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알코올 의존 환자에서 탄수화물결핍 트랜스페린과 신경성장인자의 변화
전찬민,박병양,변정현,이병철,함병주,허미나,최인근,Jeon, Chan-Min,Park, Boung-Yang,Byun, Jung-Hyun,Lee, Boung-Chul,Ham, Byung-Joo,Hur, Mina,Choi, Ihn-Geun 대한생물정신의학회 2007 생물정신의학 Vol.14 No.3
Objectives:Recent studies have raised the possibility that nerve growth factor(NGF) is abnormally regulated in the central nervous system(CNS) of animal models with alcohol dependence. The possible alteration of NGF by prolonged alcohol intake may play an important role in alcohol-induced neurotoxicity. Carbohydrate-deficient transferrin(CDT) is regarded as a reliable biological marker of alcohol dependence. The goal of this study was to estimate the changes of %CDT and serum NGF level according to the duration of alcohol abstinence, and to identify whether %CDT level is associated with the serum NGF level in the patients with alcohol dependence. Methods:The subjects were 24 patients with alcohol dependence. We used the Axis-Shield ASA to measure the %CDT level and the enzyme-linked immunosorbent assay(ELISA) to measure the serum NGF level. %CDT and NGF levels were measured immediately after the admission and at 2 weeks after the admission. Results:Decreased %CDT were observed during the period of 2 weeks after the admission. NGF level was not significantly different after 2 weeks. The NGF levels were not correlated with %CDT. The possibility of %CDT as a predictor of alcohol-induced neurotoxicity was not confirmed. Conclusion:Serum NGF levels is not a reliable indicator of abstinence state in the patients with alcohol dependence. Further studies are needed to evaluate the relation between two indicators in regard to hematological and neurological changes in alcohol dependence.
박찬원(Park Chan Won),전찬민(Jeon Chan Min),박흥준(Park Heung Joon) 강원대학교 산업기술연구소 2003 産業技術硏究 Vol.23 No.1
In this study, a signal processing and related techniques for development of a weight measuring system using a digital loadcell which is able to satisfy the important properties of WIM (weighing-in-motion) system have been investigated. A fast and high accurate signal processing of the digital load cell sensor for weighing in-motion system is presented. A/D conversion system is constructed to realize a stable A/D conversion and signal processing algorithm using DSP and microprocessor. A new technique for vibration and measuring speed of the system is also investigated. The proposed method was applied to the actual design and the experimental results showed good performance of the weighing speed and stability.
전찬민,전용일,황찬수,박태근 대한건축학회 2003 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.23 No.2
In currency crisis(IMF relief loan), the construction industry has prepared a foundation for existence by taking such desperate countermeasure as reducing a lot of construction companies and readjusting the their structure. Even though a number of employee of construction industry came to a million in 1996, it reduced to 980 thousand in 1997 and 710 thousand in 1998. After 1998, there was the trend about reducing a number of employee every year. The final goals of this study have inquired into the current situation of manpower supply and demand per region, compared and analyzed the circumstance of manpower supply and demand, and utilized references in decision-making between construction companies and students.
전찬민,우경헌,김중현,김경업,박태근 목원대학교 건축도시연구센터 2003 建築·都市環境硏究 Vol.11 No.-
The importance of LCC analysis has been enlarged. Also, it would be necessary to computerize LCC analysis for accurate and logical analysis of LCC. In other papers, they showed LCC analysis model but the study of database development which could be applied in LCC analysis have been undeveloped. This study showing the development of common database for the LCC analysis computerization inquires into cost breakdown structure by previous researches. Also, it makes cost breakdown structure for deriving LCC cost item. As a result, the standard of LCC analysis computerization by developing LCC DB of cost breakdown structure would be shown.
지명욱,전찬민,황찬수,박태근 대한건축학회 2003 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.23 No.1
The construction industry in interior is made up constructors and social situations. Since these social situations and the surroundings of construction industry are interacted and developed, we should understand the these situation. It would be necessary for us to understand both sides for setting the countermeasure. This study is looking for direct influence factors in the circumstance of construction industry and analyzed out this situation of the order and the received order as well as the side of industrial manpower surroundings by local area. Moreover, the comparison way in local area has the quantitative analysis and the actual condition analysis in data of estimation factors, consider mutual relation of tease factors, and decide the ranking in these data.
박찬원,전찬민,박희석 강원대학교 정보통신연구소 2004 정보통신논문지 Vol.8 No.-
A wearable electrodiagram(ECG) monitoring system is a widely used non-invasive diagnostic tool for ambulatory patients who may be at risk from latent life-threatening cardiac abnormalities. In this paper. we have a portable ECG monitoring system with conductive fiber characterized by the small-size and the low power consumption. The system consists of conductive fibers, one-chip microcontroller, ECG preprocessing circuit, and monitoring software to record and analyze in PC. ECG preprocessing circuit is made of pre-amplifier with gain of 10, band-pass filter with bandwidth of 0.5-120% and 2.5V offset circuit for A/D conversion. ECG signals obtained by sensor are corrupted by noises such as a baseline wandering, 60Hz power noise and interference noise by body movement. For cancellation of noises in signals obtained by conductive fiber, we used the wavelet decomposition of wavelet transforms in MATLAB toolbox.