Search Results - "Cao, Zhimin (Tim)"

Measurement of human serum unconjugated estriol without derivatization using liquid chromatography-tandem mass spectrometry candidate reference method and compared with two immunoassays by Huang, Xianzhang, Zhang, Qiaoxuan, Zheng, Songbai, Wang, Jianbing, Han, Liqiao, Lin, Haibiao, Ke, Peifeng, Zhuang, Junhua, Cao, Zhimin (Tim)

“…A candidate reference measurement procedure (RMP) for measurement of unconjugated estriol in human serum has been developed and validated. The proposed method…”
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Noninvasive determination of human cortisol and dehydroepiandrosterone sulfate using liquid chromatography-tandem mass spectrometry by Cao, Zhimin (Tim), Wemm, Stephanie E., Han, Liqiao, Spink, David C., Wulfert, Edelgard

“…Liquid chromatography-tandem mass spectrometry (LC-MS/MS) for measurements of steroids in human saliva has garnered increased interest in the area of clinical…”
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Liquid chromatography-tandem mass spectrometry analysis of 17-hydroxyprogesterone in dried blood spots revealed matrix effect on immunoassay by Han, Liqiao, Tavakoli, Norma P., Morrissey, Mark, Spink, David C., Cao, Zhimin (Tim)

“…Immunoassays for measuring 17-hydroxyprogesterone (17-OHP) produce high rates of false positives that impact the identification of congenital adrenal…”
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Measurement of unconjugated estriol in serum by liquid chromatography-tandem mass spectrometry and assessment of the accuracy of chemiluminescent immunoassays by Huang, Xianzhang, Spink, David C, Schneider, Erasmus, Ling, Helen, Rai, Alex J, Rosano, Thomas G, Chen, Baorong, Cao, Zhimin Tim

“…Unconjugated estriol (uE3) is routinely analyzed in clinical laboratories as risk assessment for Down syndrome. Immunoassays of various types are the most…”
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Are Laboratories Reporting Serum Quantitative hCG Results Correctly? by Cao, Zhimin (Tim), Rej, Robert

“…Human chorionic gonadotropin (hCG) is a heterodimeric glycoprotein hormone that exists in multiple forms. Immunoassays commonly used in clinical laboratories…”
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Accuracy-based proficiency testing for estradiol measurements by Tim Cao, Zhimin, Rej, Robert, Vesper, Hubert, Rex Astles, J.

“…•Traditional proficiency testing (PT) cannot identify inaccurate estradiol methods.•Estradiol results from commutable PT samples were compared to CDC target…”
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Accuracy-based proficiency testing for testosterone measurements with immunoassays and liquid chromatography-mass spectrometry by Cao, Zhimin (Tim), Botelho, Julianne Cook, Rej, Robert, Vesper, Hubert

“…Accurate testosterone measurements are needed to correctly diagnose and treat patients. Proficiency Testing (PT) programs using modified specimens for testing…”
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Fluctuations in progesterone moderate the relationship between daily mood and alcohol use in young adult women by Holzhauer, Cathryn Glanton, Wemm, Stephanie E., Wulfert, Edelgard, Cao, Zhimin (Tim)

“…•Progesterone changes interacted with daily mood to predict drinking.•Decreasing progesterone and negative mood predicted drinking days.•Between-person…”
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Impact of testosterone assay standardization efforts assessed via accuracy-based proficiency testing by Cao, Zhimin (Tim), Botelho, Julianne Cook, Rej, Robert, Vesper, Hubert, Astles, J. Rex

“…We reported observations on analytical performance in testosterone measurements of various methods/assays from the study carried out using accuracy-based…”
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Comparison of tacrolimus concentrations measured by the IMx tacrolimus II vs the PRO-TRAC II FK506 ELISA assays by ZHIMIN TIM CAO, LINDER, M. W, JEVANS, A. W, BROWN, G, VALDES, R. JR

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De Novo Biosynthesis and Radiolabeling of Mammalian Digitalis-Like Factors by Qazzaz, Hassan M.A.M, Cao, Zhimin, Bolanowski, Duane D, Clark, Barbara J, Valdes, Roland, Jr

“…Digoxin-like immunoreactive factors (DLIFs) are endogenous mammalian cardenolides with structural features similar to those of the plant-derived digitalis…”
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Recommendations for proficiency testing criteria for hemoglobin A 1c based on the Shanghai Center for Clinical Laboratory's study by Ju, Yi, Cao, Zhimin Tim, Li, Qing, Tang, Liping, Ou, Yuanzhu, Yu, Xiaoxuan, Liu, Wenbin

“…The US Centers for Medicare & Medicaid Services proposed in 2019 that glycated hemoglobin A (HbA ) be a CLIA'88 regulated analyte. People who commented…”
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Stress responding and stress‐related changes in cue reactivity in heavy smokers, problem gamblers, and healthy controls by Wemm, Stephanie E., Cao, Zhimin, Han, Liqiao, Wulfert, Edelgard

“…Addictions, both substance and behavioral, have been conceptualized as involving similar biopsychosocial processes with different opportunistic expressions. A…”
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Noninvasive detection of human dehydroepiandrosterone, progesterone and testosterone using LC-MS/MS revealed effects of birth control pills/devices and body weight on ovulatory prediction by Han, Liqiao, Wemm, Stephanie E., Shen, Lei, Spink, David C., Wulfert, Edelgard, Cao, Zhimin Tim

“…•Salivary testosterone, dehydroepiandrosterone and progesterone were measured simultaneously using LC-MS/MS.•Reference intervals for the 3 steroids in the…”
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Acute hypermagnesemia and respiratory arrest following infusion of MgSO4 for tocolysis by ZHIMIN CAO, T, BIDEAU, R, VALDES, R. JR, ELIN, R. J

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Immunoassay of Estradiol: Unanticipated Suppression by Unconjugated Estriol by Cao, Zhimin, Swift, Thomas A, West, Clint A, Rosano, Thomas G, Rej, Robert

“…Accurate measurement of estradiol is important in clinical settings. The quality of laboratory estimations of estradiol may be assessed through external…”
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lmmunoassay of Estradiol: Unanticipated Suppression by Unconjugated Estriol by Zhimin (Tim) Cao, Swift, Thomas A, West, Clint A, Rosano, Thomas G, Rej, Robert

“…Accurate measurement of estradiol is important in clinical settings. The quality of laboratory estimations of estradiol may be assessed through external…”
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Acute hypermagnesemia and respiratory arrest following infusion of MgSO 4 for tocolysis by Cao, (Tim) Zhimin, Bideau, Robin, Valdes, Roland, Elin, Ronald J

“…Hypermagnesemia (6.95 mmol/l) and respiratory arrest occurred to a 20-year-old female (G3P2002) at 26 weeks of gestation during tocolytic treatment with MgSO…”
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Target values and method evaluation in proficiency testing programs by Rej, R, Norton-Wenzel, C S, Cao, Z

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