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Biologic

PEG extended vs coiled 2

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Calculating the Contour Length and Hydrodynamic Radius of Polyethylene Glycol in Aqueous Solutions

This post outlines the fundamental methods for calculating the contour length—the maximum extended chain dimension—and the hydrodynamic radius, which characterizes the effective size of the solvated coil. These calculations rely on established polymer physics and empirical relations from experimental data.

Graphic of a close-up representation of phospholipids.

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What Are Phospholipids?

Phospholipids are an essential class of molecules that play a pivotal role in the structure and function of biological membranes. Learn about these molecules and how they function.

The next stop for PEGylated protein drugs: Biosimilar

Pegfilgrastim is a PEGylated form of the recombinant human granulocyte colony-stimulating factor analog filgrastim. It serves to stimulate the level of white blood cells. Pegfilgrastim has a human half-life of 15 to 80 hours, much longer than the parent filgrastim (3–4 hours). Pharma Companies & PEGylated Drug Development Multiple major pharma companies have been busy […]