To assess the usefulness of a new rapid chromatographic immunoassay test for the detection of adenovirus, a prospective 3-year study was conducted in 587 febrile outpatient children suspected of adenovirus infection. A total of 332 children were diagnosed with this infection, using a viral culture. The sensitivity and specificity of the rapid test were 89.2% and 98.0%, respectively.
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http://dx.doi.org/10.1097/INF.0b013e3181bd5059 | DOI Listing |
: Testosterone is an androgenic hormone that plays important roles in both males and females. The circulating levels of total testosterone vary from 1 to 1480 ng/dL. High-throughput immunoassays often lack accuracy in lower concentration ranges (below 100 ng/dL), particularly when used for females or children.
View Article and Find Full Text PDFBioanalysis
December 2024
Department of Chemistry, University of Nebraska-Lincoln, Lincoln, NE, USA.
Methods Mol Biol
November 2024
Laboratory of Thyroid Hormones and Central Nervous System, Department of Neurological Diseases and Aging, Instituto de Investigaciones Biomédicas Sols-Morreale, Consejo Superior de Investigaciones Científicas (CSIC), Universidad Autónoma de Madrid (UAM), Madrid, Spain.
This chapter details protocols for determining plasma thyroid hormone (TH) levels and tissue TH content by competitive radioimmunoassays (RIAs). These protocols include: an initial test of the chromatographic performance, isotopic labeling to produce high activity I-T3 and I-T4, free iodide estimation of the labeled products, purification of tracers from iodide by paper electrophoresis, extraction of THs from plasma and tissue samples, and the RIA procedures. The RIA involves the competition between radioactive labeled and unlabeled hormones for specific antibody binding, and due to its high sensitivity is capable of detecting a minimum of 2.
View Article and Find Full Text PDFFood Chem X
December 2024
Chongqing Key Laboratory of Conservation and Utilization of Freshwater Fishes, Animal Biology Key Laboratory of Chongqing Education Commission of China, College of Life Sciences, Chongqing Normal University, Chongqing 401331, China.
In recent years, the residues of nitrofurans (NFs) and their metabolites in animal-derived food and environmental samples have gained widespread attention. The parent drugs and their metabolites have displayed significant toxicity to human health including carcinogenic, mutagenic and teratogenic effects, leading to banned in animal husbandry in many countries. Hence, monitoring the residues of NFs is necessary to guarantee public health and ecological security.
View Article and Find Full Text PDFChina CDC Wkly
September 2024
Key Laboratory of Biomarkers and In Vitro Diagnosis Translation of Zhejiang province, School of Laboratory Medicine and Bioengineering, Hangzhou Medical College, Hangzhou City, Zhejiang Province, China.
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