The National Institute of Allergy and Infectious Diseases (NIAID) intends to procure 500 each of the TM5501-4 TrueFect-Max for adherent or suspension cells from United Biosystems. TrueFect-Max is needed for protein production and transfection of 293-Fcells. NIAID has been using TrueFect-Max reagents for protein production for more than one (1) year to support production of the proteins that require for our protocols in the development of vaccines for HIV and other viruses. This requirement is needed for ongoing experiments where the continuity of the same reagent must be maintained to ensure experimental results are not influenced by other variables. Any other sources of TrueFect-Max will required extensive testing and delay our production of materials for vaccine development and trials. This will be a firm fixed price contract in accordance with the statutory authority for this sole source requirement 41 U.S.C. 253 (c) (1) as implemented by FAR 6.302-1 only one source available, no substitutions possible, and needed to continue on-going experiment, changes in supplies disruptive to experiment. THIS ANNOUNCEMENT CONSTITUTES THE ONLY SOLICITATION; QUOTATIONS ARE NOT BEING REQUESTED, AND A WRITTEN SOLICITATION WILL NOT BE ISSUED. The incorporated provisions and clauses are those in effect through Federal Acquisition Circular FAC 2005-71, dated November 25, 2013. The associated North American Industry Classification System (NAICS) Code is 325414, which has a size standard of 500 employees. All responsible sources who feel they can meet these requirements shall submit an offer that will be considered by the Agency. A determination not to compete this requirement, based upon responses to this notice, is solely within the discretion of the Government. Offers must be submitted no later than 5:00 P.M. Eastern Standard Time Monday, December 30, 2013 through the U.S. Postal Service at the address of NIH/NIAID/AMOB, 10401 Fernwood Road, Room 2NE52F, MSC 4811, Bethesda, MD, 20892-4811. Email and fax submissions are acceptable. Point of contact concerning this requirement is James Kish to be reached at 301-402-2282, or email at [email protected]. Collect calls will not be accepted.

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