Water bath
Water bath
A Water bath (pronunciation: /ˈwɔːtər bɑːθ/) is a laboratory equipment used to maintain a stable temperature for samples over an extended period. It is often used in molecular biology, microbiology, and biochemistry.
Etymology
The term "Water bath" is derived from the English words "water", meaning a colorless, transparent, odorless liquid that forms the seas, lakes, rivers, and rain, and "bath", meaning an act or process of immersing and washing one's body in a large container filled with liquid.
Usage
In a laboratory setting, a water bath provides a controlled environment for the heating of samples. It is often used for incubations and in the process of colony PCR. The water bath is filled with water, and the samples are placed in a container that floats in the bath. The temperature of the water bath is typically controlled with a thermostat.
Related Terms
- Incubator: An apparatus used to grow and maintain microbiological cultures or cell cultures. The incubator maintains optimal temperature, humidity, and other conditions such as the carbon dioxide (CO2) and oxygen content of the atmosphere inside.
- Thermostat: A device that automatically regulates temperature, or that activates a device when the temperature reaches a certain point.
- Colony PCR: A method used to determine if a particular bacteria contains a desired DNA sequence.
External links
- Medical encyclopedia article on Water bath
- Wikipedia's article - Water bath
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