The United States Pharmacopeia (USP) and others, such as EP, JP, and ChP, have developed test techniques to ensure that particle counts are kept to a minimum in intravenous injections (parenteral ...

STEMart's Particulate Matter Testing uses two methods, the Light Obscuration Particle Count test and the Microscopic Particle Count test. The former test is adapted from the United States Pharmacopeia ...

The light obscuration method, shown here, is automated and may be the easiest particle-counting method. Particulates that may be present on intravenous medical devices such as guidewires, catheters, ...

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Particulate matter found in injectable drugs is measured in the visible and sub-visible ranges. In the sub-visible range, measurements are generally made by liquid particle counter, or by microscopic ...

This article outlines guidelines for the testing of high pressure gases utilized in cleanrooms according to the cleanliness limits stated in the FDA cGMP guidelines, the ISO 14644-1 cleanroom ...

As stated earlier, filtration is the mechanical or physical removal of solids from fluids (liquid or air). This is achieved when the liquid passes through a filter medium, which reduces the number of ...

Visualizing the dynamics and spatial distributions of particles yields insights into a vast array of physical and biological systems. For example, imaging fluorophore-conjugated proteins has revealed ...

Microplastics in food can now be detected in hours instead of days, thanks to a new method that improves testing accuracy.