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Job offers Nano Bio Photonics Institut Fresnel Marseille PhD and Postdoc
We are seeking to recruit talented, enthusiastic young scientists who are highly motivated to develop their research career in the areas of nanophotonics and/or biophotonics.Three job offers are available, see the details below: PhD fellowship : Optical...
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Single step protein immunoassay in solution phase
Enzyme-linked immunosorbent assay (ELISA) is the workhorse of current immunodetection. However, ELISA demands multiple steps of sample incubation and washing cycles, which makes the whole process time-consuming and labor-intensive. Our new Analyst publication...
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Recent publication: nanoantenna FCS to probe biomembranes
Understanding the nanoscale organization of the cell membrane is a topic of high current interest. However, conventional optical microscopes fail to provide the combination of high spatial and temporal resolutions needed. We have recently introduced optical...
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Surface passivation of zero-mode waveguide nanostructures: benchmarking protocols and fluorescent labels
Zero-mode waveguide nanoapertures receive a large interest owing to their ability to confine light at the nanoscale and improve the detection of single fluorescent molecules. However, unwanted adhesion of the targeted molecules onto the metal surface...
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Single Photon Source from a Nanoantenna-Trapped Single Quantum Dot
Plasmonics can be used to enhance the emission properties of single quantum nano-objects and use them as bright ultrafast single photon sources. However, plasmonic trapping single quantum objects has remained highly challenging so far. In a recent Nano...
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Purcell radiative rate enhancement of label-free proteins with ultraviolet aluminum plasmonics
Ultraviolet plasmonics has attracted recently a growing attention owing to the possibility to take advantage of increased light-matter interaction in the UV range. However, the core question of demonstrating the capacity of UV plasmonic structures to...
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Turning Plasmonic Antennas on the Right Side: Template Stripping Maximizes Single Molecule Fluorescence Enhancement
Plasmonics is looking for nanogap antennas featuring narrow gap sizes, full accessibility to the plasmonic hotspot and high fabrication throughput. However, the current fabrication methods remain limited to gaps typically around 15-20 nm. Importantly,...
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4th Summer School On Plasmonics SSOP4, Sept. 2017, Porquerolles
Submissions and registrations for the 4th Summer School On Plasmonics (SSOP4) are now open. The school will be held on September 3-8, 2017, in Porquerolles, one of the most beautiful island of the Mediterranean sea. Please find more information at http:www.fresnel.fr/ssop4/...
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Mental Flow, Focus and the Zone for Scientists
Whenever you are writing a paper, preparing a presentation or performing a delicate experiment, you are facing a performance challenge: how to get the best output with limited resources of time, energy or grant money. This is when you need to get into...
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Ultraviolet Resonant Nanogap Antennas with Rhodium Nanocube Dimers for Enhancing Protein Intrinsic Autofluorescence
Plasmonic optical nanoantennas have revolutionized the control of light-matter interactions at the nanoscale. However, until now, their exploration has been largely restricted to the visible and near-infrared regions, overlooking the immense potential...
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Open positions PhD & Postdoc fellowships - CSC funding - Chinese nationals only
Two positions are currently open with funding from China Scholarship Council CSC and Groupe Ecoles Centrales GEC-CSC: - One for a PhD: "Optically-controlled thermal nanotweezers to manipulate single nano-objects" - One for a postdoc: "Deep UV optical...
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Welcoming Hamza Khelidj: Driving Innovations in Nanofabrication
We're thrilled to introduce the latest addition to our research family, Hamza Khelidj! Hamza joins our team with a passion for nanoscience and a keen interest in the development of zero-mode waveguide nanoapertures. Hamza's expertise in nanofabrication...
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Achieving High Temporal Resolution in Single-Molecule Fluorescence Techniques using Plasmonic Nanoantennas
Achieving sub-millisecond temporal resolution to monitor fast molecular dynamics has been a persistent challenge in single-molecule fluorescence spectroscopy. The fluorescence brightness, or the number of photons detected per second and per molecule,...
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Zero-mode waveguides can be made better with optimized rectangle shapes
Zero-mode waveguide metal nanoapertures are receiving a large interest owing to their ability to confine light at the nanoscale and enhance the fluorescence emission from single molecules. However, the interest for more advanced geometries beyond the...
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Introducing new PhD applicant: Xinyu Fang
We are pleased to announce the arrival of Xinyu Fang, who will be joining us as a PhD student for the next four years with CSC-Centrale funding. She will be working with us on a research project on ultraviolet autofluorescence imaging. We would like to...
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Open PhD position and Postdoctoral position - CSC funding - Chinese nationals only
We currently have two open positions with funding from China Scholarship Council CSC and Groupe Ecoles Centrales GEC-CSC: - One for a PhD: "UV autofluorescence microscopy" - One for a postdoc: "Fiber-integrated plasmonic nanotweezers to manipulate single...
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Stéphanie and Jérome awarded with Instrumentation prize 2017
The Instrumentation Prize from the Chemical Physics / Physical Chemistry division of the French Chemical and Physical Societies acknowledges the development of a new technology for chemical detection. This year, the prize has been awarded to Stéphanie...
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Effective summary: seeing the intrinsic emission from a single natural protein with ultraviolet optical antennas
One of the ultimate goals of molecular biology is to watch how single proteins work in their native state. The current mainstream approach of single molecule fluorescence relies on introducing external fluorescent markers which can lead to severe issues...
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Metasurfaces to shape near-field dipole-dipole energy transfer
In a recent breakthrough, the journal Communication Physics published a study titled "Experimental evidence of Förster energy transfer enhancement in the near field through engineered metamaterial surface waves." This research delves into the intriguing...
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Introducing Our New Intern: Julia Osmolska
We are pleased to welcome Julia Osmolska to our lab for the next two months as an intern. Julia will be working on a fascinating research project on gold nanoclusters and the use of plasmonics to enhance their photoluminescence. Julia comes to us from...
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Single-molecule Detection of Ultrafast Biomolecular Dynamics with Nanophotonics
Proteins can feature ultrafast structural dynamics in the nanosecond timescale which are very challenging to measure using conventional techniques such as single-molecule Förster resonance energy transfer (smFRET). So far, the limited fluorescence brightness...
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Introducing Our Newest PhD Student: Malavika Kayyil Veedu
We are thrilled to announce the arrival of our newest PhD student, Malavika Kayyil Veedu, who will be joining us for the next three years. She will be working with us on a cutting-edge research project on plasmonics-enhanced fluorescence and nanopores....
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Unveiling the photoluminescence dynamics of gold nanoclusters with FCS and FLCS
Gold nanoclusters (AuNCs) have garnered significant attention for their unique photoluminescent properties, holding large promise across a spectrum of applications. However, our understanding of their rapid photodynamics has remained elusive due to limitations...
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Single-Molecule Sensors and NanoSystems International Conference S3IC - Paris 2024
Jerome will be co-chairman of the fourth edition of The Single-Molecule Sensors and NanoSystems International Conference which will be held in the historical center of Paris on October 28-30, 2024 at Chimie Paristech (11 rue Pierre et Marie Curie, 75005...
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Fast interaction dynamics of G-quadruplex and RGG-rich peptides unveiled in zero-mode waveguides
G-quadruplex structures of DNA are promising target sites for anticancer therapy. However, the interaction of G-quadruplex with proteins remains poorly understood, notably the association and dissociation kinetics. In a recent Nucleic Acid Research publication...