Joonsang Yu

ORCID: 0000-0001-5344-763X
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About
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Research Areas
  • Cancer Genomics and Diagnostics
  • Radiomics and Machine Learning in Medical Imaging
  • Lung Cancer Treatments and Mutations
  • Hemoglobinopathies and Related Disorders
  • SARS-CoV-2 detection and testing
  • Blood groups and transfusion
  • Blood disorders and treatments
  • Herpesvirus Infections and Treatments
  • Clinical Laboratory Practices and Quality Control
  • CRISPR and Genetic Engineering
  • Biotin and Related Studies
  • Genomics and Rare Diseases
  • Vector-borne infectious diseases
  • Insect and Pesticide Research
  • Health Systems, Economic Evaluations, Quality of Life
  • Meta-analysis and systematic reviews
  • Lymphoma Diagnosis and Treatment
  • Colorectal Cancer Treatments and Studies
  • Bacterial Infections and Vaccines
  • Pluripotent Stem Cells Research

University of Ulsan
2022-2025

Asan Medical Center
2022-2025

Ulsan College
2022-2025

We introduce HyperCLOVA X, a family of large language models (LLMs) tailored to the Korean and culture, along with competitive capabilities in English, math, coding. X was trained on balanced mix Korean, code data, followed by instruction-tuning high-quality human-annotated datasets while abiding strict safety guidelines reflecting our commitment responsible AI. The model is evaluated across various benchmarks, including comprehensive reasoning, knowledge, commonsense, factuality, coding,...

10.48550/arxiv.2404.01954 preprint EN arXiv (Cornell University) 2024-04-02

Hyeseong Ryu, M.D., Joonsang Yu, Seunghoo Lee, Misuk Ji, Sollip Kim, Woochang Sail Chun, M.D.. Lab Med Online 2024;14:106-10. https://doi.org/10.47429/lmo.2024.14.2.106

10.47429/lmo.2024.14.2.106 article ID cc-by-nc Laboratory Medicine Online 2024-03-28

Abstract Objectives To evaluate the performance of Academia-Government Collaboration for Laboratory Medicine Standardization in Korea (KR-STDZN) based on data from KR-STDZN proficiency testing (KR-STDZN-PT) creatinine over eight years (2015–2022). Methods We used KR-STDZN-PT tests 2015 to 2022. Acceptance participating institutions’ test results was assessed by calculating acceptance as absolute bias (absBias%), total coefficient variance (tCV%), and error (TE%) each sample using six...

10.1515/cclm-2023-1160 article EN Clinical Chemistry and Laboratory Medicine (CCLM) 2023-11-24

Joonsang Yu, M.D., Jin Seok Kim, M.T., John Jeonseok Yang, Yousun Chung, Hyungsuk Sang-Hyun Hwang, Heung-Bum Oh, Hee-Jeong Youk, Dae-Hyun Ko, M.D.. Lab Med Online 2022;12:205-8. https://doi.org/10.47429/lmo.2022.12.3.205

10.47429/lmo.2022.12.3.205 article ID cc-by-nc Laboratory Medicine Online 2022-06-29

Objectives: Laboratory-acquired infection (LAI) of SARS-CoV is well known, but MERS-CoV or SARS-CoV-2 LAI has not yet been reported. Beginning last November, COVID-19 cases increased among laboratory staff at our 2,700-bed tertiary-care hospital. A 7-day home-quarantine policy for healthcare workers when household members were confirmed with SARS-COV-2 was lifted February 28. We investigated and its risk factors. Methods: From March 21 to 25, all 176 surveyed questionnaire collect the...

10.1017/ash.2023.16 article EN cc-by-nc-nd Antimicrobial Stewardship & Healthcare Epidemiology 2023-02-01

Bordetella hinzii is a nonfermenting, gram-negative rod and rare opportunistic pathogen that can cause respiratory infections, bacteremia, cholangitis. Here, we report the first case of bacteremia caused by B. in Korea. A 59-year-old man was admitted for biopsy mass lesion left lower lobe, which detected during health screening. The blood cultures collected from patient with high fever (> 39℃), developed 4 hours after biopsy, yielded rods. bacilli were identified as using matrix-assisted...

10.5145/acm.2022.25.3.5 article EN cc-by-nc Annals of Clinical Microbiology 2022-09-20

Background: Next-generation sequencing (NGS)-based liquid biopsy testing using peripheral blood is a minimally invasive technique that can identify the characteristics of tumor-derived circulating tumor DNA (ctDNA) in cellfree (cfDNA).External quality assessment (EQA) should be implemented to ensure reliability NGS-based tests.This study aims establish method for producing EQA materials tests.Methods: Eight cell lines harboring clinically important somatic mutations were selected further...

10.15263/jlmqa.2022.44.3.174 article EN cc-by-nc Journal of Laboratory Medicine and Quality Assurance 2022-09-30
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