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탄수화물 급원에 따른 HCA의 공급이 흰쥐의 체중 및 지질 대사에 미치는 영향
손영애(Son Young-Ae),정혜진(Jeong Hyejin),심지애(Shim Jee Ae),권상희(Kwon Sanghee),김미경(Kim Mi Kyung) 韓國營養學會 2007 Journal of Nutrition and Health Vol.40 No.8
This study was conducted to investigate the effects of feeding different carbohydrate sources and garcinia cambogia extract (HCA) on body weight and lipid metabolism. Fifty l0-month-old male Sprague-Dawley rats weighting 635 ±6g were randomly divided into 5 groups and fed different experimental diets for 4 weeks. The carbohydrate (CHO) sources of each group were cornstarch (control group, 100% of CHO), fructose (F group and FH group, 25% of CHO) and sucrose (S group and SH group, 25% of CHO). FH group and SH group were fed diets containing 1% (W/W) of HCA. Food intake, body weight gain, and calorie efficiency were not significantly different among the groups. Perirenal fat pad weight of FH group was significantly lower than F group, but epididymal fat pad weight was not different among the groups. Fasting glucose level were not significant among the groups. Plasma lipid profile of FH or SH group was slightly lower than F or S group, respectively. The degree of difference of plasma lipid level was greater between F and FH group than those of between S and SH group. In liver, total lipid, triglyceride and total cholesterol level were slightly higher in F group than S group, and tended to be lower in FH group than F group, but tended to be higher in SH group than S group. Liver citrate lyase activity were not significant among the groups. These results suggest that HCA is potential material for reduction of body weight and improvement of plasma lipid profiles. But, there was no difference between fructose intake with HCA and sucrose intake with HCA in reduction of body weight and lipid metabolism.
Kyungeun Son,Sanghee Kim,Sue Kim,Hei-cheul Jeung 한국간호과학회 2021 한국간호과학회 학술대회 Vol.2021 No.10
Aim(s): For the quality of care for cancer patients at the end of their lives, the healthcare professional’s competency regarding the end of life care is crucial. By measuring the competency of healthcare providers, an education program relating to a quality end-of-life care should be established. The purpose of this study was to develop instruments for identifying the knowledge, practice, and perceived barriers to end-of-life care among healthcare professionals caring for terminal cancer patients. Method(s): This study was designed to use methodological research. To measure the knowledge and practice of medical staff in end-of-life care, the first draft of the instrument was developed based on three national and international clinical practice guidelines, including “The end-of-life care clinical practice guidelines”(2020) by the Korean Society of Hospice and Palliative Medicine, the National Cancer Center, and the Ministry of Health and Welfare; “Care of dying adults in the last days of life” (2016) by the National Institute for Excellence in Health and Care; and “Palliative care Version Ⅱ” (2021) by the National Comprehensive Cancer Network. The first draft of the instrument consists of core items that were suggested for at least two of the guidelines. There were 20 initial items of knowledge, 16 items of practice, and 8 items of perceived barriers to end-of-life Care. To validate the developed instrument, 2 oncologists and 4 nurses with master"s degrees or higher and caring for cancer patients were evaluated for validity of content. In addition, the items related to perceived barriers were corrected and supplemented after receiving comments from them. Result(s): After expert validation, all items met the criteria except 1 with a CVI of less than 0.8. That item was deleted. Finally, 19 items of knowledge, 16 items of practice, and 12 items of perceived barriers regarding end-of-life care were established. The items consist of questions about imminent death, interventions in physical and psychological symptoms, and communication. Conclusion(s): This survey instrument was reported as applicable to both doctors and nurses, and as relevant to measuring health care providers’ knowledge, practice, and perceived barriers to end-of-life care. This instrument would be helpful in identifying and reducing the gap between the two groups in team nursing that require cooperation for end-of-life care. Ultimately, it provides basic data for research to provide high-quality end-of-life care to terminal cancer patients.
New Rail-to-Rail Column Driver for 8-bit Large TFT LCD Applications
Kyusik Lee,Jongbae Son,Wooram Lee,Sooyang Park,Sanghee Son,Wonsup Chung 대한전자공학회 2007 ITC-CSCC :International Technical Conference on Ci Vol.2007 No.7
In this paper, a high-speed low-power column driver using a new rail-to-rail scheme is proposed, designed and evaluated for large TFT LCD applications. The proposed output driver is composed of a differential amplifier stage, second amplifier stage, driver selector, dual push-pull output driver stage for rail-to-rail output driving and feedback path selector. The output driver amplifier achieves a very large driving capability by eliminating the RON of the output switches used for polarity control. This increases the output driving speed while retaining low quiescent current consumption and can minimize the area of the output driving transistors and switches used for output polarity inversion. The quiescent current consumptions for the PMOS input driver and NMOS input driver are 10uA/channel on average.
Park, Ginam,Lee, Sanghee,Son, Sang Jun,Shin, Seunghoon The Royal Society of Chemistry 2013 Green chemistry Vol.15 No.12
<P>Silica nanotubes (SNTs) functionalized with Pd-NPs on the inner surface performed as efficient nano-reactors for C–C coupling in water; the nano-confinement offers minimized leaching of Pd and yet efficient mass transfer for Suzuki–Miyaura coupling and C–H arylation of thiazoles in water with very high TON.</P> <P>Graphic Abstract</P><P>Silica nanotubes (SNTs) functionalized with Pd-NPs on the inner surface performed as efficient nano-reactors for C–C coupling in water; the nano-confinement offers minimized leaching of Pd and yet efficient mass transfer for Suzuki–Miyaura coupling and C–H arylation of thiazoles in water with very high TON. <IMG SRC='http://pubs.rsc.org/services/images/RSCpubs.ePlatform.Service.FreeContent.ImageService.svc/ImageService/image/GA?id=c3gc41672k'> </P>
Design and Layout of CMOS interface circuit for measuring photoplethysmogram
WooRam Lee,WanJik Lee,ChangSoo Won,SangHee Son,WonSup Chung,KyoungRok Cho 대한전자공학회 2008 ITC-CSCC :International Technical Conference on Ci Vol.2008 No.7
A CMOS interface circuit for measuring PPG(Photoplethysmogram) is proposed and designed by using current-control Schmitt trigger in this paper,. This circuit detects the blood beat using PPG which occurs in bloodbeat sensor and composed of analog and digital parts. Current signal of sensor is converted into voltage in analog parts and then converted into digital signal in digital parts. Compared to the conventional method, operation speed is increased and linear error is diminished by applying OTA(Operational transconductance amplifier) to Schmitt trigger circuit and oscillator. Also, proposed and designed circuit has some features of low power consumption, simple structure and high resolution compared with previous method.