Excellence in Component Antigen
Production since 1991

Located in the heart of the Wasatch mountains in Spanish Fork, Utah, Ross Southern Laboratories has been producing high quality, affordable antigens for the scientific community since 1991. Most of our products are in stock and can be shipped within 24 hours. Requests to customize products to meet specific needs for buffers and concentrations can be accommodated for most of our products. Samples are available upon request for only the cost of shipping. We are also equipped to fulfill most custom antigen requests.

To purchase: Products from Ross Southern Labs can be purchased by calling us at (801) 355-1140 or emailing us at info@rslabs.com. An agent will make sure the correct materials are ordered.

Terms of Sale: Products are invoiced on a net 30 basis.

Return of Goods: Should the material not meet your expectations, simply contact us and a return authorization number will be given and a refund granted.

62 East 3450 North
Spanish Fork, UT 84660
Phone: (801) 355-1140
Fax: (801) 355-1141
Email: info@rslabs.com

R. Kelley Thueson, MS, MD

Director, Ross Southern Labs


R. Kelley Thueson, MS, MD was born and raised in southern Idaho. He graduated from Brigham Young University with a degree in Zoology and then worked for Gull Laboratories. After obtaining a Master of Science for his work on Toxoplasma gondii diagnostics, he attended medical school at the University of Mississippi. While in medical school he started supplying the immunodiagnostic industry with high quality antigens and soon recognized the importance and potential of this work. After completing a residency in Internal Medicine he worked full time as a clinician while increasing his efforts in the laboratory. In 1991 Dr. Thueson incorporated Ross Southern Laboratories.

Gary Bradshaw, MS, Ph.D.

Director of Research and Development


Gary Bradshaw, MS, Ph.D. was raised in a farming community in southern Idaho. He obtained his BS and MS degrees in Microbiology at Brigham Young University and in 1982 received a Ph.D. in Microbiology from the University of Nebraska. He then trained as a post-doctoral fellow and research associate under Dr. R. Walter Schlesinger at Rutgers Medical School in the department of Microbiology. Their research centered on the neuropathogenicity of influenza. He later joined the faculty of the University of Medicine and Dentistry of New Jersey in Piscataway (formerly Rutgers Medical School) in the department of Microbiology and Molecular Genetics where he continued his work on influenza along with AIDS and interferon. In 1993 he joined Ross Southern Laboratories where his main focus has been new product development.

T.J. Uriona, Ph.D.

Associate Research Director


T.J. Uriona, Ph.D. is a member of the product development research team. He joined Ross Southern Laboratories in 2008. Dr. Uriona was born and raised in Salt Lake City, Utah. He obtained his BS degree from the University of Utah in Biology. He continued his studies at the University of Utah and received a Ph.D. in Comparative Physiology. During his time in graduate school he received a grant from the German government to study at the University of Bonn and published five articles related to his graduate work. He began working at Ross Southern Laboratories on a part-time basis while obtaining his BS and joined the company full time after finishing his Ph.D. The focus of his work at Ross Southern Laboratories is toxoplasma, herpes simplex and veterinary products, as well as the development of monoclonal antibodies.