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Kim Jae Heon,Shim Ji Sung,Kim Jong Wook,Doo Seung Whan,Bae Jae Hyun,Lee Ju Han,Song Yun Seob,Kim Je Jong,Moon Du Geon 대한남성과학회 2020 The World Journal of Men's Health Vol.38 No.3
Purpose: To validate a novel arteriogenic erectile dysfunction (ED) model with atherosclerosis (AS) based on molecular and histologic evidence induced by chronic pelvic ischemia (CPI) and determine effect of phosphodiesterase-5 inhibitor treatment. Materials and Methods: Twenty 16-week-old male Sprague–Dawley rats were divided into three experimental groups (Group I, untreated sham-operated rats with regular diet; Group II, CPI with cholesterol diet; Group III, CPI model with cholesterol diet and mirodenafil). Erectile function was accessed using maximum intracavernous pressure (ICP) and ICP/mean arterial pressure (MAP). Molecular changes were examined by western blot analysis using hypoxia inducible factor 1-alpha (HIF-1α), endothelial nitric oxide synthase (eNOS), and transforming growth factor beta-1 (TGF-β1) antibodies. Collagen change was evaluated by Masson’s trichrome staining. Results: In vivo measurements of ICP and ICP/MAP in Group II were significantly lower than those in Group I (p<0.01). Smooth muscle/collagen ratio in Group II was significantly lower than that in Group I (p<0.05). After treatment with mirodenafil for four weeks, Group III showed significantly higher levels of ICP and ICP/MAP than Group II (p<0.05). Western blot analysis showed that HIF-1α and TGF-β1 levels were significantly higher in Group II whereas eNOS levels were significantly lower in Group II than those in Group I or III. Conclusions: A novel arteriogenic ED with AS model is successfully induced by CPI and validated based on molecular and histologic evidences.
식품알레르기로 인해 흡수 장애와 빈혈을 일으킨 호산구성 위장염 1예
김영건 ( Young Geon Kim ),임은수 ( Eun Soo Lim ),김형주 ( Hyoung Joo Kim ),최원선 ( Won Sun Choi ),홍가나 ( Ga Na Hong ),신유섭 ( Yoo Seob Shin ) 대한천식알레르기학회 2015 Allergy Asthma & Respiratory Disease Vol.3 No.3
Eosinophilic gastroenteritis (EG) is a rare disease characterized by massive eosinophilic infiltration of gastrointestinal tissue, peripheral eosinophilia, and nonspecific gastrointestinal symptoms. The mucosal type of EG commonly presented with malabsorption and anemia. However, the role of food allergy as a stimulus to EG has not yet been clearly defined. A 27-year-old man was referred to the Emergency Department with dyspepsia and leg swelling. The initial laboratory test should as follows: hemoglobin level, 6.4 g/dL; white blood cell count, 7,400/μL with 24.4% of eosinophil fraction; serum total protein, 3.9 g/dL; albumin level, 2.8 g/dL. Gastric endoscopy ruled out gastrointestinal bleeding showed multiple nodular raised lesions on the gastric antrum, which revealed increased eosinophilic infiltration (above 100/high power field). He had experienced nausea whenever eating beef, porks or fish. High serum specific IgE levels to offending foods (beef, 0.82 kU/L; pork, 0.83 kU/L; egg white, 0.40 kU/L; egg yolk, 0.54 kU/L; milk, 0.81 kU/L) were noted. He was instructed strictly to avoid food allergens with oral prednisolone therapy. Approximately 6 months after offending food restriction, the eosinophil count fell down to 400/μL, the hemoglobin level was returned to 11.5 g/dL and the serum albumin level was increased to 4.1 g/dL. We report a case of EG caused by multiple food allergy which leads to malabsorption and iron-deficiency anemia.(Allergy Asthma Respir Dis 2015;3:228-231)
Lim, Jong Guk,Kim, Gi Young,Mo, Chang Yeun,Oh, Kyoung Min,Kim, Geon Seob,Yoo, Hyeon Chae,Ham, Hyeon Heui,Kim, Young Tae,Kim, Seong Min,Kim, Moon S. Korean Society for Agricultural Machinery 2017 바이오시스템공학 Vol.42 No.4
Purpose: This study was conducted to discriminate between normal hulled barley and Fusarium (Fusarium asiaticum and Fusarium graminearum) infected hulled barley by using the near-infrared spectroscopy (NIRS) technique. Methods: Fusarium asiaticum and Fusarium graminearum were artificially inoculated in hulled barley and the reflectance spectrum of the barley spike was obtained by using a near-infrared spectral sensor with wavelength band in the range 1,175-2,170 nm. After obtaining the spectrum of the specimen, the hulled barley was cultivated in a greenhouse and visually inspected for infections. Results: From a partial least squares discriminant analysis (PLS-DA) prediction model developed from the raw spectrum data of the hulled barley, the discrimination accuracy for the normal and infected hulled barley was 99.82% (563/564) and 100% (672/672), respectively. Conclusions: NIRS is effective as a quick and nondestructive method to detect whether hulled barley has been infected with Fusarium. Further, it expected that NIRS will be able to detect Fusarium infections in other grains as well.
( Jong Guk Lim ),( Gi Young Kim ),( Chang Yeun Mo ),( Kyoung Min Oh ),( Geon Seob Kim ),( Hyeon Chae Yoo ),( Hyeon Heui Ham ),( Young Tae Kim ),( Seong Min Kim ),( Moon S. Kim ) 한국농업기계학회 2017 바이오시스템공학 Vol.42 No.4
Purpose: This study was conducted to discriminate between normal hulled barley and Fusarium (Fusarium asiaticum and Fusarium graminearum) infected hulled barley by using the near-infrared spectroscopy (NIRS) technique. Methods: Fusarium asiaticum and Fusarium graminearum were artificially inoculated in hulled barley and the reflectance spectrum of the barley spike was obtained by using a near-infrared spectral sensor with wavelength band in the range 1,175-2,170 nm. After obtaining the spectrum of the specimen, the hulled barley was cultivated in a greenhouse and visually inspected for infections. Results: From a partial least squares discriminant analysis (PLS-DA) prediction model developed from the raw spectrum data of the hulled barley, the discrimination accuracy for the normal and infected hulled barley was 99.82% (563/564) and 100% (672/672), respectively. Conclusions: NIRS is effective as a quick and nondestructive method to detect whether hulled barley has been infected with Fusarium. Further, it expected that NIRS will be able to detect Fusarium infections in other grains as well.
Kim, Dong Uk,Park, Kwan Seob,Jeong, Chan Bae,Kim, Geon Hee,Chang, Ki Soo The Optical Society 2016 Optics express Vol.24 No.13
<P>Thermoreflectance microscopy is essential in understanding the unpredictable local heating generation that occurs during microelectronic device operation. However, temperature measurements of multi-layered semiconductor devices represent a challenge because the thermoreflectance coefficient is quite small and is dramatically changed by the optical interference inside transparent layers of the device. Therefore, we propose a spectroscopic thermoreflectance microscopy system using a systematic approach for improving the quantitative temperature measurement of multi-layered semiconductor devices. We demonstrate the quantitative measurement of the temperature profile for physical defects on thin-film polycrystalline silicon resistors via thermoreflectance coefficient calibration and effective coefficient. estimation. (C) 2016 Optical Society of America</P>