Monolayer Copper Hydroxide Nanoplatelets for Low-Toxicity Antimicrobials
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Solution Overview
Problem
Existing technologies face challenges in producing monolayer metal hydroxides with superior properties for applications such as plasmonics, antimicrobial treatments, and environmental remediation, while current products are often toxic and have limited efficacy and scalability.
Innovation Solution
A method is developed to produce monolayer metal hydroxides, particularly copper hydroxide nanoparticles, by ion exchange of magnesium hydroxide nanoplatelets with copper ions, resulting in superior penetration and distribution, and less toxic antimicrobial properties, suitable for large-scale production.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional metal hydroxide products are used, then antimicrobial activity is achieved, but toxicity increases and efficacy is limited
Solution Approach 1:
The patent changes the physical parameters of copper hydroxide from conventional bulk form to monolayer nanoplatelet form with controlled thickness (1-10 nm), which fundamentally alters the material's properties to reduce toxicity while maintaining antimicrobial efficacy through enhanced surface area to volume ratio and improved penetration capabilities
Solution Approach 2:
The invention transitions from three-dimensional bulk metal hydroxide to two-dimensional monolayer nanoplatelets, creating a dimensional change that enables superior penetration into biological systems and targeted delivery of antimicrobial activity while reducing overall toxicity
2Reliability
If conventional copper products are used for pressure treating lumber, then protection against rot and fungi is achieved, but penetration and distribution are insufficient
Solution Approach 1:
The patent modifies the physical parameters of copper compounds from conventional micronized forms to nanoscale monolayer nanoplatelets with thickness of 1-10 nm, enabling significantly improved penetration into lumber vasculature and distribution throughout the material while maintaining long-lasting protection
Solution Approach 2:
The invention segments the copper hydroxide into discrete monolayer nanoplatelets rather than using bulk material, allowing individual nanoparticles to penetrate deep into the lumber structure and distribute throughout the vasculature system, achieving superior penetration and distribution
3Productivity
If existing metal hydroxide production methods are used, then production is achieved, but scalability and cost-effectiveness are limited
Solution Approach 1:
The patent employs a self-assembly process where copper ions spontaneously deposit onto magnesium hydroxide nanoplatelet cores to form the monolayer shell structure, eliminating the need for complex multi-step synthesis procedures and enabling scalable production at low cost
Solution Approach 2:
The invention uses magnesium hydroxide nanoplatelets as intermediary cores that facilitate the formation of copper hydroxide monolayer shells through ion exchange, providing a straightforward pathway for scalable production while maintaining the desired nanoscale properties and functional performance
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The method enables the production of monolayer metal hydroxides with enhanced performance in plasmonics and antimicrobial applications, providing long-lasting protection against rot and microbes, and effective remediation of contaminated water and waste streams with reduced toxicity and cost.
Implementation Method 1
dissolving metal salts or metal ion sources to supply other metal ions that are dissolved into the water of the water column to supply the other metal ions to self assemble by ion exchange to yield a monolayer shell
Implementation Method 2
supply the other metal ions to self assemble by ion exchange to yield a monolayer shell
Data Source
AI summary
Nanoplatelet forms of monolayer metal hydroxides are provided, as well as methods for preparing same. The nanoplatelets are suitable for use in antimicrobial compositions, for pressure treating lumber against wood rot, termites, and fungus, for water treatment for the removal of heavy metal contaminants, for the production of plasmonics devices, for the production of ore, or for the recovery of valuable metals in, e.g., fly ash ponds, mine tailings ponds, or other fluids containing the metal in ionic form. The nanoplatelet forms include copper hydroxide nanoplatelets.