Biofilm Analysis by Confocal Microscopy-Basics and Practical Aspects.

Area of Science:

• Microscopy
• Cell Biology
• Microbiology

Background:

• Confocal laser scanning microscopy (CLSM) is a powerful imaging technique.
• Beginners often require practical guidance beyond theoretical knowledge.
• Applications in microbiology, particularly biofilms, benefit from advanced imaging.

Purpose of the Study:

• To provide a comprehensive and accessible guideline for CLSM beginners.
• To integrate theoretical concepts with practical methodological aspects.
• To serve as an introductory primer for researchers in biology and microbiology.

Main Methods:

• Review of 25 years of experience in CLSM.
• Compilation of data from diverse national and international projects.
• Inclusion of practical aspects: sample preparation, staining, and data acquisition.

Main Results:

• Detailed explanation of fluorescence principles and resolution limits.
• Guidance on optimizing imaging parameters for CLSM.
• Focus on specific applications in microbiology, including biofilms and bio-aggregates.

Conclusions:

• This review offers a foundational understanding of CLSM for new users.
• It bridges the gap between theory and practical application in biological imaging.
• Researchers, especially in microbiology, can utilize this primer for enhanced imaging capabilities.