Opsonization- Definition, Mechanism, Opsonins, Examples

Opsonins

Opsonization definition The term opsonization refers to the capacity of antibodies and complement components (as well as other proteins) to coat dangerous antigens that can then be recognized by antibodies or complement receptors on phagocytic cells. Opsonization is the molecular mechanism whereby molecules, microbes, or apoptotic cells are chemically modified to have stronger interactions with cell surface receptors on phagocytes …

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Bacterial Conjugation- Definition, Principle, Process, Examples

Steps or Process of Bacterial Conjugation

Bacterial Conjugation Definition Conjugation is the transfer of a plasmid or other self-transmissible DNA element and sometimes chromosomal DNA from a donor cell to a recipient cell via direct contact usually mediated by a conjugation pilus or sex pilus. Recipients of the DNA transferred by conjugation are called transconjugants. The process of conjugation can transfer DNA regions of hundreds to …

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Cell Organelles- Structure and Functions with labeled diagram

Cell Organelles- Structure and Functions with diagram

Cell Organelles definition Cell organelle is a specialized entity present inside a particular type of cell that performs a specific function. There are various cell organelles, out if which, some are common in most types of cells like cell membranes, nucleus, and cytoplasm. However, some organelles are specific to one particular type of cell-like plastids and cell walls in plant …

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Instruments used in Microbiology Lab with Principle and Uses

Instruments used in Microbiology Lab with Principle and Uses

The instruments used in the microbiology labs include a bunch of different kinds of instruments required for a lot of different processes conducted within those laboratories. Figure: Instruments used in Microbiology Lab with Principle and Uses. Image created with biorender.com 1. Analytical Balance An analytical balance is a type of balance that is commonly used for the measurement of mass …

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Prevention and Control of COVID-19

Prevention and Control of COVID-19 (SARS-CoV-2)

Since there is currently no vaccine to prevent coronavirus disease (COVID-19), the best way to prevent illness is to avoid being exposed to this virus. As the primary mode of transmission is droplet transmission, the preventive measures revolve around the avoiding of the transfer of the droplets. Figure: Prevention and Control of COVID-19 (SARS-CoV-2), Image created with biorender.com The following …

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Types of PCR (Polymerase chain reaction) – definition and uses

Types of PCR (Polymerase chain reaction)- definition and uses

List of Types of PCR Amplified fragment length polymorphism (AFLP) PCR Allele-specific PCR Alu PCR Assembly PCR Asymmetric PCR COLD PCR Colony PCR Conventional PCR Digital PCR (dPCR) Fast-cycling PCR High-fidelity PCR High-Resolution Melt (HRM) PCR Hot-start PCR In situ PCR Intersequence-specific (ISSR) PCR Inverse PCR LATE (linear after the exponential) PCR Ligation-mediated PCR Long-range PCR Methylation-specific PCR (MSP) Miniprimer …

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Sample collection and Diagnosis of COVID-19 (SARS-CoV-2)

Sample collection and Diagnosis of COVID-19

Medical Disclaimer: The information presented on the website is only for academic and study purposes and must not be used for the purpose of diagnosis. If you are not feeling well, please consult with your physician or doctor. Specimen Collection Since COVID-19 is an infectious respiratory tract infection, respiratory material should be collected, at a minimum: upper respiratory specimens: nasopharyngeal …

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Treatment options and Vaccines updates of COVID-19

Treatment options and Vaccines updates of COVID-19

Medical Disclaimer: The information presented on the website is only for academic and study purposes and must not be used for the purpose of treatment. If you are not feeling well, please consult with your physician or doctor. Image Source: Biorender and ARTIS Ventures Current Therapies of COVID-19 Currently, no specific antiviral treatment has been confirmed to be effective against …

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Transmission, pathogenesis, replication of SARS-CoV-2 (COVID-19)

Transmission, pathogenesis, replication of SARS-CoV-2 (COVID-19)

Modes of transmission of SARS-CoV-2 (COVID-19) There are three modes of transmission of SARS-CoV-2 which include: Droplets transmission Contact transmission Aerosol transmission Figure: Modes of transmission of SARS-CoV-2. Image Source: NCBI Book Droplets transmission occurs when respiratory droplets (as produced when an infected person coughs or sneezes) are ingested or inhaled by individuals in close proximity. Contact transmission occurs when …

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Signs and Symptoms of COVID-19 with Risk factors

Signs and Symptoms of COVID-19

Coronavirus disease 2019 (COVID-19) is an infectious respiratory tract infection caused by SARS-CoV-2. The disease was first reported from Wuhan, China and has since then, spread globally, causing the 2019-2020 pandemic. The mode of transmission for this disease is through close physical contact and small droplets that develop during coughing, sneezing and even talking. Even though these droplets might be …

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