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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
3
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pubmed:dateCreated |
1980-1-28
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pubmed:abstractText |
A continuous flow method has been developed for the automatic determination of enterokinase in rat small intesstine mucosa and/or luminal content. Trypsinogen was first hydrolysed by enterokinase under conditions which minimize autocatalytic activation. L-benzoyl-arginine paranitroanilide was then added and split to paranitroaniline by the trypsin so formed. Liberated paranitroalinine was diazotized and converted by the Bratton-Marshall reagent (N-naphthyl ethylene diamine) to an azodye, with maximum absorption at 550 nm. This method of determination was found to be six times more sensitive than the direct p-nitroaniline determination method. 36 determinations can be made hourly.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Nov
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pubmed:issn |
0009-8981
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:day |
2
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pubmed:volume |
98
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
187-194
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pubmed:dateRevised |
2007-11-15
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pubmed:meshHeading |
pubmed-meshheading:40719-Animals,
pubmed-meshheading:40719-Autoanalysis,
pubmed-meshheading:40719-Bile Acids and Salts,
pubmed-meshheading:40719-Calcium,
pubmed-meshheading:40719-Clinical Enzyme Tests,
pubmed-meshheading:40719-Endopeptidases,
pubmed-meshheading:40719-Enteropeptidase,
pubmed-meshheading:40719-Hydrogen-Ion Concentration,
pubmed-meshheading:40719-Intestinal Mucosa,
pubmed-meshheading:40719-Intestine, Small,
pubmed-meshheading:40719-Rats
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pubmed:year |
1979
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pubmed:articleTitle |
An automated continuous flow procedure for the determination of enterokinase.
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pubmed:publicationType |
Journal Article
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