轴
运动(物理)
分子机器
基础(拓扑)
戒指(化学)
计算机科学
分子马达
控制理论(社会学)
班级(哲学)
化学
三氯乙酸
材料科学
机械工程
纳米技术
工程类
数学
有机化学
人工智能
数学分析
控制(管理)
作者
Sundus Erbas-Cakmak,Stephen D. P. Fielden,Ulvi Karaca,David A. Leigh,Charlie T. McTernan,Daniel J. Tetlow,Miriam G. Wilson
出处
期刊:Science
[American Association for the Advancement of Science (AAAS)]
日期:2017-10-20
卷期号:358 (6361): 340-343
被引量:263
标识
DOI:10.1126/science.aao1377
摘要
Acid fuels the motion of a threaded ring A central goal in the construction of molecular-scale machines is the efficient achievement of one-way motion. Erbas-Cakmak et al. developed a class of machines that transmit pH changes into the two-stage guided motion of molecular rings threaded on a linear or cyclic axle. The design relies on temporary blocking groups and landing sites along the axle that toggle between active and passive states in response to acid or base. Trichloroacetic acid initiates the first stage of motion until it is decomposed by base in the solution, spurring the second phase. Science , this issue p. 340
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