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Poly(2-hydroxyethylmethacrylate)와 아미노산과의 상호작용에 관한 DSC와 TGA 열분석에 관한 연구(Ⅰ)
김의락,정봉진,정성욱,민경섭,이명재,남원모,박혜정,Kim, Ui Rak,Jeong, Bong Jin,Jeong, Sung Uk,Min, Kyung Sub,Lee, Myung Jae,Nam, Won Mo,Park, Hae Jung 대한화학회 1996 대한화학회지 Vol.40 No.6
Poly(2-hydroxyethylmethacrylate, HEMA)는 contact lens 재료물질로 사용되고, 물을 약 45퍼센트 포함하여 수화겔(hydrogel)을 만들 수 있는 고분자이다. Poly(HEMA)와 아미노산(alanine, arginine, methionine, proline, glycine, serine, lysine)과의 상호작용력을 DSC와 TGA 열분석법으로 측정한 결과 lysine, arginine, alanine의 결합성이 큼을 알 수 있었다. The interaction between poly(HEMA) which is material of contact lens containing about 45% water and amino acids (alanine, arginine, methionine, proline, glycine, serine, lysine) have been studied by using the thermal analysis methods through DSC and TGA. The experimental results of DSC and TGA were shown that lysine, arginine and alanine have the most stable interaction between poly(HEMA) and amino acids.
주용원 ( Yong Won Joo ),손창남 ( Chang Nam Son ),정경희 ( Kyong Hee Jung ),박혜정 ( Hae Jeong Park ),김상헌 ( Sang Heon Kim ),김태형 ( Tae Hyung Kim ),손장원 ( Jang Won Sohn ),윤호주 ( Ho Joo Yoon ),최요원 ( Yo Won Choi ),정원상 ( 대한결핵 및 호흡기학회 2008 Tuberculosis and Respiratory Diseases Vol.65 No.3
A chronic expanding hematoma (CEH) in the thorax is a rare and specific condition of chronic empyema. CEHs in the thorax are often associated with tuberculosis and/or previous surgical procedures. While the incidental detection of a pleural mass and dyspnea are common clinical manifestations, a few cases present with hemoptysis. We encountered a case of CEH in the thorax. This case is unique in that it developed without a prior history of tuberculosis or surgery and presented with massive hemoptysis accompanied by bronchopleural fistula. We report the third case of CEH in the thorax in Korea with a summary of the clinical characteristics of previous cases. (Tuberc Respir Dis 2008;65:216-221)