Search Results - "Kiehl, Douglas E"

The role of mass spectrometry and related techniques in the analysis of extractable and leachable chemicals by Sica, Vincent P., Krivos, Kady L., Kiehl, Douglas E., Pulliam, Christopher J., Henry, Ian D., Baker, Timothy R.

“…In addition to degradation products, impurities, and exogenous contaminants, industries such as pharmaceutical, food, and others must concern themselves with…”
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Facile synthesis of tilmicosin and tylosin related haptens for use as protein conjugates by Creemer, Lawrence C, Beier, Ross C, Kiehl, Douglas E

“…Synthesis is described for the haptens 23-demycinosyl-23-deoxy-23-(3-aminoprop-1-yl)-aminotilmicosin (6) from 5-O-mycaminosyltylonolide (OMT) and for…”
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Genetic engineering of aminodeoxyhexose biosynthesis in Streptomyces fradiae by Cundliffe, Eric, Butler, Andrew R, Kiehl, Douglas E, Kirst, Herbert A, Bate, Neil

“…The antibacterial properties of macrolide antibiotics (such as erythromycin, tylosin, and narbomycin) depend ultimately on the glycosylation of otherwise…”
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Identification and Synthesis of an Oxidation Product of Tilmicosin by Willard, Kevin E, Kirst, Herbert A, Leeds, James P, Readnour, Robin S, Klink, Paul R, Cleveland, Christine M, Kiehl, Douglas E

“…During formulation development of the veterinary macrolide antibiotic tilmicosin, an oxidation product of the parent molecule was identified. Use of liquid…”
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Electrospray ionization mass spectrometry with in-source collision-induced dissociation of monensin factors and related metabolites by Kiehl, Douglas E., Julian, Jr, Randall K., Kennington, Allison S.

“…Monensins are a series of polyether ionophore antibiotic factors produced by Streptomyces cinnamonensis. Three monensin factors and four metabolites of…”
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Separation and characterization of the tryptic peptide mapping of recombinant bovine growth hormone by reversed-phase high-performance liquid chromatography electrospray mass spectrometry by Chang, Jen P., Kiehl, Douglas E., Kennington, Allison

“…Reversed phase high‐performance liquid chromatography (RPHPLC) coupled with electrospray ionization mass spectrometry (ESI‐MS) was used to separate and…”
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Analysis of tilmicosin in swine liver extracts by liquid chromatography/atmospheric pressure chemical ionization mass spectrometry by Kiehl, D E, Kennington, A S

“…Tilmicosin is a semisynthetic macrolide antibiotic used in the treatment of respiratory disease in cattle and swine. The technique of liquid…”
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Improved potency assay for recombinant bovine somatotropin by high-performance size-exclusion chromatography by Chang, Jen P., Ferguson, Thomas H., Record, Paul A., Dickson, David A., Kiehl, Douglas E., Kennington, Allison S.

“…A high-performance size-exclusion chromatographic method was developed for the determination of potency of recombinant bovine somatotropin (rbST) monomer and…”
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