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The effects of coacervation acidity, phase separation temperature, ionic strength, and biopolymer ratio on the viscoelasticity of the N,O-carboxymethyl chitosan (NOCC) – gum Arabic (GA) coacervate were investigated by using coacervate yield as the indicator of electrostatic interaction strength. The strongest interaction between NOCC and GA occurred at pH 3.0, whereas the highest modulus values were...
An aminopeptidase was purified from the skeletal muscle of common carp (Cyprinus carpio) to homogeneity, with 1160-fold purification and a yield of 4.3%. The purification procedure consisted of ammonium sulfate fractionation and sequential chromatographic steps, including DEAE-Sephacel, Sephacryl S-200, hydroxyapatite, Phenyl Sepharose and Macro-Prep High Q columns. The molecular mass of the enzyme...
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