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Botulism: Food poisoning caused by Clostridium botulinum

Botulism: Food poisoning caused by Clostridium botulinum

August 26, 2020 Gaurab Karki 0

Botulism: Botulism is a neuro paralytic intoxication caused by ingestion of preformed enterotoxin in food produced by Clostridium botulinum. Etiological agent for Botulism: Clostridium botulinum […]

Food borne disease: food poisoning and food infection with example

Food borne disease: food poisoning and food infection with example

August 25, 2020 Gaurab Karki 0

Concept of food borne disease: Food borne disease are divided into two main types i.e. poisoning and infection. Food poisoning: If disease is caused by […]

Food preservation from microbial spoilage: Principle and methods

Food preservation from microbial spoilage: Principle and methods

August 25, 2020 Gaurab Karki 0

Principle of food preservation: Various chemical and physical methods are available for preservation of food. But selection of appropriate method is very important to protect […]

Factor affecting growth of microorganisms in food

Factor affecting growth of microorganisms in food

August 24, 2020 Gaurab Karki 0

How microbes spoil foods? Food is a collection of essential nutrients of animals or plants origin. In most cases, micro-organisms utilize food as a source […]

Coral Reefs: Types, Formation and Economic importance

Coral Reefs: Types, Formation and Economic importance

August 23, 2020 Gaurab Karki 0

What is Coral Reefs? Coral colonies grow continuously in size by budding of polyps and often form extensive masses, known as coral reefs. According to […]

Corals: Structure and Types

Corals: Structure and Types

August 23, 2020 Gaurab Karki 0

What is coral? Corals (coral animals) are marine, mostly colonial, polyploid coelenterates, looking like miniature sea anemones and living in a secreted skeleton of their […]

Blood clotting: factors, mechanism and inhibitors

Blood clotting: factors, mechanism and inhibitors

August 22, 2020 Gaurab Karki 0

Hemostasis mechanism of preventing blood loss One drawback of a circulatory system such as ours, in which the liquid blood is under high pressure, is […]

Immunoassay: Principle and Methods

Immunoassay: Principle and Methods

August 22, 2020 Gaurab Karki 0

What is Immunoassay? An immunoassay is a biochemical test that measures the concentration of a substance in a liquid (a portion of a biological specimen) […]

Microbiological assay and methods

Microbiological assay and methods

August 22, 2020 Gaurab Karki 0

Microbial assay Microorganisms have found widespread uses in the performance of bioassays for: Determining the concentration of certain compounds (e.g., amino-acids, vitamins and some antibiotics) […]

Rabies virus: Properties, life cycle, pathogenesis, diseases and diagnosis

Rabies virus: Properties, life cycle, pathogenesis, diseases and diagnosis

August 22, 2020 Gaurab Karki 0

What is Rabies? Rabies virus is also known as street virus. It causes rabies which is an acute infection of CNS and is always fatal […]

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