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For enzyme assays using cell supernatant which are slight yellow and using pnpp substrate which will also produce the yellow pnp substrate will predictably have a distortion on the absorbance. to...
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Hi, I am measuring the production of 4nitrophenol at 405nm for my enzyme assay. In the neg control (buffer + substrate) and the enzyme reaction at pH 5.5, 6.5 I observe the absorbance initially...
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Surfactants with branched chains are known to reduce surface tension more than linear chain. However to what effect does a methyl branch on a propylene carbonate have compared to ethylene carbonate?
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I have a DSC result run from -90oC to 100oC in a heat/cool/heat cycle. Tg, crystallisation and melting peaks are observed in the heat run. However the cool run, the crystallisation peaks are not...
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What are the importance of glass transition temperature to surfactant role in detergency?
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