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Methyl Red (MR) Test – Principle, Procedure, Results, Uses

Methyl Red and Voges Proskauer Test

What is Methyl Red (MR) Test? Objectives of Methyl Red (MR) Test Advertisements The objectives of the Methyl Red (MR) Test can be outlined as follows: Principle of Methyl Red test The principle of the Methyl Red (MR) test is based on assessing the ability of an organism to produce and maintain stable acid end products … Read more

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

Latex agglutination test – Definition, Procedure, Principle, Advantages, Limitation, Uses

latex agglutination test

What is the latex agglutination test? Types of Latex Agglutination Advertisements The latex agglutination test can be categorized into two main types based on the processes of detection: Latex Agglutination Test (LAT) for Antibody Detection and Latex Agglutination Test (LAT) for Antigen Detection. These two types of latex agglutination tests provide valuable diagnostic information 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

Triple Beam Balance – Parts, Procedure, Uses

Triple Beam Balance - Parts, Procedure, Uses

What is Triple Beam Balance? Definition of Triple Beam Balance Advertisements A triple beam balance is a precise measuring instrument used to determine the mass of an object. It consists of three beams, each with different sizes and scale readings, allowing for precise measurements ranging from 0.1 grams to 600 grams. Parts of Triple Beam … Read more

Litmus Milk Test Principle, Procedure, Result

Litmus Milk Test Principle, Procedure, Result

What is the Litmus Milk Test? Litmus Milk Medium is a liquid medium suggested for use in qualitative tests for determining the activity of bacteria on milk and maintaining lactic acid bacteria. The Litmus Milk Test requires a litmus milk medium, which is a liquid medium that differentiates bacteria based on numerous metabolic events in … Read more

Acetamide utilization Test Principle, Procedure, result

Acetamide utilization Test Principle, Procedure, result

Test Name Acetamide utilization Test Purpose Differentiate microorganisms according to their capacity to utilise acetamide as their only carbon source. Microorganisms Tested Isolated colonies of Gram-negative, non-glucose-fermenting rods that emit a luminous pigment and are suggestive of P. aeruginosa. Result Positive: The slant shows growth, and its colour changes from green to intense blue.Negative: There … Read more

Leucine aminopeptidase (LAP) Test Principle, Procedure, Results

Leucine aminopeptidase (LAP) Test Principle, Procedure, Results

Leucine aminopeptidase (LAP) is an enzyme used to distinguish catalase-negative, gram-positive cocci of Aerococcus and Leuconostoc (LAP test negative) from other organisms in the group, such as Streptococcus, Enterococcus, Lactococcus, and Pediococcus (almost always positive).

Lipase Test Principle, Procedure, results

Lipase Test Principle, Procedure, results

The pancreas secretes an enzyme called lipase that aids in the digestion of fatty foods. High levels of lipase in the blood may indicate pancreatitis, a disorder characterised by the inflammation and enlargement of the pancreas. Other pancreatic difficulties, certain drugs, and diseases and disorders include kidney failure, cancer, and gallbladder and oesophagus troubles can … 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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