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Quantitative Nano-characterization of Polymers Using Atomic Force Microscopy

Kong, Phally
di Giannantonio, Michela
Ayer, MathieuA.
Kilbinger, AndreasF. M.
Fromm, KatharinaM.
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Published in Chimia. 2017, vol. 71, no. 4, p. 195-198
Abstract The present article offers an overview on the use of atomic force microscopy (AFM) to characterize the nanomechanical properties of polymers. AFM imaging reveals the conformations of polymer molecules at solid– liquid interfaces. In particular, for polyelectrolytes, the effect of ionic strength on the conformations of molecules can be studied. Examination of force versus extension profiles obtained using AFM-based single molecule force spectroscopy gives information on the entropic and enthalpic elasticities in pN to nN force range. In addition, single molecule force spectroscopy can be used to trigger chemical reactions and transitions at the molecular level when force-sensitive chemical units are embedded in a polymer backbone.
Keywords AFM imagingAtomic force microscopyMechanochemistrySingle molecule force spectroscopySingle molecules
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Research group Groupe Borkovec
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RADIOM, Milad et al. Quantitative Nano-characterization of Polymers Using Atomic Force Microscopy. In: Chimia, 2017, vol. 71, n° 4, p. 195-198. https://archive-ouverte.unige.ch/unige:102845

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Deposited on : 2018-03-12

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