Search Results - "Bartner, P"

Electrospray ionization mass spectrometry for the study of non-covalent complexes: an emerging technology by Pramanik, Birendra N., Bartner, Peter L., Mirza, Urooj A., Liu, Yan-Hui, Ganguly, Ashit K.

“…The detection of non‐covalent complexes in the mass range 19000–34000 Da, using electrospray ionization mass spectrometry (ESI‐MS), is reviewed. The examples…”
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Synthesis of heterocyclic compounds using radical reactions by Ganguly, A.K., Wang, C.H., David, M., Bartner, P., Chan, T.M.

“…A generalised radical reaction has been used to synthesise heterocyclic compounds which could serve as ligands for drug discovery. Attempt also have been made…”
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Sch 486058: A Novel Cyclic Peptide of Actinomycete Origin by Puar, M S, Chan, T M, Delgarno, D, Barrabee, E, Hallade, M, Das, P, Bartner, P, Liu, Y H, Ing, Y H, Pramanik, B, Patel, M

“…The structure of a novel cyclic peptide (1) produced by Actinomycete sp. has been assigned on the basis of extensive NMR and mass spectral data…”
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Sch 40832: a novel thiostrepton from Micromonospora carbonacea by Puar, M S, Chan, T M, Hegde, V, Patel, M, Bartner, P, Ng, K J, Pramanik, B N, MacFarlane, R D

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High-resolution LC/MS for analysis of minor components in complex mixtures: negative ion ESI for identification of impurities and degradation products of a novel oligosaccharide antibiotic by Shipkova, Petia A., Heimark, Larry, Bartner, Peter L., Chen, Guodong, Pramanik, Birendra N., Ganguly, Ashit K., Cody, Robert B., Kusai, Akihiko

“…High‐resolution mass spectrometry has been routinely used for structural confirmation and identification; however, it has mostly been applied to relatively…”
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Structural characterization of the oligosaccharide antibiotics everninomicins by negative ion FAB and ESI/MS by Pramanik, B N, Shipkova, P A, Bartner, P L, Heimark, L, Liu, Y H, Das, P R, Saksena, A K, Sarre, O Z, Girijavallabhan, V M, Ganguly, A K

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Bacterial phospholipid analysis by fast atom bombardment mass spectrometry by Pramanik, B N, Zechman, J M, Das, P R, Bartner, P L

“…The structural analysis of naturally occurring bacterial phospholipids in mixtures by fast atom bombardment (FAB) mass spectrometry are reported. The bacterial…”
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Special techniques of fast atom bombardment mass spectrometry for the study of oligosaccharide containing macrotetronolide antibiotic, kijanimicin by Pramanik, B N, Mallams, A K, Bartner, P L, Rossman, R R, Morton, J B, McGlotten, J H

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Rabbit and human liver contain a novel pentacyclic triterpene ester with acyl-CoA: cholesterol acyltransferase inhibitory activity by TABAS, I, LI-LING CHEN, ZIPKIN, R. E, BOYKOW, G, VITA, G, TALL, A. R, CLADER, J. W, MCPHAIL, A. T, BURNETT, D. A, BARTNER, P, DAS, P. R, PRAMANIK, B. N, PUAR, M. S, FEINMARK, S. J

“…Acyl-coenzyme A (CoA):cholesterol acyltransferase (ACAT) catalyzes the intracellular fatty acid esterification of cholesterol and is thought to play a key role…”
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Rapid cyclopeptide analysis by microwave enhanced Akabori reaction by Pramanik, Birendra N., Ing, Yao Hain, Bose, Ajay K., Zhang, Li-Kang, Liu, Yan-Hui, Ganguly, Subhendu N., Bartner, Peter

“…The application of microwave assisted modification of the Akabori hydrazinolysis reaction has been found to cleave cyclic oligopeptides in a selective fashion…”
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Microwave‐enhanced enzyme reaction for protein mapping by mass spectrometry: A new approach to protein digestion in minutes by Pramanik, Birendra N., Mirza, Urooj A., Ing, Yao Hain, Liu, Yan‐Hui, Bartner, Peter L., Weber, Patricia C., Bose, Ajay K.

“…Accelerated proteolytic cleavage of proteins under controlled microwave irradiation has been achieved. Selective peptide fragmentation by endoproteases trypsin…”
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The use of fast atom bombardment mass spectrometry for the determination of structures of everninomicins by Ganguly, A K, Pramanik, B N, Girijavallabhan, V M, Sarre, O, Bartner, P L

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Structure elucidation of Sch 49088, a novel everninomicin antibiotic containing an unusual hydroxylamino-ether sugar, everhydroxylaminose by Saksena, Anil K., Jao, Edwin, Murphy, Bruce, Schumacher, Doris, Chan, Tze-Ming, Puar, Mohindar S., Jenkins, John K., Maloney, Donal, Cordero, Mayra, Pramanik, Birendra N., Bartner, Peter, Das, Pradip R., McPhail, Andrew T., Girijavallabhan, V.M., Ganguly, Ashit K.

“…Degradation of Sch 49088 ( 1) provided a novel, highly functionalized O-substituted hydroxylamine-containing sugar, everhydroxylaminose 11 isolated as a β-OMe…”
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Structure elucidation of everninomicin-6, a new oligosaccharide antibiotic, by chemical degradation and FAB-MS methods by Bartner, Peter, Pramanik, Birendra N., Saksena, Anil K., Liu, Yan-Hui, Das, Pradip R., Sarre, Olga, Ganguly, Ashit K.

“…The structural characterization of a new oligosaccharide antibiotic, Everninomicin-6 (EV-6), is described. Detailed fast-atom bombardment mass spectrometry…”
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Microwave enhanced Akabori reaction for peptide analysis by Bose, Ajay K, Ing, Yao Hain, Lavlinskaia, Nina, Sareen, Chaitanya, Pramanik, Birendra N, Bartner, Peter L, Liu, Yan-Hui, Heimark, Larry

“…The Akabori reaction, devised in 1952 for the identification of C-terminus amino acids, involves the heating of a linear peptide in the presence of anhydrous…”
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Rabbit and human liver contain a novel pentacyclic triterpene ester with acyl-CoA:cholesterol acyltransferase inhibitory activity by Tabas, I, Chen, Li-Ling, Clader, J W, McPhail, A T, Burnett, DA, Bartner, P, Das, PR, Pramanik, B N, Puar, MS

“…Acyl-coenzyme A (CoA):cholesterol acyltransferase (ACAT) catalyzes the intracellular fatty acid esterification of cholesterol and is thought to play a key role…”
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Multiple-stage mass spectrometric analysis of complex oligosaccharide antibiotics (everninomicins) in a quadrupole ion trap by Chen, Guodong, Pramanik, Birendra N, Bartner, Peter L, Saksena, Anil K, Gross, Michael L

“…Electrospray ionization (ESI) quadrupole ion-trap tandem mass spectrometry (MS/MS) was utilized to characterize a class of complex oligosaccharide antibiotics…”
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Isolation and structure of an antifungal, Sch 40873 by Hegde, Vinod R, Patel, Mahesh G, Wittreich, Helmut, Gullo, Vincent P, Bartner, Peter, Puar, Mohindar S

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Multistep bioconversion of 20-deoxo-20-dihydro-12,13-deepoxy-12,13-dehydrorosaranolide to 22-hydroxy-23-O-mycinosyl-20-deoxo-20-dihydro-12,13-deepoxy-rosaramicin by Lee, B K, Puar, M S, Patel, M, Bartner, P, Lotvin, J, Munayyer, H, Waitz, J A

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