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Related Experiment Video

Updated: Jul 3, 2026

Utilization of Plasmonic and Photonic Crystal Nanostructures for Enhanced Micro- and Nanoparticle Manipulation

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Published on: September 27, 2011

Development of a Photothermal Regenerative Plasmonic Platform as a Light-Controlled Interface.

Alexa Guglielmelli¹, Rosalinda Mazzei², Giovanna Palermo¹

¹Nanoscience Laboratory for Human Technologies (NLHT) Lab, Department of Physics, Institute of Nanotechnology (CNR-Nanotec), University of Calabria, 87036 Rende, Italy.

ACS Applied Materials & Interfaces

|October 18, 2024

Summary

This study presents a novel gold nanoparticle-embedded film for efficient photothermal conversion and pesticide degradation. The sustainable nanocomposite platform offers multifunctional applications and can be regenerated for repeated use.

Keywords:

biofunctionalization biosensors gold nanoparticles organophosphate degradation photothermal conversion plasmonic nanocomposites polydimethylsiloxane

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Published on: May 9, 2025

Area of Science:

Materials Science
Nanotechnology
Environmental Science

Background:

Developing advanced materials for environmental remediation is crucial.
Photothermal conversion offers a promising route for targeted applications.
Enzyme immobilization within polymer matrices enables multifunctional platforms.

Purpose of the Study:

To develop a novel plasmonic nanocomposite platform for efficient photothermal conversion.
To create a biofunctionalized material for organophosphate pesticide degradation.
To demonstrate a sustainable and regenerable platform for multifunctional applications.

Main Methods:

In situ synthesis of gold nanoparticles (AuNPs) within a polydimethylsiloxane (PDMS) film.
Utilizing ethyl acetate swelling for uniform AuNP distribution without additional reagents.
Biofunctionalization of the nanocomposite with phosphotriesterase enzyme.

Main Results:

The nanocomposite film demonstrated exceptional photothermal conversion capabilities, rapidly reaching high temperatures upon light absorption.
The phosphotriesterase-functionalized platform effectively degraded organophosphate pesticides.
The platform exhibited regenerability, indicating suitability for repeated applications.

Conclusions:

A novel, sustainable plasmonic nanocomposite platform was successfully fabricated.
The platform shows significant potential for multifunctional applications in environmental remediation and beyond.
The in situ synthesis and biofunctionalization approach offers a versatile strategy for advanced material development.