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Updated: May 13, 2026

Orientational Transition in a Liquid Crystal Triggered by the Thermodynamic Growth of Interfacial Wetting Sheets
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Published on: May 15, 2017

液晶的重定向是由阿普坦体构造变化引起的.

Patrick S Noonan1, Richard H Roberts, Daniel K Schwartz

  • 1Department of Chemical and Biological Engineering, University of Colorado Boulder , Boulder, Colorado 80309-0424, United States.

Journal of the American Chemical Society
|March 21, 2013
PubMed
概括

对小分子结合的aptamer触发了液晶的重定向,使灵敏的实时检测成为可能. 这种无标签的方法显示了同时检测小分子和核酸的潜力.

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¹H NMR of Conformationally Flexible Molecules: Temporal Resolution00:52

¹H NMR of Conformationally Flexible Molecules: Temporal Resolution

At room temperature, the chair conformer of cyclohexane undergoes rapid ring flipping between two equivalent chair conformers at a rate of approximately 105 times per second. These two chair conformers are in equilibrium. The rapid ring flipping results in the interconversion of the axial proton to an equatorial proton and an equatorial to the axial proton. Such interconversions are too rapid and cannot be detected on the NMR timescale. Hence, the NMR spectrometer cannot distinguish between the...