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Preparation of Poly(pentafluorophenyl acrylate) Functionalized SiO2 Beads for Protein Purification
Published on: November 19, 2018
Selective protein separation using siliceous materials with a trimethoxysilane-containing glycopolymer
Hirokazu Seto1, Yutaro Ogata, Tatsuya Murakami
1Department of Chemical Engineering, Graduate School of Engineering, Kyushu University, 744 Motooka, Fukuoka 819-0395, Japan.
ACS Applied Materials & Interfaces
|December 14, 2011
Summary
A novel copolymer featuring mannose and trimethoxysilane was developed for sensor applications. This material effectively immobilizes on sensor surfaces, enabling specific lectin detection with high binding affinity.
Area of Science:
- Materials Science
- Biotechnology
- Analytical Chemistry
Background:
- Development of advanced materials for biosensing is crucial.
- Immobilization strategies are key for sensor stability and reusability.
- Carbohydrate-lectin interactions are important in biological recognition.
Purpose of the Study:
- To synthesize a copolymer with alpha-D-mannose and trimethoxysilane units.
- To immobilize this copolymer onto siliceous matrices for biosensing.
- To evaluate the lectin recognition capabilities of the immobilized copolymer.
Main Methods:
- Copolymer synthesis incorporating alpha-D-mannose and trimethoxysilane.
- Heat-induced immobilization of the copolymer onto sensor cells and membranes.
- Quartz Crystal Microbalance (QCM) measurements for binding studies.
- Affinity membrane adsorption experiments for lectin capture.
Main Results:
- Successful immobilization of the poly(Man-r-TMS) copolymer on siliceous matrices.
- Specific and high-affinity binding of concanavalin A (a mannose-binding lectin) to the immobilized copolymer.
- Enhanced adsorption of concanavalin A onto modified membranes compared to unmodified ones.
- Demonstrated recoverability of bound concanavalin A using a mannose derivative.
Conclusions:
- The synthesized poly(Man-r-TMS) copolymer is suitable for immobilizing onto sensor surfaces.
- The material exhibits specific recognition and binding of mannose-binding lectins.
- This approach offers a promising platform for developing reusable lectin-based biosensors.
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