The National Institute of Standards and Technology (NIST) is seeking information from qualified sources regarding the procurement of a new Raman Spectrometer, intended for rapid in-line and on-line measurements of mammalian cell cultures and protein biologics. The instrument must meet specific technical requirements, including compatibility with Ambr bioreactors, automated operation, and the ability to measure various parameters such as protein concentration, glucose, lactate, pH, and cell viability, among others. This Sources Sought Notice is part of NIST's market research efforts to identify potential suppliers and does not constitute a solicitation for proposals. Interested parties are encouraged to submit their capabilities and relevant information to Rudolph Spencer at rudolph.spencer@nist.gov by the specified response date, with a potential Request for Quotation anticipated in the fourth quarter of FY25.