
Processed human serum matrices,engineered for accuracy.
Purigold™ is a premium range of ethically sourced, advanced processed human serum matrices for in-vitro diagnostics, assay development and quality control.
- 4
- Matrix variants
- 0.22 µm
- Sterile filtration
- NAT-PCR
- HIV-1/2 & HCV tested
- −20 °C
- Shipped & stored frozen
Flagship
PURIGOLD™ PRIME
Double charcoal treated and delipidized for endocrine & fertility testing
- Human serum double charcoal treated and delipidized from defibrinated plasma
- Low endogenous hormone and lipid levels
- Sterile 0.22 µm filtration to ensure high purity and safety
- Comprehensive viral safety testing (HIV-1/2 and HCV, NAT-PCR)
Four matrices, four purposes
Each Purigold™ variant is processed for a specific analytical need — from native protein structure to hormone-depleted backgrounds.

BASE
Defibrinated human serum preserving native protein structure
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CLEAR
Ultra-low lipid background for crystal-clear assay optics
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PRIME
Double charcoal treated and delipidized for endocrine & fertility testing
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HI
Premium heat-inactivated human serum matrix for QC
View detailsSwipe the table sideways to see all columns.
| Variant | Processing | Best suited for | |
|---|---|---|---|
| Defibrinated human serum preserving native protein structure | Provides a reliable matrix for assays and clinical chemistry | Details | |
| Ultra-low lipid background for crystal-clear assay optics | Provides a reliable matrix for immunoassay calibration and quality control | Details | |
| Double charcoal treated and delipidized for endocrine & fertility testing | Provides a reliable matrix for endocrine and fertility testing | Details | |
| Premium heat-inactivated human serum matrix for QC | Long-term stability panels and commutability studies | Details |
PURIGOLD™ PRIME
The Purigold flagship. Double charcoal treated and delipidized from defibrinated plasma to achieve low endogenous hormone and lipid levels. Engineered for endocrine and fertility diagnostic development.

Controlled from donor to delivery
Ethical collection
Human serum sourced from screened, consented donors under controlled collection protocols.
Targeted processing
Defibrination, delipidation, charcoal stripping or heat inactivation depending on the variant.
Filtration & QC
Diafiltration and 0.22 µm sterile filtration, followed by batch release testing.
Cold-chain delivery
Frozen storage and shipment to preserve matrix integrity from batch to bench.
Why Purigold™
Viral safety tested
Every batch undergoes HIV-1/2 and HCV NAT-PCR testing for comprehensive viral safety assurance.
Sterile filtered
0.22 µm filtration delivers high purity and reliable performance across assay platforms.
Tailor-made options
Custom processed human serum matrices produced to your exact specifications on request.
Ready to discuss your matrix requirements?
Send us your specification and our team will recommend the right Purigold™ variant — or design a custom matrix for your assay.