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Improved cycle performance of annealed Si/Ni/Cu film electrodes
Cho, Gyu-Bong,Noh, Jung-Pil,Bae, Sang-Ho,Kim, Ji-Heon,Lee, Jung-Goo,Kim, Ki-Won Royal Swedish Academy of Sciences 2010 Physica scripta Vol.2010 No.t139
<P>Electrochemical properties of Si/Ni/Cu film electrodes were investigated with different Ni film thicknesses (50–600 nm) and annealing temperatures (200–500 °C). The morphology of amorphous Si film was considerably affected by surface features of the Ni under-layer. The best cycle performance of 90.2% retention after 70 cycles was obtained from Si/Ni/Cu film with 300 nm thick Ni film and after 400 °C annealing. For the annealed Si/Ni/Cu electrode, the surface morphology (protrusions) and the formation of compounds among Si, Ni and Cu prohibited the volume expansion of Si during the charge–discharge process and enhanced adhesion between films and substrate, respectively.</P>
Cho, Yun-Ju,Kim, Dong-Hyeon,Jeong, Dana,Seo, Kun-Ho,Jeong, Heon Sang,Lee, Hyeon Gyu,Kim, Hyunsook Elsevier 2018 FOOD SCIENCE AND TECHNOLOGY -ZURICH- Vol.90 No.-
<P>Few studies have assessed the probiotic characteristics and antioxidant activity of the kefir-derived yeast, Kluyveromyces marxianus, and its synergistic interactions with polyphenol-rich grape seed flour (GSF)/extract (GSE). We examined several probiotic characteristics (gastric resistance, intestinal resistance, cholesterol reduction, adhesiveness to intestinal cells) of four K. marxianus strains. Each of the yeasts showed 5-25% greater intestinal cell adhesiveness than that of Lactobacillus acidophilus. Among the four yeast strains, K. marxianus KU140723-02 (KM2) exhibited the greatest antioxidant activity. When incubated with GSF/GSE, its antioxidant activity was synergistically increased by two-fold. In conclusion, a combination of kefir-derived yeast KM2 and GSF/GSEs may be a novel functional food ingredient with antioxidant properties targeting gut health.</P>
검진을 통한 한국 직장성인의 비만 유병률과 혈청 지질성분에 관한 연구
이규장 ( Gyu Jang Lee ),김순기 ( Soon Ki Kim ),이창규 ( Chang Kyou Lee ),이승관 ( Seung Gwan Lee ),오지헌 ( Ji Heon Oh ),조경진 ( Kyung Jin Cho ) 대한임상검사과학회 2008 대한임상검사과학회지(KJCLS) Vol.40 No.1
Obesity is correlated with diabetes mellitus, hyperlipidemia, hypertension, cardiovascular, renal, neurologic, psychological and many other disease. Owing to the elevated income and behavioral changes, the prevalence of obesity has remarkably increased in Korea also. Considering the trend of the epidemic, we can easily expect the excessive spendings for the treatment of the obesity-related diseases in near future. In order to check the prevalence of obesity and serum lipid levels of Korean employees, we analyzed the medical check-up sample data of 10,332 adults who took physical check-ups at an institute in 2006. Through the logistic regression analysis we found the prevalence rate of total risk group showing ≥23.0Kg/m2 was 57.4% and uric acid was found to be a definitive factor in the prevalence of obesity. Among the adults who eat more meat, drink more and smoke more smoking, the values of BMI, uric acid, cholesterol, HDLand LDL-cholesterol and TG were significantly higher than rest of the examinees. And the average BMIs were significantly higher among those who have risk factors of liver disease, hypertension, cardiovascular and heart disease, and diabetes mellitus.
Basophil Activation Test with Food Additives in Chronic Urticaria Patients
( Min Gyu Kang ),( Woo Jung Song ),( Han Ki Park ),( Kyung Hwan Lim ),( Su Jung Kim ),( Suh Young Lee ),( Sae Hoon Kim ),( Sang Heon Cho ),( Kyung Up Min ),( Yoon Seok Chang ) 한국임상영양학회 2014 Clinical Nutrition Research Vol.3 No.1
The role of food additives in chronic urticaria (CU) is still under investigation. In this study, we aimed to explore the association between food additives and CU by using the basophil activation test (BAT). The BAT using 15 common food additives was performed for 15 patients with CU who had a history of recurrent urticarial aggravation following intake of various foods without a definite food-specific IgE. Of the 15 patients studied, two (13.3%) showed positive BAT results for one of the tested food additives. One patient responded to monosodium glutamate, showing 18.7% of CD203c-positive basophils. Another patient showed a positive BAT result to sodium benzoate. Both patients had clinical correlations with the agents, which were partly determined by elimination diets. The present study suggested that at least a small proportion of patients with CU had symptoms associated with food additives. The results may suggest the potential utility of the BAT to identity the role of food additives in CU.