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Corynebacterium diphtheriae
The bacterium that caused diphtheria was first described by Klebs in1883, and was cultivated by Loeffler in 1884, who applied Koch’s postulates and properly identified corynebacterium diphtheriae as the agent of the disease.
In 1884, Loeffler concluded that C. diphtheriae produced a soluble toxin, and there by provided the first description of a bacterial exotoxin.
Roux and Yersin(1888) discovered the diphtheria exotoxin and established it’s pathogenic effects.
The antitoxin was described by Von Behring(1890).
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Відео

Green Home Technology
Переглядів 184 місяці тому
Green home technology refers to innovative solutions, systems, and practices implemented in residential buildings to minimize environmental impact, conserve natural resources, and promote sustainability. It encompasses a range of technologies and strategies aimed at improving energy efficiency, reducing carbon emissions, conserving water, and enhancing indoor environmental quality. Do Subscribe...
Green House Technology
Переглядів 454 місяці тому
Greenhouse technology, also known as protected cultivation or controlled environment agriculture, involves creating an artificial environment to cultivate crops under controlled conditions. This technology has revolutionized modern agriculture by extending the growing season, optimizing crop growth, and improving overall productivity. Greenhouses provide a sheltered space where temperature, hum...
Copernican Revolution
Переглядів 404 місяці тому
Before Copernicus, astronomy was largely based on the Ptolemaic model, which placed Earth at the center of the universe and had numerous flaws. The Copernican Revolution challenged this model and forever changed our understanding of the cosmos. Nicholas Copernicus was not the first to explain that everything revolves around the Sun, but he did it so thoroughly, in that book, that he initiated a...
Antimicrobial Susceptibility Tests
Переглядів 1004 місяці тому
Antimicrobial susceptibility testing (AST) is a laboratory procedure used to determine the effectiveness of antibiotics or other antimicrobial agents against bacteria or other microorganisms. It helps healthcare professionals identify which antibiotics are likely to be most effective in treating a particular infection. In the current scenario, antimicrobial resistance (AMR) has become a signifi...
Transgenic Technology
Переглядів 376 місяців тому
The use of heterologous steroids for inducible transgene expression is advantageous because, in addition to their favorable kinetics, such molecules will not activate endogenous signaling pathways in the expression host and should therefore have limited toxicity. Chemically Induced Dimerization is a biological mechanism in which two proteins bind only in the presence of a certain small molecule...
Immunofluorescence
Переглядів 376 місяців тому
Immunofluorescence is a type of assay performed on biological samples to detect specific antigens in any biological specimen or sample and vice versa. The specificity of antibodies to their antigen is the base for immunofluorescence. It was described in 1942 and refined by Coons in 1950, which used a fluorescence microscope able to read the specific immunological reaction and cellular slide pre...
Eukaryotic RNA Polymerases
Переглядів 2327 місяців тому
Eukaryotic cells have three different types of RNA polymerases, known as RNA Pol 1, RNA Pol 2, and RNA Pol 3. These enzymes are responsible for transcribing different classes of RNA molecules in eukaryotic cells. The three eukaryotic RNA polymerases have different functions and are regulated by different mechanisms, which allows for fine-tuning of gene expression in response to changing cellula...
Isoelectric Focusing
Переглядів 4327 місяців тому
IEF is a technique used to separate and analyze proteins based on their Isoelectric Point , which is the pH at which a protein has no net charge. IEF is a type of electrophoresis, which involves the migration of charged molecules in an electric field. In IEF, a protein sample is applied to a gel containing a pH gradient, which is created by mixing different buffering agents. Subscribe and suppo...
Bioprocess Technology
Переглядів 907 місяців тому
The detection and assay of fermentation products are integral processes with far-reaching implications in diverse fields. From ensuring the quality and efficiency of industrial fermentation processes to advancing biotechnological research, improving healthcare diagnostics, and enhancing our understanding of ecological systems, the significance of these assays cannot be overstated. These analyti...
Hybridoma Technology and it's Applications
Переглядів 1117 місяців тому
Hybridoma technology is one of the most common methods used to produce monoclonal antibodies. In this process, antibody-producing B lymphocytes are isolated from mice after immunizing the mice with specific antigen and are fused with immortal myeloma cell lines to form hybrid cells, called hybridoma cell lines. These hybridoma cells are cultured in a lab to produce monoclonal antibodies, agains...
Forensic Applications of PCR
Переглядів 8707 місяців тому
PCR is a molecular biology technique that amplifies small segments of DNA, making it a powerful tool in forensic analysis. The technique can be used to analyze DNA samples from various sources, including blood, semen, hair, saliva, and tissues, and has a wide range of applications in forensic investigations. Subscribe and Support us for more videos. Follow Us on Facebook : profile....
Chromosome Based Sex Determination
Переглядів 274Рік тому
Chromosome theory of sex determination is proposed by Correns. It is based on number and nature of sex chromosomes. Sex Determination is based on differences in sex chromosomes. In this type of sex determination, both males and females have the same number of chromosomes. Subscribe and support us for more videos. Follow Us on Facebook : profile.php?id=100093312339528&mibextid=ZbWKw...
Animal Cell Culture
Переглядів 146Рік тому
Cell culture refers to the process by which cells are grown in a controlled artificial environment. Cells can be maintained in vitro outside of their original body by this process which is quite simple compared to organ and tissue culture. Animal cell cultures are used to replicate the viruses instead of animals for the production of vaccine. Cell culture can also be used to detect and isolate ...
Actinomycetes
Переглядів 285Рік тому
Actinomycetes refer to prokaryotic or unicellular organisms that are having a gram positive cell wall. The morphology of actinomycetes is more or less similar to the fungi because they can also produce a filamentous, dense, branched and raised colony over the substrate like fungi. Subscribe and support for more videos. Follow Us on Facebook : profile.php?id=100093312339528&mibextid...
Milk and Milk Products
Переглядів 83Рік тому
Milk and Milk Products
Inhibitors and Uncouplers of ETC and Oxidative Phosphorylation
Переглядів 211Рік тому
Inhibitors and Uncouplers of ETC and Oxidative Phosphorylation
Radioactive Pollution
Переглядів 67Рік тому
Radioactive Pollution
Functions of an Ecosystem
Переглядів 656Рік тому
Functions of an Ecosystem
Immunohematology and Blood Grouping Systems
Переглядів 258Рік тому
Immunohematology and Blood Grouping Systems
SV40 Vector
Переглядів 1,4 тис.Рік тому
SV40 Vector
How to solve a Gene Mapping problem ??
Переглядів 65Рік тому
How to solve a Gene Mapping problem ??
Riboflavin
Переглядів 122Рік тому
Riboflavin
Thiamine
Переглядів 182Рік тому
Thiamine
Computer Aided Drug Design (CADD)
Переглядів 4,6 тис.Рік тому
Computer Aided Drug Design (CADD)
Renal Clearance Tests
Переглядів 355Рік тому
Renal Clearance Tests
Mushroom Cultivation
Переглядів 284Рік тому
Mushroom Cultivation
Glycine as a Neurotransmitter
Переглядів 8 тис.Рік тому
Glycine as a Neurotransmitter

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