Name Retinol-Binding Protein (RBP)
What is RBP RBP are carrier proteins that bind retinol and are used to determine visceral protein mass in health-related nutritional studies.
What is it used for RBP serum concentrations reflect the synthesis capacity of the liver and may indicate early malnutrition, acute and chronic hepatic disease, advanced chronic renal insufficiency, and cystic fibrosis.
Source Renal Failure Urine
Purity High pure (SDS-PAGE and Activity/TP ratio)
Testing method Immunoturbidimetry
Stability 1.5 years (Accelerated)
Storage 4 °C
Viral testing Negative for HBs-Ag, Anti-HCV and Anti-HIV I & II using CLIA (US-FDA approved) and for absence of viral DNA/RNA for HBV, HIV and HCV using PCR

YBL Native RBP salient features

  • Purity percentage: ≥96% purity for RBP (high pure) was observed and purity profile was checked using SDS-PAGE and Activity/TP ratio.
  • Stability data: RBP is stable for 1.5 years at 4°C based on accelerated time stability study.
  • Testing Method: Immunoturbidimetry
  • Testing Platform: Roche-cobas
  • Viral testing: The viral marker test for HBs-Ag, Anti-HCV and Anti-HIV (I and II) was done using CLIA (US-FDA Approved). The antigen was also tested for the absence of viral DNA/RNA for HBV, HIV (I) and HCV using PCR technology.

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