Photodynamic method of inhibiting growth of a microbial plant pathogen

    公开(公告)号:US12108756B2

    公开(公告)日:2024-10-08

    申请号:US17278657

    申请日:2019-09-24

    CPC classification number: A01N25/00 A01N59/20

    Abstract: We describe methods and materials for inhibiting the growth of a microbial pathogen of a plant. The method comprises the steps of applying to the plant a combination of a dye-bearing compound which is a reactive oxygen species photosensitizer; and a copper compound, which increases the microbial lethality of the dye-bearing compound towards the microbial pathogen; and exposing the plant to light to activate the combination of the dye-bearing compound and the copper compound and inhibiting growth of a microbial pathogen of a plant. The combination of the dye-bearing compound and the copper compound may result in a synergistic ability to reduce the growth of a plant pathogen.

    MODIFIED CAST METAL OBJECT
    7.
    发明公开

    公开(公告)号:US20240268391A1

    公开(公告)日:2024-08-15

    申请号:US18567913

    申请日:2022-06-09

    Abstract: The invention relates to a device, specifically a cast metal object, composed of one or more metals with an additive, such as an aluminate, silicate, or aluminosilicate, dispersed throughout. The additive may be a halloysite nanotube or kaolinite, and may be present in amounts between 0.1 to 10 wt. % relative to the object's total weight. The metal may vary, with options including copper, iron, steel, and their respective alloys. Additionally, a method for generating the cast metal object is provided. The method may provide for preparing a molten material with the metal and additive, pouring this into a casting mold, and cooling it to form the object. The resulting device may be utilized to decrease the transmission of diseases by reducing microbial contamination on touch surfaces. The method may applicable to communicable diseases resulting from viral or bacterial infections, such as coronaviruses or antibiotic-resistant bacteria.

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