigelow A.W., Brenner D.J., Garty G. and Randers-Pehrson G. Single-particle/single-cell ion microbeams as probes of biological mechanisms. IEEE Trans. Plasma Sci. 36:1424-1431, 2008. [PDF]

Schulte R.W., Wroe A.J., Bashkirov V.J., Garty G., Breskin A., Chechik R., Shchemelinin S., GargioniE., Grosswendt B., and RosenfeldA.B. Nanodosimetry-based quality factors for radiation protection in space. Z.Med.Phys.18: 286–296, 2008. [PDF]

Salerno A., Zhang J., Bhatla A., Lyulko O.V., Nie J., Dutta A., Garty G., Simaan N., Randers-Pehrson G., Yao Y.L. and Brenner D.J. Design Considerations for a Minimally Invasive High-Throughput Automation System for Radiation Biodosimetry. In Proceedings of the Third Annual IEEE Conference on Automation Science and Engineering (CASE), Scottsdale, AZ, September 2007, pp. 846-852. [PDF]

Bashkirov V., Schulte R., Breskin A., Chechik R., Shchemelinin S., Garty G., Wroe A., Sadrozinski H. and Grosswndt B. Ion-counting Nanodosemeter with Particle Tracking Capabilities. Radiation protection Dosimetry 122(1-4): 415-419, 2006. [PDF]

Schulte R., Bashkirov V., Shchemelinin S., Breskin A., Garty G., Wroe A. and Grosswendt B. Mapping the sensitive volume of an ion-counting nanodosimeter. JINST 1: P04004, 2006. [PDF]

Garty G., Ross G.J., Bigelow A.W., Schettino G., Randers-Pehrson G. and Brenner D.J. Status of the Stand-Alone Microbeam at Columbia University. Radiation Research, 166(4): 656, 2006.

Garty G., Ross G.J., Bigelow A.W., Randers-Pehrson G. and Brenner D.J. Testing the stand-alone microbeam at Columbia University. Radiation Protection Dosimetry 122(1-4):292-296, 2006. [PDF]

Garty G., Schulte R., Shchemelinin S., Grosswendt B., Leloup C., Assaf G., Breskin A., Chechik R. and Bashkirov V. First attempts at prediction of DNA strand-break yields using nanodosimetric data. Radiation Protection Dosimetry 122(1-4): 451-454, 2006. [PDF]

Bashkirov V., Schulte R., Breskin A., Chechik R., Schemelinin S., Garty G., Wroe A., Sadrozinski H. and Grosswendt B. Ion-counting nanodosemeter with particle tracking capabilities. Radiation Protection Dosimetry 122(1-4): 415-419, 2006.

Garty G., Ross G.J., Bigelow A., Randers-Pehrson G. and Brenner D.J. A microbeam irradiator without an accelerator. Nucl. Instrum. Methods Phys. Res. B 241  392-396, 2005. [PDF]

Garty G., Randers-Pehrson G. and Brenner D.J. Development of a secondary-electron ion-microscope for microbeam diagnostics. Nucl. Instrum. Methods Phys. Res. B 231:60-64, 2005. [PDF]

Ross G.J., Garty G., Randers-Pehrson G. and Brenner D.J. A single-particle/single-cell microbeam based on an isotopic alpha source. Nucl. Instrum. Methods Phys. Res. B 231:207-211, 2005. [PDF]

Leloup C., Garty G., Assaf G., Cristovao A., Breskin A., Chechik R., Shchemelinin S., Paz-Elizur T., Livneh Z., Schulte R.W., Bashkirov V., Milligan J.R. and Grosswendt B. Evaluation of lesion clustering in irradiated plasmid DNA. International Journal of Radiation Biology 81(1): 41-54, 2005. [PDF]

Garty G., Shchemelinin S., Breskin A., Chechik R., Assaf G., Orion I., Bashkirov V., Schulte R. and Grosswendt B. The performance of a novel ion-counting nanodosimeter. Nucl. Instrum. Methods Phys. Res. Section a-Accelerators Spectrometers Detectors and Associated Equipment 492(1-2): 212-235, 2002.

Garty G., Shchemelinin S., Breskin A., Chechik R., Orion I., Guedes G.P., Schulte R., Bashkirov V. and Grosswendt B. Wall-less ion-counting nanodosimetry applied to protons. Radiation Protection Dosimetry 99(1-4):325-330, 2002.

Richter C., Breskin A., Chechik R., Mormann D., Garty G. and Sharma A. On the efficient electron transfer through GEM. Nucl. Instrum. Methods Phys. Res. Section a-Accelerators Spectrometers Detectors and Associated Equipment 478(3):538-558, 2002.

Shchemelinin S., Garty G., Breskin A., Chechik R. and Schulte R.W.M. Ion-counting nanodosimetry: A new method for assessing radiation damage to DNA. Nucl. Instrum. Methods Phys. Res. Section a-Accelerators Spectrometers Detectors and Associated Equipment 477(1-3):527-530, 2002.

Richter C., Breskin A., Chechik R., Garty G. and Sharma A. Absolute electron transfer efficiency of GEM. Nucl. Instrum. Methods Phys. Res. Section a-Accelerators Spectrometers Detectors and Associated Equipment 461(1-3):38-41, 2001.

Schulte R., Bashkirov V., Shchemelinin S., Garty G., Chechik R. and Breskin A. Modeling of radiation action based on nanodosimetric event spectra. Physica Medica 17: 177-180, 2001.

Breskin A., Boutboul T., Buzulutskov A., Chechik R., Garty G., Shefer E. and Singh B.K. Advances in gas avalanche photomultipliers. Nucl. Instrum. Methods Phys. Res. Section a-Accelerators Spectrometers Detectors and Associated Equipment 442(1-3):58-67, 2000.

Buzulutskov A., Breskin A., Chechik R., Garty G., Sauli F. and Shekhtman L. Further studies of the GEM photomultiplier. Nucl. Instrum. Methods Phys. Res. Section a-Accelerators Spectrometers Detectors and Associated Equipment 442(1-3):68-73, 2000.

Buzulutskov A., Breskin A., Chechik R., Garty G., Sauli F. and Shekhtman L. The GEM photomultiplier operated with noble gas mixtures. Nucl. Instrum. Methods Phys. Res. Section a-Accelerators Spectrometers Detectors and Associated Equipment 443(1):164-180, 2000.

Chechik R., Breskin A., Garty G., Shefer E., Singh B.K. and Shchemelinin S. Advances in single-charge detectors and their applications. Ieee Transactions on Nuclear Science 47(6): 1812-1819, 2000.

Chechik R., Breskin A., Garty G., Shefer E., Singh B.K. and Shchemelinin S. Advances in single-charge detectors and their applications. Ieee Transactions on Nuclear Science 47(4):1404-1411, 2000.

Garty G., Breskin A., Chechik R. and Shefer E. Single photoelectron detection with a low-pressure gas electron multiplier coupled to a CsI photocathode. Nucl. Instrum. Methods Phys. Res. Section a-Accelerators Spectrometers Detectors and Associated Equipment 433(1-2):476-481, 1999.

Shchemelinin S., Pszona S., Garty G., Breskin A. and Chechik R. The absolute detection efficiency of vacuum electron multipliers, to keV protons and Ar+ ions. Nucl. Instrum. Methods Phys. Res. Section a-Accelerators Spectrometers Detectors and Associated Equipment 438(2-3):447-451, 1999.

Chechik R., Breskin A., Garty G., Mattout J., Sauli F. and Shefer E. First results on the GEM operated at low gas pressures. Nucl. Instrum. Methods Phys. Res. Section a-Accelerators Spectrometers Detectors and Associated Equipment 419(2-3):423-428, 1998.

Breskin A., Chechik R., Garty G., Pansky A., Shefer E. and Biagi S.F. On the high gain operation of low-pressure microdot gas avalanche chambers. Nucl. Instrum. Methods Phys. Res. Section a-Accelerators Spectrometers Detectors and Associated Equipment 394(1-2):21-26, 1997.

Pansky A., Breskin A., Chechik R., Garty G. and Klein E. Application of the electron-counting method to low-Z elemental analysis. Nucl. Instrum. Methods Phys. Res. Section a-Accelerators Spectrometers Detectors and Associated Equipment 392(1-3):465-470, 1997.

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