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The HEALTH AND HUMAN SERVICES, DEPARTMENT OF | NATIONAL INSTITUTES OF HEALTH has issued a Tender notice for the procurement of a Upgrade to the Zeiss Serial Block Face Scanning Electron Microscope in the USA. This Tender notice was published on 30 Jul 2026 and is scheduled to close on 07 Aug 2026, with an estimated Tender value of Refer Document. Interested bidders can access detailed Tender information, eligibility criteria, and complete bidding documents by referencing TOT Ref No. 146184793, while the tender notice number is 75N98026Q00902 and Registering on the platform.
Procurement Summary
Country: USA
Summary: Upgrade to the Zeiss Serial Block Face Scanning Electron Microscope
Deadline: 07 Aug 2026
Posting Date: 30 Jul 2026
Other Information
Notice Type: Tender
TOT Ref.No.: 146184793
Document Ref. No.: 75N98026Q00902
Competition: ICB
Financier: Self Financed
Purchaser Ownership: Public
Tender Value: Refer Document
Purchaser's Detail
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Login to see detailsTender Details
Authority: FAR 6.302-1 - Only One Responsible Source and No Other Supplies or Services Will Satisfy Agency Requirements
Contracting Activity:
National Institute of Biomedical Imaging and Bioengineering (NIBIB)
Proposed Contractor:
Carl Zeiss
Description of Requirement
This is an upgrade to the Zeiss Serial Block Face Scanning Electron Microscope. This instrument is used to study the three-dimensional structure of cells and tissues using the serial block face (SBF) imaging technique using an ultramicrotome built into the specimen chamber of the SEM.
Justification for Sole Source
NIBIB intends to negotiate and award a sole source contract to Carl Zeiss pursuant to FAR 6.302-1, Only One Responsible Source and No Other Supplies or Services Will Satisfy Agency Requirements. The proposed upgrade is for an existing Zeiss Serial Block Face Scanning Electron Microscope (SBF-SEM) manufactured by Carl Zeiss AG. This upgrade must be carried out by the original equipment manufacturer because:
1. Proprietary Technology
o The upgrade involves proprietary hardware, software, firmware, and system integration developed exclusively by Carl Zeiss.
o The technical specifications, source code, calibration procedures, and engineering documentation necessary to perform the upgrade are not available to third-party vendors.
2. System Compatibility
o The microscope is an integrated instrument whose imaging performance depends on precise compatibility between the microscope hardware, detectors, stage controls, software, and Serial Block Face system.
o Only Carl Zeiss can ensure that the upgraded components are fully compatible with the existing instrument configuration.
3. Factory Calibration and Validation
o Following installation, the upgraded system requires factory-approved calibration, alignment, and performance verification to meet manufacturer specifications.
o These procedures require proprietary service tools, software, and tr...
Notice ID: 75n98026q00902
Department/Ind. Agency: health and human services, department of
Sub-tier: national institutes of health
Office: national institutes of health olao
Product Service Code: 6640 - laboratory equipment and supplies
NAICS Code: 334516 - Analytical Laboratory Instrument Manufacturing
Inactive Dates: aug 22, 2026
Inactive Policy: 15 days after response date
Documents
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