This is a Notice of Intent to award a sole-source, firm-fixed-price contract to lease four Avatar™ Odyssey instruments for six months. The lease is to support process development at the Center for Cellular Engineering laboratories located at the NIH Clinical Center in Bethesda, Maryland. The justification is that the government's market research determined Xcell Biosciences is the only source for this specific system, which uniquely integrates control of oxygen tension and pressure. Interested parties may submit a capability statement within 10 calendar days of the notice.