Die Erfassung von Bestrahlungsprodukten mittels peroxydatisch wirkender Fermente

Aebi, H.; Gressly, R.; Oestreicher, R.; Zuppinger, A

doi:10.1002/hlca.19590420724

Cited by 13 publications

(2 citation statements)

References 13 publications

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“…H202 was determined as described by Aebi et al (1959) with Ti2(SO4)3 and H2SO4. Identification ofcellobionic acid (a) Cellobiose (20,umol) was allowed to react with phenazine methosulphate (5 ,umol) and enzyme in the air at 300 C. The extent of reaction was controlled by constant-volume manometry.…”

Section: Methodsmentioning

confidence: 99%

Characterization of a cellobiose dehydrogenase in the cellulolytic fungus Sporotrichum (Chrysosporium) thermophile

Coudray¹,

Canevascini²,

Meier³

1982

Biochemical Journal

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An extracellular enzyme from culture filtrates of Sporotrichum (Chrysosporium) thermophile (A.T.C.C. 42 464) after growth on cellulose or cellobiose was shown to oxidize cellobiose to cellobionic acid in vitro. Lactose and cellodextrins were also efficiently oxidized, but the enzyme was not active against most mono- and di-saccharides. Several redox substances could act as electron acceptors, but molecular oxygen, tetrazolium salts and NAD(P) were not reduced. Activity was stimulated up to 2-fold in the presence of 0.05 M-Mg2+. The pH optimum of the enzymic reaction was acidic when the activity was tested with dichlorophenol-indophenol or Methylene Blue, but was neutral to alkaline for 3,5-di-t-butyl-1,2-benzoquinone or phenazine methosulphate as electron acceptors. As the enzyme was formed inductively in parallel with the endocellulase, its possible function in relation to cellulolysis is discussed.

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Section: Methodsmentioning

confidence: 99%

Characterization of a cellobiose dehydrogenase in the cellulolytic fungus Sporotrichum (Chrysosporium) thermophile

Coudray¹,

Canevascini²,

Meier³

1982

Biochemical Journal

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“…Initial rates of hydrogen peroxide production were measured by a modification (McEwen, 1965a) of the o-dianisidine-peroxidase assay for hydrogen peroxide concentrations in tissues (Aebi et al, 1959). As previously described (McEwen et al, 1968), the coupled assay had no effect upon maximal velocities of substrate oxidations, but o-dianisidine was found to be a competitive inhibitor.…”

Section: Methodsmentioning

confidence: 99%

Human liver mitochondrial monoamine oxidase. II. Determinants of substrate and inhibitor specificities

McEwen¹,

Sasaki²,

Jones³

1969

Biochemistry

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Selektivität und typische Reaktionsmechanismen in der Strahlenchemie

Schenck

1960

Zeitschrift für Elektrochemie, Berichte der Bunsengesellschaft

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Die Selektivität strahlenchemischer Reaktionssysteme wird durch die physikalische Selektion der strahlen‐chemischen Initiation und durch die chemische Selektion der Folgeprozesse verursacht und läßt sich durch Änderung der Zusammensetzung der Reaktionssysteme stark beeinflussen.Erforschung und Systematik strahlenchemischer Umwandlungen und Mechanismen verlangen begriffliche und experimentelle Unterscheidung zwischen den über (mono‐ oder bi‐)radikalische Zwischenstoffe ablaufenden eigentlichen strahlenchemischen Reaktionssequenzen und den Nachreaktionen, zwischen direkten und indirekten, simultanen und sukzessiven strahlenchemischen Umwandlungen.Die Haupttypen strahlenchemischer Reaktionsmechanismen ergeben sich nach dem Vorliegen azyklischer oder zyklischer Reaktionen sowie nach Art der radikalischen Zwischenstoffe der strahlenchemischen Reaktionssequenzen.I. EinführungII. Systematik und FragestellungenIII. Rein biradikalisch und monoradikalisch ablaufende strahlenchemische UmwandlungenIV. Besondere Probleme der Termination und NachreaktionenV. Katalytische Beeinflussung der Selektivität

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Die Erfassung von Bestrahlungsprodukten mittels peroxydatisch wirkender Fermente

Cited by 13 publications

References 13 publications

Characterization of a cellobiose dehydrogenase in the cellulolytic fungus Sporotrichum (Chrysosporium) thermophile

Characterization of a cellobiose dehydrogenase in the cellulolytic fungus Sporotrichum (Chrysosporium) thermophile

Human liver mitochondrial monoamine oxidase. II. Determinants of substrate and inhibitor specificities

Selektivität und typische Reaktionsmechanismen in der Strahlenchemie

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