Recombinant Silk Coating for Textile Moisture and Microbial Control
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Solution Overview
Problem
There is a need for products such as threads, fibers, cloth, and other textiles that can be coated or combined with recombinant silks to harness their unique mechanical properties and environmental adaptability, which has not been adequately met by existing technologies.
Innovation Solution
The development of methods to coat or embed recombinant silk-based protein fragments onto various materials, including textiles, using aqueous solutions or emulsions, to create silk-coated products with enhanced properties like antimicrobial, antiodor, and moisture management capabilities, utilizing low, medium, and high molecular weight recombinant silk fragments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If natural silk is used to coat textiles, then the textile gains silk properties, but the cost and complexity of production increase significantly
Solution Approach 1:
The patent creates recombinant silk proteins that copy the essential functional properties of natural silk through genetic engineering. Instead of using actual natural silk, the invention synthesizes silk-like proteins in microbial systems, producing a functional copy that maintains the desired textile properties while eliminating the complexity of natural silk production
Solution Approach 2:
The patent introduces recombinant silk proteins as an intermediary substance between the textile substrate and the desired silk functionality. These proteins serve as a mediator that provides silk-like properties (antimicrobial, moisture management, hydrophobicity) without requiring direct use of natural silk, thereby simplifying the manufacturing process
2Productivity
If recombinant silk proteins are produced through heterologous expression, then production scalability improves, but protein stability and functionality may be compromised
Solution Approach 1:
The patent optimizes multiple parameters in the heterologous expression system including pH, temperature, protein concentration, and molecular weight distribution to maintain protein stability and functionality. The invention specifically controls the polydispersity index and uses pH-adjusted aqueous solutions to ensure the recombinant proteins fold correctly and maintain their functional properties
Solution Approach 2:
The patent applies different molecular weight fractions of recombinant silk proteins to different applications based on their specific functional requirements. The invention separates and utilizes low, medium, and high molecular weight fractions with distinct properties, allowing optimization of protein functionality for specific textile coating applications while maintaining overall production scalability
3Reliability
If textile materials are coated with silk proteins, then moisture management and antimicrobial properties improve, but the coating process complexity increases
Solution Approach 1:
The patent enables the textile coating process to be self-regulating through pH-adjusted aqueous solutions that automatically optimize protein deposition. The invention uses the natural properties of the recombinant silk proteins and pH adjustment to control coating uniformity and adhesion, eliminating the need for complex coating equipment or multiple processing steps
Solution Approach 2:
The patent develops a universal coating composition based on recombinant silk proteins that simultaneously provides multiple functions including moisture management, antimicrobial protection, and hydrophobicity. The invention uses a single pH-adjusted aqueous solution formulation that delivers all these properties together, eliminating the need for multiple separate coating processes
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 resulting silk-coated materials exhibit improved hydrophobic or hydrophilic properties, enhanced moisture management, and reduced microbial growth, making them suitable for diverse applications including apparel and medical materials.
Implementation Method 1
surface treated with a solution of recombinant silk-based protein fragments so as to result in a silk coating on the product
Implementation Method 2
coating or embed recombinant silk-based protein fragments onto various materials, including textiles, using aqueous solutions or emulsions
Data Source
AI summary
Recombinant silk coated and/or infused materials and articles, and methods of preparing the same are disclosed herein. In some embodiments, articles include textiles, fabrics, consumer products, leather, and other materials that are coated with recombinant silk-based protein fragments, such as recombinant spider or silkworm silk-based protein fragments, having low, medium, and/or high molecular weight in various ratios. In some embodiments, articles and materials include dermal fillers and cosmetic materials such as moisturizers that include recombinant silk-based protein fragments, such as recombinant spider or silkworm silk-based protein fragments, having low, medium, and/or high molecular weight in various ratios.