Sample Testing

ELISA and other orthogonal sample testing for the analysis of assay dilution linearity, spike recovery, and anti-HCP antibody coverage, as well as the identification of downstream host cell proteins that might co-purify with your product.

Ready To Get Started?

If you have questions or would like a quote, a Cygnus Technologies expert is happy to help!

Get Started

Connect with decades of experience


Explore Our Sample Testing

Sample Testing by Mass Spectrometry

Identification of host cell proteins by antibody affinity extraction (AAE) and mass spectrometry.

Sample Testing by ELISA

Routine ELISA testing including dilution linearity and spike recovery analysis.

Sample Testing by AAE

Antibody affinity extraction (AAE) for anti-HCP antibody coverage analysis.


Frequently Asked Questions

  • How do I Perform Spike & Recovery Studies?
  • What is "High Dose Hook Effect"?
  • What is Matrix Interference?
  • What is the difference in Sensitivity and Specificity of Western Blot vs ELISA?
  • Why is Dilution Linearity important?

Ready to Get Started?

lf you have questions or would like a quote, a Cygnus Technologies expert is happy to help!

Contact Us

Connect with Decades of Experience