Electronic cell counting device

Definition

An electronic cell counting device, also known as an automated cell counter, is a laboratory instrument used to count and analyze the characteristics of cells in a sample. It uses electrical impedance or optical methods for precise measurements.

5 Must Know Facts For Your Next Test

1. It can quickly and accurately count large numbers of cells in a sample.
2. Commonly used methods include Coulter principle (electrical impedance) and flow cytometry (optical analysis).
3. These devices can differentiate between different types of cells based on size and granularity.
4. They often provide additional data such as cell viability and concentration.
5. Electronic cell counters are essential for monitoring microbial growth in cultures.

Related terms

Coulter Principle: A method that measures changes in electrical resistance as cells pass through a small aperture.

Flow Cytometry:

A technique that uses laser optics to analyze the physical and chemical properties of particles in a fluid.

Cell Viability: The measure of the proportion of live, healthy cells within a population.