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손성기(Son Seong-Gi),조재모(Cho Jae-Mo) 대한건축학회 2009 대한건축학회논문집 Vol.25 No.11
The purpose of this study is to understand the composition and installation of movable objects such as PanJang(板障, partition), HwiJang(揮帳, curtain) and HongSal(紅箭, red gate with arrow-shaped decoration) which are described on DongGwolDo(東闕圖) painting of early 19th century. The main questions are where those objects were, why they were necessary at each place and how to use them. It needs the analysis about persons who lived or worked in the palace and events that happened during King SunJo's period. As a result, it is found that they were located in the central part of ChangDuk-Gung and ChangKyung-Gung palaces where the important persons such as King, Queen or Prince lived and it is because those kinds of pavilions had to be multipurpose place for variable ceremonies and their everyday lives also. The details of these movable objects like colors and decorations were usually used for distinction of the authority of each Royal family member. We can present how PanJang, HwiJang and HongSal were constructively utilized and played vital roles as spatial tools and symbols.
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LC/MS/MS를 이용한 식용란 중 fluoroquinolone계 항균물질의 분석법에 관한 연구
최유정 ( You Jeong Choi ),윤이란 ( I Ran Yun ),남상윤 ( Sang Yun Nam ),박영호 ( Young Ho Park ),김병훈 ( Byeong Hun Kim ),손성기 ( Seong Gi Son ) 한국가축위생학회 2007 韓國家畜衛生學會誌 Vol.30 No.1
An atmospheric pressure chemical ionization(APcI) LC/MS/MS method was developed for the simultaneous analysis of fluoroquinolones(norfloxacin, ciprofloxacin, enrofloxacin, danofloxacin) residues in eggs. The spiked and blank samples were extracted from whole eggs using 50mM phosphate buffer(pH7.4). The extract was cleaned up by passage though Oasis(R) MAX extraction cartridge for solid-phase extraction followed by elution with 4% formic acid in methanol. The extract of sample was separated on a Waters AtlantisTM dC18 reversed-phase column(4.6×150㎜, 5㎛) and analyzed by APcI positive mode mass spectrometry. The mobile phase consists of aqueous 0.2% nonafluoropentanoic acid(NFPA) and methanol. Multiple reaction monitoring(MRM) using the precursor to product ion combinations of m/z 320 → 302, 332 → 314, 360 → 342 and m/z 358 → 340 were used to quantify norfloxacin(NOR), ciprofloxacin(CIP), enrofloxacin(ENR) and danofloxacin(DAN), respectively. The limits of quantification(LOQ) were 7.8ppb for NOR, 8.5ppb for CIP, 8.9ppb for ENR, and 4.8ppb for DAN. Average recoveries of fortified sample at levels of 0.025 to 0.1ppm were estimated 71.29% for NOR, 75.27% for CIP, 85.51% for ENR and 81.22% for DAN. These results could be applied for the confirmation and quantification in eggs.
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