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Flow Cytometry

Flow Cytometry

The development of flow cytometry techniques began in 1934 with initial attempts by Andrew Moldavan, a bacteriologist who counted the cells in a flowing capillary system. Moldavan pumped cells through a capillary tube focused under a microscope for visualization. The invention of photometry allowed the measurement of differentially-stained cells, and Louis Kamentsky developed the first multiparameter flow cytometer in 1965 to identify and count the cancer cells in cervical tissue specimens.
In...

Raman Spectroscopy Instrumentation: Overview

Raman Spectroscopy Instrumentation: Overview

A conventional Raman spectrophotometer includes a laser source, a sample holding system, a wavelength selector, and a detector.
The monochromatic laser source, typically using visible or near-infrared radiation, generates a highly focused beam of light. This light interacts with the molecules of the sample, scattering some of the light. Liquid and gaseous samples are usually tested in ordinary glass capillaries, while solids can be analyzed as powders packed in capillaries or as potassium...

Instrument Calibration

Instrument Calibration

Instrument calibration is essential for ensuring that instruments produce accurate and consistent results. It is vital in manufacturing, healthcare, testing laboratories, and scientific research. Calibration processes are specific to each instrument and help enhance data accuracy. Each instrument has a unique calibration process tailored to its design and function to improve data accuracy.
Analytical Balance Calibration
An analytical balance measures mass and requires regular calibration to...

Instrumentation Amplifier

Instrumentation Amplifier

An electrocardiography (ECG) machine is an essential piece of medical equipment used to monitor the electrical activity of the heart. It operates by detecting small electrical changes on the skin that result from the depolarization of the heart muscle during each heartbeat. However, these signals are in the microvolt range and can be easily overwhelmed by noise or interference.
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Instrument Transformers

Instrument Transformers

Instrument transformers, comprising voltage transformers (VTs) and current transformers (CTs), play crucial roles in power substations by providing isolated replicas of current or voltage for measurement and protection purposes. Voltage transformers reduce the primary voltage to levels suitable for relay operation and measurement, while current transformers scale down the primary current. The primary winding of a current transformer often consists of a single turn, achieved by threading the...

Uncertainty in Measurement: Reading Instruments

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Counting is the type of measurement that is free from uncertainty, provided the number of objects being counted does not change during the process. Such measurements result in exact numbers. By counting the eggs in a carton, for instance, one can determine exactly how many eggs are there in the carton. Similarly, the numbers of defined quantities are also exact. For example, 1 foot is exactly 12 inches, 1 inch is exactly 2.54 centimeters, and 1 gram is exactly 0.001 kilograms. Quantities...

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Related Experiment Video

Updated: Feb 2, 2026

Automation of the Micronucleus Assay Using Imaging Flow Cytometry and Artificial Intelligence

Automation of the Micronucleus Assay Using Imaging Flow Cytometry and Artificial Intelligence

Published on: January 27, 2023

Flow Cytometry Instrumentation - An Overview.

Martin Büscher¹

¹Miltenyi Biotec GmbH, Biophysics, Bergisch Gladbach, Germany.

Current Protocols in Cytometry

|November 17, 2018

Summary

This summary is machine-generated.

Flow cytometry is a powerful technology used in biology and medicine to analyze cells and other particles. It measures various cell properties, aiding in classification and research across disciplines.

Keywords:

detectors flow cytometry hydrodynamic focusing signal processing

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Area of Science:

Biotechnology
Medical diagnostics
Cell biology

Background:

Flow cytometry has been utilized since the 1970s.
It is a key technology in biological and medical research.

Purpose of the Study:

To describe the capabilities of flow cytometry.
To highlight its applications in measuring and classifying suspended particles like cells.

Main Methods:

Utilizes flow cytometry technology.
Measures various cell parameters including geometric, physiological, and molecular properties.

Main Results:

Identified measurable cell parameters: size, membrane potential, integrity, vitality.
Quantification of intracellular and surface molecules such as DNA, RNA, cytokines, and antigens is possible.

Conclusions:

Flow cytometry is a versatile tool for detailed cell analysis.
Its applications span across biology and medicine for particle characterization.