This is a firm fixed-price purchase order awarded by the National Institute of Allergy and Infectious Diseases (NIAID), part of the National Institutes of Health (NIH), to Cytek Biosciences, Inc. for annual service on a Cytek Aurora cytometer system. The contract is valued at $27,178.00 and has a performance period from September 22, 2021 to September 21, 2022. Cytek Biosciences is a for-profit manufacturer of advanced flow cytometry products and services. This contract is not set aside for any small business category. The cytometer system is used by NIAID to perform cell sorting and analysis for various research projects across the NIH. Cytek is the sole provider of service and maintenance for this proprietary system.