Meeting USP Standards for Subvisible Particulate Matter with FlowCam LO

Light Obscuration Method

This document provides a thorough review of how the LO module in FlowCam LO meets the compendial requirements and recommended USP standards for the light obscuration method.  

References are made to:

  • USP <787> Particulate Matter in Therapeutic Protein Injections
  • USP <788> Particulate Matter in Injections
  • USP <789> Particulate Matter in Ophthalmic Solutions
  • USP <1788> Methods for the Determination of Particulate Matter in Injections and Ophthalmic Solutions, specifically:
    • <1788.1> Light Obscuration Method for the Determination of Subvisible Particulate Matter>

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