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Anti-fouling composition and method of production thereof

An anti-fouling, mixture technology, applied in the fields of botanical equipment and methods, microorganism-based methods, biochemical equipment and methods, etc., can solve problems such as negative effects on the marine environment

Active Publication Date: 2005-02-02
THE HONG KONG UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, these "alternatives" also have negative impacts on the marine environment

Method used

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  • Anti-fouling composition and method of production thereof
  • Anti-fouling composition and method of production thereof
  • Anti-fouling composition and method of production thereof

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Embodiment Construction

[0017] specific implementation plan

[0018] The present invention is based on the discovery that a bacterial strain Vibrio alginolyticus secretes high molecular weight compounds having inhibitory activity against larval settling and metamorphosis of bryozoans, barnacles and polychaetes. This newly isolated strain of Vibrio alginolyticus was purified and characterized by the present inventors. It is an epiphytic bacterium isolated from the marine macroalga Ulva reticulata (Forsskal) (Chlorophyta, Forsskalaceae). This is a green macroalgae that is widely distributed along the eastern coast of Hong Kong. The strain of Vibrio alginilyticus was deposited on April 30, 2003 at the German Collection of Microorganisms and Cell Cultures (“Deutsche Sammlung von Mikroorganismen und Zellkulturen GmbH” (Braunschweig, Germany)) under the accession number DSM 15590. This new isolate may also be referred to as UST strain.

[0019] A purified antifouling agent of the present invention is pr...

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Abstract

An anti-fouling agent derived by culturing Vibrio alginolyticus in an aqueous solution suitable for growth thereof is described. The anti-fouling agent is produced and secreted by Vibrio alginolyticus, which can then be used as a component to produce other anti-fouling compositions. Depending on the use, the anti-fouling agent derived from V. alginolyticus may be used directly, or subject to further purification. A newly isolated strain of V. alginolyticus (DSM 15590) is also disclosed.

Description

technical field [0001] The invention relates to a new marine anti-fouling agent and a production process for producing the marine anti-fouling agent by fermentation of marine bacteria. Background technique [0002] For the marine industry, including marine transportation and mariculture, the mass attachment of marine fouling organisms (biofouling) such as marine bacteria, barnacles, molluscs and algae will bring huge economic losses. Marine fouling organisms tend to attach to objects such as water pipes, power station intake systems, sewer pipes, hull shells, propellers, heat exchangers, fences, fishing nets and cages or underwater parts of structures. Marine fouling organisms often clog pipes or attach to objects below the surface, preventing them from working properly. For example, the warm water associated with cooling systems in power stations provides an ideal environment for the attachment and growth of aquatic organisms. Fouling organisms also attach to the surface ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12N1/21C12P1/04C12P19/00
CPCC12P1/04C12P19/00C12R1/63C09D5/1637C12N1/205C12R2001/63
Inventor 钱培元塞尔盖·多布列佐夫蒂尔曼·哈德刘振钧
Owner THE HONG KONG UNIV OF SCI & TECH