This article shows how the absorbance maxima of Ponceau-S is determined over a wavelength range of 220nm to 800nm using the Eppendorf BioSpectromenter ®. The methods of analysis using this ...
Particle-based nanosensors offer a tool for determining the pH in the endosomal-lysosomal system of living cells. Measurements providing absolute values of pH have so far been restricted by the ...
ISO 21501-4 is a new type of international calibration standard that deals with periodic and performance calibration of light-scattering air particle counters (LSAPC or APC) throughout the service ...
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