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      • KCI등재

        어린이집 급식에 대한 식품 기호도 및 만족도 조사 연구

        이선주,박어진,박금순 동아시아식생활학회 1999 동아시아식생활학회지 Vol.9 No.1

        This study was conducted to investigate mean height, weight, food preference and satisfaction of 231 children in preschool in four different regions(Susung-ku, Jung-ku, Nam-ku, Dalseo-ku) of Taegu. Mean height of the children was increased by priority of Jung-ku, Dalseo-ku, Susung-ku and Nam-ku, and mean weight was of Jung-ku, Susung-ku, Dalseo-ku and Nam-ku. In food preference, boiled rice had the highest score of cooked rices in all of the different regions, jajangmyun had the highest score of noodles in Susung-ku, Jung-ku and Dalseo-ku. Cake had the hightest score of breads in Susung-ku and had significantly difference all the kind of other regions. Songpyun had the highest score of rice cakes in all four regions. Jangjorimhad the highest score of jorim foods in all four regions, but anchovy and green pepper jorim had the lowest. Toasted lavor and steamed chicken had the highest of toasted foods and steamed foods, respectively. Salads had the highest of muchimryu, cooked potherbs and salads in all regions but kimchi and jangachi had low scores. Sujungkua had the lowest scores of beverages in all regions, but chocolate had the highest scores of cookies. In food intake satisfaction according to the regions, regularity, variety, hygiene, amount, and quantity of meal had the highest in dalseo-ku. Food temperature was highest in susung-ku. There was a direct correlation between type of housing and satisfaction in diversity of foods.

      • KCI등재

        주요 식이섬유질원이 첨가된 식이가 노화 흰쥐의 장내효소 및 유해산물에 미치는 영향

        강어진,이상선,양차범,신현경 한국식품영양학회 1998 韓國食品營養學會誌 Vol.11 No.5

        한국에서 주로 섭취되고 있는 주요 식이섬유질원으로서 장내 유익균의 생육을 촉진한다고 알려진 사과, 미역, 쑥, 머위를 천연 형태로 건조분말화하여 식이내에 5%, 15%가 되게 첨가한 후 노화가 진행된 흰쥐에게 4주간 급여하였다. 그 결과 β-glucuronidase는 셀를로스군과 미역 15% 첨가군에서 가장 낮은 활성을 나타냈으며 β-glucuronidase의 경우는 쑥 15% 첨가군에서 유의적으로 현저한 증가를 보였다. 부패산물인 인돌 함량 변화는 쑥 섭취군에서 현저하게 낮은 경향을 보여 β-glucuronidase와는 다른 양상을 보였다. 수분함량은 미역섭취군과 쑥5%, 머위15% 섭취군에서 높았으며 pH는 쑥 15% 섭취군이 가장 낮은 값을 보여주었다. 쑥 15% 섭취군이 장내균총 조성을 개선시킬 수 있을 것으로 보고되어 그 유의성을 밝히고자 하였으나 본 실험에서는 부패산물, 유해효소등과 장내균총의 조성과의 뚜렷한 관계는 발견하지 못하였다. This study was performed to investigate the influence of various dietary fiber sources in Korea for activities of bacterial enzymes (β-glucosidase, β-glucuronidase) and amounts of putrefactive product (indole) in aged rats β-Glucosidase activity in the intestinal content was significantly lower in the sea mustard 15% group than in other groups whereas the activity of β-glucuronidase was higher in the mugwort 15% group than other experimental groups. The amount of indole and pH in the intestinal content of aged rats were significantly lower in mugwort groups than in other groups.

      • 1995년 서울지역 거주자에서 발생한 Plasmodium Vivax에 의한 Malaria 1예

        김영선,박기령,어은경,최진혁,이정수,정화순 梨花女子大學校 醫科大學 醫科學硏究所 1996 EMJ (Ewha medical journal) Vol.19 No.2

        Malaria has a wordwide incidence of more than one thousand to three thousand million clinical cases and results in approximately 200 to 300 million deaths per year. Although Korea was an endemic area of Malaria, it was nearly eradicated from the country. However, indigenous cases of malaria have been reported since 1994. Recently, we experienced a case of Plasmodium vivax infection in a resident of Seoul. A 25-year old young man who had no history of being abroad, blood transfusion nor parenteral use of drug visited our hospital due to fever and chill for 4 days. A peripheral blood smear demonstrated Plasmodium vivax infection. He was treated with hydroxychoroquine and premaquine without relapse.

      • 대동맥판막에 발생한 유두상 섬유탄력종 1례

        김응중,최재성,이명묵,김어진 동국대학교 의학연구소 2009 東國醫學 Vol.16 No.1

        유두상 섬유탄력종은 주로 심장판막에 발생하는 원발성 종양으로 심장종양 중 두 번째로 많은 양성종양이나 전체적으로 그 빈도는 매우 드물다. 78세 여자 환자가 흉부 불편감을 주소로 내원해서 대동맥판막에 위치한 유두상 섬유탄력종이 발견되어 개심술 하에 대동맥판막의 손상 없이 종양을 제거하였기에 문헌고찰과 더불어 이를 보고하는 바이다. Cardiac papillary fibroelastoma is the rare primary cardiac tumor, though it is the second most common benign cardiac tumor. It usually involves the cardiac valve. Papillary fibroelastoma of the aortic valve was found in a 78-year-old woman with chest discomfort and it was excised without valvular injury under cardiopulmonary bypass. Thus we report the present case with relevant review of the literatures.

      • SCISCIESCOPUS

        Direct Epoxidation of Propylene to Propylene Oxide Over Ag-W/ZrO<sub>2</sub> Catalysts: Effect of Tungsten (W) Addition

        Lee, Eo Jin,Lee, Joongwon,Seo, Young-Jong,Lee, Jong Won,Ro, Youngsoo,Yi, Jongheop,Song, In Kyu American Scientific Publishers 2017 Journal of nanoscience and nanotechnology Vol.17 No.11

        <P>Ag/ZrO2 catalysts modified with tungsten promotor (Ag-xW/ZrO2 (x = 0, 0.5, 1.0, 1.5, 2.0, and 2.5)) were prepared with a variation of tungsten content (x, wt%). The prepared catalysts were applied to the direct epoxidation of propylene to propylene oxide. Selectivity for propylene oxide over AgxW/ZrO2 catalysts showed a volcano-shaped curve with respect to tungsten content. Binding energy shift of Ag 3d5,2 of the catalysts with reference to Ag-O W/ZrO2 also showed a volcano-shaped trend with respect to tungsten content. Among the catalysts, Ag-1.5 W/ZrO2 catalyst exhibited the highest binding energy shift (0.8 eV) and the highest selectivity for propylene oxide (39.1%). Selectivity for propylene oxide increased with increasing binding energy shift of Ag 3d52 of the catalysts. It is concluded that electronic state of silver of Ag-xW/ZrO2 catalysts modified by tungsten addition played an important role in determining the catalytic performance in the direct epoxidation of propylene to propylene oxide.</P>

      • Direct epoxidation of propylene to propylene oxide with molecular oxygen over Ag–Mo–W/ZrO<sub>2</sub> catalysts

        Lee, Eo Jin,Lee, Joongwon,Seo, Young-Jong,Lee, Jong Won,Ro, Youngsoo,Yi, Jongheop,Song, In Kyu Elsevier 2017 CATALYSIS COMMUNICATIONS - Vol.89 No.-

        <P><B>Abstract</B></P> <P>A series of Ag–(x)Mo–(5–x)W/ZrO<SUB>2</SUB> (x=5, 3.75, 2.50, 1.25, and 0) catalysts with different molybdenum content (x, wt%) were prepared by a slurry method. They were then applied to the direct epoxidation of propylene to propylene oxide with molecular oxygen. Selectivity for propylene oxide showed a volcano-shaped trend with respect to molybdenum content. This result was well correlated with the binding energy shift of Ag 3d<SUB>5/2</SUB> of the catalysts. Among the catalysts, Ag–(3.75)Mo–(1.25)W/ZrO<SUB>2</SUB> catalyst with the highest binding energy shift of Ag 3d<SUB>5/2</SUB> showed the best catalytic performance. Furthermore, Ag–(3.75)Mo–(1.25)W/ZrO<SUB>2</SUB> catalyst was reusable in the direct epoxidation of propylene.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Ag–(x)Mo–(5–x)W/ZrO<SUB>2</SUB> catalysts with different Mo content (x, wt%) were prepared. </LI> <LI> Direct epoxidation of propylene to propylene oxide with molecular oxygen was conducted. </LI> <LI> Selectivity for propylene oxide showed a volcano-shaped trend with respect to Mo content. </LI> <LI> Selectivity for propylene oxide increased with increasing binding energy shift of Ag 3d<SUB>5/2</SUB>. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>

      • SCISCIESCOPUS

        Preparation and Characterization of Nitrogen-Enriched Carbon Aerogel as a Supercapacitor Electrode Material

        Lee, Eo Jin,Lee, Yoon Jae,Kim, Jeong Kwon,Lee, Minzae,Yoon, Jung Rag,Song, In Kyu American Scientific Publishers 2016 Journal of nanoscience and nanotechnology Vol.16 No.10

        <P>A series of nitrogen-enriched carbon aerogels (NCA-X, X = 0.14, 0.17, 0.20, 0.25, and 0.33) were prepared by a sol-gel polymerization of MRF (melamine-resorcinol-formaldehyde) with a variation of M/R (melamine/resorcinol) molar ratio (X). For comparison and reference, melamine-free carbon aerogel was also prepared. They were then used as supercapacitor electrode materials. It was observed that textural properties of NCA-X decreased with increasing M/R molar ratio, whereas nitrogen content increased with increasing M/R molar ratio. Electrochemical properties of nitrogen-enriched carbon aerogel electrodes were measured by cyclic voltammetry and galvanostatic charge/discharge measurements in 1 M H2SO4 electrolyte. Surface properties of nitrogen-enriched carbon aerogels were examined by X-ray photoelectron spectroscopy (XPS). Among the samples, NCA-0.20 with the largest amount of pyridinic nitrogen showed the highest specific capacitance. Thus, an optimal M/R molar ratio (X) was required for the largest amount of pyridinic nitrogen in the nitrogen-enriched carbon aerogel, and in turn, for the highest specific capacitance of nitrogen-enriched carbon aerogel.</P>

      • SCISCIESCOPUS

        Graphene-containing carbon aerogel prepared using polyethyleneimine (PEl)-modified graphene oxide (GO) for supercapacitor: effect of polyethyleneimine-modified GO content.

        Lee, Yoon Jae,Lee, Joongwon,Kim, Gil-Pyo,Lee, Eo Jin,Yi, Jongheop,Song, In Kyu American Scientific Publishers 2014 Journal of nanoscience and nanotechnology Vol.14 No.11

        <P>Graphene-containing carbon aerogel was prepared by a sol-gel polymerization of resorcinol-formaldehyde (RF) method using polyethyleneimine (PEL)-modified chemically exfoliated graphene oxide (GO), and its electrochemical performance as an electrode for supercapacitor was examined. The effect of PEI-modified GO content on the physicochemical and electrochemical properties of graphene-containing carbon aerogel was investigated. For comparison, graphene-free carbon aerogel was also prepared. Among the samples, graphene-containing carbon aerogel prepared using 45 wt% PEI-modified GO solution (CA(45PG)) showed the highest BET surface area (784 m2/g) and the largest pore volume (1.71 cm3/g) with well-developed porous structure. Electrochemical properties of graphene-containing carbon aerogel and graphene-free carbon aerogel electrodes were measured by cyclic voltammetry, charge/discharge test, and electrochemical impedance spectroscopy in 6 M KOH electrolyte. Various electrochemical measurements revealed that CA(45PG) showed the highest specific capacitance (261 F/g), the lowest equivalent series resistance (0.16 ω), and superior capacitive behavior. It is concluded that PEI-modified GO content served as an important factor determining the physicochemical properties and supercapacitive electrochemical performance of graphene-containing carbon aerogel.</P>

      • Ag-(Mo-W)/ZrO<sub>2</sub> catalysts for the production of propylene oxide: Effect of pH in the preparation of ZrO<sub>2</sub> support

        Lee, Eo Jin,Lee, Jong Won,Lee, Joongwon,Min, Hyung-Ki,Yi, Jongheop,Song, In Kyu,Kim, Do Heui Elsevier 2018 CATALYSIS COMMUNICATIONS - Vol.111 No.-

        <P><B>Abstract</B></P> <P>Direct oxidation of propylene to propylene oxide was carried out over Ag-(Mo-W)/ZrO<SUB>2</SUB> (pH X) catalysts prepared by changing the pH of Zr precursor solution from 3 to 14 while preparing the ZrO<SUB>2</SUB> support. It was found that the fraction of monoclinic phase and the ratio of acidity to basicity in the catalysts showed a volcano-shaped trend with respect to pH of Zr precursor solution. Such characteristics were well correlated with the selectivity of reaction towards propylene oxide. Ag-(Mo-W)/ZrO<SUB>2</SUB> (pH 10) with the highest fraction of monoclinic phase of ZrO<SUB>2</SUB> and ratio of surface acidity to basicity showed the highest selectivity (68%) for propylene oxide.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Ag-(Mo-W)/ZrO<SUB>2</SUB> catalysts are used to oxidation of propylene to propylene oxide(PO). </LI> <LI> ZrO<SUB>2</SUB> supports are prepared by changing pH value of Zr precursor solution. </LI> <LI> Highest selectivity for PO is observed over Ag-(Mo-W)/ZrO<SUB>2</SUB> (pH 10) catalyst. </LI> <LI> The fraction of monoclinic ZrO<SUB>2</SUB> phase is correlated with PO selectivity. </LI> <LI> The ratio of acidity to basicity of catalysts is crucial for high PO selectivity. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>

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