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Actinide analysis in urine during participating PROCORAD intercomparison
The National Institutes for Quantum Science and Technology (QST), Japan, has been engaged in international comparisons organized by the French...
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High-Throughput Quantitative LC-MS/MS Analysis of Benzodiazepines in Human Urine
We hereby present a fast, high-throughput, and clinical LC-MS/MS assay for the simultaneous analysis of benzodiazepines in human urine. The assay is...
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Urinary creatinine concentration and urine color as indicators of specimen validity test
In this study, the concentration of urinary creatinine (Cr) and urine color were analyzed, and a correlation obtained, to objectively verify normal...
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Quantitative LC-MS/MS Analysis of Amphetamines and Cocaine in Human Urine
We hereby present a fast and high-throughput LC-MS/MS assay for the simultaneous analysis of amphetamines and cocaine in human urine. The assay is...
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Development of new matrix reference materials for quantitative urine analysis in drug tests
Accurate quantitative analyses require standardized methods to control and improve the analytical process in the laboratory. The availability of...
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High-Throughput Quantitative LC-MS/MS Analysis of Barbiturates in Human Urine
We hereby present a fast, high-throughput, and clinical LC-MS/MS assay for the simultaneous analysis of barbiturates in human urine. It is deployed...
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Sweet taste receptors play roles in artificial sweetener-induced enhanced urine output in mice
Sweet taste receptors found in oral and extra oral tissues play important roles in the regulation of many physiological functions. Studies have shown...
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Biomarkers of exposure in urine of active smokers, non-smokers, and vapers
The exposure to smoking related products has been evaluated through urine illness risk marker determination through the analysis of urine samples of...
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Quantitative Analysis of Buprenorphine, Norbuprenorphine, and Their Glucuronide Metabolites in Human Urine
We present a quantitative clinical LC-MS/MS assay for the simultaneous analysis of buprenorphine, norbuprenorphine, and their glucuronide metabolites...
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Analysis of Barbiturates in Urine by LC-MS/MS
In the method described here, an aliquot of a urine sample is analyzed to detect barbiturates through dilution and ultra-high-performance...
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Quantitative LC-MS/MS Analysis of Opiates and Opioids in Human Urine
We hereby present a direct, clinical LC-MS/MS assay for the simultaneous analysis of opiates and opioids in human urine. The assay is used as...
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Rapid radiochemical analysis of uranium and plutonium in emergency urine samples
A novel method for rapid radioanalytical measurement of uranium and plutonium in 100ml emergency urine samples was developed, through optimized...
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Comprehensive Urine Drug Screen by Liquid Chromatography-Quadrupole Time of Flight Mass Spectrometry
Current trends in drug use include polydrug use as well as an ever-changing landscape of novel psychoactive substances. Immunoassay-based urine drug...
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Comparison between digital and paper urine color to assess hydration status
PurposeThe purpose of this study was to investigate associations between digital urine color and paper urine color with other urine indices to assess...
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Quantitation of Bupropion in Urine by Liquid Chromatography-Tandem Mass Spectrometry
Bupropion is a medication commonly used to treat depression and help people quit smoking. However, it has the potential to be misused or diverted, so...
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Synthesize of Copper Nanocomposite Mediated Human Urine: Estimated of their Antibacterial Activity
The author presents an efficient method for the synthesis of copper nanocomposites (CuNC) using human urine. The role of human urine on the...
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Investigation of select radionuclides stability in urine under various conditions for liquid scintillation counting (LSC)
Liquid Scintillation Counting (LSC) gross alpha/beta screening is a valuable tool for providing rapid laboratory response for the analysis of human...
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Comprehensive Urine Drug Screen by Gas Chromatography-Mass Spectrometry (GC-MS)
Drug screening is an important diagnostic tool in patient management and is an indispensable part of clinical toxicology laboratory services. While...
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Photonic Crystal Fibre–Based Plasmon Sensor for Glucose Level Detection in Urine
This paper introduces a “photonic crystal fibre (PCF)”–based “surface plasmon sensor” that can measure the amount of glucose in urine. The sensor...
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Smartphone based colorimetric point-of-care sensor for abused drugs: case of baclofen determination in urine
As a GABA-β receptor agonist, the central muscle relaxant Baclofen (BAC) has a potential of abuse. Unfortunately, the sense of wellbeing and pleasure...
