Radiation Dose-Response Evaluation Services

The contract entails performing in vitro radiation exposure experiments at precisely controlled doses of 0.5, 1, and 2 Gray to evaluate biological responses in cellular models. Key endpoints to be analyzed include reactive oxygen species levels, DNA damage markers such as γH2AX and 53BP1 foci, cytokine expression profiles, and overall cell viability to assess radiation-induced cellular stress and damage. The work is to be conducted under a subcontract arrangement for the NASA Shared Services Center on behalf of the National Aeronautics and Space Administration, with performance required to take place in Houston, Texas, at the designated zip code 77058. The solicitation was posted on July 1, 2026, and responses must be submitted by July 6, 2026, by 6:00 PM, with the NAICS classification 541380 indicating it falls under scientific research and development services.