Ordered Polymer Chromatography Medium for Faster Peak Elution
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Solution Overview
Problem
Conventional gel filtration chromatography methods face challenges in controlling the internal pore structure of polysaccharide gel beads, leading to poor pressure resistance and high costs, which affect separation efficiency and speed, particularly for bioactive substances prone to denaturation under stringent conditions.
Innovation Solution
Employing polymer microparticles with rigid, non-spherical nanoparticles that form a substantially ordered structure through crosslinking, providing controlled pore arrangements and improved mechanical properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If polysaccharide gel beads are used as stationary phase, then separation based on molecular size can be achieved, but the internal pore structure cannot be controlled and pressure resistance is poor
Solution Approach 1:
The patent changes the fundamental parameters of the stationary phase by transitioning from soft polysaccharide gel beads to rigid polymer microparticles with controlled pore structures. This parameter change enables both controlled internal pore architecture and improved mechanical strength, resolving the contradiction between pore structure control and pressure resistance.
Solution Approach 2:
The patent employs composite polymer microparticles that combine rigid structural components with controlled pore formations. These composite materials integrate the benefits of structural rigidity for pressure resistance while maintaining controlled pore architectures for effective molecular size-based separation.
2Productivity
If conventional polysaccharide gel beads are used, then separation can be performed, but separation speed is slow and efficiency is limited
Solution Approach 1:
By changing from conventional gel bead parameters to engineered polymer microparticle parameters with controlled pore sizes and distributions, the patent achieves faster separation speeds while maintaining uniform pore structures. The rigid structure and controlled porosity enable improved mass transfer and reduced diffusion paths.
3Ease of manufacture
If agarose microspheres are used, then chromatography can be performed, but raw material cost is high for large-scale production
Solution Approach 1:
The patent replaces expensive natural agarose with more cost-effective synthetic or semi-synthetic polymer materials that can be produced at lower costs for large-scale applications. These alternative materials maintain the necessary chromatographic performance while reducing raw material expenses.
Solution Approach 2:
The patent develops composite polymer materials that combine cost-effective base materials with functional components to achieve reliable separation performance. These composite materials provide both economic advantages for large-scale production and maintained chromatographic reliability.
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
Enhances separation efficiency, reduces peak elution times, and improves peak symmetry and column efficiency by utilizing polymer microparticles with ordered internal structures.
Implementation Method 1
polymer microparticles with rigid, non-spherical nanoparticles that form a substantially ordered structure through crosslinking
Implementation Method 2
mainly utilizes the molecular sieve action of the porous gel structure to produce a liquid chromatography method that primarily separates based on the difference in molecular size
Data Source
AI summary
The present invention relates to a chromatography medium and a chromatography apparatus comprising the same. The chromatography medium is at least partially composed of polymer materials formed by crosslinking at least partially cross-linkable oligomer materials, including rigid nanoparticles, and the rigid nanoparticles at least partially form a substantially ordered structure. According to the chromatography medium and chromatography apparatus disclosed in the present application, the polymer microparticles stack can be used as the stationary phase where, at least sections of the microparticles have internal structural ordering, including molecular orientation and pore structure ordering, or an integral structure can be used as the stationary phase where, the rigid nanoparticles at least partially form a substantially ordered structure, which not only may effectively increase the separation speed and shorten the peak elution times, but improve the peak symmetry, efficiently the full width at half maximum and improve the column efficiency.