私密直播全婐app免费大渔直播,国产av成人无码免费视频,男女同房做爰全过程高潮,国产精品自产拍在线观看

當前位置:群英聚首 > 論文著作 > 正文
Influence of Charge States on the π–π Interactions of Aromatic Side Chains with Surface of Graphene Sheet and Single-Walled Carbon Nanotubes in Bioelectrodes
來源:陳效華教授個人網站 發布日期:2016-04-04
作者:Dong Xiao, Weichao Sun, Hongjing Dai, Yanfang Zhang, Xin Qin, Li Li, Zidong Wei, and Xiaohua Chen*
關鍵字:Aromatic Side Chains; Graphene Sheet; Single-Walled Carbon Nanotubes; Bioelectrodes
論文來源:期刊
具體來源:J. Phys. Chem. C 2014, 118 (35), 20694–20701.
發表時間:2014年
Density functional calculations were performed to investigate the interaction of the side chains of histidine, phenylalanine, tryptophan, and tyrosine with the outer surface of different charged graphene sheet (GS)/(7,7) single-walled carbon nanotube (CNT) at the M06-2X-6-31+g(d,p)//M06-2X-6-31G(d) level of theory, which can get insights into the π–π interactions in enzyme-modified CNT electrodes. The aromatic rings of the amino acids prefer to orient in parallel with the plane of the CNT at the different charge states, which bears the signature of π–π interactions. The π–π interactions mainly include the dispersion forces, the electrostatic forces, and the H?π bonds. The dispersion force nearly keeps constant for the same aromatic ring interaction with the GS/CNT at the different charge states. However, the electrostatic forces and the strength of H···π bonds are significantly affected by the different charge states. These factors cause the change of the binding order for the four aromatic rings with the GS and CNT. More importantly, the highest doubly occupied molecular orbitals (HDMOs), the singly occupied molecular orbitals (SOMOs), and the lowest unoccupied molecular orbital (LUMO) mostly reside on the CNT moieties for all charged systems, indicating that the negative and positive charges are ready to accumulate on the CNT moiety when the CNT interacts with the aromatic amino acids. These results support that the CNTs can be used to assemble the enzyme-modified CNT electrodes.
Copyright © 2005 Polymer.cn All rights reserved
中國聚合物網 版權所有
經營性網站備案信息

京公網安備11010502032929號

工商備案公示信息

京ICP證050801號

京ICP備12003651號

主站蜘蛛池模板: 溧水县| 大理市| 临猗县| 昆明市| 溧水县| 鄂托克前旗| 三门县| 曲水县| 武川县| 白城市| 临泉县| 鱼台县| 陕西省| 贵阳市| 盐亭县| 新乡县| 寿宁县| 江西省| 体育| 吉木萨尔县| 蚌埠市| 江山市| 新巴尔虎左旗| 云和县| 平罗县| 临夏县| 大关县| 茶陵县| 河南省| 萝北县| 晋宁县| 新巴尔虎左旗| 天全县| 兴山县| 安达市| 印江| 海淀区| 剑川县| 车致| 章丘市| 广西|