A simple atomic force microscopy method for the visualization of polar and non-polar parts in thin organic films

A. Amy Yu, Peter R. Stone, Julie E. Norville, Michael Vaughn, Eden J. Pacsial, Barry D. Bruce, Marc Baldo, Francisco Raymo, Francesco Stellacci

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Here we present a scanning probe microscopy method that allows for the identification of regions of different polarity (i.e. hydrophilicity) in thin organic films. This technique is based on the analysis of the difference between phase images generated at different applied bias voltages in tapping-mode atomic force microscopy. We show that, without any chemical modification of the microscope tip, it is possible to investigate surface properties of complex macromolecular layers, yielding new insight into the functional properties of the photosynthetic electron transport macromolecular complex, Photosystem I.

Original languageEnglish (US)
Pages (from-to)63-73
Number of pages11
JournalJournal of Experimental Nanoscience
Volume1
Issue number1
DOIs
StatePublished - 2006

Fingerprint

Macromolecular Substances
Scanning probe microscopy
Chemical modification
Hydrophilicity
Bias voltage
Surface properties
Atomic force microscopy
Microscopes
Visualization
Photosystem I Protein Complex
Electron Transport

Keywords

  • Atomic force microscopy
  • Organic films
  • Polarity

ASJC Scopus subject areas

  • Bioengineering
  • Biomedical Engineering
  • Materials Science(all)

Cite this

Amy Yu, A., Stone, P. R., Norville, J. E., Vaughn, M., Pacsial, E. J., Bruce, B. D., ... Stellacci, F. (2006). A simple atomic force microscopy method for the visualization of polar and non-polar parts in thin organic films. Journal of Experimental Nanoscience, 1(1), 63-73. https://doi.org/10.1080/17458080500372290

A simple atomic force microscopy method for the visualization of polar and non-polar parts in thin organic films. / Amy Yu, A.; Stone, Peter R.; Norville, Julie E.; Vaughn, Michael; Pacsial, Eden J.; Bruce, Barry D.; Baldo, Marc; Raymo, Francisco; Stellacci, Francesco.

In: Journal of Experimental Nanoscience, Vol. 1, No. 1, 2006, p. 63-73.

Research output: Contribution to journalArticle

Amy Yu, A, Stone, PR, Norville, JE, Vaughn, M, Pacsial, EJ, Bruce, BD, Baldo, M, Raymo, F & Stellacci, F 2006, 'A simple atomic force microscopy method for the visualization of polar and non-polar parts in thin organic films', Journal of Experimental Nanoscience, vol. 1, no. 1, pp. 63-73. https://doi.org/10.1080/17458080500372290
Amy Yu, A. ; Stone, Peter R. ; Norville, Julie E. ; Vaughn, Michael ; Pacsial, Eden J. ; Bruce, Barry D. ; Baldo, Marc ; Raymo, Francisco ; Stellacci, Francesco. / A simple atomic force microscopy method for the visualization of polar and non-polar parts in thin organic films. In: Journal of Experimental Nanoscience. 2006 ; Vol. 1, No. 1. pp. 63-73.
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