# SAM #75N95B26Q00009

Neuropathological Histology Services for NIH Donor Characterization

**Buyer:** NIH Office of Logistics and Acquisition Operations
**Posted:** September 15, 2026
**Respond By:** September 25, 2026
**Identifier:** 75N95B26Q00009
**NAICS:** 621511

The National Institutes of Health (NIH), Office of the Director, Office of Logistics and Acquisition Operations, is seeking specialized histology laboratory services for neuropathological characterization of brain tissue from donors over 50 years old.
- Government Buyer:
  - National Institutes of Health (NIH)
  - Office of the Director
  - Office of Logistics and Acquisition Operations
- OEMs and Vendors:
  - Histoserv Inc. (service provider)
- Products and Services Requested:
  - Laboratory histology services including:
    - 800 Brain, H&E 1x3" slides (part number: BR001A)
    - 65 Immunochemical stain slides (part number: IS001)
      - Immunostaining for phospho-Tau, phospho-TDP-43, phospho-asynuclein, and beta-amyloid proteins
    - 3 Trimming/cassette preparations (part number: 5102)
    - 23 Slide boxes, capacity 100 (part number: M100)
- Unique Requirements:
  - Neuropathological characterization to confirm neurotypical status and absence of degenerative neuropathology in donors over 50 years old
  - Digital preservation of slides
  - Services must be performed by a laboratory with expertise in neurodegenerative disease protein immunostaining
  - Set aside for small business under NAICS 621511
  - Delivery to NIH Bethesda, MD

### Description

NIMH: Services: Laboratory Services: N/A<br/>To complete the neuropathological characterization of donors older than 50 years of age to ensure that donors classified as neurotypical controls are indeed free of degenerative neuropathology

[View original listing](https://sam.gov/opp/5bc2112d8d444a7388e22e84bc9c5d93/view)