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ACS Nano. 2011 Feb 22;5(2):693-729. doi: 10.1021/nn103298x.

Electrons, photons, and force: quantitative single-molecule measurements from physics to biology.

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  • 1California NanoSystems Institute, University of California, Los Angeles, California 90095-7227, USA.

Abstract

Single-molecule measurement techniques have illuminated unprecedented details of chemical behavior, including observations of the motion of a single molecule on a surface, and even the vibration of a single bond within a molecule. Such measurements are critical to our understanding of entities ranging from single atoms to the most complex protein assemblies. We provide an overview of the strikingly diverse classes of measurements that can be used to quantify single-molecule properties, including those of single macromolecules and single molecular assemblies, and discuss the quantitative insights they provide. Examples are drawn from across the single-molecule literature, ranging from ultrahigh vacuum scanning tunneling microscopy studies of adsorbate diffusion on surfaces to fluorescence studies of protein conformational changes in solution.

PMID:
21338175
[PubMed - indexed for MEDLINE]
PMCID:
PMC3043607
Free PMC Article
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