Chemical force microscopy

A Noy, DV Vezenov, CM Lieber - Annual Review of Materials …, 1997 - annualreviews.org
▪ Abstract Atomic force microscopy is an imaging tool used widely in fundamental research,
although it has, like other scanned probe microscopies, provided only limited information …

[HTML][HTML] Spatially resolved force spectroscopy of biological surfaces using the atomic force microscope

WF Heinz, JH Hoh - Trends in biotechnology, 1999 - cell.com
The spatial distribution of intermolecular forces governs macromolecular interactions. The
atomic force microscope, a relatively new tool for investigating interaction forces between …

Tapping mode atomic force microscopy in liquids

PK Hansma, JP Cleveland, M Radmacher… - Applied Physics …, 1994 - pubs.aip.org
Tapping mode atomic force microscopy in liquids gives a substantial improvement in
imaging quality and stability over standard contact mode. In tapping mode the probe‐sample …

Force titrations and ionization state sensitive imaging of functional groups in aqueous solutions by chemical force microscopy

DV Vezenov, A Noy, LF Rozsnyai… - Journal of the American …, 1997 - ACS Publications
Chemical force microscopy (CFM) was used to probe interactions between ionizable and
neutral functional groups in aqueous solutions. Force microscope probe tips and sample …

Visualization of supercoiled DNA with atomic force microscopy in situ

YL Lyubchenko… - Proceedings of the …, 1997 - National Acad Sciences
Tertiary structure of supercoiled DNA is a significant factor in a number of genetic functions
and is apparently affected by environmental conditions. We applied atomic force microscopy …

DNA binding to mica correlates with cationic radius: assay by atomic force microscopy

HG Hansma, DE Laney - Biophysical journal, 1996 - cell.com
In buffers containing selected transition metal salts, DNA binds to mica tightly enough to be
directly imaged in the buffer in the atomic force microscope (AFM, also known as scanning …

Polyaniline nanowires on Si surfaces fabricated with DNA templates

Y Ma, J Zhang, G Zhang, H He - Journal of the American Chemical …, 2004 - ACS Publications
It is essential to put individual, free-standing nanowires onto insulating substrates and
integrate them to useful devices. Here we report a strategy for fabrication of conducting …

Visualization of macromolecules a first step to manipulation and controlled response

SS Sheiko, M Möller - Chemical Reviews, 2001 - ACS Publications
The size and complexity of the structure of macromolecules allows the combination of
different, in some cases even antagonistic, properties, eg, in solubility, in flexibility, or …

Quantification of bacterial adhesion forces using atomic force microscopy (AFM)

HHP Fang, KY Chan, LC Xu - Journal of microbiological methods, 2000 - Elsevier
This study demonstrated that atomic force microscopy (AFM) can be used to obtain high-
resolution topographical images of bacteria, and to quantify the tip–cell interaction force and …

Mechanical identities of RNA and DNA double helices unveiled at the single-molecule level

E Herrero-Galán, ME Fuentes-Perez… - Journal of the …, 2013 - ACS Publications
Double-stranded (ds) RNA is the genetic material of a variety of viruses and has been
recently recognized as a relevant molecule in cells for its regulatory role. Despite that the …