Download e-book for iPad: Chromatography of Pharmaceuticals. Natural, Synthetic, and by Satinder Ahuja

By Satinder Ahuja

ISBN-10: 0841213682

ISBN-13: 9780841213685

ISBN-10: 0841224986

ISBN-13: 9780841224988

content material: Chromatography and pharmaceutical research / Satinder Ahuja --
Chromatography and new drug improvement / Satinder Ahuja --
exchange techniques for research of prescription drugs / John A. Adamovics and Kimberly Shields --
Ruggedness of impurity determinations in prescribed drugs : high-performance liquid chromatography research with ultraviolet detection / M.P. Newton, John Mascho, and Randy J. Maddux --
High-performance liquid chromatography in pharmaceutical improvement of antibiotic items / L.J. Lorenz --
gasoline chromatography and pharmaceutical analyses / Harold M. McNair and Ketan M. Trivedi --
gasoline chromatography and mass spectrometry of Erythrina alkaloids from the foliage of genetic clones of 3 Erythrina species / Lori D. Payne and Joe P. Foley --
constructing stereoselective high-performance liquid chromatographic assays for pharmacokinetic reports / Irving W. Wainer --
Direct enantiomeric separation and research of a few aromatase inhibitors on cellulose-based chiral desk bound stages / Hassan Y. Aboul-Enein --
Chromatographic research of host-cell protein impurities in prescription drugs derived from recombinant DNA / Donald O. O'Keefe and Mark L. Will --
Binding proteins in improvement of online postcolumn response detection platforms for liquid chromatography / Minas S. Barbarakis and Leonidas G. Bachas --
selection of a brand new oral cephalosporin in organic fluids : liquid chromatographic, ultraviolet, and mass spectrometric equipment / Hwai-Tzong Pan, Pramila Kumari, and Chin-Chung Lin --
medicinal drugs and metabolites in organic fluids : computerized research via laboratory robotics / Linda A. Brunner --
Preparative separations of glycerophospholipids through high-performance liquid chromatography / J.V. Amari and P.R. Brown --
Small-molecule pharmaceutical separations through capillary electrophoresis : technique improvement and manipulation of selectivity / Michael E. Swartz and John VanAntwerp.

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Additional resources for Chromatography of Pharmaceuticals. Natural, Synthetic, and Recombinant Products

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W. Wuis, E . W. Beneken Kolmer, L . E . Van Beijsterveldt, R. C. Burgers, T. B. Vree and E . van der Kleyn, J. , 415, 419 (1987). H . Spahn, D. Krauβ, and E . Mutschler, Pharm. , 5, 107 (1988). ; ACS Symposium Series; American Chemical Society: Washington, DC, 1992. Chapter 3 Alternate Strategies for Analysis of Pharmaceuticals John A. ch003 Cytogen Corporation, Princeton, NJ 08540-5309 An increasingly popular chromatographic technique is to use unbonded silica gel column with aqueous mobile phases.

This has also been observed for other acidic drugs such as aspirin, ibuprofen and naproxen (1). Retention of neutral compounds such as steroids are not affected by changes in pH (25). Ionic Strength. When the ionic strength of this eluent is increased by the addition of ammonium phosphate, the basic analytes show the most significant decreases in retention. Aztreonam shows only a slight decrease in retention as depicted in Figure 4. For neutral compounds no apparent changes in retention are observed (25).

This stability issue often dictates using special or very conservative sample handling procedures rather than those used for common stable pharmaceutical substances. Elaborate refrigerated sampling equipment and automated robotic sample processing are commonly used to accommodate these special needs for antibiotic substance evaluation. ; ACS Symposium Series; American Chemical Society: Washington, DC, 1992. 5. ch005 Simple, rugged assays are desired for the assay and evaluation of antibiotic products.

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Chromatography of Pharmaceuticals. Natural, Synthetic, and Recombinant Products by Satinder Ahuja

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