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细菌叶绿素c分子单体结构的STM研究

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摘要 利用扫描隧道显微镜(scanning tunneling microscopy,STM)研究了细菌叶绿素c在石墨(HOPG)表面的自组装结构.研究发现,与叶绿素a,c以及细菌脱植基叶绿素c,d分子通常形成的二聚体结构相比,细菌叶绿素c的结构有其特点.细菌叶绿素c分子在石墨表面自组装,形成了大范围的二维有序结构.分子以单体而非二聚体形式存在.分析认为,此差别与实验中以极性较强的甲醇做溶剂,并且分子与石墨基底间的作用力在自组装过程中占主导地位有关.
出处 《科学通报》 EI CAS CSCD 北大核心 2003年第15期1638-1641,共4页 Chinese Science Bulletin
基金 国家自然科学基金(批准号:20121301,20177025) 中国科学院资助项目.
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