Publications de René M. Rossi

Polydimethylsiloxane based soft polymer optical fibers: From the processing-property relationship to pressure sensing applications

Fabien Sorin, Khushdeep Sharma, René M. Rossi

Polydimethylsiloxane (PDMS) based soft polymer optical fibers (POFs) have recently demonstrated their intriguing potential for different sensing applications like strain or temperature sensing. Recent studies have elaborated on the sensing capability of PD ...

2023

On the durability of surgical masks after simulated handling and wear

Véronique Michaud, Vincent Marc Varanges, Jian Wang, Baris Çaglar, Yann Albert Gérard Lebaupin, René M. Rossi

After the spread of COVID-19, surgical masks became highly recommended to the public. They tend to be handled and used multiple times, which may impact their performance. To evaluate this risk, surgical masks of Type IIR were submitted to four simulated tr ...

Nature Research2022

Reversible and Broad-Range Oxygen Sensing Based on Purely Organic Long-Lived Photoemitters

Esther Amstad, René M. Rossi, Efe Armagan

The detection of oxygen (O-2) by optical sensors is of growing importance, for example, in biology, life science, environmental science, and aerodynamics, where the composition of gases is crucial for many applications. Purely organic optical O-2 sensors a ...

2021

Polyamide Nanofiber-Based Air Filters for Transparent Face Masks

Thierry Pelet, René M. Rossi

Transparent face masks are the ultimate solution for improving communication during pandemic times while at the same time slowing the spread of pathogens. Here, we demonstrate an easily scalable process consisting of directly electrospinning polyamide nano ...

AMER CHEMICAL SOC2021

Reversible Oxygen Sensing Based on Multi-Emission Fluorescence Quenching

Esther Amstad, René M. Rossi, Efe Armagan, Claudio Toncelli, Akin Gürsoy

Oxygen is ubiquitous in nature and it plays a key role in several biological processes, such as cellular respiration and food deterioration, to name a few. Currently, reversible and non-destructive oxygen sensing is usually performed with sensors produced ...

2020

Facile Fabrication of Microfluidic Chips for 3D Hydrodynamic Focusing and Wet Spinning of Polymeric Fibers

Fabien Sorin, René M. Rossi, Efe Armagan, Claudio Toncelli, Akin Gürsoy

Microfluidic wet spinning has gained increasing interest in recent years as an alternative to conventional wet spinning by offering higher control in fiber morphology and a gateway for the development of multi-material fibers. Conventionally, microfluidic ...

2020

Polyphenols as Morphogenetic Agents for the Controlled Synthesis of Mesoporous Silica Nanoparticles

Fabien Sorin, Jialuo Luo, René M. Rossi, Alina Osypova

Non-surfactant-induced synthesis of mesoporous silica nanoparticles (MSNPs) is gaining increasing interest because of their low toxicity and simple purification compared to conventional surfactant-based methods. Tannic acid (TA), considered as a glucose-de ...

AMER CHEMICAL SOC2019

Complete inclusion of bioactive molecules and particles in polydimethylsiloxane: a straightforward process under mild conditions

Erik Mailand, Alice Cont, Elaheh Zare Eelanjegh, René M. Rossi

By applying a slow curing process, we show that biomolecules can be incorporated via a simple process as liquid stable phases inside a polydimethylsiloxane (PDMS) matrix. The process is carried out under mild conditions with regards to temperature, pH and ...

Springer Nature2019

Superelastic Multimaterial Electronic and Photonic Fibers and Devices via Thermal Drawing

Fabien Sorin, Wei Yan, Alexis Gérald Page, Yunpeng Qu, Dang Tùng Nguyen, Nicola Bartolomei, Valentine Dominique Favrod, René M. Rossi

Wiley2018

Stretchable Optical and Electronic Fibers via Thermal Drawing

Fabien Sorin, Wei Yan, Alexis Gérald Page, Yunpeng Qu, Dang Tùng Nguyen, Valentine Dominique Favrod, Nicola Bartolomei, René M. Rossi

IEEE2018