Custom Services
Whether you need custom biologicals, specialized processing, or access to capabilities you don’t have internally, our experienced team works with you to deliver reliable, high-quality solutions. Our services are backed by 70+ years of biological manufacturing experience, ISO 9001-certified facilities, and comprehensive in-house quality control capabilities.
Explore our featured services below or send us a message to learn how Pel-Freez can support your project.
All Services
-
Custom Antibody and Antiserum Production
Our U.S.-based antibody services are backed by decades of rabbit immunization and production expertise. Choose our standard polyclonal antiserum service or add ELISA testing, affinity purification, IgG fractionation, Protein A purification, and more.
-
Custom Immunodepletion Services
We offer selective immunodepletion to remove interfering IgG/IgM/IgA from donor serum while preserving complement activity, helping vaccine developers generate reliable hSBA results from otherwise unusable samples.
-
Complement (CH50) Testing
Quantify complement activity in donor samples or assess real-time stability of key sera lots for long-term clinical research studies using our validated, in-house CH50 testing service.
-
Lyophilization
In-house lyophilization services for liquids and powders. From small batch to 250 L per batch.
-
Filtration
Sterile and non-sterile filling up to 220 L with multiple options for heat-inactivation, delipidization, etc.
-
Custom Tissue Extractions and Procurement
Extensive history supplying custom animal tissues for academic and clinical research, drug development, and more. Whole blood, serum, and plasma collected on-site. Custom protocols available upon request. Acetone and ethanol-based extracts produced on-site in explosion proof, vented laboratory.
-
Blood Fractionation
Experts in protein purification from blood including gamma globulins and albumins using a variety of protein fractionation methods.
-
Custom Biospecimen Procurement
Go beyond our catalog with custom biospecimens for research, backed by 70+ years of experience in biological manufacturing.
Our Facilities
- 40,000 square feet of ISO 9001-certified manufacturing space.
- Largest rabbit abattoir in the U.S. with full-time USDA inspection on-site.
- 40 acres of company-operated farms.
- Full suite of in-house quality control capabilities including: HPLC, SPE. IEP, SDS-PAGE, spectrophotometry, endotoxin (LAL) and coagulation testing.
- Close relationship with the University of Arkansas - our nearby, flagship research campus provides additional access to significant technical facilities and expertise.
- 110 full-time employees and growing.