2202, 2017

Protein A Affinity Chromatography Application

Protein A affinity chromatography medium by EPRUI is based on the monodisperse porous poly (methyl methacrylate) (PMMA) microspheres as the matrix, and genetically modified protein A as the ligand, which ensures its high affinity binding of monoclonal antibodies and Fc fragment containing recombinant proteins (macromolecules). Our protein A chromatography [...]

1410, 2016

Solid Phase Extraction (SPE)

Introduction of SPE Solid-phase extraction (SPE) is a sample preparation process by which compounds that are dissolved or suspended in a liquid mixture are separated from other compounds in the mixture according to their physical and chemical properties. Analytical laboratories use solid phase extraction to concentrate and purify [...]

1110, 2016

NIST Traceable Particle Size Standards

Application 1. Size standard particles have long been used as size references to estimate the sizes of other particulates, biomolecules, and living organisms. 2. Particle size standards can also be utilized to conduct routine instrument calibration,development and testing of particle sizers, particle counters 3. Instrument QC: check for [...]