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Song, Sun-Wha,Kwak, Sang-Soo,Lim, Soon,Kwon, Suk-Yoon,Lee, Haeng-Soon,Park, Yong-Mok The Ecological Society of Korea 2006 Journal of Ecology and Environment Vol.29 No.5
Ecophysiological parameters of non-transgenic sweetpotato (NT) and transgenic sweetpotato (SSA) plants were compared to evaluate their resistance to multiple environmental stresses. Stomatal conductance and transpiration rate in NT plants decreased markedly from Day 6 after water was withheld, whereas those values in SSA plants showed relatively higher level during this period. Osmotic potential in SSA plants was reduced more negatively as leaf water potential decreased from Day 8 after dehydration treatment, while such reduction was not shown in NT plants under water stressed condition. SSA plants showed less membrane damage than in NT plants. As water stress and high light stress, were synchronously applied to NT and SSA plants maximal photochemical efficiency of PS II ($F_v/F_m$) in NT plants markedly decreased, while that in SSA plants was maintained relatively higher level. This trend of changes in $F_v/F_m$ between SSA plants and NT plants was more conspicuous as simultaneously treated with water stress, high light and high temperature stress. These results indicate that SSA plants are more resistive than NT plants to multiple environmental stresses and the enhanced resistive characteristics in SSA plants are based on osmotic adjustment under water stress condition and tolerance of membrane.
Soon-Yong Son,최보영,이정우,김정민,정회원,Ham-Gyum Kim,Wha-Sun Kim,Kwang-Yeul Lyu,Jung-Whan Min,Ki-Won Kim 한국물리학회 2014 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.65 No.11
Regular quality assurance (QA) of image quality is essential for reasonable patient dose andaccurate treatment. Thus, QA should be performed as a routine for correction. The purpose of thisstudy was to evaluate the modulation transfer function (MTF), the noise power spectrum (NPS) andthe detective quantum efficiency (DQE) of the computed radiography (CR) system and the digitalradiography (DR) system by using the edge method in megavoltage X-ray imaging (MVI). We usedan edge block, which consisting of tungsten with dimensions of 19 (thickness) × 10 (length) × 1(width) cm3 and measured the pre-sampling MTF by using a 6-megavolt (MV) energy. Computedradiography with an image plate (CR-IP) showed the values of 0.4 mm−1 and 1.19 mm−1 for MTF0.5 and 0.1. In the DR group, Elekta iViewGT showed the highest value of 0.27 mm−1 for MTF0.5, and Siemens BEAMVIEWPLUS showed the highest value of 0.98 mm−1 for MTF 0.1. In CR,the NPS of CR-IP showed a favorable noise distribution. Thus, in the DR group, the NPS ofElekta iViewGT showed the highest noise distribution. CR-IP showed values at peak DQE and 1mm−1 DQE of 0.0013 and 0.00011, respectively. In the DR group, Elekta iViewGT showed thebest efficiency at a peak DQE of 0.0009, and Siemens BEAMVIEWPLUS showed the best efficiencyat a 1-mm−1 DQE of 0.000008. The edge method produced fast assessments of the MTF and theDQE. We could validate the evaluation of the edge method by comparing of the CR system to theDR system. This study demonstrated that the edge method can be used for not only traditionalQA imaging but also quantitative MTF, NPS and DQE measurements in detector development.
여자노인(女子老人)의 복지증진(福祉增進)을 위한 의(依) · 식(食) · 소비지출(消費支出) 및 기타 생활실태(生活實態) 연구(硏究)
김화영(Wha Young Kim),최혜선(Hei Sun Choi),정순희(Soon Hee Joung) 한국노인복지학회 1999 노인복지연구 Vol.3 No.-
Korea, like many other countries, enters the 21st century with a larger proportion of the aged in its population than ever before. Past successes in improving the public`s health and living environments now make it possible for many persons to rach old age. This study was designed to analyze the living conditions of older koreans as ageneral and to illuminate the disaggregated view of the present status of the elderly according to age, living status, family living arrangements and health condition. Data were obtained from 188 old women living in Seoul and suburban. The results of this study indicate that each major risk factor(Disease, Eating poorly, Involuntary weight loss or gain, The degree of the backbond /shoulder bending, Reduced social contact, Consumer problem experience, Total expenditures) becomes more prevalent as individuals advance in age and recede in living status. Particularly, the result that the elderly living with their son reported relatively poor conditions in diseases and in all kinds of activities deserves to be special attention. Also, compared with other family living types, the elderly with their son reported the most dissatisfied about the present living expenses, indicating the higher possibility of the deprived status of them.
절제 불가능한 우측 결장암 환자에서 선행 항암화학요법 후 근치적 절제를 시행한 1예
박순도 ( Soon Do Park ),이길연 ( Kil Yeon Lee ),박선진 ( Sun Jin Park ),이상목 ( Sang Mok Lee ),홍성화 ( Sung Wha Hong ) 대한임상종양학회 2009 Korean Journal of Clinical Oncology Vol.5 No.1
국소적으로 진행된 대장암이란 대장암이 원격전이가 아닌 직접 주변장기로 침범된 경우를 말하는데 대장암의 병기 분류상(AJCC TNM stage, 2002) T4에 해당한다. 이의 치료로 주 병변과 주위 장기를 한꺼번에 절제(multivisceral, en bloc resection)하는 것을 권하고 있다. 진행된 대장암의 치료는 보통 근치적 절제술과 수술 전후의 항암화학요법이 시행되지만 다른 장기로의 전이가 있을 때에는 항암화학요법과 고식적 수술만이 가능한 경우가 있다. 저자들은, 1차 수술 시 인접장기로의 암의 직접 침윤과 암 주위부로의 심한 유착으로 절제가 불가능하여 고식적 장우회술을 시행한 후 2번의 추가적인 항암화학요법을 시행한 후 재차 시행한 수술로 근치적 절제가 가능했던 체험 예를 보고하고자 한다. Locally advanced colon cancer means T4 stage cancer directly invading adjacent organ regardless of distant metastasis. When the cancer is resectable, multivisceral en bloc resection is recommended. Overall survival can be prolonged by multivisceral en bloc resection in right colon cancer invading pancreas head or duodenum. We report a case of curative resection after neoadjuvant chemotherapy in locally advanced, unresectable right colon cancer. 52-year-old female was diagnosed as cancer in hepatic flexure of colon, which was involving pancreas head and 2nd portion of duodenum. Right hemicolectomy and pylorus preserving pancreaticoduodectomy (PPPD) were planned at the 1st operation, but palliative ileocolostomy was constructed because of massive peritumoral invasion and adhesion. After 5 cycles of XELOX chemotherapy regimen, patient`s CEA level decreased to normal and CT scans showed smaller colonic tumor, and disappeared pancreatic and duodenal metastasis. So we could do right hemicolectomy and lymph node dissection. 5 months later after adjuvant chemotherapy (12 cycles of FOLFIRI), recurrent cancer was found in 2nd portion of duodenum, so we had to do PPPD. The patient still alives without cancer recurrence for 19 months after the last operation. This case highlights the possibility of curative resection after neoadjuvant chemotherapy in initially unresectable locally advanced right colon cancer.
정화선,김채주,차순철 영남대학교 의과대학 1992 Yeungnam University Journal of Medicine Vol.9 No.1
저자들은 반흔성 안검내반, 검연성 안검내반 및 안검하수교정술후 발생한 안검내반 환자 28명 54안에 대하여 안검연외전술을 시행하였다. 상안검이 28례, 하안검이 26례였으며, 성별은 여자 환자가 20명 남자환자가 8명이었고 연령은 4세에서 74세(평균 51.1세)이었다. 술후 6-48개월간 경과관찰을 하여 45례에서는 술후 피부반흔은 거의 없었고 안검연의 외전효과가 훌륭하여 만족할 만한 결과를 얻었다. 그러나 심한 첩모난생을 가진 검연성 안검내반 환자 9예에서는 첩모난생이 재발하여 이에 대한 이차적 치료가 요망되었다. Fifty-four marginal rotation procedures for cicatrical entropion and marginal entropion were performed in twenty-eight patients(8 males, 20 females). The age ranged from 4 to 74 years old(mean 51.1 years old). After the follow up periods of 6 to 48 months, excellent correction of the eyelid margin and good cosmetic appearance were noticed in most cases, but nine cases combined with severe trichiasis showed recurred trichiasis requiring reoperation.
노선진(Sun-Jin Noh),정경식(Kyung-Sick Jung),서승표(Seung-Pyo Seo),손부순(Bu-Soon Son),이종화(Jong-Wha Lee),이치원(Che-Won Lee) 대한환경위생공학회 2006 대한환경위생공학회지 Vol.21 No.1
This study is measured in at ozone concentrated places in school and outside of school where places that use copy machine and the others do not use one. Library copy room, Search room, Y-copy, J-copy, R-shop are the places using copy machines and Search room, K-apt, J-billiard hall are the opposite. The measurement was held three times a day-the morning, the afternoon and the evening-once for each at indoor and outdoor. 8 places were lower than domestic ozone concentration standard(0.06ppm). The indoor ozone concentration average was the highest in Search room of school and was the lowest in Library restroom. The outdoor ozone concentration average was the highest in J-billiard hall.