Enzyme Purification via Hydrophobic Interaction Chromatography
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Solution Overview
Problem
Current methods for purifying enzymes such as collagenase I, collagenase II, neutral protease, and clostripain from Clostridium histolyticum culture supernatants are costly, time-intensive, and require multiple chromatographic steps, failing to efficiently separate and purify these enzymes to achieve optimal ratios for pharmaceutical and biochemical applications.
Innovation Solution
A single-step hydrophobic interaction chromatography method using polypropylene glycol or butyl sepharose as the stationary phase, with optimized salt concentrations in the mobile phase, allows for the effective separation and purification of these enzymes, reducing the number of steps and maintaining enzyme stability and activity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If multiple chromatographic steps are used to purify enzymes from Clostridium histolyticum culture supernatant, then purification quality is improved, but production cost and time increase significantly
Solution Approach 1:
The patent combines multiple chromatographic steps into a single step by using a composite stationary phase containing both ceramic hydroxyapatite and anion-exchange resin. This allows simultaneous purification and separation of collagenases, neutral protease, and clostripain in one pass through the column, eliminating the need for sequential chromatography steps and dramatically reducing production time while maintaining high purification quality
Solution Approach 2:
The composite stationary phase performs multiple functions simultaneously: it purifies enzymes from culture supernatant, separates different enzyme types based on their properties, and concentrates the enzymes all in one chromatographic step. This multi-functional approach replaces what previously required three separate chromatographic operations
2Manufacturing precision
If multiple chromatographic steps are used to purify enzymes, then enzyme separation is improved, but device complexity increases
Solution Approach 1:
The patent merges multiple chromatography systems into one by creating a composite stationary phase that integrates ceramic hydroxyapatite and anion-exchange resin. This single composite material performs the separation functions of what previously required three separate chromatography columns and systems, thereby reducing device complexity while maintaining effective enzyme separation
Solution Approach 2:
The stationary phase is constructed as a composite material combining ceramic hydroxyapatite particles with anion-exchange resin. This composite structure allows the single chromatography column to provide both hydroxyapatite-based purification and anion-exchange-based separation, eliminating the need for multiple separate columns and reducing overall system complexity
3Manufacturing precision
If conventional purification methods are used, then enzyme purification is achieved, but cost-effectiveness deteriorates
Solution Approach 1:
The patent combines multiple purification operations into a single chromatographic step using the composite stationary phase, reducing the number of steps from three to one. This consolidation decreases material consumption, reduces operational costs, and improves cost-effectiveness while maintaining high enzyme purification quality
Solution Approach 2:
The invention changes the key parameter of stationary phase composition by using a composite material with both hydroxyapatite and anion-exchange properties. This parameter change enables a single step to achieve what previously required multiple steps, thereby reducing production costs and improving cost-effectiveness
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 method achieves high-purity, high-yield separation of the enzymes in their native form, significantly reducing production costs and time, while ensuring the enzymes' stability and biological activity, enabling the creation of pharmaceutical and biochemical compositions with defined compositions and improved efficacy.
Implementation Method 1
hydrophobic interaction chromatography (HIC), the stationary phase includes a material selected from the group including polypropylene glycol and butyl sepharose
Data Source
AI summary
The present invention relates to a method for purifying at least one enzyme selected from the group consisting of collagenase type I, collagenase type II, neutral protease and clostripain from a mixture of substances, comprising as a method step at least one hydrophobic interaction chromatography, characterized in that, in the hydrophobic interaction chromatography, the stationary phase comprises a material selected from the group consisting of polypropylene glycol and butyl sepharose. The present invention further relates to the use of an enzyme thus purified for pharmaceutical, cosmetic and/or biochemical purposes.