Contract · Federal

Notice of Intent to Sole Source - Metaphase Chromosome Harvesters

Agency: DEPT OF DEFENSE / DEFENSE HEALTH AGENCY (DHA)
Location: Bethesda, MD
Amount: Amount not listed
Posted: Sep 9, 2026
Set-aside: None (open competition)
NAICS code: 334516 look up NAICS codes
PSC code: 6640

Timeline

Posted

Sep 9, 2026
Status

Closing soon

What contracts like this typically pay

No award history yet for this category (NAICS 334516).

What this contract is for

Agency: DEPT OF DEFENSE / DEFENSE HEALTH AGENCY (DHA)
Location: Bethesda, MD
NAICS: 334516
Scope: Federal

The Defense Health Agency Contracting Activity (DHACA) in Fort Detrick, MD intends to negotiate on a sole source basis (IAW RFO 12.102(a)) with ADS BIOTEC INC 5781 Van Allen Way, Carlsbad, CA 92008 as the only responsible source that can provide the delivery and installation of one (1) Card Processing Automation CPA200™ instrument.

This is a Presolicitation notice in accordance with RFO 5.101.

The equipment provided by ADS BIOTEC INC is the only source that provides DHACA with the delivery and installation of two (2) Metaphase Chromosome Harvesters instrument. used at the Armed Forces Radiobiology Research Institute (AFRRI) to support their mission.

AFRRI has been requested by the Defense Health Agency (DHA) to set up a multiple parameter biodosimetry network including the ability to assess radiation exposure using cytogenetic biodosimetry.

Typically, blood samples are received by the Cytogenetic Biodosimetry Laboratory, and a blood culture is set up for a 48-h incubation at 37?

37oC where lymphocytes are stimulated to divide using a mitogen.

The harvest of these 48-h culture involves a series of laborious steps including: a) centrifugation to pellet cells, b) aspiration of the supernatant, c) addition of hypotonic solution to cell to lysis RBCs for a define time, c) vortexing to mix cultures, d) repeated centrifugation to pellet cells, e) aspiration of the supernatant, f) addition of Carnoy Solution to wash cells g) vortexing of the samples, h) centrifugation of the solution, i) aspiration of the supernatant, and repeating twice again steps g, h, and I for multiple culture samples.

These manual steps typically take approximately 2 h.

This acquisition is being conducted under simplified acquisition procedures.

There are no set-aside restrictions for this requirement.

The intended...

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