My drug failed a light-obscuration test, but after I filtered the drug for microscopic particle counting, I couldn?t see any significant particulate on the filter. What might have caused the failure, ...

STEMart, a US-based provider of comprehensive services for all phases of medical device development, is proud to announce the launch of its new Particulate Matter Testing Services, offering a wide ...

An update to USP<1788> Methods for Determination of Subvisible Particulate Matter was released in May 2021. Its goal is to assist in the support and clarification of the information provided in ...

On-site oil testing is the usual practice. Testing is performed to make quick decisions regarding machinery quality based on the particle count. As a result of this, Automated Particle counters have ...

Effective contaminant monitoring in hydraulic fluids is essential for system performance and longevity. Traditional methods like light obscuration (ISO 11171) measure particle size but lack shape ...

Automated Particle Counters (APCs) calibrated with Medium Test Dust (MTD) have historically set the benchmark for fuel and lubrication cleanliness testing. This calibration method is based on ISO ...

USP chapter <787>, Subvisible Particulate Matter in Therapeutic Protein Injections, became official August 1, 2014 and provides specific guidance for testing the final dose form of protein-based ...