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Latest Notes
- Bial’s Test- Principle, Procedure, Result, Uses
Bial’s test is a chemical test used for detection of pentoses (5-carbon sugars) and it is used to distinguish pentoses … Read more - Beta (β) Lactamase Test – Principle, Procedure, ResultsMany bacteria produce a group of enzymes known as beta-lactamases that are mediated through genes in plasmids or the chromosomes. Beta-lactamase can be a constant process or it may be triggered through contact with antimicrobials. Beta-lactamases hydrolyze (and consequently inhibit) the beta-lactam ring of many Cephalosporins as well as penicillins. Beta-Lactamase Test is a rapid test to determine the presence of beta-lactamase , an enzyme that is produced by the strains from Staphylococcus aureus Neisseria gonorrhoeae, Branhamella catarrhalis as well as Haemophilus influenzae.
- Nitrocefin Test (Beta-Lactamase Test) – Principle, Procedure, UsesThe nitrocefin biochemical test is a sensitive technique for detecting beta-lactamase-producing strains of N. gonorrhoeae, H. influenzae, Staphylococcus spp, Enterococcus spp, and Moraxella (Branhamella) catarrhalis. Nitrocefin is the only reliable test for detecting beta-lactamase-producing Enterococcus spp.
- Mucic acid test – Principle, Procedure, Result, UsesMucic acid test is a biochemical test used to detect galactose and galactose containing carbohydrates such as lactose. It is … Read more
- Molisch Test – Principle, Procedure, Result, UsesMolisch’s test is a classic chemical test used for detection of carbohydrate in a given sample. It is a highly … Read more
- Rapid Furfural Test for Glucose and Fructose – Principle, Procedure, ResultRapid Furfural Test is a rapid chemical assay used to quickly distinguish between aldohexoses such as glucose and ketohexoses such … Read more
- Fehling’s Test – Principle, Procedure, ResultThis test also can differentiate between ketone functional groups and water-soluble carbohydrates.
- Solubility Tests of Proteins – Principle, Procedure, Result, UsesSolubility Tests is a type of biochemical test which is performed to check the ability of compounds to dissolve within a liquid solvent.
- Alkaline Phosphatase Test of Milk – Principle, Procedure, Result, UsesAlkaline Phosphatase (ALP) is an enzyme that is naturally found within all the raw milks that is utilized to determine the quality of pasteurization of milk. A complete pasteurization process can deactivate the enzyme below levels that can be detected by traditional methods. Because the stability of the heat of ALP is higher than the stability of pathogens that could be found in milk, it serves as a metric of security. However, failure for detection of ALP activity is not a mean an item is safe from pathogens.
- Carbohydrate Fermentation Test – Sugar Fermentation TestThe carbohydrate fermentation test can be used to determine if bacteria are able to ferment a certain carbohydrate. It is a test to determine any presence of acids or gas resulting from carbohydrate fermentation.
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