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RISS 인기검색어
- 검색키워드
- 저자 : 김유석(YS Kim) (검색결과 2 건)
- 무료
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김유석(YS Kim),최성욱(SW Choi),심은보(EB Shim) 대한기계학회 2008 대한기계학회 춘추학술대회 Vol.2008 No.5
An intracellular organelle that generates internal energy, mitochondria is involved in the metabolism of glucose and fatty acid. The team of S. Passarella (1984) in Italy confirmed that ATP synthesis increased and metabolism was activated when mitochondria extracted from liver cells of rats and irradiated He-Ne laser(wavelength 632.8 ㎚) with the output of 5 J/㎝2. Therefore, it is expected that when mitochondria in myocytes will be activated and internal metabolism will be promoted if we irradiate a laser with a similar wavelength as the He-Ne laser over the muscular muscle skin of a patientwith metabolic syndrome who has low glucose decomposition rate. The purpose of this study is to develop a laser control system which can irradiate a 570~650 ㎚ laser uniformly 3-4 ㎜ under the human skin using a semiconductor laser array to activate mitochondria. Furthermore, to check if the He-Ne laser can have sufficient output (5 J/㎝2) even after passing through a 5㎜ skin outside human skin, we measured the intensity of radiation that penetrates through a 5㎜-thick porcine skin.
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환자의 실시간 모니터링을 위한 간편한 RQ 측정기기의 개발
김유석(YS Kim),전형민(HM Jeon),최성욱(SW Choi),심은보(EB Shim) 대한기계학회 2008 대한기계학회 춘추학술대회 Vol.2008 No.11
RQ(Respiratory Quotient) value is obtained from the ratio of the consumed oxygen and the produced carbon dioxide during the patient's respiration. To investigate the efficacy of insulin and diagnosis the metabolic disorder in short time, the RQ value can be used as important parameter. The measurement of oxygen and carbon dioxide amounts is needed large chamber and complex sensors. But If the atmospheric oxygen and carbon dioxide concentrations do not change, the expiratory oxygen and carbon dioxide can be used to obtain RQ value. A convenient RQ measuring device has been developed by using two sensors for O2 and CO2. The estimation of RQ devices confirms that the RQ device can obtain accurate data by eliminating uncertain factor such as delay time and remaining gases.
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