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Here are the specialists working in GC Labs.

Sung-Eun Cho

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Endocrine Substance Analysis (Special Chemistry)

Title/Dept
Publication

Director

M.D., Ph.D.

Prevalence and Characteristics of Specimens with Extremely Low High-Density Lipoprotein Cholesterol
2026Clinical LaboratorySung-Eun Cho
A Survey of Standard Operating Procedures for Measuring Immunosuppressant Drug Concentrations Using Mass Spectrometry in Korean Clinical Laboratories
2026Laboratory Medicine OnlineSung-Eun Cho
The Essential Role of Commutable Reference Materials and Their Assessment in Lipid Standardization
2025Annals of Laboratory MedicineSung-Eun Cho
Basic Principle of Mass Spectrometry
2025LMCE 2025 & KSLM 66th Annual MeetingSung-Eun Cho
Predictive Modeling of Central Precocious Puberty Using IGF-1 and IGFBP-3 Standard Deviation Scores
2025DiagnosticsSung-Eun Cho
Assessment of Serum 3-Epi-25-Hydroxyvitamin D3, 25-Hydroxyvitamin D3 and 25-Hydroxyvitamin D2 in the Korean Population with UPLC-MS/MS
2025Journal of Clinical Laboratory AnalysisSung-Eun Cho
Assessment of Serum 3-epi-25-Hydroxyvitamin D3, Total 25-Hydroxyvitamin D3, and 25-Hydroxyvitamin D2 in the Korean Population with UPLC-MS/MS
2025MSACSung-Eun Cho
Increasing Prevalence of Potential Vitamin D Toxicity and Its Risk Factors in Korea: A Large Population-Based Study
2025NutrientsSung-Eun Cho
Trends in Urinary Sodium-to-Potassium Ratios in Koreans: Analysis of KNHANES 2016–2023 Data
2025NutrientsSung-Eun Cho
Development and validation of an automated sample pretreatment method for liquid chromatography-tandem mass spectrometry based quantitation of plasma metanephrine and normetanephrine
2025Laboratory Medicine OnlineSung-Eun Cho
Neonatal Screening Test
2025Spring Annual Meeting of the Korean Association of External Quality Assessment Service (2025)Sung-Eun Cho
Effect of Blood Collection Tubes on Vitamin D Immunoassay Results
2024Annals of Laboratory MedicineSung-Eun Cho
Report of the Korean Association of External Quality Assessment Service on Newborn Screening and Metabolite Testing in Korea (2022-2023)
2024Laboratory Medicine and Quality AssuranceSung-Eun Cho
Current Status of C-Peptide Testing in Korea
2024Fall Annual Meeting of the Korean Society of Clinical Chemistry (2024)Sung-Eun Cho
Application of Mass Spectrometry in Standardization of Laboratory Medicine
2024LMCE 2024 & KSLM 65th Annual MeetingSung-Eun Cho
Implementation of Revvity Janus G3 Automated Workstations for Pretreatment Steps of Liquid Chromatography with Tandem Mass Spectrometry Analyzing Metanephrine and Normetanephrine
2024LMCE 2024 & KSLM 65th Annual MeetingSung-Eun Cho
Development and Validation of a Novel Isotope Dilution-Ultraperformance Liquid Chromatography-Tandem Mass Spectrometry Method for Serum C-Peptide
2024Annals of Laboratory MedicineSung-Eun Cho
Effect of Blood Collection Tubes on Vitamin D Immunoassay Results
2024Annals of Laboratory MedicineSung-Eun Cho
National Implementation of LSD NBS in Korea
2024Newborn Screening World ViewSung-Eun Cho
LC-MS/MS Reference Standards for Cortisol and Aldosterone
2024SICEM 2024Sung-Eun Cho
Laboratory Automation in Mass Spectrometry
2024Cherry Blossom Symposium 2024Sung-Eun Cho
Evaluation of Test Standardization for 25-OH Vitamin D Immunoassays
2024Laboratory Medicine OnlineSung-Eun Cho
Multicenter comparison of analytical interferences of 25-OH vitamin D immunoassay and mass spectrometry methods by endogenous interferents and cross-reactivity with 3-epi-25-OH-vitamin D3
2023Practical Laboratory MedicineSung-Eun Cho
Experience of the Introducing Revvity JANUS G3 Automated Workstation in Korea
2023Revvity Symposium: Newborn – Introducing RevvitySung-Eun Cho
Development and Validation of a Novel Isotope Dilution Ultraperformance Liquid Chromatography-Tandem Mass Spectrometry Method for Serum C-peptide Quantitation
2023LMCE 2023 & KSLM 64th Annual MeetingSung-Eun Cho
Introduction of GC Labs ESAC (Endocrine Substance Analysis Center)
2023LMCE 2023 & KSLM 64th Annual MeetingSung-Eun Cho
Multicenter Comparison of Analytical Interference of Vitamin D Immunoassay and Mass Spectrometry Methods by Endogenous Interferents and Cross-reactivity with 3-epi-25-OH-Vitamin D3
20232023 AACC Annual Scientific Meeting & Clinical Lab ExpoSung-Eun Cho
Clinical Usefulness of Ultraperformance Liquid Chromatography-Tandem Mass Spectrometry Method for Low Serum Testosterone Measurement
2023Annals of Laboratory MedicineSung-Eun Cho
Evaluation of a Robotic Liquid Handler, Andrew+, for Sample Preparation for LC-MS/MS based Quantitation of Immunosuppressants in Whole Blood
2023Laboratory Medicine OnlineSung-Eun Cho
Effects of Endocrine-Disrupting Chemicals on Human Health
2023Laboratory Medicine OnlineSung-Eun Cho
Practical Approaches to Quality Improvement in Neonatal Screening Test
2023Spring Symposium of the Korean Society for Laboratory MedicineSung-Eun Cho
Development and Validation of an Ultra-Performance LC-MS/MS Method for Quantitation of Serum C-Peptide
2023MSACLSung-Eun Cho
Implementation and Validation of an Ultra-High Performance Liquid Chromatography-Tandem Mass Spectrometry Method for Quantifying Levetiracetam and Lamotrigine in Serum Specimens
2022Laboratory Medicine and Quality AssuranceSung-Eun Cho
Management of mass spectrometry laboratory
2022LMCE 2022 & KSLM 63rd ANNUAL MEETINGSung-Eun Cho
Status of Standardization for C-Peptide Testing
2022Korean Endocrine Society Korean Hormone Reference Standards TFTSung-Eun Cho
Clinical usefulness of ultra-performance liquid chromatographytandem mass spectrometry method for low serum testosterone measurement
202224th IFCC WorldLab Seoul 2022Sung-Eun Cho
Commutability Assessment of Frozen Human Serum Pools for External Quality Assessment of Tumor Markers
2022Laboratory Medicine and Quality Assurance Sung-Eun Cho
Status and Standardization of Sex Hormone Testing
2022Spring Symposium of the Korean Society for Laboratory MedicineSung-Eun Cho
Recent Information on Vitamin D Deficiency in an Adult Korean Population Visiting Local Clinics and Hospitals
2022 NutrientsSung-Eun Cho
Implementation and Validation of a Gas Chromatography-Mass Spectrometry Method for Pristanic Acid and Phytanic Acid Quantification in Plasma Specimens
2021Laboratory Medicine and Quality AssuranceSung-Eun Cho
Development and Validation of an Ultra-Performance Liquid Chromatography-Tandem Mass Spectrometry Methodfor Quantitation of Serum Testosterone
2021LMCE 2021 & KSLM 62st Annual MeetingSung-Eun Cho
The Role of Clinical Pathologist in the Laboratory Management
2020LMCE & KSLM 61th Annual MeetingSung-Eun Cho
Safety Management (Laboratory Quality Management System)
2020Fall Annual Meeting of the Korean Society of Clinical ChemistrySung-Eun Cho
Commutability assessment of frozen human serum pools for external quality assessment of tumor markers
2020LMCE & KSLM 61th Annual MeetingSung-Eun Cho
Evaluation of the MULTISURE HIV rapid test in a Korean population with low human immunodeficiency virus prevalence
2019Clin Chem Lab MedSung-Eun Cho
Use of liquid chromatography-tandem mass spectrometry for clinical testing in Korean laboratories: a Questionnaire survey
2019Ann Lab MedSung-Eun Cho
Real-World Experiences in Laboratory Operations for Residents
2019LMCE & KSLM 60th Annual MeetingSung-Eun Cho
Evaluation of Analytical Performance of the Atellica Solution IM 1600 Analyzer in Korea
2019EuromedLab BarcelonaSung-Eun Cho
Standardization of Vitamin D Testing
2019Spring Annual Meeting of the Korean Society of Clinical ChemistrySung-Eun Cho
A questionnaire survey on general status and opinions about clinical mass spectrometric analysis in Korea (2018)
2019Lab Med OnlineSung-Eun Cho
Screening for 3 Lysosomal Storage Disorders using Triplex Tandem Mass Spectrometry Assays with 2 Confirmation Tests in Korea
2018MSACLSung-Eun Cho
Principles and Recent Trends in Prenatal Tests
2018Spring Symposium of the Korean Society of Diagnostic ImmunologySung-Eun Cho
Selective screening for 3 lysosomal storage disorders using triplex tandem mass spectrometry assays in high-risk populations of Korea
2018The 11th Cherry Blossom SymposiumSung-Eun Cho
Differences in Results According to Testing Principles: General Chemistry Test
2018Spring Annual Meeting of the Korean Association of External Quality Assessment ServiceSung-Eun Cho
Prostate Health Index (PHI)
2018Spring Annual Meeting of the Korean Society of Clinical ChemistrySung-Eun Cho
Siemens Aptio Automation & Atellica Solution in LabGenomics
2018Siemens Healthineers Diagnostics SymposiumSung-Eun Cho

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