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Entanglement and Energy for Vibrationally Localized States in Molecule CS2
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作者 zi-xin yang Xing Shen Xi-wen Hou 《Chinese Journal of Chemical Physics》 SCIE CAS CSCD 2015年第3期295-298,I0001,共5页
The dynamics of quantum entanglement described by the yon Neumann entropy is studied for the localized states of Fermi-resonance coupling vibrations in molecule CS2, where the interacting energy between the stretching... The dynamics of quantum entanglement described by the yon Neumann entropy is studied for the localized states of Fermi-resonance coupling vibrations in molecule CS2, where the interacting energy between the stretching and the bending modes is considered to establish a connection between entanglement and energy. It is shown that entanglement reveals dominant anti-correlation with the interacting energy for the stretch-localized state, while that exhibits dominantly positive correlation for the bend-localized state. The entanglement and the energy for the dislocalized states are discussed as well. Those are useful for molecular quantum computing and quantum information in high dimensional states. 展开更多
关键词 ENTANGLEMENT Quantum entropy Vibrational analysis
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肿瘤微环境诱导多肽聚合物原位组装行为研究 被引量:3
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作者 吉垒 张雪豪 +2 位作者 杨子欣 乔增莹 王浩 《高分子学报》 SCIE CAS CSCD 北大核心 2019年第6期642-652,共11页
设计合成了一种pH响应型的多肽聚合物,在中性条件下能够以聚合物单链的形式存在,在肿瘤微环境弱酸的刺激下发生聚集,提升入胞能力,从而实现对肿瘤细胞的高效杀伤.首先,通过迈克尔加成的方法合成了一系列生物相容性较好的β-硫代酸酯聚合... 设计合成了一种pH响应型的多肽聚合物,在中性条件下能够以聚合物单链的形式存在,在肿瘤微环境弱酸的刺激下发生聚集,提升入胞能力,从而实现对肿瘤细胞的高效杀伤.首先,通过迈克尔加成的方法合成了一系列生物相容性较好的β-硫代酸酯聚合物,并利用固相合成方法合成了治疗肽和穿膜肽2种多肽.然后,将治疗肽修饰上一种酸敏感基团,并将2种多肽通过迈克尔加成反应与聚合物共价连接.得到的多肽聚合物能够在中性水溶液中以单链形式稳定存在,而在pH=6.5条件下发生聚集.最后,在细胞层面对多肽聚合物进行研究,发现其在微酸性条件下可以通过内吞作用进入到肿瘤细胞,并具有更高的抗肿瘤能力. 展开更多
关键词 体内自组装 pH响应型 多肽聚合物 肿瘤
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Stereoselective electrochemical carboxylation ofα,β-unsaturated sulfones
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作者 zi-xin yang Liangchuan Lai +3 位作者 Jingze Chen Hong Yan Ke-Yin Ye Fen-Er Chen 《Chinese Chemical Letters》 SCIE CAS CSCD 2023年第6期315-318,共4页
As an attractive C1 synthon,carbon dioxide(CO_(2))has been extensively used in organic synthesis to produce carboxylic acids.In this research,stereoselective electrochemical carboxylation ofα,β-unsaturated sulfones ... As an attractive C1 synthon,carbon dioxide(CO_(2))has been extensively used in organic synthesis to produce carboxylic acids.In this research,stereoselective electrochemical carboxylation ofα,β-unsaturated sulfones has been developed under transition-metal-free conditions.All the cinnamic acids and the derivatives are obtained selectively in the E-configuration.Besides,arylpropiolates also can be produced from alkynyl sulfones. 展开更多
关键词 ELECTROSYNTHESIS Carbon dioxide CARBOXYLATION α β-Unsaturated sulfone α β-Unsaturated carboxylic acid
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