[Measurement of forces between biomolecules by atomic force microscopy]

Area of Science:

• Biophysics
• Molecular Biology
• Surface Science

Context:

• Understanding biological phenomena relies on characterizing molecular interactions.
• Atomic force microscopy (AFM) offers high-resolution force measurements.
• Intermolecular forces govern biological processes at the molecular level.

Purpose:

• To review the application of AFM in measuring biomolecular interaction forces.
• To highlight key biological systems where these forces have been quantified.
• To provide a literature overview of AFM-based biomolecular force studies.

Summary:

• Atomic force microscopy (AFM) is a key technique for quantifying intermolecular forces between biological molecules.
• Studies have measured forces in systems including ligand-receptor pairs, actin-myosin, proteoglycans, DNA strands/nucleotides, and organic chemical groups.
• This literature review consolidates findings from these diverse biomolecular interaction studies.

Impact:

• Provides a foundational understanding of molecular recognition and binding events.
• Enables the design of new biomaterials and drug delivery systems.
• Advances the field of biophysics by detailing force measurement methodologies.