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Near Simultaneous Laser Scanning Confocal and Atomic Force Microscopy (Conpokal) on Live Cells

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Scanning laser cytometry.

Howard M Shapiro¹

¹West Newton, Massachusetts, USA.

Current Protocols in Cytometry

|September 5, 2008

Summary

This summary is machine-generated.

Scanning laser cytometers offer a versatile alternative to traditional flow cytometry for specific cell analysis tasks. These systems provide high throughput and flexibility, suitable for various applications with minimal operator intervention.

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Area of Science:

Biotechnology
Cell Biology
Analytical Chemistry

Background:

Flow cytometers are limited in applications such as measuring attached cells or performing long-term single-cell tracking.
Confocal microscopy and imaging systems offer high resolution but suffer from low throughput and require expert operation.
A need exists for cell analysis instruments that balance throughput, flexibility, and ease of use.

Purpose of the Study:

To provide a comprehensive overview of scanning laser cytometers.
To discuss the operating principles, data analysis techniques, and applications of these systems.
To highlight their advantages over traditional flow cytometry and microscopy for specific analytical challenges.

Main Methods:

Review of scanning laser cytometry principles, focusing on light scattering and fluorescence measurements.
Comparison of scanning laser cytometers with flow cytometers and confocal microscopes regarding throughput and flexibility.
Discussion of data analysis strategies pertinent to scanning laser cytometry.

Main Results:

Scanning laser cytometers can perform multiparameter optical measurements comparable to flow cytometers.
These systems offer higher sample throughput than traditional microscopy-based systems.
Scanning laser cytometers can be configured for high operator interaction or automated, unattended analysis.

Conclusions:

Scanning laser cytometers present a valuable alternative for cell analysis tasks where flow cytometry is unsuitable.
Their adaptability allows for diverse applications, from detailed analysis to high-volume screening.
The technology bridges the gap between low-throughput, high-resolution microscopy and high-throughput flow cytometry.