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Electro-Optic Meta Tweezers for Precise Manipulation and Analysis of Underwater Sub-100 nm Nanoplastics

Project description

Novel system for nanoplastic detection could revolutionise water monitoring

Nanoplastics are tiny plastic particles smaller than 1 000 nm that are a growing threat to the environment and human health. They are found everywhere from oceans to our food. Detecting the smallest nanoplastics, less than 100 nm, is hindered by technological limits. With the support of the Marie Skłodowska-Curie Actions programme, the NPLs-AcquaSENS project plans to develop an innovative system for nanoplastic detection. Using field-flow fractionation and electro-optic meta-sensors, it will enable rapid, non-destructive nanoplastic detection in water. A novel electro-optic meta tweezer will trap and control nanoplastics with unprecedented precision. Furthermore, surface-enhanced Raman scattering (SERS) will provide information as to their properties. A high-resolution SERS library will serve as a critical resource for nanoplastic identification and characterisation.

Objective

"Nanoplastics (NPLs) are microscopic plastic particles smaller than 1000 nm that pose a significant environmental and health threat. They are frequently released when larger plastic debris pieces decompose, and they can be found everywhere, from marine ecosystems to the food we eat. Detecting NPLs (< 100 nm) is challenging due to the limitations of analytical tools. The ""Nanoplastics (NPLs)-AcquaSENS"" Project seeks to address these challenges by developing an innovative online Field-Flow Fractionation (FFF) coupled with electro-optic meta-sensors for the rapid, non-destructive, and in situ detection of NPLs in aquatic environments. This project will harness the power of advanced numerical simulations, cutting-edge nanolithography, and state-of-the-art instrumentation techniques to create a novel electro-optic meta tweezer. This device will enable the controlled trapping and precise manipulation of NPLs, pushing the boundaries of current detection capabilities. A key component of the project is the measurement of Surface-Enhanced Raman Scattering (SERS) signals from electro-optically trapped NPLs, which will allow for a detailed analysis of the microscopic physics governing these particles in real-world water bodies. The project will overcome diffraction and diffusion limits in NPL detection and have the lowest LoD to date. Additionally, the project will develop a comprehensive, high-resolution SERS spectral library of commonly found plastic materials in drinking waters to provide a standardised reference tool for researchers and practitioners. This SERS library will serve as a critical resource for the identification and characterization of NPLs. Integrating this advanced technology into routine drinking water monitoring protocols has the potential to significantly enhance water quality regulatory frameworks, providing a powerful tool for safeguarding public health.

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Topic(s)

Funding Scheme

HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships

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Call for proposal

(opens in new window) HORIZON-MSCA-2024-PF-01

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Coordinator

TECHNISCHE UNIVERSITAET MUENCHEN
Net EU contribution
€ 202 125,12
Address
Arcisstrasse 21
80333 Muenchen
Germany
Region
Bayern Oberbayern München, Kreisfreie Stadt
Activity type
Higher or Secondary Education Establishments
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Total cost
No data

Partners (1)