Issue 74, 2014

Mechanically resolving noncovalent bonds using acoustic radiation force

Abstract

The resolution of molecular bonds and subsequent selective control of their binding are of great significance in chemistry and biology. We have developed a method based on the use of acoustic radiation force to precisely dissociate noncovalent molecular bonds. The acoustic radiation force is produced by extremely low-power ultrasound waves and is mediated by magnetic particles. We successfully distinguished the binding of antibodies of different subclasses and the binding of DNA duplexes with a single-base-pair difference. In contrast to most ultrasound applications in chemistry, the sonication probe is noninvasive and requires a sample volume of only a few microliters. Our method is thus viable for noninvasive and accurate control of molecular bonds that are widely encountered in biochemistry.

Graphical abstract: Mechanically resolving noncovalent bonds using acoustic radiation force

Supplementary files

Article information

Article type
Communication
Submitted
03 May 2014
Accepted
29 May 2014
First published
02 Jun 2014

Chem. Commun., 2014,50, 10786-10789

Author version available

Mechanically resolving noncovalent bonds using acoustic radiation force

L. De Silva, L. Yao and S. Xu, Chem. Commun., 2014, 50, 10786 DOI: 10.1039/C4CC03305A

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