urea c-13

Known as: [13C] urea, Carbon 13 urea, 13C-urea 
A radiolabelled urea molecule used to diagnose stomach ulcers caused by Heliobacter pylori. In the presence of H. pylori, urea C-13 is metabolized by… (More)
National Institutes of Health

Papers overview

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Highly Cited
2005
Highly Cited
2005
The objectives of this study were to evaluate the potential for using blood urea N concentration to predict urinary N excretion… (More)
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Highly Cited
2005
Highly Cited
2005
The relationship between nitrous oxide (N2O) flux and N availability in agricultural ecosystems is usually assumed to be linear… (More)
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Highly Cited
2003
Highly Cited
2003
One hundred and sixty four plastic particles (mean length 4.1 mm) recovered from the scats of fur seals (Arctocephalus spp.) on… (More)
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Highly Cited
2000
Highly Cited
2000
BACKGROUND Helicobacter pylori infection causes chronic digestive diseases with a major public-health impact, yet the design of… (More)
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Highly Cited
1999
Highly Cited
1999
BACKGROUND The relation between Helicobacter pylori infection and nonulcer dyspepsia is uncertain. We tested the hypothesis that… (More)
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Highly Cited
1997
Highly Cited
1997
Data from 35 trials with 482 lactating cows fed 106 diets were used to study the effects of animal and dietary factors on the… (More)
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Highly Cited
1995
Highly Cited
1995
Omeprazole is a powerful inhibitor of gastric acid and may suppress Helicobacter pylori by effecting the pKa of H pylori urease… (More)
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Highly Cited
1991
Highly Cited
1991
A causative role is now accepted for Helicobacter (formerly Campylobacter) pylori in type B gastritis, and evidence is… (More)
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Review
1990
Review
1990
Anthracyclines, such as doxorubicin and daunorubicin, are highly effective anticancer agents that produce a well-described but… (More)
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Highly Cited
1987
Highly Cited
1987
The high endogenous urease activity of Campylobacter pylori was exploited in a non-invasive test for the presence of this… (More)
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