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Tetracyclines
Items for "Tetracyclines"
Novel Insight into the Protonation–Deprotonation Equilibria of Tetracycline, Sancycline and 10-Propoxy-Sancycline in Aqueous Solution. I. Analysis of the pH-Dependent UV/vis Absorption Spectra by the SVD Technique
The UV/vis absorption spectra recorded during titration experiments (pH2 ↔ pH11, ΔpH ∼ 0.33) were subjected to a principal component analysis...
Keywords: Tetracyclines, UV/vis Absorption, pH-Titration, Single Value Decomposition (SVD), Acidity Constants
04/2006 | Zeitschrift für Physikalische Chemie, Oldenbourg WissenschaftsverlagNovel Insight into the Protonation–Deprotonation Equilibria of Tetracycline and Several Derivatives in Aqueous Solution.
In a recent publication (M. O. Schmitt and S. Schneider [1], Z. Phys. Chem. 220 (2006) 441), we have shown that the principal component analysis of the sets of absorption spectra recorded during a titration cycle (pH2 ↔ pH11) generally yields more than four significant eigenvectors and thus provides evidence for conformational changes at various pH-levels...
Keywords: Tetracyclines, Fluorescence, pH-Titration, Singular Value Decomposition (SVD), Acidity Constants
02/2007 | Zeitschrift für Physikalische Chemie, Oldenbourg Wissenschaftsverlag