Bei-Tzu Wang

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Fentanyl and its analogs, such as acetylfentanyl, have become a concern for potential abuse. Fentanyl compliance monitoring and urine drug testing are becoming increasingly necessary; however, a limited number of fentanyl immunoassays have been validated for clinical use. The purpose of this study was to validate the use of the DRI® fentanyl immunoassay,(More)
BACKGROUND Patients with chronic liver disease had lower serum concentrations 25-hydroxyvitamin D (25OHD). Glycine, a nonessential amino acid, exerts anti-inflammatory, cytoprotective, and immunomodulatory properties. This study aimed to establish a tandem mass spectrometry assay to measure 25OHD in guinea pigs serum and to investigate the effects of(More)
Maleic acid (MA) has been shown to induce Fanconi syndrome via disturbance of renal energy homeostasis, though the underlying pathomechanism is still under debate. Our study aimed to examine the pathomechanism underlying maleic acid-induced nephrotoxicity. Methylmalonic acid (MMA) is structurally similar to MA and accumulates in patients affected with(More)
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