Tutorial: multiphoton microscopy to advance neuroscience research

Area of Science:

• Biomedical Imaging
• Microscopy Techniques
• Optical Physics

Background:

• Multiphoton microscopy (MPM) utilizes nonlinear optical effects for deep tissue imaging.
• Traditional microscopy methods face limitations in imaging depth and phototoxicity in live biological samples.
• Advancements in laser technology and detection have enhanced MPM capabilities.

Purpose of the Study:

• To provide a practical tutorial on multiphoton microscopy (MPM) for researchers.
• To guide novice microscopy developers and life-science users in implementing MPM.
• To demonstrate the application of MPM for deep imaging of biological systems.

Main Methods:

• Discussion of the fundamental principles of MPM, including nonlinear optical interactions.
• Detailed explanation of MPM microscope setup and alignment procedures.
• Overview of various labeling strategies for enhancing contrast and specificity in MPM.

Main Results:

• Demonstration of unprecedented imaging depth in whole-mounted explants using MPM.
• Successful intravital imaging of the mammalian nervous system through implantable glass windows.
• High-resolution three-dimensional reconstructions of biological structures achieved.

Conclusions:

• MPM is a powerful technique for high-resolution, deep imaging of live biological samples.
• The tutorial provides essential knowledge for developing and utilizing MPM systems.
• MPM enables advanced in vivo studies of complex biological systems, particularly the nervous system.