Paraphenylenediamine Oxidase Activity and Copper-Levels in Mammalian Plasmas

McCosker, Philip

doi:10.1038/190887a0

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Xxxiii/19651

Introduction1

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1962

1997

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Cited by 24 publications

(4 citation statements)

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“…The total plasma-and erythrocyte copper is lower, the direct reacting copper is higher than in the human. Similar values were found for the cat (22) and the pig (23).…”

Section: Xxxiii/1965supporting

confidence: 84%

Copper Turnover in Blood Plasma

Lockner

Ericson

Hevesy³

1965

Acta Haematol

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“…The total plasma-and erythrocyte copper is lower, the direct reacting copper is higher than in the human. Similar values were found for the cat (22) and the pig (23).…”

Section: Xxxiii/1965supporting

confidence: 84%

Copper Turnover in Blood Plasma

Lockner

Ericson

Hevesy³

1965

Acta Haematol

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“…In a number of earlier studies it was found that the activity of certain enzymes contained in the blood cells are hereditary in nature (Mc Cosker, 1961;Gahne, 1970;Kelly et al, 1971;Lie, 1980). The aim of this study was to determine the activity levels of ceruloplasmin (Cp), alkaline phosphatase (AP), acid phosphatase (AcP) and amylase (Am) in the seraum of Hucul mares and stallions divided into the following age groups: weanlings, yearlings, 2-years-old and adults.…”

Section: Introductionmentioning

confidence: 99%

A note on enzyme activity in the serum of Hucul horses of various ages

Kulisa¹,

Ormian²

1997

J. Anim. Feed Sci.

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The activity of ceruloplasmin (Cp), alkaline phosphatase (AP), acid phosphatase (AcP) and amylase (Am) in the serum of Hucul mares and stallions divided into age groups (weanlings, yearlings, 2-years-old and adults) was estimated during the winter feeding season.Statistically significant and highly significant differences were found in the activity of enzymes between age groups of stallions and mares. Activity levels of Cp, AP and AcP in individual age groups were mostly higher in the serum of mares than in stallions, except for Am. The AP activity decreased with age, from 5.62 to 2.94 IU/1 in mares and from 4.78 to 2.99 IU/1 in stallions.

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“…The copper confers on ceruloplasmin intense blue coloration and serves as a prosthetic group in its oxidase enzymatic activity (Morel1 & Scheinberg 1958, Broman et al 1963, Kasper & Deutsch 1963. This latter property is most marked toward aromatic diamines (Akerfeldt 1957, McCasher 1961 and some naturally occurring substrates, e.g. serotonin and epinephrine.…”

mentioning

confidence: 99%