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Related Concept Videos

Atomic Force Microscopy01:08

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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Related Experiment Video

Updated: Jun 1, 2026

Atomic Force Microscopy of Red-Light Photoreceptors Using PeakForce Quantitative Nanomechanical Property Mapping
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Atomic Force Microscopy of Red-Light Photoreceptors Using PeakForce Quantitative Nanomechanical Property Mapping

Published on: October 24, 2014

Atomic force microscopy as nanorobot.

Ning Xi1, Carmen Kar Man Fung, Ruiguo Yang

  • 1Department of Electrical and Computer Engineering, Michigan State University, East Lansing, MI, USA. xin@egr.msu.edu

Methods in Molecular Biology (Clifton, N.J.)
|June 11, 2011
PubMed
Summary
This summary is machine-generated.

This study introduces an Atomic Force Microscopy (AFM)-based nanorobot for high-resolution biological imaging and manipulation. This nanorobotic system enables simultaneous in situ imaging, sensing, and manipulation at the nanometer scale for advanced biomedical applications.

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Last Updated: Jun 1, 2026

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Published on: June 27, 2013

Area of Science:

  • Nanotechnology
  • Biophysics
  • Microscopy

Background:

  • Atomic Force Microscopy (AFM) offers nanometer-scale visualization of biological molecules under physiological conditions.
  • Current limitations exist in manipulating and simultaneously imaging biological specimens at the single-molecule level.

Purpose of the Study:

  • To introduce an AFM-based nanorobot for advanced biological studies.
  • To enable high-resolution, simultaneous in situ imaging, sensing, and manipulation of biological specimens.

Main Methods:

  • Modification of AFM into a nanorobot using the AFM tip as an end effector.
  • Functionalization of the AFM tip with specific antibodies for targeted receptor identification on cell membranes.
  • Real-time visual feedback via an augmented reality interface, updating AFM images based on interaction forces and object models.

Main Results:

  • Demonstration of an AFM-based nanorobotic system capable of manipulating biological objects at the single-molecule level.
  • Achieved higher resolution compared to fluorescent optical microscopy.
  • Enabled simultaneous in situ imaging, sensing, and manipulation at the nanometer scale (e.g., protein and DNA levels).

Conclusions:

  • The AFM-based nanorobotic system provides a powerful platform for studying structure-function relationships in biological specimens.
  • This technology opens avenues for numerous biomedical applications requiring nanoscale precision.
  • The system offers significant advantages for in situ analysis of biological samples.