National Institutes Of Health, National Institute Of Diabetes & Digestive & Kidney

66 -- 66-OXFORD CRYOSTREAM UNIT INCLUDING: CRYOSTREAM COLDHEAD, PROGRAMMABLE TEMPERATURE CONTROLLER, DIAPHRAGM PUMP, TUBESET AND AD CABLE, REACTIVATION HEATER AND PUMPING ADAPTER SOL NIH-NIDDK-96-185 DUE 071896 POC Desiree Kelly, Purchasing Agent 301-594-7731. The National Institutes of Health (NIH), National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) intends to purchase Laboratory Equipment from Charles Supper Company. The Institute intends to purchase laboratory equipment By Other Than Full And Open Competition from Charles Supper Company., they are recommended as the sole source for the Purchase Order. The intended source Charles Supper Company., is the exclusive distributor of the Oxford Cryostream for North American. The Oxford Cryostream Cooler is used for low temperature data collection in x-ray diffraction experiments with protein crystals. The cryostream cooler must be able to supply dry nitrogen gas stream of programmable temperature range to 375 K. The temperature controlling unit must be programmable and capable of controlling to + 0.1 K. The temperature controlling unit must be able to facilitate for temperature ramps,plateaus and combined ramps/plateaus so that automatic data collections at different temperatures can be accomplished. The temperature controlling unit must have a built in RS232 interface to allow it to be interrogated or programmed remotely. The liquid N2 usage must be approximately 0.6 1/hour or less. The cooler head must be small ((10cm diameter, (50cm long), portable, and supplied with a support stand equipped with a translation stage with adjustable angle. The cryo-transfer tubing connecting the cooler head and liquid N2 storage vessel must be flexible and 130 cm or longer. The cryostream cooler must be compatible with the existing X-ray generator, monchrometer, mirror box and detector unit, and their geometrical arrangement within a tightly confined space. All responsible sources may submit a quotation, which if timely received, shall be considered by the agency. All request for quotations must be in within the Simplified Acquisition Thershold $50,000.(See Note 22). It is anticipated that Request for Quotation (RFQ) Number NIH-NIDDK-96-185 will be available within fifteen (15) days after the publication date of this synopsis. Receipt of quotations will be due ten (10) after the release of the RFQ. The anticipated award date is July 19, 1996. Requests for copies of the RFQ must be in writing and may be requested by FAX (301)-480-4226 . Quotations must be submitted in writing to the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) The Natcher Building, Room 6AN32 45 Center Drive MSC 6600 Bethesda, MD 20892-6600 Attention: Desiree Kelly FAX quotations will only be accepted if dated and signed by an authorized company representative. (0170)

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