Carbon-14

01/01/2021 - "[Helicobacter pylori infection: prevalence and associated factors in a study population undergoing Carbon-14 urea breath test]."
01/01/2019 - "pylori infection by the Carbon-14 Urea Breath Test, and the rest were negative. "
08/01/2008 - "The carbon-14 ((14)C) urea breath test (UBT) is a reliable and noninvasive technique for the diagnosis of Helicobacter pylori (HP) infection. "
11/01/2003 - "The carbon-14 urea breath test (UBT) is a reliable and non-invasive technique for the diagnosis of Helicobacter pylori (HP) infection. "
06/01/1999 - "The long-term biokinetics and dosimetry of carbon-14 were studied in nine adults and eight children undergoing carbon-14 urea breath test for Helicobacter pylori (HP) infection. "

09/15/2007 - "For in vivo studies, 3B9 was intrinsically or extrinsically labeled with carbon-14 or 1,4,7,10-tetra-azacylododecane-N,N',N'',N''''-tetraacetic acid-indium-111, respectively, and biodistribution of the radiotracers was investigated in EL4 tumor-bearing mice, which were treated or not with chemotherapy. "
10/01/1988 - "Carbon-14 labeling and biological activity of the tumor-localizing derivative of hematoporphyrin."
02/01/1995 - "Effects of radiotherapy on the cellular uptake of carbon-14 labeled L-methionine in tumor tissue."
09/01/1984 - "The post-maximum decline in WR-1065 varied markedly with tissue, lung exhibiting a 6-fold drop by 30 min and salivary gland falling only 15% after 3 hr. In a mouse treated with carbon-14 labeled WR-2721 it was found after 15 min that WR-1065 accounted for over half of the total drug in all tissues except tumor, where it accounted for a third of the total drug. "

03/01/2002 - "Use of bomb pulse carbon-14 to age senile plaques and neurofibrillary tangles in Alzheimer's disease."
05/30/2013 - "In support of a metabolite study, the β-amyloid plaque neuroimaging positron-emission tomography radioligand AZD4694 was labeled with carbon-14 in 10 radiosynthetic steps starting from radiolabeled carbon dioxide. "
05/30/2013 - "Carbon-14 radiosynthesis of the benzofuran derivative and β-amyloid plaque neuroimaging positron emission tomography radioligand AZD4694."

10/01/1965 - "[Study, in mice, of the distribution and elimination of killed typhoid and paratyphoid A and B bacilli labeled by carbon-14 and administered by ingestion]."

07/01/2013 - "The antitrypanosomal agent K777•HCl was labeled with carbon-14 to support absorption, distribution, metabolism, and excretion studies of this potential new drug for the treatment of Chagas disease. "
07/01/2013 - "Carbon-14 labeling of K777•HCl, a therapeutic agent for Chagas disease."