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Charles R. Geard
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Journal Articles

Accelerator-Based Biological Irradiation Facility Simulating Neutron Exposure from an Improvised Nuclear Device

Yanping Xu, Gerhard Randers-Pehrson, Helen C. Turner, Stephen A. Marino, Charles R. Geard ...
Journal: Radiation Research
Radiat Res (2015) 184 (4): 404–410.
https://doi.org/10.1667/RR14036.1
Published: 28 September 2015
View article titled, Accelerator-Based Biological Irradiation Facility Simulating Neutron Exposure from an Improvised Nuclear Device
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Journal Articles

Intrachromosomal Changes and Genomic Instability in Site-Specific Microbeam-Irradiated and Bystander Human-Hamster Hybrid Cells

Burong Hu, Peter Grabham, Jing Nie, Adayabalam S. Balajee, Hongning Zhou ...
Journal: Radiation Research
Radiat Res (2011) 177 (1): 25–34.
https://doi.org/10.1667/RR2757.1
Published: 11 November 2011
View article titled, Intrachromosomal Changes and Genomic Instability in Site-Specific Microbeam-Irradiated and Bystander Human-Hamster Hybrid Cells
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Journal Articles

Differential Impact of Mouse Rad9 Deletion on Ionizing Radiation-Induced Bystander Effects

Aiping Zhu, Hongning Zhou, Corinne Leloup, Stephen A. Marino, Charles R. Geard ...
Journal: Radiation Research
Radiat Res (2005) 164 (5): 655–661.
https://doi.org/10.1667/RR3458.1
Published: 01 November 2005
View article titled, Differential Impact of Mouse Rad9 Deletion on Ionizing Radiation-Induced Bystander Effects
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Journal Articles

Induction of Replication Protein A in Bystander Cells

Adayabalam S. Balajee, Brian Ponnaiya, Rajamanickam Baskar, Charles R. Geard
Journal: Radiation Research
Radiat Res (2004) 162 (6): 677–686.
https://doi.org/10.1667/RR3269
Published: 01 December 2004
View article titled, Induction of Replication Protein A in Bystander Cells
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Journal Articles

Biological Responses in Known Bystander Cells Relative to Known Microbeam-Irradiated Cells

Brian Ponnaiya, Gloria Jenkins-Baker, David J. Brenner, Eric J. Hall, Gerhard Randers-Pehrson ...
Journal: Radiation Research
Radiat Res (2004) 162 (4): 426–432.
https://doi.org/10.1667/RR3236
Published: 01 October 2004
View article titled, Biological Responses in Known Bystander Cells Relative to Known Microbeam-Irradiated Cells
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Journal Articles

Effect of Medium on Chromatin Damage in Bystander Mammalian Cells

Masao Suzuki, Hongning Zhou, Charles R. Geard, Tom K. Hei
Journal: Radiation Research
Radiat Res (2004) 162 (3): 264–269.
https://doi.org/10.1667/RR3226
Published: 01 September 2004
View article titled, Effect of Medium on Chromatin Damage in Bystander Mammalian Cells
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Journal Articles

Stable Intrachromosomal Biomarkers of Past Exposure to Densely Ionizing Radiation in Several Chromosomes of Exposed Individuals

Catherine R. Mitchell, Tamara V. Azizova, M. Prakash Hande, Ludmilla E. Burak, Josephine M. Tsakok ...
Journal: Radiation Research
Radiat Res (2004) 162 (3): 257–263.
https://doi.org/10.1667/RR3231
Published: 01 September 2004
View article titled, Stable Intrachromosomal Biomarkers of Past Exposure to Densely Ionizing Radiation in Several Chromosomes of Exposed Individuals
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Journal Articles

Interaction between Radiation-Induced Adaptive Response and Bystander Mutagenesis in Mammalian Cells

Hongning Zhou, Gerhard Randers-Pehrson, Charles R. Geard, David J. Brenner, Eric J. Hall ...
Journal: Radiation Research
Radiat Res (2003) 160 (5): 512–516.
https://doi.org/10.1667/RR3083
Published: 01 November 2003
View article titled, Interaction between Radiation-Induced Adaptive Response and Bystander Mutagenesis in Mammalian Cells
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Journal Articles

The Columbia University Single-Ion Microbeam

Gerhard Randers-Pehrson, Charles R. Geard, Gary Johnson, Carl D. Elliston, David J. Brenner
Journal: Radiation Research
Radiat Res (2001) 156 (2): 210–214.
https://doi.org/10.1667/0033-7587(2001)156[0210:TCUSIM]2.0.CO;2
Published: 01 August 2001
View article titled, The Columbia University Single-Ion Microbeam
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Journal Articles

Chromosome Aberrations of Clonal Origin in Irradiated and Unexposed Individuals: Assessment and Implications

Kirby L. Johnson, Joginder Nath, David J. Brenner, Charles R. Geard, James D. Tucker
Journal: Radiation Research
Radiat Res (1999) 152 (1): 1–5.
https://doi.org/10.2307/3580043
Published: 01 July 1999
View article titled, Chromosome Aberrations of Clonal Origin in Irradiated and Unexposed Individuals: Assessment and Implications
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Journal Articles

Chromosome Aberrations in Human Fibroblasts Induced by Monoenergetic Neutrons. I. Relative Biological Effectiveness

Tej K. Pandita, Charles R. Geard
Journal: Radiation Research
Radiat Res (1996) 145 (6): 730–739.
https://doi.org/10.2307/3579364
Published: 01 June 1996
View article titled, Chromosome Aberrations in Human Fibroblasts Induced by Monoenergetic Neutrons. I. Relative Biological Effectiveness
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Journal Articles

The Biological Effectiveness of Radon-Progeny Alpha Particles. IV. Morphological Transformation of Syrian Hamster Embryo Cells at Low Doses

Stewart G. Martin, Richard C. Miller, Charles R. Geard, Eric J. Hall
Journal: Radiation Research
Radiat Res (1995) 142 (1): 70–77.
https://doi.org/10.2307/3578968
Published: 01 April 1995
View article titled, The Biological Effectiveness of Radon-Progeny Alpha Particles. IV. Morphological Transformation of Syrian Hamster Embryo Cells at Low Doses
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Journal Articles

Initial Damage in Human Interphase Chromosomes from Alpha Particles with Linear Energy Transfers Relevant to Radon Exposure

Bradford D. Loucas, Charles R. Geard
Journal: Radiation Research
Radiat Res (1994) 139 (1): 9–14.
https://doi.org/10.2307/3578726
Published: 01 July 1994
View article titled, Initial Damage in Human Interphase Chromosomes from Alpha Particles with Linear Energy Transfers Relevant to Radon Exposure
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Journal Articles

Kinetics of Chromosome Rejoining in Normal Human Fibroblasts after Exposure to Low- and High-LET Radiations

Bradford D. Loucas, Charles R. Geard
Journal: Radiation Research
Radiat Res (1994) 138 (3): 352–360.
https://doi.org/10.2307/3578683
Published: 01 June 1994
View article titled, Kinetics of Chromosome Rejoining in Normal Human Fibroblasts after Exposure to Low- and High-LET Radiations
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Journal Articles

Induction of Sister Chromatid Exchange as a Function of Charged-Particle Linear Energy Transfer

Charles R. Geard
Journal: Radiation Research
Radiat Res (1993) 134 (2): 187–192.
https://doi.org/10.2307/3578458
Published: 01 May 1993
View article titled, Induction of Sister Chromatid Exchange as a Function of Charged-Particle Linear Energy Transfer
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Journal Articles

Cell-Cycle-Dependent Radiation-Induced Oncogenic Transformation of C3H 10T1/2 Cells

Richard C. Miller, Charles R. Geard, Marcus J. Geard, Eric J. Hall
Journal: Radiation Research
Radiat Res (1992) 130 (1): 129–133.
https://doi.org/10.2307/3578491
Published: 01 April 1992
View article titled, Cell-Cycle-Dependent Radiation-Induced Oncogenic Transformation of C3H 10T1/2 Cells
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Journal Articles

Oncogenic Transformation Following Sequential Irradiations with Monoenergetic Neutrons and X Rays

Richard C. Miller, Charles R. Geard, Stephen A. Marino, Marcia Richards, Gerhard Randers-Pehrson
Journal: Radiation Research
Radiat Res (1991) 125 (3): 338–342.
https://doi.org/10.2307/3578121
Published: 01 March 1991
View article titled, Oncogenic Transformation Following Sequential Irradiations with Monoenergetic Neutrons and X Rays
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Journal Articles

Micronuclei and Clonogenicity Following Low- and High-Dose-Rate γ Irradiation of Normal Human Fibroblasts

Charles R. Geard, Chang Yan Chen
Journal: Radiation Research
Radiat Res (1990) 124 (1s): S56–S61.
https://doi.org/10.2307/3577678
Published: 01 October 1990
View article titled, Micronuclei and Clonogenicity Following Low- and High-Dose-Rate γ Irradiation of Normal Human Fibroblasts
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Journal Articles

Oncogenic Transformation by Fractionated Doses of Neutrons

Richard C. Miller, David J. Brenner, Charles R. Geard, Kenshi Komatsu, Stephen A. Marino ...
Journal: Radiation Research
Radiat Res (1988) 114 (3): 589–598.
https://doi.org/10.2307/3577129
Published: 01 June 1988
View article titled, Oncogenic Transformation by Fractionated Doses of Neutrons
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Journal Articles

Charged Particle Cytogenetics: Effects of LET, Fluence, and Particle Separation on Chromosome Aberrations

Charles R. Geard
Journal: Radiation Research
Radiat Res (1985) 104 (2s): S112–S121.
https://doi.org/10.2307/3576638
Published: 01 November 1985
View article titled, Charged Particle Cytogenetics: Effects of LET, Fluence, and Particle Separation on Chromosome Aberrations
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