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PH Meter – Principle, Parts, Types, Procedure, Calibration, Application, Examples

PH Meter Definition, Principle, Parts, Types, Application, Procedure.

What is pH Meter? Definition of pH Meter Advertisements A pH meter is a scientific instrument used to measure the acidity or alkalinity of aqueous solutions by determining the hydrogen-ion activity, expressed as pH. It operates based on the difference in electrical potential between a pH electrode and a reference electrode. What is pH? In … Read more

Hot Air Oven – Definition, Principle, Uses, Parts, Application, Procedure.

Hot Air Oven - Definition, Principle, Uses, Parts, Application, Procedure.

Advertisements A hot air oven is a laboratory appliance that is used to dry, sterilize, or heat materials. It works by circulating hot air inside the oven chamber to evenly distribute heat to the materials being processed. Hot air ovens are often used in a variety of settings, including research laboratories, industrial settings, and educational … Read more

Real Time PCR (RT-PCR) – Definition, Principle, Protocol, Application, Advantages

Real-Time PCR Principle, Protocol, Application, Advantages.

A real-time polymerase chain reaction (real-time PCR) is a conventional polymerase chain reaction (PCR) based laboratory technique used in molecular biology for real-time monitoring of the amplification of a targeted DNA molecule during the PCR, not at its end, as the conventional PCR do.

Giemsa Stain: Preparation, Procedure, Principle, Composition and Application

Giemsa Stain: Staining Procedure, Principle, Result and Application

Advertisements The term Giemsa stain originated from a name of German chemist and bacteriologist Gustav Giemsa. He apply this stain with a combination of reagents to detect the presence of malaria parasites. This stain is used for nucleic acid staining and histopathological diagnosis of malaria and other parasites. Giemsa Stain is a types of Romanowsky … Read more

Nitrate Reduction Test Procedure, Principle, Result

Nitrate Reduction Test Procedure, Principle, Result

What is Nitrate Reduction Test? Nitrate reduction test is used to differentiate Enterobacteriaceae based on their ability to produce nitrate reductase enzyme, which hydrolyzes nitrate (NO3–) to nitrite (NO2–), which may be further degraded to various nitrogen products such as nitrogen oxide, nitrous oxide, and ammonia (NH3), depending on the organism’s enzyme system and the … Read more

Tollens’ Test Definition, Principle, Procedure, Result, Application.

Tollens’ Test Definition, Principle, Procedure, Result, Application.

It is a type of biochemical test which is used to distinguish reducing sugars from non-reducing sugars. This biochemical test is also known as the silver mirror test based on the end product of this test. This test was also used to differentiate between aldehydes and ketones through routine qualitative organic analysis.

Oxidase Test Definition, Principle, Procedure, Result, Application

Oxidase Test Definition, Principle, Procedure, Result, Application

The oxidase test is a biochemical reaction that assays for the presence of cytochrome oxidase, an enzyme sometimes called indophenol oxidase. In the presence of an organism that contains the cytochrome oxidase enzyme, the reduced colorless reagent becomes an oxidized colored product .

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