Label-free optical imaging in developmental biology [Invited]

Area of Science:

• Biomedical optics
• Developmental biology
• Photonics

Background:

• Optical imaging offers subcellular to whole organism insights into embryonic development.
• Embryonic processes present challenges, driving innovation in live dynamic imaging.
• Label-free optical techniques are gaining interest for avoiding exogenous markers.

Purpose of the Study:

• To review recent advancements in label-free optical embryonic imaging.
• To discuss specific applications of these techniques in developmental biology.
• To comment on future developments at the intersection of photonics, engineering, and developmental biology.

Main Methods:

• Review of recent literature on label-free optical imaging techniques.
• Analysis of applications in animal models for embryonic development studies.
• Discussion of technological progress and interdisciplinary contributions.

Main Results:

• Significant progress in label-free optical imaging techniques over the last decade.
• New insights into early embryonic development revealed by these methods.
• Identification of new research avenues in developmental biology.

Conclusions:

• Label-free optical imaging is a rapidly advancing frontier in developmental biology.
• These techniques provide crucial insights without the need for exogenous markers.
• Future developments promise further integration of photonics, engineering, and biology.