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Biological method for the preventive treatment of abiotic surfaces

A non-biological, preventive technology, applied in the fields of botanical equipment and methods, chemicals for biological control, chemical instruments and methods, etc., can solve problems such as reducing effect, difficult to control, etc., to achieve the effect of avoiding contact

Inactive Publication Date: 2011-07-27
IPRS USA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This will significantly reduce the effect of these substances
In addition, pathogenic bacteria can be more difficult to control as they mutate to adapt to new environments

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] The present invention consists of methods of applying biofilms to abiotic surfaces. A biofilm is a dense multicellular community of microorganisms formed on a support. Bacillus subtilis is known to form such biofilms. Cellular aerobicity promotes biofilm formation at the air / liquid interface. The use of such biofilms on metals to prevent corrosion is known in the art.

[0017] Bacillus subtilis secretes an extracellular lipopeptide surfactant, namely surfactin. This can be mediated through quorum sensing. Thus, the Bacillus subtilis biofilm matrix is ​​mainly composed of proteins.

[0018] Non-pathogenic bacteria produce polymeric matrices. This extracellular polymeric matrix ensures that the tolerance of these non-pathogenic bacteria is not affected.

[0019] In general, the formation of biofilms involves two main steps. The first step is to bring the non-pathogenic bacteria into contact with the non-living surface. This stage is mainly characterized by non-spe...

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PUM

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Abstract

Method for the preventive treatment of an abiotic surface in a domestic or medical environment, using a watery solution of a mixture with gram-positive non-pathogenic bacteria of the Bacillus genus, by creating a biofilm on the abiotic surface, whereby the application method promotes the hydrophobic interaction and fluid flow.

Description

technical field [0001] The present invention relates to a biological method for the prophylactic treatment of surfaces by using Gram-positive non-pathogenic bacteria of the genus Bacillus. [0002] In particular, the present invention relates to methods of applying these non-pathogenic bacteria as biofilms to non-living surfaces to keep said surfaces free of Salmonella, Listeria, E. coli, Pathogenic bacteria such as Staphylococcus. Background technique [0003] One method known in the art is to use disinfectants to render surfaces free of germs. The use of hydrogen peroxide, an oxygen bleach alternative to chlorine-containing products, still has the disadvantage of containing about 0.2% of refractory phosphates. [0004] The risk of widespread use of chemical disinfectants is that pathogenic bacteria develop resistance. This will significantly reduce the effects of these substances. In addition, pathogenic bacteria can be more difficult to control because they mutate to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01P15/00C12S9/00A01N63/00A01P1/00A61L2/00C12S99/00A01N63/22
CPCA01N63/00B08B7/00A61L2/22A01N63/22
Inventor 彼得 克尔斯滕斯
Owner IPRS USA