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Plasmon-empowered Closed-loop Theranostics for Chronic Wound Biofilms

Project description

Smart plasmonic dressings: sensing and treating biofilms

Chronic wounds affect millions globally, leading to amputations and high healthcare costs. A major obstacle is bacterial biofilms - communities of bacteria that resist standard treatments and stall healing. Supported by the Marie Skłodowska-Curie Actions programme, the PROMPT project aims to transform care by creating an ‘all-optical’ dressing that combines diagnosis and treatment in a single device. Incorporating plasmonic nanoparticles, the dressing detects specific bacteria using light and then converts that same light into targeted heat to eliminate biofilms. The project will focus on manufacturing these dressings and establishing feedback-guided therapy. Ultimately, PROMPT will enable molecularly informed real-time management, laying the groundwork for next-generation wearable devices capable of treating a range of medical conditions beyond wound care.

Objective

Chronic wounds affect millions of people worldwide, consume 1–3% of healthcare spendings in developed countries, and cause amputations and death. More than 60% of these wounds contain bacterial biofilms, which are treatment-resistant bacterial communities that impede healing and increase the incidence of medical complications. Current biofilm treatments are ineffective due to delayed treatment, lack of specificity toward the infecting biofilm, and poor performance against biofilm defenses. This project addresses these challenges by developing an all-optical wound dressing that integrates molecular diagnostics and therapy (theranostics) in a closed-loop format, enabling treatment guided by real-time diagnostic feedback. These dressings incorporate plasmonic nanoparticles that serve dual roles: confining light for molecular sensing via surface-enhanced Raman spectroscopy (SERS) and converting light into heat (thermoplasmonics) for therapy. The research will pursue three aims: (1) establish a nanomanufacturing strategy for dressing fabrication; (2) design a multistep therapeutic approach based on controlled heating via integrated temperature feedback; and (3) demonstrate closed-loop therapy guided by diagnostic feedback, benchmarking outcomes against unguided treatments. Together, these aims will validate the feasibility of molecularly informed, closed-loop biofilm management. In the long term, this work will lay the foundation for next-generation wearable and implantable theranostic devices, extending beyond wound care to enable dynamic, molecularly-informed management of various medical conditions.
The project combines the host lab’s expertise in thermoplasmonics with the candidate’s complementary background in SERS and nanoengineering. The fellowship will support the candidate’s career development by advancing skills in thermoplasmonics, strengthening interdisciplinary and clinical collaborations, and enhancing leadership, management, and networking capacity.

Fields of science (EuroSciVoc)

Keywords

Programme(s)

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-2025-PF

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Coordinator

EIDGENOESSISCHE TECHNISCHE HOCHSCHULE ZUERICH
Net EU contribution
€ 307 958,88
Address
Raemistrasse 101
8092 Zuerich
Switzerland
Region
Schweiz/Suisse/Svizzera Zürich Zürich
Activity type
Higher or Secondary Education Establishments
Links
Total cost
No data