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Atomic Force Microscopy

Atomic Force Microscopy

Atomic force microscopy (AFM) is a type of scanning probe microscopy that can analyze topographic details of various specimens like ceramics, glass, polymers, and biological samples. AFM offers over 1000 times more resolution than the optical imaging system. Images generated from AFM are three-dimensional surface profiles, offering an advantage over the flat, two-dimensional images from other imaging techniques.
The AFM Probe
The probe is regarded as the heart of any AFM setup and comprises the...

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Updated: Jun 1, 2026

Covalent Attachment of Single Molecules for AFM-based Force Spectroscopy

Covalent Attachment of Single Molecules for AFM-based Force Spectroscopy

Published on: March 16, 2020

Chemical modifications of atomic force microscopy tips.

Régis Barattin¹, Normand Voyer

¹Département de chimie, Université Laval, Quebec, QC, Canada.

Methods in Molecular Biology (Clifton, N.J.)

|June 11, 2011

Summary

This summary is machine-generated.

Chemical functionalization of Atomic Force Microscopy (AFM) tips is key for high-resolution imaging. This chapter reviews methods for attaching probe molecules, especially biological ones, to AFM tips for precise molecular-level studies.

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Area of Science:

Surface science
Nanotechnology
Biophysics

Background:

Atomic Force Microscopy (AFM) enables high-resolution surface imaging.
Chemical functionalization of AFM tips enhances imaging capabilities.
Precise probe molecule attachment is crucial for advanced AFM techniques.

Purpose of the Study:

To provide an overview of chemical tip modifications for AFM.
To focus on methods for proper fixation of probe molecules.
To highlight chemical procedures for anchoring biological molecules onto AFM tips.

Main Methods:

Review of reported chemical modification techniques for AFM tips.
Analysis of methods for probe molecule fixation.
Focus on chemical anchoring strategies for biomolecules.

Main Results:

Various chemical functionalization strategies for AFM tips have been reported.
Specific chemical procedures facilitate the stable anchoring of probe molecules.
Methods for attaching biological molecules to AFM tips are detailed.

Conclusions:

Well-defined chemical functionalization is essential for advanced AFM applications.
Chemical procedures enable the precise attachment of molecules for single-level analysis.
This review offers insights into optimizing AFM tip modification for biological studies.