Molecularly Imprinted Polymer for Selective Wine Component Extraction
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Solution Overview
Problem
Traditional liquid-liquid or solid phase extraction methods are inefficient in extracting specific organic molecules from wine, as they often remove a broad spectrum of organics and can alter the wine's characteristics, making it difficult to isolate a single component effectively.
Innovation Solution
Molecularly imprinted polymers (MIPs) are developed using hydrogen bonding and shape recognition interactions to selectively bind target molecules, such as 2-isobutyl-3-methoxypyrazine, allowing for the creation of specific binding cavities that can recognize and extract target molecules from wine, using polymers like polyurethane, poly(4-vinylphenol), or poly(methylmethacrylate), and their co-polymers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If traditional liquid-liquid or solid phase extraction methods are used, then a broad spectrum of organics can be removed, but the wine's characteristics are modified and single component extraction becomes difficult
Solution Approach 1:
The patent applies local quality by creating molecularly imprinted polymers with specific binding cavities tailored to recognize and bind only target molecules with particular chemical structures. The polymer matrix contains localized functional groups and cavity shapes that are complementary to specific analytes, enabling selective extraction of individual components without affecting other wine constituents. This allows precise single-component extraction while maintaining the wine's overall characteristics.
2Quantity of substance
If traditional extraction methods are used, then multiple organics can be removed, but the complexity of the wine matrix makes single component isolation difficult
Solution Approach 1:
The patent segments the complex wine matrix separation problem into individual component extractions using multiple molecularly imprinted polymers, each specialized for a specific target molecule. Instead of using a single complex extraction process to handle all organics, the system divides the task into multiple simple, selective binding events. Each MIP is designed with specific binding cavities for particular analytes, simplifying the overall extraction process while maintaining the ability to isolate multiple components.
3Manufacturing precision
If high selectivity is achieved through molecular imprinting, then target molecule recognition is improved, but the polymer synthesis and template removal processes become more complex
Solution Approach 1:
The patent applies preliminary action by incorporating the template molecule into the polymerization process before the polymer network forms. The template is present during monomer polymerization, allowing the formation of binding cavities with precise geometric and chemical complementarity to the target analyte. This preliminary templating step ensures high selectivity is built into the polymer structure itself, eliminating the need for complex post-synthesis modification procedures while maintaining rigorous binding specificity.
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 MIPs demonstrate high selectivity and effectiveness in binding and removing target molecules from wine, reducing the concentration of undesired components, thereby preserving the wine's characteristics and allowing for precise extraction and detection of contaminants.
Implementation Method 1
Imprinted polymers are prepared in the presence of the target molecule that interacts with the polymer network, in most applications, via hydrogen bonding interactions
Implementation Method 2
Imprints may also be created based on shape recognition of the template molecule. The polymer retains a cavity that exhibits the ability to recognize the template by both shape and chemical interaction
Implementation Method 3
After the combined polymer/template network is established, thus forming a MIP network solution, the material is precipitated to form a MIP
Data Source
AI summary
Shown herein are compositions of, and methods of use for, molecularly imprinted polymers useful for extracting and/or detecting target molecule compounds of wine.