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Updated: Mar 31, 2026

Combinatorial Synthesis of and High-throughput Protein Release from Polymer Film and Nanoparticle Libraries

Combinatorial Synthesis of and High-throughput Protein Release from Polymer Film and Nanoparticle Libraries

Published on: September 6, 2012

Instructable Nanoparticles Using Dynamic Combinatorial Chemistry.

Yang Han¹, Piotr Nowak¹, Mathieu Colomb-Delsuc¹

¹Centre for Systems Chemistry, Stratingh Institute, University of Groningen , Nijenborgh 4, 9747 AG Groningen, The Netherlands.

Langmuir : the ACS Journal of Surfaces and Colloids

|October 31, 2015

Summary

This summary is machine-generated.

We developed a DNA-templated method for precisely functionalizing gold nanoparticle surfaces. This approach uses reversible hydrazone chemistry for accurate placement of chemical groups, enabling controlled biomolecular interactions.

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High-throughput Synthesis of Carbohydrates and Functionalization of Polyanhydride Nanoparticles

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High-throughput Synthesis of Carbohydrates and Functionalization of Polyanhydride Nanoparticles

High-throughput Synthesis of Carbohydrates and Functionalization of Polyanhydride Nanoparticles

Published on: July 6, 2012

Area of Science:

Nanotechnology
Biochemistry
Materials Science

Background:

Precise control over surface chemistry is crucial for nanoparticle applications like biomacromolecule recognition and self-assembly.
Existing methods often lack the precision needed for complex surface functionalization.

Purpose of the Study:

To develop a method for directing the functionalization of gold nanoparticle surfaces with high precision.
To enable controlled placement of chemical groups for advanced nanoparticle applications.

Main Methods:

Utilized aldehyde-equipped gold nanoparticles as a base material.
Employed a DNA template to guide the precise placement of functional groups.
Leveraged the reversible hydrazone exchange reaction for thermodynamic control and error correction.
Developed a method to switch off the reaction by catalyst removal to preserve functionalization.

Main Results:

Successfully demonstrated DNA-templated functionalization of gold nanoparticle surfaces.
Achieved precise control over the relative placement of chemical groups.
The hydrazone exchange reaction provided an effective error-correction mechanism.
The functionalization process was stable and could be permanently preserved.

Conclusions:

The developed method offers a robust strategy for precise nanoparticle surface functionalization.
This technique is applicable to multivalent recognition and programmed self-assembly.
The use of reversible chemistry ensures high fidelity in surface modification.