SoloVPE Plus Instrument

The Department of Agriculture's Animal and Plant Health Inspection Service, through its Marketing and Regulatory Programs Business Services division, is soliciting quotations for a SoloVPE Plus spectrophotometer instrument, with quotations due August 24, 2026 and questions due August 21. This is a sole-source procurement restricted to Repligen Corporation; the agency's justification states that Repligen is the sole manufacturer of this equipment and it is not available through any U.S. distributors. Market research confirmed no alternative sources or distributors exist.

Place of performance is Ames, Iowa. The instrument is required for the Center for Veterinary Biologics laboratory to analyze Monoclonal Antibody products and ensure compliance with the Virus, Serum, Toxin Act. The specification requires a SoloVPE Plus System with Viper, capable of measuring highly concentrated samples without dilution using slope-based methodology across pathlengths up to 15.000 mm with 2% RSD repeatability, wavelengths spanning 190 to 1100 nm, GMP compliance, and a Fibrette Optical component of fused silica and polyimide. Delivery is required within 60 days of award to USDA-APHIS-VS-NVSL in Ames, Iowa. The procurement includes eight contract line items: the Solo VPE Plus System with Viper, Viper Analytix Bio Process Security License, IQ/OQ GxP Version, Solo VPE Plus Valid Viper Onsite, Training (Basic, Advanced, Development), Certified Training in GXP Software, Protected POS Service Plan, and Bolt On. The NAICS code is 334516, Analytical Laboratory Instrument Manufacturing; PSC is 6640, Laboratory Equipment and Supplies. Evaluation uses a Lowest Price Technically Acceptable approach, prioritizing exact brand and model match from the OEM or authorized source, followed by lowest price and acceptable or neutral past performance. All products must be new, manufactured by Repligen or an authorized distributor, with Certificate of Conformance and complete traceability documentation.