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NIST Spectroscopic Measurement Standards.

Biopharm Int 2018 ;31(4):22-34

is group leader bioassay methods, and are research chemists; and are research biologists; is summer student; and is director, Office of Reference Materials-all are at NIST.

Ultraviolet (UV) absorbance measurements provide a rapid and reliable method to determine protein concentrations. the National Institute of standards and technology (NIST) has developed as a pathlength standard for UV absorbance measurements for use with the new generation of microvolume spectrophotometers and short-pathlength cuvettes. short pathlengths are used with high-concentration targets to ensure that absorbance values are within the optimal range. Read More

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January 2018
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