Inorganic Coating on Protein Templates via Anionic Polymer Interface
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Solution Overview
Problem
Current biomaterials face challenges in supporting complex tissue growth both in vitro and in vivo, particularly due to limitations in tuning mechanical and chemical properties to effectively promote cell proliferation and differentiation.
Innovation Solution
A method is developed to form an aligned inorganic coating on a protein template by creating an anionic polymer interface and contacting it with an inorganic material for mineralization, using proteins like silk and incorporating therapeutic agents, which enhances the structural and functional properties of biomaterials for tissue engineering applications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If chemical factors are incorporated into biomaterials during processing to tune mechanical or chemical properties, then the ability to control tissue regeneration is improved, but the complexity of the material composition and processing increases
Solution Approach 1:
The patent applies preliminary action by pre-forming protein templates with specific structural characteristics (alignment, porosity, surface area) before introducing inorganic materials. The templates are prepared in advance with controlled morphology and mechanical properties, then subsequently mineralized with hydroxyapatite or other inorganic materials to achieve the desired composite biomaterial properties for tissue regeneration
Solution Approach 2:
The patent creates composite biomaterials by combining organic protein templates (such as silk fibroin, collagen, or gelatin) with inorganic materials (hydroxyapatite, tricalcium phosphate, or silica). This composite approach allows the organic component to provide structural framework and biocompatibility while the inorganic component enhances mechanical strength and osteoconductivity, thereby controlling tissue regeneration without requiring complex chemical modifications
2Reliability
If mechanical properties of biomaterial scaffolds are tuned by altering constituents, then the capacity to support complex tissue growth is improved, but the difficulty in manufacturing and processing increases
Solution Approach 1:
The patent applies parameter changes by systematically varying physical parameters of the protein templates including fiber diameter, pore size, porosity, and alignment degree. By controlling these physical parameters during template formation (through techniques like electrospinning, freeze-drying, or 3D printing), the mechanical properties and tissue support capacity are tuned without requiring complex chemical synthesis or multi-step processing procedures
3Strength
If inorganic coatings are formed on protein templates through mineralization, then the structural and functional properties of biomaterials are enhanced, but the time required for coating formation increases
Solution Approach 1:
The patent applies preliminary action by pre-preparing protein templates with optimized surface characteristics (surface area, porosity, charge distribution) that serve as ideal substrates for rapid inorganic mineralization. The templates are pre-formed with controlled morphology and surface properties that facilitate quick and uniform coating deposition, reducing the overall processing time while maintaining high structural quality
Solution Approach 2:
The patent uses the protein template itself as an intermediary mediator between the synthesis process and the final inorganic coating. The template's functional groups (carboxyl, amino, hydroxyl groups) act as nucleation sites that accelerate inorganic crystal formation. This intermediary role enables rapid mineralization kinetics while the template simultaneously provides structural guidance for controlled coating morphology
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
This approach allows for controlled tissue growth and mechanical properties, enabling the creation of scaffolds that match specific tissue targets, improving the performance and stability of biomaterials for tissue engineering and biomedical applications.
Implementation Method 1
contacting the interface with an inorganic material for a sufficient period of time to allow mineralization of the inorganic material
Implementation Method 2
forming an anionic polymer interface on a protein template
Data Source
AI summary
The present invention is directed to a method for forming an inorganic coating on a protein template. The method comprises contacting the template with an anionic polymer interface followed by an inorganic material for a sufficient period of time to allow mineralization of the inorganic material thus forming an inorganic coating on the template. Preferably, the coating is aligned.