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Imaging Biological Samples with Optical Microscopy

Imaging Biological Samples with Optical Microscopy

Optical microscopy uses optic principles to provide detailed images of samples. Antonie van Leeuwenhoek designed the first compound optical microscope in the 17th century to visualize blood cells, bacteria, and yeast cells. In 1830, Joseph Jackson Lister created an essentially modern light microscope. The 20th century saw the development of microscopes with enhanced magnification and resolution.
In optical microscopy, the specimen to be viewed is placed on a glass slide and clipped on the stage...

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Related Experiment Video

Updated: Jul 30, 2025

Phase Diagram Characterization Using Magnetic Beads as Liquid Carriers

Phase Diagram Characterization Using Magnetic Beads as Liquid Carriers

Published on: September 4, 2015

Study liquid-liquid phase separation with optical microscopy: A methodology review.

Xiufeng Zhang, Haoyang Li, Yue Ma¹

¹Institute of Systems and Physical Biology, Shenzhen Bay Laboratory, Shenzhen 518055, China.

APL Bioengineering

|May 14, 2023

Summary

This summary is machine-generated.

Intracellular liquid-liquid phase separation (LLPS) forms dynamic biomolecular compartments crucial for cell function. This review focuses on optical imaging techniques to study LLPS mechanisms and their disease relevance.

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Area of Science:

Cell Biology
Biophysics
Molecular Medicine

Background:

Intracellular liquid-liquid phase separation (LLPS) governs biomolecular interactions and organelle function.
Dysregulation of LLPS is implicated in various diseases, highlighting the need for molecular-level understanding.
LLPS research is vital for advancing drug/gene delivery and disease diagnostics.

Purpose of the Study:

To review optical imaging methods for studying intracellular liquid-liquid phase separation (LLPS).
To discuss fluorescent probes utilized in LLPS research.
To explore future optical imaging tools for LLPS investigations.

Main Methods:

Focus on optical imaging techniques applied to LLPS research.
Review of fluorescent probes used in conjunction with imaging.
Discussion of current and emerging imaging modalities.

Main Results:

Optical imaging provides critical insights into the dynamics and mechanisms of LLPS.
Various fluorescent probes enable visualization and characterization of LLPS events.
Future imaging technologies promise enhanced resolution and spatiotemporal analysis of LLPS.

Conclusions:

Optical imaging is indispensable for understanding cellular LLPS.
Selection of appropriate imaging methods and probes is key for effective LLPS research.
Advancements in imaging will further elucidate LLPS roles in health and disease.