The Department of Health and Human Services, specifically the National Institutes of Health (NIH), intends to award a sole source contract for reagents and consumables to STEMCELL Technologies Inc. for use with the RoboSep™-S Cell Separator Systems at the NIH Clinical Center in Bethesda, Maryland. The procurement includes specific items such as the EasySep HLA Chimerism WB Myeloid Positive Selection kit, the EasySep HLA Chimerism WB CD3 Positive Selection kit, and RoboSep Filter Tip Racks, which are critical for separating cell populations in allogeneic transplant patients to assess engraftment status. Interested vendors capable of providing equivalent products may submit a capability statement by the specified deadline, with inquiries directed to Kimala Winfield at kimala.winfield@nih.gov or Malinda Dehner at dehnerm@cc.nih.gov. The acquisition falls under NAICS code 325414, and the total purchase order will not exceed the simplified acquisition threshold.