Related Experiment Video
Updated: Jun 3, 2026

09:35
Attaching Biological Probes to Silica Optical Biosensors Using Silane Coupling Agents
Published on: May 1, 2012
Surface modification and biomolecule immobilization on polymer spheres for biosensing applications
Chris R Taitt1, Lisa C Shriver-Lake, George P Anderson
1Center for Bio/Molecular Science and Engineering, U.S. Naval Research Laboratory, Washington, DC, USA.
Methods in Molecular Biology (Clifton, N.J.)
|March 23, 2011
Summary
This study provides protocols for modifying carboxyl- and amine-coated polymer microspheres and nanospheres with proteins and peptides. These surface modifications are essential for advanced biosensing applications, including automated sample processing and multiplexed analyses.
Area of Science:
- Bioconjugation Chemistry
- Nanotechnology
- Biosensors
Background:
- Microspheres and nanospheres are crucial in biosensing for applications like automated sample processing, flow cytometry, and multiplexed analyses.
- Effective biosensing relies on surface modification of these particles with specific biomolecules.
Purpose of the Study:
- To provide detailed protocols for modifying carboxyl- and amine-coated polymer spheres.
- To enable the use of these modified spheres in various biosensing applications.
Main Methods:
- Surface modification of polymer spheres using carboxyl and amine coatings.
- Bioconjugation of proteins and peptides onto the sphere surfaces.
Main Results:
- Established protocols for successful protein and peptide conjugation.
- Demonstrated applicability of modified spheres in biosensing contexts.
Conclusions:
- The presented protocols facilitate the preparation of functionalized microspheres and nanospheres.
- These modified particles are suitable for a wide range of advanced biosensing applications.

