Application of atomic force microscopy in bacterial research.

Area of Science:

• Nanotechnology
• Microbiology
• Materials Science

Background:

• Atomic force microscopy (AFM) has advanced from basic imaging to a sophisticated toolkit for bacterial surface analysis.
• Applications range from materials science (e.g., molecular patterning) to biological sciences (e.g., bacterial adhesion studies).

Purpose of the Study:

• To review the capabilities of AFM in bacterial research.
• To highlight AFM's role in probing bacterial nanostructures and surface interactions.
• To provide context for recent advancements in AFM techniques for microbiology.

Main Methods:

• AFM imaging of bacterial morphology and surface features.
• Force spectroscopy modes (chemical, single-cell, single-molecule) for quantitative analysis.
• Measurement of interaction forces, elongation forces, and cell-cell interactions.

Main Results:

• AFM allows high-resolution visualization of bacterial cells and biomolecules.
• Quantitative analysis of bacterial samples in liquid and non-contact modes is achievable.
• Mapping of chemical groups, electrical charges, and stretching of biomolecules are demonstrated.

Conclusions:

• AFM is a powerful, multifunctional tool for diverse bacterial research applications.
• Recent advancements enable detailed investigation of bacterial surface properties and interactions.
• AFM continues to evolve, offering exciting possibilities for microbiology.