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Quantitative Optical Microscopy: Measurement of Cellular Biophysical Features with a Standard Optical Microscope
Published on: April 7, 2014
Quantitative phase imaging of nanoscale cell structure and dynamics
1Department of Electrical and Computer Engineering, Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA.
Methods in Cell Biology
|February 7, 2009
Summary
Quantitative phase imaging (QPI) provides noninvasive nanoscale insights into live cells. Recent advancements in QPI technology, for both full-field and point measurements, are presented, classifying applications by temporal selectivity.
Area of Science:
- Biophysics
- Cell Biology
- Optical Imaging
Background:
- Quantitative Phase Imaging (QPI) is a powerful technique for studying live cells.
- It offers nanometer-scale resolution of cellular structure and dynamics.
- QPI is valued for its completely noninvasive nature.
Purpose of the Study:
- To present recent developments in Quantitative Phase Imaging (QPI) technology.
- To categorize QPI applications based on temporal selectivity.
- To discuss future prospects of QPI in live-cell research.
Main Methods:
- Review of recent advancements in full-field QPI.
- Review of recent advancements in point measurement QPI.
- Classification of QPI applications into static and dynamic categories.
Main Results:
- Demonstration of recent QPI technological developments.
- Categorization of applications based on temporal selectivity (static vs. dynamic).
- Identification of promising future research directions.
Conclusions:
- QPI technology has significantly advanced over the past decade.
- The classification into static and dynamic applications aids in understanding QPI capabilities.
- QPI holds considerable promise for future live-cell research.

