Composite nano material as well as preparation method and application thereof

By utilizing the synergistic catalytic effect of histidine and copper ions through composite nanomaterials with dendritic cluster structure, the efficient degradation of xanthan gum was achieved, solving the problems of high temperature, high pressure and high cost of traditional methods and providing mild degradation conditions.

CN121819949APending Publication Date: 2026-04-10YANGZHOU UNIV
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Patent Information

Application Number
CN202610231782.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-02-27
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing technologies are difficult to effectively degrade xanthan gum, and traditional methods have problems such as demanding high temperature and high pressure requirements, complex processes, high costs, or easy deactivation of biological enzymes.

Method used

A composite nanomaterial with a dendritic cluster structure, consisting of an amorphous copper oxide and histidine complex, forms a synergistic catalytic interface through the coordination of histidine with copper ions, catalyzing the decomposition of hydrogen peroxide to produce reactive oxygen species that degrade xanthan gum.

Benefits of technology

The efficient degradation of xanthan gum was achieved under mild conditions, avoiding high temperature, high pressure and the introduction of toxic substances, thus reducing process complexity and cost.

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Abstract

The invention belongs to the field of nano materials, and provides a composite nano material and a preparation method and application thereof. The composite material has a dendritic cluster structure, the dendritic cluster structure is formed by aggregation of a plurality of primary nanoparticles, and the primary nanoparticles comprise a compound formed by amorphous copper oxide and histidine. The composite nanomaterial provided by the embodiment of the invention has good catalytic activity, and can be used for degrading polysaccharides such as xanthan gum in the absence of electron donors.
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