文献类型：期刊文章

作　　者：袁雯[1] 晋卫军[2] 董川[2]

机构地区：[1]山西大学师范学院化学系,太原030012 [2]山西大学化学系,太原030006

出　　处：《高等学校化学学报》

基　　金：国家自然科学基金! (批准号 :2 9875 0 16);山西省教育委员会科技开发项目! (批准号 :990 3 9);山西省自然科学基金! (批准号 :991

年　　份：2001

卷　　号：22

期　　号：6

起止页码：922-924

语　　种：中文

收录情况：AJ、BDHX、BDHX2000、CAS、CSCD、CSCD2011_2012、EI、IC、JST、RCCSE、RSC、SCIE、SCOPUS、WOS、ZGKJHX、核心刊

摘　　要：The characteristics of absorption, fluorescence, room temperature phosphorescence(RTP) spectra of meso tetrakis(4 N trimethylaminobenzyl)porphin(TAPP) and Palladium porphyrin(Pd TAPP) probe in the presence and absence of ct DNA has been studied. Pd TAPP shows a very weak RTP emission in aqueous solution and strong RTP emission in the presence of DNA. Maximum RTP was observed at pH=7, with maximum excitation and emission wavelengths at 414 nm and 684 nm, respectively. RTP decay follows a first order exponential equation, RTP lifetime (τ) of probe is (0.72±0.03) ms. The detection limit of ct DNA may reach 8.8×10 -7 mol/L. The relative standard deviation(RSD) is less than ±6.6% in the linear range.

关 键 词：钯卟啉  室温磷光探针  小牛胸腺DNA 测定  光谱 相互作用  药物设计

分 类 号：Q523] R914.2]