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Hui-Yeong Seong,Jian Lee,Ye-Seul Park,Hwa-Jeong Lee,Yong Eui Koo 한국식품영양과학회 2021 한국식품영양과학회 학술대회발표집 Vol.2021 No.10
Plastic bottles made by polyethylene terephthalate (PET) are commonly used for packaging of beverages like juices, soft drinks, beer and water. In PET manufacturing process, antimony trioxide is frequently used as a catalyst. There is a risk of antimony migration from PET packaging into beverages. Antimony is one of the primary pollutants published by United States Environmental Protection Agency, and Antimony trioxide is probably a human carcinogen, Group 2 by the International Agency for Research on Cancer. In this study, green microwave-assisted digestion method with diluted nitric acid at high temperature and pressure using a Single Reaction Chamber (SRC) was applied as sample preparation for the determination of antimony in beverages packed with PET bottles by inductively coupled plasma mass spectrometry (ICP-MS). Method validation was carried out for the proposed method according to the AOAC guideline. All performance parameters including selectivity, linearity, recovery, repeatability, the limit of detection (LOD), and the limit of quantification (LOQ) were validated in compliance with the AOAC guideline.
Hui-Yeong Seong,Jisang Lee,Jiwon Yoon,Youngsun Kim,Sungsik Yoon,Jaewan Park,Misook Kim 한국식품영양과학회 2021 한국식품영양과학회 학술대회발표집 Vol.2021 No.10
Momordica charantia L. is recently attracting attention as alternative health functional food to prevent and treat diabetes mellitus. This work utilized experimental design methodology to increase α-glucosidase inhibitory activity from M. charantia performing the fermentation by probiotic Leuconostoc mesenteroides MKJW (MKJW). The optimal fermentation conditions for α-glucosidase inhibition were determined with different concentrations of three factors such as M. charantia (5-15°brix), sucrose (80-400 mmol), and maltose (0-250 mmol) by response surface methodology and conducted 17 design experiments. Our statistical models predicted that the strongest inhibition against α-glucosidase would be 98.02% when MKJW fermented 5.015°brix, 393.97 mmol of sucrose and 143.39 mmol of maltose for 24 h. The predicted dependent variable was not significantly different from the experimental value (p>0.05). In conclusion, the M. charantia fermented by MKJW might be used to prevent diabetes mellitus type II by controlling the carbohydrate hydrolyzing enzyme.
상피성 난소암 환자에서 임상적 관해도 평가를 위한 이차 추시개복술의 의의
박영준 ( Park Yeong Jun ),이유석 ( Lee Yu Seog ),이규락 ( Lee Gyu Lag ),김영재 ( Kim Yeong Jae ),박건호 ( Park Geon Ho ),김성희 ( Kim Seong Hui ),박진실 ( Park Jin Sil ),박민수 ( Park Min Su ),김현희 ( Kim Hyeon Hui ),호정규 ( Ho 대한산부인과학회 2003 Obstetrics & Gynecology Science Vol.46 No.9
목적 : 상피성 난소암 환자 중 cis-platin 기조 항암화학요법을 시행 받은 군에서 임상적으로 완전관해를 보여 이차 추시개복술을 시행하였던 환자에서 조직학적인 관해에 따른 관해율, 재발율, 생존율 등을 비교 분석한다. 연구 방법 : 1983년 3월초부터 2002년 2월말까지 만 20년간 한양대학병원 산부인과에 내원하여 상피성 난소암으로 진단 받고 수술 및 항암화학요법을 시행하고 추적 관찰이 용이하였던 환자 중 임상적으로 완전 관해를 보여 이차 추시 Objective : To evaluate pathological complete remission rate (pCR), survival rate, recurrence rate, 91 patients who had clinical complete remission with epithelial ovarian cancer were studied. Methods : From 1983 to 2002, 91 consecutive patients with epit
폐렴을 의심하여 Levofloxacin과 Amikacin을 사용 후 일시적 호전을 보여 진단이 늦어진 폐결핵
이희석 ( Lee Hui Seog ),강영애 ( Kang Yeong Ae ),오진영 ( O Jin Yeong ),이재호 ( Lee Jae Ho ),유철규 ( Yu Cheol Gyu ),이춘택 ( Lee Chun Taeg ),김영환 ( Kim Yeong Hwan ),한성구 ( Han Seong Gu ),심영수 ( Sim Yeong Su ),임재준 ( Im J 대한결핵 및 호흡기학회 2003 Tuberculosis and Respiratory Diseases Vol.55 No.4