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Published on: February 5, 2018
Synthesis and characterization of oriented glyco-capturing macroligand
Srinivas Chalagalla1, Yanyang Wang, Dale Ray
1Department of Chemistry, Cleveland State University, Cleveland, OH 44115, USA.
Chembiochem : a European Journal of Chemical Biology
|September 7, 2010
Summary
A novel boropolymer was developed for oriented glyco-capturing. This macroligand efficiently purifies and identifies carbohydrates and glycoconjugates for glycomics and sensing applications.
Area of Science:
- Polymer Chemistry
- Carbohydrate Chemistry
- Biomaterials Science
Background:
- Carbohydrate analysis is crucial for understanding biological processes.
- Developing efficient methods for carbohydrate purification and identification is essential for glycomics and glycoproteomics.
- Existing glyco-capturing techniques often lack specificity and orientation control.
Purpose of the Study:
- To synthesize an oriented glyco-capturing macroligand.
- To immobilize a boronic acid-containing polymer (boropolymer) onto a surface for specific carbohydrate binding.
- To enable efficient purification and identification of carbohydrates and glycoconjugates.
Main Methods:
- Synthesis of O-cyanate chain-end-functionalized boropolymer via arylamine-initiated cyanoxyl-mediated free-radical polymerization.
- Confirmation of chain-end O-cyanate using Carbon-13 Nuclear Magnetic Resonance ((13)C NMR) spectroscopy.
- Evaluation of carbohydrate-binding capacity using an alizarin red S assay.
- Confirmation of oriented immobilization and glyco-capturing capacity using Quartz Crystal Microbalance (QCM) and Atomic Force Microscopy (AFM).
Main Results:
- Successfully synthesized an O-cyanate chain-end-functionalized boropolymer.
- Confirmed the specific carbohydrate-binding capacity of the boropolymer.
- Demonstrated oriented and covalent immobilization of the boropolymer onto amine-modified surfaces.
- Validated the specific glyco-capturing capacity using QCM and AFM.
Conclusions:
- An oriented, covalently immobilized glyco-capturing macroligand was successfully developed.
- The synthesized ligand exhibits specific carbohydrate-binding and capturing capabilities.
- This approach offers a core strategy for efficient carbohydrate and glycoconjugate purification and identification in glycomics, glycoproteomics, and carbohydrate-sensing applications.
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