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김인건,남태훈,정익주,Kim, In-Geon,Nam, Tae-Hun,Chung, Ik-Joo 강원대학교 산업기술연구소 2013 産業技術硏究 Vol.33 No.1
The U-healthcare is increasingly important as there is a growing tendency for elderly people to acquire chronic disease such as heart problems and high blood pressure. In this paper, we implemented an oximeter which can interact and communicate with the smart devices such as smartphones through which users can manage their measuring data. The designed pulse oximeter is capable of detecting hemoglobin saturation levels in the range of 70-100% and the heart beat rate(BPM) in the range of 30-240 BPM.
04 포스터 발표 : 환경 화학 분야(PC) ; PC-10 : 농경지 토양 중 PCB의 분포
전황주 ( Hwang Ju Jeon ),구본화 ( Bon Hwa Ku ),남태훈 ( Tae Hun Nam ),김용찬 ( Yong Chan Kim ),이지형 ( Ji Hyoung Lee ),최재일 ( Jae Il Choi ),이성은 ( Sung Eun Lee ) 한국환경농학회 2015 한국환경농학회 학술대회집 Vol.2015 No.-
Polychlorinated biphenyl (PCB) compounds are persistent and hazardous to the environment. They are frequently found in industrial areas because their uses were bound to industrial purposes. However, it has been reported that PCBs can be translocated to agricultural soils via various ways. Therefore, PCBs are also found in agricultural foods including crops. PBCBs are consisted of 209 congeners and analyzed by GC-ECD, GC-MS and HRGC-HRMS. In this study, 27 PCB congeners were used to monitor PCBs in agricultural soil samples collected in Chungcheong and Gyeonggi Provinces. Prior to analyze soil samples, method validations were undertaken to know precision, accuracy, and recovery using #209 PCB congener (DeCB1, decachlorobiphenyl) followed by a method certified Environment Protection Agency. Those validation results were acceptable and all procedures containing soxhlet extractions and column chromatography for clean-up were adopted for analysis. All soil samples were analyzed for their basic properties including soil organic contents and soil pH. All soil samples were undertaken by soxhlet extraction for 16 h. Silicagel column chromatography was employed to clean up the samples and the final eluate was evaporated and then redissolved in toluene after complete dryness. The samples were analyzed using GC-ECD. Some of PCB congeners were found in these analyses and finally needs to be confirmed by GC-Ms and HRGC-HRMS.