Hydrogel-impregnated membrane nanoparticles for toxin neutralization
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Solution Overview
Problem
Current antimicrobial hydrogels lack the capability to eliminate virulence factors produced by infectious microbes, which can worsen infection outcomes, and membrane-coated nanoparticles for toxin absorption are limited to systemic administration due to dehydration issues.
Innovation Solution
A polymeric hydrogel impregnated with toxin-absorbing or binding nanoparticles, featuring an inner core of non-cellular material and an outer surface of cellular membrane, is developed to absorb or bind toxins, enhancing bactericidal effects and retaining functionality for local treatment and prophylaxis.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If membrane-coated nanoparticles are used for toxin absorption, then toxin-neutralizing capability is improved, but the formulation dehydrates quickly limiting application to systemic administration
Solution Approach 1:
The patent combines membrane-coated nanoparticles with hydrogel formulation to create a composite system where the hydrogel provides sustained hydration while the nanoparticles maintain their toxin-absorbing functionality. This merging resolves the contradiction by allowing the nanoparticles to function topically without rapid dehydration.
Solution Approach 2:
The hydrogel acts as an intermediary medium that maintains the hydrated environment required for membrane-coated nanoparticle stability and function. The hydrogel matrix serves as a carrier that prevents dehydration while allowing the nanoparticles to interact with toxins at the application site.
2Productivity
If conventional antibiotic formulations are used, then bacterial eradication is achieved, but virulence factors are not eliminated leading to worsened clinical outcomes
Solution Approach 1:
The hydrogel formulation serves multiple functions simultaneously: it delivers antibiotics for bacterial eradication while also incorporating membrane-coated nanoparticles that absorb virulence factors and toxins. This multi-functionality resolves the contradiction by addressing both bacterial killing and virulence factor elimination in a single formulation.
Solution Approach 2:
The patent creates a composite hydrogel system combining antibiotics with membrane-coated nanoparticles. This composite material enables dual functionality: the antibiotic component eradicates bacteria while the nanoparticle component neutralizes virulence factors, thereby eliminating both harmful effects.
3Ease of operation
If topical treatment or device coating is attempted with membrane-coated nanoparticles, then localized toxin neutralization is achieved, but the formulation dehydrates quickly
Solution Approach 1:
The patent merges membrane-coated nanoparticles with hydrogel matrix to enable topical application. The hydrogel provides the necessary hydration stability for sustained topical treatment and device coating applications, resolving the dehydration issue while maintaining localized toxin-neutralizing capability.
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 hydrogel formulation effectively neutralizes toxins, as demonstrated by significant absorption and retention of α-toxin, reducing MRSA-induced hemolysis and skin lesions in vivo, showcasing its potential for treating localized infections.
Implementation Method 1
an outer surface comprising a cellular membrane configured for absorbing or binding said toxin
Data Source
AI summary
The present invention provides for compositions comprising a polymeric hydrogel impregnated with a toxin-absorbing or binding nanoparticle. The present invention also provides for the use of the above compositions for decreasing or neutralizing the effect of a toxin, or for treating or preventing an infection by a microbe that produces a toxin, in a subject. The exemplary toxin is a biological toxin such as a viral, bacterial, fungal, plant or animal toxin.