Another example of a small firm previously SBIR involved in the earlier years of the program - having recently come back into the fold. Focusing the firm's research efforts on various aspects of hematopoiesis, Quality Biological, Inc (QBI) is a privately held firm providing products and supplies for the molecular biology laboratory -- buffers, and RNA and DNA reagents); and for the cell biology laboratory-- including traditional cell culture media the QBSF® range of serum-free media, along with products for stem cell culture and hematopoiesis research. The company's is committed to delivering reliable products and services to the market to include manufactureof high-performance, high-quality custom products to support consistent and reproducible results in research, method and process validation, preclinical drug discovery, and large-scale production of custom formulations for commercialization.