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  2. Biofilm - Wikipedia

    en.wikipedia.org/wiki/Biofilm

    A biofilm is a syntrophic community of microorganisms in which cells stick to each other and often also to a surface. [2] [3] These adherent cells become embedded within a slimy extracellular matrix that is composed of extracellular polymeric substances (EPSs).

  3. Microbial mat - Wikipedia

    en.wikipedia.org/wiki/Microbial_mat

    A microbial mat is a multi-layered sheet or biofilm of microbial colonies, composed of mainly bacteria and/or archaea. Microbial mats grow at interfaces between different types of material, mostly on submerged or moist surfaces, but a few survive in deserts. [1] A few are found as endosymbionts of animals.

  4. Trickling filter - Wikipedia

    en.wikipedia.org/wiki/Trickling_filter

    As the biofilm layer thickens, it eventually sloughs off into the liquid flow and subsequently forms part of the secondary sludge. Typically, a trickling filter is followed by a clarifier or sedimentation tank for the separation and removal of the sloughed film. Filters utilizing higher-density media, such as sand, foam and peat moss do not ...

  5. Phototrophic biofilm - Wikipedia

    en.wikipedia.org/wiki/Phototrophic_biofilm

    The formation of biofilms is a complex process and is dependent upon the availability of light as well as the relationships between the microorganisms. Biofilms serve a variety of roles in aquatic, terrestrial, and extreme environments; these roles include functions which are both beneficial and detrimental to the environment.

  6. Intertidal biofilm - Wikipedia

    en.wikipedia.org/wiki/Intertidal_biofilm

    Biofilms in marine environments Various biofilm components (including bacteria, algae, and fungi) are embedded in a matrix of extracellular polymeric substances.. An intertidal bioflim is a biofilm that forms on the intertidal region of bodies of water.

  7. Extracellular polymeric substance - Wikipedia

    en.wikipedia.org/wiki/Extracellular_polymeric...

    EPS is found in the matrix of other microbial biofilms such as microalgal biofilms. The formation of biofilm and structure of EPS share a lot of similarities with bacterial ones. The formation of biofilm starts with reversible absorption of floating cells to the surface. Followed by production of EPS, the adsorption will get irreversible.

  8. 'No one will win a trade war,' China says after Trump tariff ...

    www.aol.com/news/no-one-win-trade-war-015134863.html

    Neither the United States nor China would win a trade war, the Chinese Embassy in Washington said on Monday, after U.S. President-elect Donald Trump threatened to slap an additional 10% tariff on ...

  9. Quorum sensing - Wikipedia

    en.wikipedia.org/wiki/Quorum_sensing

    Quorum sensing (QS) is used by bacteria to form biofilms. Quorum sensing is used by bacteria to form biofilms because the process determines if the minimum number of bacteria necessary for biofilm formation are present. The criteria to form a biofilm is dependent on a certain density of bacteria rather than a certain number of bacteria being ...