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OaAEP1-Mediated Enzymatic Synthesis and Immobilization of Polymerized Protein for Single-Molecule Force Spectroscopy
Published on: February 5, 2020
Superparamagnetic lysozyme surface-imprinted polymer prepared by atom transfer radical polymerization and its
Qing-Qing Gai1, Feng Qu, Zong-Jian Liu
1School of Life Science, Beijing Institute of Technology, 5 South Zhongguancun Street, Beijing 100081, China.
Journal of Chromatography. A
|June 29, 2010
Summary
Researchers developed a magnetic imprinted polymer for selective lysozyme separation. This technique efficiently isolates lysozyme from complex mixtures using atom transfer radical polymerization (ATRP) and an aqueous two-phase system.
Area of Science:
- Materials Science
- Biochemistry
- Analytical Chemistry
Background:
- Molecular imprinting offers high selectivity for target molecule separation.
- Developing efficient methods for protein separation is crucial in various biochemical applications.
Purpose of the Study:
- To prepare a superparamagnetic lysozyme surface-imprinted polymer using atom transfer radical polymerization (ATRP).
- To evaluate the separation and purification capabilities of the imprinted material for lysozyme.
Main Methods:
- Fabrication of superparamagnetic lysozyme surface-imprinted polymer via ATRP in aqueous media.
- Characterization of the imprinted polymer properties.
- Separation of lysozyme from protein mixtures and egg white samples using magnetic separation.
- Elution and enrichment of lysozyme using a PEG/sulphate aqueous two-phase system.
Main Results:
- The superparamagnetic imprinted polymer demonstrated high selectivity and recognition for lysozyme.
- Efficient separation of lysozyme from standard proteins and real egg white samples was achieved using magnetic fields.
- The aqueous two-phase system facilitated lysozyme desorption, extraction, and enrichment.
Conclusions:
- ATRP is a viable and promising method for preparing protein molecularly imprinted polymers.
- The developed magnetic imprinted material shows potential for rapid and direct lysozyme separation.
- The combination of magnetic separation and aqueous two-phase systems offers an effective strategy for protein purification.
