Fatty Ammonium Salt Starch Complexes for Antimicrobial Protection
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Solution Overview
Problem
Current methods lack effective solutions for inhibiting microbial growth on surfaces and deterring insect consumption of wood, particularly in agricultural and wood treatment contexts, where traditional antimicrobial agents may not provide sufficient protection against a broad range of microorganisms and pests.
Innovation Solution
Development of fatty-ammonium salt-starch inclusion complexes, combined with film-forming agents like poly(vinyl) alcohol (PVOH) and plasticizers, which form antimicrobial films that can be applied to surfaces to prevent microbial growth and deter insect consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional antimicrobial agents are used, then microbial growth inhibition is achieved, but broad-spectrum protection against multiple microorganisms and pests is insufficient
Solution Approach 1:
The patent combines starch (biodegradable polysaccharide) with fatty ammonium salts (quaternary ammonium compounds) to create a composite antimicrobial material. This composite structure leverages the biocompatibility of starch and the broad-spectrum antimicrobial properties of fatty ammonium salts, achieving both effective microbial inhibition and versatile protection against multiple pathogens and pests while maintaining environmental friendliness
2Productivity
If biodegradable materials are used for wound dressings, then environmental compatibility is improved, but antimicrobial durability may be reduced
Solution Approach 1:
The patent merges the biodegradable starch matrix with durable fatty ammonium salt antimicrobial agents to create a wound dressing that maintains both environmental compatibility and prolonged antimicrobial activity. The starch provides biocompatibility and controlled release, while the fatty ammonium salts deliver sustained broad-spectrum protection, resolving the contradiction between biodegradability and durability
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 fatty-ammonium salt-starch inclusion complexes effectively inhibit microbial growth on various surfaces and reduce wood consumption by insects, demonstrating high antimicrobial activity and durability in practical applications.
Implementation Method 1
amylose can form inclusion complexes with hydrophobic ligands such as fatty acids and fatty amines
Implementation Method 2
the hydrophobic portion of a ligand associates with the hydrophobic internal cavity of the amylose helix by van der Waals forces
Implementation Method 3
The fatty-ammonium salt-starch inclusion complexes effectively inhibit microbial growth on various surfaces and reduce wood consumption by insects, demonstrating high antimicrobial activity and durability in practical applications
Data Source
AI summary
Provided herein are fatty-ammonium salt/starch inclusion complexes comprising one or more of a variety of fatty amines. Such complexes can be combined with film-forming agents, such as poly(vinyl) alcohol (PVOH) and plasticizing agents. The inclusion complexes of the present invention can be utilized as antimicrobial agents, preventing microbial growth on organic and inorganic surfaces. In specific embodiments, inclusion complexes of the present invention are applied to vegetable or fruit surfaces in order to impede microbial growth. Inclusion complexes of the present invention can be applied to wood in order to impede microbial growth and insect consumption and to wound dressings.