Search Results - "Perlin, Arthur S."

Glycol-Cleavage Oxidation by Perlin, Arthur S.

“…This chapter provides an overview of glycol-cleavage oxidation. Carbohydrates provide a profusion of compounds that contain hydroxyl groups on two or more…”
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Study of disaccharide conformation by measurements of nuclear Overhauser enhancement, relaxation rates, and carbon-13-proton coupling: 1,6-anhydro-.beta.-cellobiose hexaacetate by Dais, Photis, Shing, Tony K. M, Perlin, Arthur S

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Evidence of a selective free radical degradation of heparin, mediated by cupric ion by Liu, Z, Perlin, A S

“…A free radical reaction generated by a mixture of Cu2+, hydrogen peroxide, and ascorbate causes an abrupt reduction in the anti Xa activity of heparin by about…”
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Stereochemistry of the N-methyl group in salts of tropane alkaloids by Glaser, Robert, Peng, Qin Ji, Perlin, Arthur S

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Chitosan N-sulfate. A water-soluble polyelectrolyte by Holme, Kevin R., Perlin, Arthur S.

“…Chitosans having degrees of acetylation (da) of 0.04, 0.10, and 0.22, respectively, were N-sulfated under a variety of reaction conditions. The derivatives…”
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Structural features of sulfated glycans from the tunic of Styela plicata (Chordata-Tunicata). A unique occurrence of L-galactose in sulfated polysaccharides by Mourão, P A, Perlin, A S

“…The sulfated polysaccharides in the tunic of Styela plicata occur as three fractions that differ markedly in molecular mass and chemical composition. The…”
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Boron enolates in stereoselective syntheses of 2-enitols from O-benzyl aldoses by reaction with borohydride in 2-propanol. Configuration of E and Z enols from proton relaxation rates by Rao, Vanga S, Perlin, Arthur S

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Disproportionation of aryl alcohols and cis to trans isomerization of styryl derivatives on palladium/carbon catalyst by Rao, Vanga S, Perlin, Arthur S

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Monitoring the purity of pharmaceutical heparin preparations by high-field 1H-nuclear magnetic resonance spectroscopy by Neville, G A, Mori, F, Holme, K R, Perlin, A S

“…High-field (300 MHz) 1H NMR spectral analyses are reported for various sodium or calcium heparin products available on the Canadian market. Dermatan sulfate…”
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Heparin in molluscs: chemical, enzymatic degradation and 13C and 1H n.m.r. spectroscopical evidence for the maintenance of the structure through evolution by Dietrich, C P, Nader, H B, de Paiva, J F, Santos, E A, Holme, K R, Perlin, A S

“…The structural features and anticoagulant activity of heparins isolated from three species of molluscs (Anomalocardia brasiliana, Donnax striatus and Tivela…”
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Nuclear magnetic resonance spectra of heparin in admixture with dermatan sulfate and other glycosaminoglycans. 2-D spectra of the chondroitin sulfates by Holme, K R, Perlin, A S

“…Characteristics of the 1H-n.m.r. spectra of heparin admixed with other glycosaminoglycans are described with respect to the identification of the latter as…”
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Regioselectivity in the sulfation of some chemically-modified heparins, and observations on their cation-binding characteristics by Liu, Z, Perlin, A S

“…Two modified forms of heparin, polymers A and B, have been prepared, one containing residues of nonsulfated alpha-L-idopyranosyluronic acid (3) and the other…”
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N.m.r. spectroscopic observations related to the function of sulfate groups in heparin. Calcium binding vs. biological activity by Ayotte, L, Perlin, A S

“…Chemically-modified heparins containing different combinations of N- and O-sulfate groups were prepared. Characterized by high field 1H- and 13C-n.m.r…”
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Formation of disaccharides related to heparin and heparan sulfate by chemical modification of maltose by Glushka, J N, Perlin, A S

“…Maltose has been converted into 4-O-(2-amino-2-deoxy-alpha-D-glucopyranosyl)-L-idopyranuronic acid,…”
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Marked stereoselectivity in the binding of copper ions by heparin. Contrasts with the binding of gadolinium and calcium ions by Rej, R N, Holme, K R, Perlin, A S

“…Heparin forms a complex with cupric ion (Cu2+) at a level of less than or equal to 10(-3) mol of the metal ion per dimeric unit of the polymer, as evidenced by…”
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A selective, copper-mediated reduction in the anti Xa activity of heparin by Liu, Z C, Perlin, A S

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Sulfation of some chemically-modified heparins. Formation of a 3-sulfate analog of heparin by Rej, R N, Ludwig-Baxter, K G, Perlin, A S

“…A modified form of heparin containing residues of nonsulfated alpha-L-idopyranosyluronic acid (7) in place of the normal 2-sulfate (1) was sulfated with sulfur…”
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Regioselectivity in the sulfation of dermatan sulfate and methyl 4,6-O-benzylidene-alpha-D-idopyranoside by Ludwig-Baxter, K G, Liu, Z C, Perlin, A S

“…The sulfation of dermatan sulfate by SO3-trimethylamine in N,N-dimethylformamide led to substitution initially at HO-6 of residues of…”
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Proton spin-lattice relaxation rates in the structural analysis of carbohydrate molecules in solution by Dais, P, Perlin, A S

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Dermatan sulfate of porcine mucosal tissue. n.m.r. observations on its separation from heparin with the aid of heparinase, and its degradation by chondroitinase by Ludwig-Baxter, K G, Perlin, A S

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