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  2. Self-healing concrete - Wikipedia

    en.wikipedia.org/wiki/Self-healing_concrete

    Limestone generated inside the matrix of concrete may result in the densification of the matrix by pore filling and can help to self-heal crack, reducing its (water) permeability and resulting in the recovery of lost strength. If circumstances are favorable, most bacteria can precipitate CaCO 3 from the solution. [30]

  3. Microbiologically induced calcite precipitation - Wikipedia

    en.wikipedia.org/wiki/Microbiologically_induced...

    Two methods are currently being studied: injection of calcium carbonate precipitating bacteria. [12] [13] [37] [38] and by applying bacteria and nutrients as a surface treatment. [10] [39] [40] Increase in strength and durability of MICP treated cement mortar and concrete has been reported. [40] [41]

  4. Concrete sealer - Wikipedia

    en.wikipedia.org/wiki/Concrete_sealer

    Concrete sealers are applied to concrete to protect it from surface damage, corrosion, and staining. They either block the pores in the concrete to reduce absorption of water and salts or form an impermeable layer which prevents such materials from passing.

  5. Serratia marcescens - Wikipedia

    en.wikipedia.org/wiki/Serratia_marcescens

    S. marcescens is a motile organism and can grow in temperatures ranging 5–40 °C (41–104 °F) and in pH levels ranging from 5 to 9. It is differentiated from other Gram-negative bacteria by its ability to perform casein hydrolysis, which allows it to produce extracellular metalloproteinases which are believed to function in cell-to-extracellular matrix interactions.

  6. Miracle Mineral Supplement - Wikipedia

    en.wikipedia.org/wiki/Miracle_Mineral_Supplement

    Miracle Mineral Supplement, often referred to as Miracle Mineral Solution, Master Mineral Solution, MMS or the CD protocol, [1] is a branded name for an aqueous solution of chlorine dioxide, an industrial bleaching agent, that has been falsely promoted as a cure for illnesses including HIV, cancer and the common cold.

  7. History of penicillin - Wikipedia

    en.wikipedia.org/wiki/History_of_penicillin

    Abraham and Chain discovered that some airborne bacteria produced penicillinase, an enzyme that destroys penicillin. [65] It was not known why the mould produced penicillin, as the bacteria penicillin kills are no threat to the mould; it was conjectured that it was a byproduct of metabolic processes for other purposes. [64]

  8. List of unproven methods against COVID-19 - Wikipedia

    en.wikipedia.org/wiki/List_of_unproven_methods...

    "Miracle Mineral Solution" (MMS) is a mixture of sodium chlorite (with table salt and some other trace minerals) and an acid, which reacts with the sodium chlorite to produces a solution of unstable chlorous acid, which becomes chlorite, chlorate, and chlorine dioxide, an industrial bleach. [76]

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