Mahatam Singh | Researchain

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Heterocycles | 2002

Aqueous Photolysis of 14C-BAS 654 H under Artificial Sunlight

Mahatam Singh; Connie Mills; Dave G. Bolin

Photolysis of 1 4 C-BAS 654 H (pyridine and phenyl labels) was conducted in aqueous buffers of pH 5, 7 and 9 at 22 ′ 1° C under sterile conditions using artificial sun light source. BAS 654 H degraded photolytically to a number of products as shown in Scheme 3. Identity of the photo degradation products was established employing HPLC co-chromatography with reference standards and/or spectral data (MS and 1 H-NMR).

Canadian Journal of Chemistry | 1981

Studies related to biological detoxification of kraft pulp mill effluent. I. The biodegradation of dehydroabietic acid with Mortierella isabellina

James P. Kutney; Mahatam Singh; Gary M. Hewitt; Phillip J. Salisbury; Brian R. Worth; James A. Servizi; Dennis W. Martens; Robert W. Gordon

Applied and Environmental Microbiology | 1988

Biotransformation of Dehydroabietic, Abietic, and Isopimaric Acids by Mortierella isabellina Immobilized in Polyurethane Foam

James P. Kutney; Jean-Daniel Berset; Gary M. Hewitt; Mahatam Singh

Applied and Environmental Microbiology | 1985

Biotransformation of dehydroabietic acid with resting cell suspensions and calcium alginate-immobilized cells of Mortierella isabellina.

James P. Kutney; L S Choi; Gary M. Hewitt; P J Salisbury; Mahatam Singh

Helvetica Chimica Acta | 1983

Studies Related to Biological Detoxification of Kraft Pulp Mill Effluent. IV.The Biodegradation of 14‐Chlorodehydroabietic Acid with Mortierella isabellina

James P. Kutney; Eugene Dimitriadis; Gary M. Hewitt; Philip J. Salisbury; Mahatam Singh; James A. Servizi; Dennis W. Martens; Robert W. Gordon

Helvetica Chimica Acta | 1982

Studies Related to Biological Detoxification of Kraft Pulp Mill Effluent. III. The Biodegradation of Abietic Acid with Mortierella isabellina

James P. Kutney; Eugene Dimitriadis; Gary M. Hewitt; Mahatam Singh; Brian R. Worth

Canadian Journal of Chemistry | 1981

Studies related to biological detoxification of Kraft pulp mill effluent. II. The biotransformation of isopimaric acid with Mortierella isabellina

James P. Kutney; Mahatam Singh; Eugene Dimitriadis; Gary M. Hewitt; Philip J. Salisbury; Brian R. Worth; James A. Servizi; Dennis W. Martens; Robert W. Gordon

Heterocycles | 1988

Alkaloid Production in Catharanthus roseus (L.) G. Don Cell Cultures. XVI. Biotransformation of 3',4'-Anhydrovinblastine with Catharanthus roseis Cell Cultures and Enzyme Systems

James P. Kutney; Bruno Botta; Camille A Boulet; Carlos Alberto Buschi; Lewis S. L. Choi; Jerzy Golinski; Maria Gumulka; Gary M. Hewitt; Gin Lee; Michael McHuge; Jun Nakano; Tamotsu Nikaido; Jun-ichi Onodera; Ileana Perez; Philip J. Salisbury; Mahatam Singh; Roger Suen; Hiroki Tsukamoto

Helvetica Chimica Acta | 1983