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조영환,우창호,곽행구,박송희 木浦大學校 沿岸環境硏究所 1996 沿岸環境硏究 Vol.13 No.1
This study aims is suggested a development methods of reasonable for security to identity of urban park which supplement to demerits of urban natural park and arboretum. Park orinted arboretum had characteristic not only enjoyment but learned to use all facility of park and exhibition at the same time to function of scientific research, education and park. Case study is conducted on the YU DAL SAN in Mok po city.
Hybridization에 의한 반수체 재조합 효모균주의 전분 발효능 증진
박선영,김근,이창후 한국미생물생명공학회 ( 구 한국산업미생물학회 ) 1996 한국미생물·생명공학회지 Vol.24 No.6
Hybridization을 통하여 α-amylase와 glucoamylase를 동시에 분비하는 재조합 단수체 효모균주 Saccharomyces diastaticus K114의 전분분해력, 에탄올내성, 당내성, 고온내성등의 발효특성을 증진시키고자 하였다. 이 단수체 효모균주와 glucoamylase의 활성이 좋고 여러가지 발효능이 우수한 단수체 효모균주 S. diastaticus 1177과의 hybridization 결과 얻어진 hybrid HH64주는 에탄올내성, 고온과 당내성이 증진되었으며, 특히 4%의 전분으로부터 1.6%(w/v)의 에탄올을 생산하여, 1.30%(w/v)의 에탄올을 생산한 재조합균주 S. diastaticus K114보다 전분으로부터 에탄올 생성능이 크게 증진되었다. 한편 이 HH64균주의 전분발효에 있어서의 최적온도 및 pH는 각각 30℃와 5이어다. 개발된 hybrid 효모 HH64sms 20%의 전분으로부터 7.5(w/v)의 에탄올을 직접 생산하였다. To improve the fermentation characteristics(such as starch-degradability, ethanol tolerance, sugar and high-temperature tolerance) of recombinant haploid yeast Saccharomyces diastaticus K114, hybridization technique was used. The hybridization partner was S. diastaticus 1177 which had good glucoamylase activity and fermentability. The best hybrid HH64 showed improved ethanol tolerance, sugar and high-temperature tolerance. Especially, the starch-fermentability was significantly improved, since the hybrid produced 1.60% (w/v) ethanol from 4% (w/v) starch, while the recombinant haploid K114 produced 1.30% (w/v) ethanol. The optimum temperature and pH for the starch-fermentation by the hybrid HH64 was 30℃ and 5, respectively. The hybrid yeast HH64 produced 7.5% (w/v) ethanol directly from 20% (w/v) starch.
매설방법과 차량하중에 따른 벤더형 압전에너지 하베스터의 설계 및 평가
김창일,정영훈,윤지선,조정호,백종후,장용호,최범진,박신서,조영봉,Kim, Chang-Il,Jeong, Young-Hun,Yun, Ji-Sun,Cho, Jeong-Ho,Paik, Jong-Hoo,Jang, Yong-Ho,Choi, Beom-Jin,Park, Shin-Seo,Cho, Young-Bong 한국전기전자재료학회 2016 전기전자재료학회논문지 Vol.29 No.5
A road energy harvester was designed and fabricated to convert mechanical energy from the vehicle load to electrical energy. The road energy harvester is composed of 20 piezoelectric materials. This study attempted to evaluate output depending on pavement materials when paving road piezoelectric energy harvester in the road. Harvester is the bender type and is the method of supporting the both ends of piezoelectric material and applying the load in the middle part. Harvester was paved in the type paved with asphalt, type paved with cement and in the exposed type not covering the top of harvester. The output characteristics were compared and evaluated depending on changes in vehicle load and vehicle speed changes. As vehicles, truck (11.9 ton), SUV(1.6 ton) and sedan (1.5 ton) were used and the output characteristics when driving at the interval of 10 km/h from 10 km/h to 100 km/h were evaluated.
Efficient in vitro amplification with teflon beads of PrPCWD in CWD affected cervid
Hoo Chang Park(Hoo Chang Park),Kyung-Je Park(Kyung-Je Park),In-Soon Roh(In-Soon Roh),Hyo-Jin Kim(Hyo-Jin Kim),Tae-Young Suh(Tae-Young Suh),Hae-Eun Kang(Hae-Eun Kang),Hyun-Joo Sohn(Hyun-Joo Sohn) 한국예방수의학회 2018 한국예방수의학회 학술대회자료집 Vol.2018 No.-
한국인에서 전립선암으로 호르몬치료를 받는 환자의 대사성 변화
박창후(Chang Hoo Park),성기택(Gi Teck Sung),김세영(Sea Young Kim),김성진(Sung Jin Kim),홍성우(Sungwoo Hong),김종원(Jongwon Kim),박창면(Chang Myon Park),김한권(Han Kwon Kim),박종연(Jong Yeon Park) 대한비뇨기종양학회 2010 대한비뇨기종양학회지 Vol.8 No.2
Purpose: In men with prostate cancer, Androgen deprivation therapy shows a variety of well recognized metabolic alteration. But it is not known in Korean men with prostate cancer. To better characterize the metabolic effects of androgen deprivation therapy in Korean men, we evaluated the changes in fat thickness, bone mineral density (BMD), body mass index (BMI), and levels of hemoglobin (Hb) and cholesterol. Materials and Methods: From December 2002 to December 2008, 148 Korean men treated with leuprolide depot and bicalutamide for prostate cancer and 100 healthy subjects were investigated included change from baseline to month 12 in fat thickness, bone mineral density (BMD), body mass index (BMI), and levels of hemoglobin (Hb) and cholesterol. Fat thickness was estimated from subcutaneous fat thickness at T10 level through CT or MRI image. We also compared them with data from healthy subjects. Results: The mean fat thickness was significantly increased by 22.9% from baseline (16.6mm) to month 12 (20.4mm) in men with prostate cancer (p<0.001). The BMD was significantly decreased by 4.2% from 0.95 to 0.91 (p<0.001). The BMI was significantly increased by 4.8% from 23.0kg/m² to 24.1kg/m² 43 (p<0.001). The hemoglobin level was significantly decreased. In contrast, the cholesterol levels did not change significantly. The patients with prostate cancer had significant changes in fat thickness, BMD, and BMI, compared with healthy subjects (p<0.005, respectively). But there are no significant changes in hemoglobin and cholesterol levels. Conclusions: Our results show that Korean men with prostate cancer have increased abdominal subcutaneous fat and BMI and have decreased BMD during androgen deprivation therapy. These increases the risk of bone fracture and obesity related complication. Therefore, BMD will be checked periodically and carry out exercise program to prevention obesity during androgen deprivation therapy.
박영희,한성민,김화영,박석준,이창후,김석은,강정협,곽경근,박해규,소순찬 대한소화기학회 2000 대한소화기학회지 Vol.35 No.4
Hepatocellular carcinoma (HCC) usually spreads to the lung and regional lymph nodes by direct extention, lymphatic route, and vascular dissemination. Rarely, it happens to metastasize to the bones. Metastases to other organs such as bones seem to occur by erosions of pulmonary veins into the systemic circulation or retrogradely, into vertebral venous plexuses via portal vein. Treatment results were poor with a median survival of 5 months. We experienced multiple bone metastases in a 61-year-old male patient with small HCC. In conclusion, this report is valuable in presenting unusual multiple bone metastases in small HCC.
Changes of depression and job stress in workers after merger without downsizing
Jun Ick Jung,Jun Seok Son,Young Ouk Kim,Chang Ho Chae,Chan Woo Kim,Hyoung Ouk Park,Jun Ho Lee,Young Hoo Shin,Jea Chul Ha 대한직업환경의학회 2018 대한직업환경의학회지 Vol.30 No.-
Background: Since the 1980s, restructuring, which includes downsizing, closures, mergers, and privatization, has expanded worldwide, and various studies have investigated its effect on health. However, previous studies have mainly focused on restructuring accompanied by massive lay-offs, and the effect of a merger on workers’ health is still controversial. This study aims to investigate changes in worker depression and job stress after a merger without downsizing, which is unusual in Korea. Methods: Repeated surveys were done in April 2014, April 2015, and April 2016 involving the participation of 209 subjects. Participants were divided into two groups, which were comprised of blue-collar workers (104) and whitecollar workers (105). Sociodemographic characteristics, including age, education level, job tenure, gender, marital status, smoking status, and alcohol consumption, were measured via a survey. To determine the level of depression, the Korean version of the Center for Epidemiologic Studies Depression Scale (CES-D) was employed, and to investigate job stress, the Korean Occupational Stress Scale-Short Form (KOSS-SF) was used. For statistical analyses, Pearson’s chi-square test, the Student’s t-test, and repeated measure analysis of variance (ANOVA) were performed. Results: The results showed that depression (CES-D, F[2, 400] = 0.466, p = 0.628) was changed but without significance and job stress (KOSS-SF, F[1.899, 379.831] = 3.192, p = 0.045) were significantly different. The betweengroup difference in the CES-D score between the blue- and white-collar workers by survey administration time was not statistically significant (F = 0.316, p = 0.574). The interaction between the survey time and occupational group was also not statistically significant (F = 0.967, p = 0.381). The between-group difference in the KOSS-SF total score was not statistically significant (F = 1.132, p = 0.289), and the interaction between the survey administration time and occupational group was also not significant (F = 0.817, p = 0.437). In the job stress subgroup analyses Job insecurity and Lack of reward showed a significant difference by survey administration time. Conclusion: This study showed that a merger without massive downsizing can cause negative health effects such as an changes in depression and increase in job stress. To improve the health of workers, both the immediate negative effects on health, and the long-term effects or their resolution over time should be considered prior to the merger.