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  2. Biosafety level - Wikipedia

    en.wikipedia.org/wiki/Biosafety_level

    Certain procedures in which infectious aerosols or splashes may be created are conducted in biological safety cabinets or other physical containment equipment. [21] Extreme precautions are taken with contaminated sharp items. Biosafety level 2 is suitable for work involving agents of moderate potential hazard to personnel and the environment. [22]

  3. Biological hazard - Wikipedia

    en.wikipedia.org/wiki/Biological_hazard

    A biological hazard, or biohazard, is a biological substance that poses a threat (or is a hazard) to the health of living organisms, primarily humans. This could include a sample of a microorganism, virus or toxin that can adversely affect human health. A biohazard could also be a substance harmful to other living beings. [a]

  4. Biosafety - Wikipedia

    en.wikipedia.org/wiki/Biosafety

    Chemical hazards typically found in laboratory settings include carcinogens, toxins, irritants, corrosives, and sensitizers. Biological hazards include viruses, bacteria, fungi, prions, and biologically derived toxins, which may be present in body fluids and tissue, cell culture specimens, and laboratory animals.

  5. Category:Biological hazards - Wikipedia

    en.wikipedia.org/wiki/Category:Biological_hazards

    Pages in category "Biological hazards" The following 25 pages are in this category, out of 25 total. This list may not reflect recent changes. * Biological hazard; A.

  6. Safe handling of carcinogens - Wikipedia

    en.wikipedia.org/wiki/Safe_handling_of_carcinogens

    Carcinogens are defined as 'a substance or agent that can cause cells to become cancerous by altering their genetic structure so that they multiply continuously and become malignant'. [1] The World Health Organization breaks down the three types of carcinogens that can cause cancer in humans. The first type of carcinogen is the physical type ...

  7. Toxicity - Wikipedia

    en.wikipedia.org/wiki/Toxicity

    Toxicity is the degree to which a chemical substance or a particular mixture of substances can damage an organism. [1] Toxicity can refer to the effect on a whole organism, such as an animal, bacterium, or plant, as well as the effect on a substructure of the organism, such as a cell (cytotoxicity) or an organ such as the liver (hepatotoxicity).

  8. List of biosafety level 4 organisms - Wikipedia

    en.wikipedia.org/wiki/List_of_biosafety_level_4...

    Biosafety level 4 laboratories are designed for diagnostic work and research on easily respiratory-acquired viruses which can often cause severe and/or fatal disease. What follows is a list of select agents that have specific biocontainment requirements according to US federal law.

  9. Toxin - Wikipedia

    en.wikipedia.org/wiki/Toxin

    A toxin is a naturally occurring poison [1] produced by metabolic activities of living cells or organisms. [2] They occur especially as proteins, often conjugated. [3] The term was first used by organic chemist Ludwig Brieger (1849–1919), [4] derived from toxic.