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Insecticidal activity of oriental medicinal plants against Myzus persicae
Ji Yun Min(민지윤),Jun Young Kim(김준영),Young Min Goo(구영민),Seung Kyu Ahn(안승규),Hyo Hyung Lee(이효형),Keon Hee Ko(고건희),Min Ji Kim(김민지),Yun Geun Kim(김윤근),Mi Young Yoon(윤미영),Gyeong Seon Kim(김경선),Kyeong Yeol Oh(오경 한국약용작물학회 2013 한국약용작물학회 학술대회논문집 Vol.2013 No.1
1-Benzyl-4-Iodomethyl-2-Azetidinone의 합성과 Iodo기에 대한 전기화학적 환원반응
김일광,이영행,이채호,채규윤,김윤근,Kim Il Kwang,Lee Young Haeng,Lee Chai Ho,Chai Kyu Yun,Kim Yoon Geun 대한화학회 1991 대한화학회지 Vol.35 No.1
1-Benzyl-4-iodomethyl-2-azetidinone(BIMA)을 합성하여 iodomethyl기에 대한 전기화학적 환원을 direct current, differential pulse polarography, cyclic voltammetry 그리고 controlled potential coulometry 방법으로 연구하였다. BIMA의 환원과정은 1단계(-1.35 volts vs. Ag-AgCl)에서 완전비가역과 2전자이동후에 양성자가 첨가되는 EEC 반응기구로 진행되었으며 1-benzyl-4-methyl-2-azetidinone이 생성되었다. 양이온 계면활성제(cetyltrimethylammonium bromide)의 농도가 진하여질수록 양전위 이동이 있었으나 음이온 계면활성제(sodium lauryl sulfate)의 경우에는 2단계로 세분화되는 현상이 나타났다. pH변화에 따른 전극환원과정과 생성물 분석의 결과를 바탕으로 전기화학적 반응기구를 제안하였다. 1-Benzyl-4-iodomethyl-2-azetidinone(BIMA) was synthesized and its electrochemical reduction was investigated by direct current, differential pulse polarography, cyclic voltammetry and controlled potential coulometry. The irreversible two electron transfer on reductive dehalogenation of iodo group proceeded to form 1-benzyl-4-methyl-2-azetidinone by EEC electrode reaction mechanism at the first reduction step(-1.35 volts vs. Ag-AgCl). The polarographic reduction waves separated into two reduction steps due to anionic surfactant (sodium lauryl sulfate) effects, while the waves were shifted to the positive potential as the concentration of cationic surfactant (cetyltrimethylammonium bromide) increased. Upon the basis of results on the product analysis and interpretation of polarogram with pH variable, EEC electrochemical reaction mechanism was suggested.
${\alpha},{\beta}$-Dibenzyl N-Benzylidene L-Aspartate 의 Imino 기에 대한 선택적 전해환원반응
김일광,김윤근,이영행,채규윤,Kim, Il-Kwang,Kim, Youn-Geun,Lee, Young-Haeng,Chai, Kyu-Yun 대한화학회 1989 대한화학회지 Vol.33 No.6
0.1M LiCl의 ethanol 용액에서 ${\alpha},{\beta}$-dibenzyl N-benzylidene L-aspartate의 전기화학적 환원을 direct current, differential pulse polarography, cyclic voltammetry 그리고 controlled potential coulometry 방법으로 연구하였다. ${\alpha},{\beta}$-dibenzyl N-benzylidene L-aspartate의 환원과정은 1단계(-0.92 volts vs. Ag-AgCl)에서 양성자 첨가와 2전자이동에 의한 완전 비가역의 CEC 혹은 CE 반응기구로 진행되었으며 ${\alpha},{\beta}$-dibenzyl N-benzyl L-aspartate가 생성되었다. 계면활성제가 포함된 용액에서 polarography 환원파는 전체적으로 약간 억제되었으며 Triton X-100의 농도가 진해질수록 비가역성을 증가시키는 것으로 나타났다. 생성물 분석과 pH 변화에 따른 전극환원과정에 대한 고찰로 전기화학적 반응기구를 제안하였다. The electrochemical reduction of ${\alpha},{\beta}$-dibenzyl N-benzylidene L-aspartate in 0.1M LiCl ethanol solution was investigated by direct current (DC), differential pulse (DP) polarography, cyclic voltammetry and controlled potential coulometry(CPC). The irreversible reductive amination of imino group proceeded to form ${\alpha},{\beta}$-dibenyl N-benzyl L-aspartate by CEC or CE electrochemical reaction mechanism at the first reduction step (-0.92 volts vs. Ag-AgCl). The polarographic reduction wave was slightly suppressed due to inhibitory effect of micelle, while the irreversibility was increased according to the increase of Triton X-100 concentration. Upon the basis of product analysis and polarogram interpretation with pH change, possible CE electrode reaction mechanism was suggested.
국내산 새우 중하(Metapenaeus joyneri)에 대한 특이 IgE 항체 측정 및 알레르겐 규명
윤성호 ( Yun Seong Ho ),최정희 ( Choe Jeong Hui ),서유진 ( Seo Yu Jin ),서창희 ( Seo Chang Hui ),남동호 ( Nam Dong Ho ),김윤근 ( Kim Yun Geun ),민경업 ( Min Gyeong Eob ),박해심 ( Park Hae Sim ) 대한내과학회 2003 대한내과학회지 Vol.65 No.2
Background : Shrimp is one of the major causative crustacean food allergen. An investigation has been reported that tropomyosin belonged to muscle protein is a major allergen within shrimp. But there have been a few investigations on shrimp allergen in Ko