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High melamine migration in daily-use melamine-made tableware.
TLDR
The study aims to measure melamine migrated from different material-made tableware by the most sensitive technique of liquid chromatography-tandem mass spectrometry (LC-MS/MS). Expand
Dual involvements of cyclooxygenase and nitric oxide synthase expressions in ketamine‐induced ulcerative cystitis in rat bladder
The aims of the present study were to investigate voiding patterns, tissue constituents and the expressions of cyclooxygenase‐2 (COX‐2) and nitric oxide synthase (NOS) involved in ketamine‐inducedExpand
Indole-3 acetic acid increased risk of impaired cognitive function in patients receiving hemodialysis.
TLDR
In conclusion, IAA, not HA, was associated with cognitive impairment in HD patients, and there was no correlation between Serum HA levels and cognitive function status. Expand
Low exposure to melamine increases the risk of urolithiasis in adults.
TLDR
Low-dose melamine exposure can play an important role in calcium urolithiasis in Taiwanese adults, and MALDI-TOF mass spectrometry detected melamine in the stones of nine representative patients who had measurable urinary melamine levels. Expand
Simultaneous identification of abused drugs, benzodiazepines, and new psychoactive substances in urine by liquid chromatography tandem mass spectrometry
TLDR
The results demonstrate the suitability of the LC–MS/MS method for simultaneous identification of multiple abused drugs, benzodiazepines, and new psychoactive substances in urine. Expand
Simultaneous determination of HFBA-derivatized amphetamines and ketamines in urine by gas chromatography-mass spectrometry.
TLDR
With this new approach, an extraction, derivatization and gas chromatographic-mass spectrometric analysis method was developed, it was able to use a single analytical protocol to conduct the confirmation test for samples that preliminarily tested positive (by immunoassay) for amphetamines, ketamine, or both. Expand
Quantification of blood betel quid alkaloids and urinary 8-hydroxydeoxyguanosine in humans and their association with betel chewing habits.
TLDR
Serum arecoline and arecaidine levels are measurable and good indicators for recent betel quid use, and 8-hydroxydeoxyguanosine level in urine is only one early health marker of carcinogenesis. Expand
Urinary melamine and adult urolithiasis in Taiwan.
TLDR
This preliminary study suggests that exposure to even low-dose melamine-related products still have the potential to develop both uric acid and calcium urolithiasis in adults. Expand
Simultaneous quantification of urine flunitrazepam, nimetazepam and nitrazepam by using liquid chromatography tandem mass spectrometry.
TLDR
The LC-MS/MS method has proved to be robust and specific for the quantification of FM2, nimetazepam and nitrazepam in urine samples and confirmed that nitrazpeam and 7-aminonimetazpeam are the metabolic products of nimetzepam. Expand
Performance characteristics of ELISAs for monitoring ketamine exposure.
TLDR
NEOGEN ELISA test data exhibit better correlation with the ketamine concentration as determined by GC-MS, and can be more reliably used as the preliminary test method in the 2-step approach now routinely adapted in workplace drug testing programs. Expand
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