Zobrazeno 1 - 10 of 28 pro vyhledávání: '"Sissel Hertzberg"'
1
Carotenoids of the Sponge Polymastia Granulosa (Hadromerida)
Autor: Patricia R. Bergquist, Sissel Hertzberg, Gerhard Englert, Synnøve Liaaen-Jensen
Publikováno v: Bulletin des Sociétés Chimiques Belges. 95:801-814
The background information on natural carotenoids (new aspects), NMR spectroscopy of carotenoids (present status) and sponge chemosystematics, relevant to the present study, is briefly reviewed. The quantitative carotenoid composition of Polymastia g
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::616a0b6df74350a1b595097205209bde
https://doi.org/10.1002/bscb.19860950908
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2
Enzymatic Hydrolysis of Esters of Alkali Labile Carotenols
Autor: Sissel Hertzberg, Torunn Aakermann, Synnøve Liaaen-Jensen
Publikováno v: Biocatalysis and Biotransformation. 13:157-163
Esters of alkali labile carotenols were hydrolyzed enzymatically with pig liver esterase in Tris-HCl buffer containing 10-85% methanol or acetone.The natural acetates peridinin, fucoxanthin, 19′-butanoyloxyfucoxanthin, pyrrhoxanthin and synthetic a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::df6215d126b2d9480bca8c09dbb493ec
https://doi.org/10.3109/10242429608997672
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3
Alginate as immobilization matrix and stabilizing agent in a two-phase liquid system: Application in lipase-catalysed reactions
Autor: Sissel Hertzberg, Lise Kvittingen, Thorleif Anthonsen, Gudmund Skjåk-Bræk
Publikováno v: Enzyme and Microbial Technology. 14:42-47
Alginate was evaluated as an immobilization matrix for enzyme-catalyzed reactions in organic solvents. In contrast to most hydrogels, calcium alginate was found to be stable in a range of organic solvents and to retain the enzyme inside the gel matri
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0bfb2dfce344d24e5ce3d31d1328f50c
https://doi.org/10.1016/0141-0229(92)90024-i
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5
Hydrophilic Gels as Immobilization Materials and Stabilizers for Enzyme-Catalysed Esterification in Organic Media
Autor: Thorleif Anthonsen, Sissel Hertzberg, Ole Martin Fuskevåg
Hydrophilic supports such as k-carrageenan, chitosan and a photocrosslinked polyvinylalcohol gel (alone and in mixed gels with alginate) were evaluated as supports for lipase-catalysed reactions in n-hexane. The gels provided stable two-phase liquid
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4ce437db94dc819b6e187190c594597c
https://doi.org/10.1016/b978-0-444-89046-7.50054-0
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8
On the absolute configuration of 19′-hexanoyloxyfucoxanthin
Autor: Harold W. Siegelman, Synnøve Liaaen-Jensen, T. Mortensen, Sissel Hertzberg, Gunner Borch
Publikováno v: Phytochemistry. 16:587-590
The esterifying C 6 -acid in 19′-hexanoyloxyfucoxanthin has been identified as n -hexanoic acid by GLC of the methyl ester. Ozonolysis of 19′- n -hexanoyloxyfucoxanthin 3-benzoate provided the n -hexanoyloxy derivative of the allenic ketone produ
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::24407ed42aeef3c3d3d063895237bd6b
https://doi.org/10.1016/0031-9422(77)80021-6
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