ERHS DEPARTMENT FACULTY MEMBERS

Jac A. Nickoloff, Department Head and Professor
Cellular processes that maintain eukaryotic genome stability, including homologous recombination, nonhomologous end-joining and other DNA repair processes.

EPIDEMIOLOGY

Annette M. Bachand, Assistant Professor
Environmental epidemiology, reproductive epidemiology, clinical trials and epidemiological methods.

Lesley M. Butler, Assistant Professor
Define relationships between dietary factors and cancer by using epidemiology methods in combination with tools from chemistry and genetics.

Thomas J. Keefe, Professor
Environmental epidemiology, particularly cancer and organochlorine pesticides and biostatistical methods.

John R. Nuckols, Professor, In residence at NIH in Maryland
Exposure assessment in population-based environmental health studies.

Jennifer Peel, Assistant Professor
Environmental epidemiology, specifically the health effects of ambient air pollution. Nicaragua Cook Stove Project

John S. Reif, Professor
Health effects of water disinfection byproducts, electromagnetic fields and pesticides, epidemiologic research in human populations, with a focus on applying biomarkers of exposure and effect.

HEALTH PHYSICS

Thomas B. Borak, Professor
Radiation physics and dosimetry.

J. Fred Harmon, Assistant Professor
Development and application of Ionizing and non-ionizing medical imaging modalities. Optimization of therapeutic radiation oncology treatment methods such as Intensity Modulated Radiation Therapy (IMRT), Stereotactic Radiosurgery, and kV/MV on-board Imaging.

Thomas E. Johnson, Assistant Professor
Laser safety and laser injury recovery and the acute effects of ionizing radiation.

John D. Zimbrick, Professor
Development of new biomarkers and biodosimeters for the detection and quantitation of radiation effects, and drugs for the modification of radiation response through the use of biophysical instrumentation, methodologies, and the tools developed by molecular biologists.

INDUSTRIAL HYGIENE/OCCUPATIONAL & ENVIRONMENTAL HEALTH

Kenneth D. Blehm, Associate Dean and Professor
Noise exposure assessment, noise control, program assessment and human factors (behavior-based safety and error correction).

William J. Brazile, Assistant Professor
Occupational health and safety stressors for hazardous waste site workers.

David P. Gilkey, Director of Undergraduate Education and Associate Professor
Environmental and occupational human health, complimentary and alternative human health, construction safety and ergonomics, back pain and musculoskeletal pain syndromes among workers.

Stephen J. Reynolds, Professor
Development of exposure assessment methods for organic and biological aerosols and the application of these methods for epidemiological investigations of respiratory disease.

John C. Rosecrance, Associate Professor
Cause and prevention of work-related musculoskeletal disorders, occupation illnesses and injuries through ergonomics with a specific focus on carpal tunnel syndrome.

Del R. Sandfort, Associate Professor
The delivery of occupational health and safety services to small, high-hazard businesses, physical agents such as noise and electro-magnetic radiation and exposures to specific work populations such as silica exposure in construction and beryllium exposures among dental laboratory workers.

John Volckens, Assistant Professor
Development of methods for aerosol and air pollution measurement, understanding the generation, fate, and transport of semivolatile organic compounds in rural, urban, and industrial environments, and development of improved diagnostic techniques for assessing human exposures to and adverse health effects of air pollution.  Click here for Dr. Volckens’ research pages.

RADIOBIOLOGY/RADIATION CANCER BIOLOGY & ONCOLOGY

Susan M. Bailey, Associate Professor
The potential role of dysfunctional (uncapped) telomeres (as opposed to shortened telomeres) in tumorigenesis.

Joel S. Bedford, Professor
Chromosomal aberrations, studies in radiation genetics and cytogenetics, factors influencing this production, the development of new methodologies for measuring aberrations, the genetic control of radiosensitivity, and radiation induced genomic instability

Michael H. Fox, Emeritus Professor
Mutagenesis studies, developing a mammalian cell based assay for genotoxicity based on using flow cytometry to measure mutations induced by various genotoxic agents.

Susan M. LaRue, Professor
Radiation oncology therapy for pets.

Howard L. Liber, Professor
The mechanisms of spontaneous and radiation-induced mutagenesis in human cells.

Hatsumi Nagasawa, Associate Professor

Yuanlin Peng, Assistant Professor

F. Andrew Ray, Associate Professor
How the SV40 virus causes cancer traits in normal human cells.

Michael M. Weil, Associate Professor
Gene mutation.

TOXICOLOGY

Dwayne W. Hamar, Associate Professor
Nutritional ⁄ metabolic diseases in ruminant animals.

William H. Hanneman, Associate Professor
Chemical induction of neuroendocrine disruption and molecular regulation of gene and protein expression.

Marie E. Legare, Assistant Professor
Analysis of genes and gene expression.

Arthur Mayeno, Assistant Professor
Computational toxicology/biochemistry/biology, mathematical and computational modeling of biologically-based systems, prediction of metabolism of xenobiotics by biological systems such as a cell or organism, development of computer-assisted tools for metabolite prediction.

Howard S. Ramsdell, Associate Professor
The use of biochemical approaches for the study of toxic chemical exposures and effects, biochemical changes caused by toxic chemical exposure and the use of biochemical end points as biomarkers of exposure and effects of environmental toxicants.

Ronald B. Tjalkens, Associate Professor
Astrocyte biology and calcium signaling, mitochondrial dysfunction in neurodegenrative disorders, and molecular regulation of neuro-inflammatory genes.

Raymond S.H. Yang, Professor
Physiologically Based Pharmacokinetic/Pharmacodynamic (PBPK/PD) Modeling, Biologically Based Dose Response (BBDR) Modeling, reaction network modeling, chemical mixture toxicology, toxicologic interactions, carcinogenesis ⁄ Neuro-developmental toxicology, risk assessment.

VETERINARY DIAGNOSTIC IMAGING

Debra S. Gibbons, Assistant Professor

Susan L. Kraft, Associate Professor
Cancer imaging, particularly using with magnetic resonance imaging (MRI) and magnetic resonance spectroscopy (MRS) and positron emission tomography (PET-CT) in translational animal models (pets with spontaneous cancer).

Angela J. Marolf, Assistant Professor

Richard D. Park, Professor

Elissa K. Randall, Assistant Professor

Alejandro (Alex) Valdes-Martinez, Assistant Professor

Mailing Address
Environmental & Radiological Health Sciences
EH Building - 1681 Campus Delivery
MRB Building - 1618 Campus Delivery
Colorado State University
Fort Collins, CO 80523
EH Building Phone: (970) 491-7038
Fax: (970) 491-2940
MRB Building Phone: (970) 491-5222
Fax: (970) 491-0623
Email: ERHSDepartment