- An Emerging Diabetes Mellitus Diagnosis Modality: HbA1c
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Seo HA, Lee IK
- KMID: 1776563
- Korean J Intern Med.
- 2012 Mar;27(1):39-40.
- doi: 10.3904/kjim.2012.27.1.39
No abstract available. -
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- Ultra-Performance Liquid Chromatography-Tandem Mass Spectrometry Measurement of Leukocyte Arylsulfatase A Activity Using a Natural Substrate
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Han M, Jun SH, Song SH, Park HD, Park KU, Song J
- KMID: 2363170
- Ann Lab Med.
- 2015 Jan;35(1):165-168.
- doi: 10.3343/alm.2015.35.1.165
No abstract available. -
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- Liquid Chromatography-Mass Spectrometry-Based In Vitro Metabolic Profiling Reveals Altered Enzyme Expressions in Eicosanoid Metabolism
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Lee SH, Kim EJ, Lee DH, Lee WY, Chung BC, Seo HS, Choi MH
- KMID: 2373554
- Ann Lab Med.
- 2016 Jul;36(4):342-352.
- doi: 10.3343/alm.2016.36.4.342
BACKGROUND: Eicosanoids are metabolites of arachidonic acid that are rapidly biosynthesized and degraded during inflammation, and their metabolic changes reveal altered enzyme expression following drug treatment. We developed an eicosanoid... -
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- Quantification of Human Plasma-Busulfan Concentration by Liquid Chromatography-Tandem Mass Spectrometry
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Moon SY, Lim MK, Hong S, Jeon Y, Han M, Song SH, Lim KS, Yu KS, Jang IJ, Lee JW, Kang HJ, Song J
- KMID: 1781353
- Ann Lab Med.
- 2014 Jan;34(1):7-14.
- doi: 10.3343/alm.2014.34.1.7
BACKGROUND: Busulfan, an alkylating agent administered prior to hematopoietic stem cell transplantation, has a narrow therapeutic range and wide variability in metabolism. We developed a liquid chromatography-tandem mass spectrometry (LC-MS/MS)... -
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- A Simple and Rapid Method Based on Liquid Chromatography-Tandem Mass Spectrometry for the Measurement of alpha-L-Iduronidase Activity in Dried Blood Spots: An Application to Mucopolysaccharidosis I (Hurler) Screening
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Yang JS, Min HK, Oh HJ, Woo HI, Lee SY, Kim JW, Song J, Park HD
- KMID: 2363146
- Ann Lab Med.
- 2015 Jan;35(1):41-49.
- doi: 10.3343/alm.2015.35.1.41
BACKGROUND: We developed an analytical method to measure alpha-L-iduronidase (IDUA) activity in dried blood spots. This was achieved by using liquid chromatography coupled to tandem mass spectrometry (LC-MS/MS) with electrospray... -
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- Relationship between Tetrahydrobiopterin and Portal Hypertension in Patients with Chronic Liver Disease
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Hong WK, Shim KY, Baik SK, Kim MY, Cho MY, Jang YO, Park YS, Han J, Kim G, Cho YZ, Hwang HW, Lee JH, Chae MH, Kwon SO
- KMID: 1734927
- J Korean Med Sci.
- 2014 Mar;29(3):392-399.
- doi: 10.3346/jkms.2014.29.3.392
Tetrahydrobiopterin (BH4) is an essential cofactor in NO synthesis by endothelial nitric oxide synthase (eNOS) enzymes. It has been previously suggested that reduced intrahepatic BH4 results in a decrease in... -
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- Dried Blood Spot Testing for Seven Steroids Using Liquid Chromatography-Tandem Mass Spectrometry With Reference Interval Determination in the Korean Population
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Kim B, Lee MN, Park HD, Kim JW, Chang YS, Park WS, Lee SY
- KMID: 2363260
- Ann Lab Med.
- 2015 Nov;35(6):578-585.
- doi: 10.3343/alm.2015.35.6.578
BACKGROUND: Conventional screening for congenital adrenal hyperplasia (CAH) using immunoassays generates a large number of false-positive results. A more specific liquid chromatography-tandem mass spectrometry (LC-MS/MS) method has been introduced to... -
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- Evaluation of Serum Cotinine Cut-Off to Distinguish Smokers From Nonsmokers in the Korean Population
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Ko K, Kwon MJ, Yang SH, Moon CJ, Lee EH, Woo HY, Park H
- KMID: 2373572
- Ann Lab Med.
- 2016 Sep;36(5):427-433.
- doi: 10.3343/alm.2016.36.5.427
BACKGROUND: Cotinine has been widely used as an objective marker to identify current smokers. We conducted this study to address the absence of Korean studies investigating the efficacy of immunoassays... -
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- Validity of Glycated Hemoglobin in Screening and Diagnosing Type 2 Diabetes Mellitus in Chinese Subjects
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Yu Y, Ouyang XJ, Lou QL, Gu LB, Mo YZ, Ko GT, Chow CC, So WY, Ma R, Kong A, Brown N, Nan J, Chan J, Bian RW
- KMID: 1776564
- Korean J Intern Med.
- 2012 Mar;27(1):41-46.
- doi: 10.3904/kjim.2012.27.1.41
BACKGROUND/AIMS: The application of glycated hemoglobin (HbA1c) for the diagnosis of diabetes is currently under extensive discussion. In this study, we explored the validity of using HbA1c as a screening... -
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- Assessment of the Trueness and Inter-Laboratory Precision of Routine Uric Acid Assays Using 4 Frozen Pooled Serum Samples Measured by the Japan Society of Clinical Chemistry's HPLC Method
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Jiang Y, Liu O, Xu G
- KMID: 1791902
- Ann Lab Med.
- 2014 Mar;34(2):104-110.
- doi: 10.3343/alm.2014.34.2.104
BACKGROUND: Reference procedures are required for evaluating the accuracy of routine analytical systems for uric acid (UA). External quality assessment (EQA) for UA has only been conducted with quality controls... -
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- The Combination of Real-Time PCR and HPLC for the Identification of Non-Tuberculous Mycobacteria
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Park JS, Choi JI, Lim JH, Ahn JJ, Jegal Y, Seo KW, Ra SW, Jeon JB, Lee SH, Kim SR, Jeong J
- KMID: 1781340
- Ann Lab Med.
- 2013 Sep;33(5):349-352.
- doi: 10.3343/alm.2013.33.5.349
We used HPLC and AdvanSure real-time PCR (LG Life Sciences, Korea) to retrospectively analyze non-tuberculous mycobacteria (NTM) in 133 clinical specimens. The specimens were culture-positive for NTM and the HPLC... -
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