BioPhysics Assay Laboratory (BioPAL, Inc.) is a privately held, for-profit company based in Worcester Massachusetts. The company develops and sells novel tools for the life science and biomedical communities. BioPAL was the first company to commercialize non-radioactive products that use neutron activation technology as the read-out system. The company also develops and sells nanoparticles for applications in magnetic resonance imaging (MRI), magnetic separation applications and tools for time resolved fluorescent technology. BioPAL offers ready-to-use cell labeling and tracking products for cellular therapy research applications.