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Current methods for determination of impurities with different charge‐to‐volume ratio are limited especially in terms of sensitivity and precision. The main goal of this research was to establish a quantitative method for determination of impurities with charges differing from that of recombinant human granulocyte colony‐stimulating factor (rhG‐CSF, filgrastim) with superior precision and sensitivity...
Instead of usual rationale for chromatographic fingerprint based sample identification which relies upon visual inspection or principal component analysis of raw or aligned chromatograms novel nonparametric statistical measure of fingerprint set homogeneity is proposed. Randomization test is applied for significance analysis of fingerprint set homogeneity while average maximum crosscorrelation is...
Thermodynamic functions related to reactions associated with formation of charged surface sites at TiO 2 /electrolyte interfaces have been measured by calorimetry and potentiometry. The calorimetry experiments were interpreted as ''symmetrycal calorimetry experiments'' yielding the difference in standard enthalpy of deprotonation and protonation of amphoteric surface sites as Δ dp...
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