Publications related to Spider silk

Flexible Silk-Based Graphene Bioelectronics For Wearable Multimodal Physiological Monitoring

We introduce a skin-inspired epidermal bioelectronic patch (EBP) with unprecedented integration of graphene on silk with a facile and cost-effective fabrication process, excluding complex ink formulation. We advance the state-of-the-art by directly screen- ...

IEEE2023

Investigations on Caesium Dispersion and Molybdenum Coating on SPIDER Components

Michele Fadone

SPIDER is the 100 keV full-size Negative Ion Source prototype of the ITER Neutral Beam Injector, operating at Consorzio RFX in Padova, Italy. The largest Negative Ion Source in the world, SPIDER generates an RF driven plasma from which Deuterium or Hydroge ...

2023

A model for the consolidation of hybrid textiles considering air entrapment, dissolution and diffusion

Véronique Michaud, Vincent Werlen, Christian Rytka

A new model is proposed for the consolidation of hybrid textiles, in which air entrapment and dissolution are considered. One of the key parameters is tow permeability, which is described by the analytical model of Gebart and validated at very high fibre v ...

ELSEVIER SCI LTD2023

Thermally Drawn Elastomer Nanocomposites for Soft Mechanical Sensors

Fabien Sorin, Stella Andréa Françoise Laperrousaz, Yunpeng Qu, Andreas Leber, Chaoqun Dong, Inès Richard

Stretchable and conductive nanocomposites are emerging as important constituents of soft mechanical sensors for health monitoring, human-machine interactions, and soft robotics. However, tuning the materials' properties and sensor structures to the targete ...

WILEY2023

Nanopore Generation in Biodegradable Silk/Magnetic Nanoparticle Membranes by an External Magnetic Field for Implantable Drug Delivery

Jürgen Brugger, Giovanni Boero, Xiao Sheng Zhang, Ya Wang

Implantable devices for localized and controlled drug release are important, e.g., for therapies of cancer and chronic pain. However, most of the existing active implants are limited by the usage of nonbiodegradable materials; thus, surgery is needed to ex ...

2022

Silk granular hydrogels self-reinforced with regenerated silk fibroin fibers

Dominique Pioletti, Pierre-Etienne Bourban, Peyman Karami, Céline Samira Wyss, Adrien Julien Demongeot

Granular hydrogels with high stability, strength, and toughness are laborious to develop. Post-curing is often employed to bind microgels chemically and enhance mechanical properties. Here a unique strategy was investigated to maintain microgels together w ...

2021

From vesicles to materials: bioinspired strategies for fabricating hierarchically structured soft matter

Esther Amstad

Certain organisms including species of mollusks, polychaetes, onychophorans and arthropods produce exceptional polymeric materials outside their bodies under ambient conditions using concentrated fluid protein precursors. While much is understood about the ...

ROYAL SOC2021

Out-of-plane permeability measurement for reinforcement textiles: A benchmark exercise

Véronique Michaud, Baris Çaglar, Amaël Maximilien Cohades, Damiano Salvatori

The out-of-plane permeability of two glass fibre fabrics was measured by 26 institutions using silicone oil as a test fluid. Participants in this study were free to select the test procedure, specimen dimensions and data analysis method, provided that test ...

2021

Recent progress in silk fibroin-based flexible electronics

Jürgen Brugger, Xiao Sheng Zhang, Ya Wang, Peng Huang

With the rapid development of the Internet of Things (IoT) and the emergence of 5G, traditional silicon-based electronics no longer fully meet market demands such as nonplanar application scenarios due to mechanical mismatch. This provides unprecedented op ...

2021

Nature-inspired Circular-economy Recycling (NaCRe) for Proteins

Simone Giaveri

Since a few decades our planet has been loaded with billion tons of synthetic polymer-based materials, commonly named plastics. The large scale of plastic production, associated with its limited recyclability, are the driving force for the accumulation of ...

EPFL2021

Reversible Drug Delivery: Thermal and pH Sensitive Composite Membrane for On‐Demand Drug Delivery by Applying an Alternating Magnetic Field (Adv. Mater. Interfaces 17/2020)

Jürgen Brugger, Giovanni Boero, Xiao Sheng Zhang, Ya Wang

In article number 2000733 by Juergen Brugger and co‐workers, a novel composite membrane of silk fibroin, microgels and magnetic nanoparticles whose permeability can be adjusted by temperature for controlled drug release is studied. The temperature induced ...

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

Wearable Triboelectric Generator based on a Hybrid Mix of Carbon Nanotube and Polymer Layers

Jürgen Brugger

A novel single-layer structured triboelectric generator (TEG) is proposed with a hybrid mix of carbon nanotube (CNT) and silk. Here, the mixing of two materials in liquid phase for proven effective power generation is shown. In this research, CNT provides ...

IOP PUBLISHING LTD2019

Printed silk-fibroin-based triboelectric nanogenerators for multi-functional wearable sensing

Jürgen Brugger, Xiao Sheng Zhang, Xin Liu

The rapid development of wearable sensing technology exhibits unprecedented opportunities for artificial intelligence by establishing an interactive interface between the physical and the virtual worlds. Energy preservation and multi-functional integration ...

Elsevier2019

Exciton Dynamics in 2D Organic Assemblies for Realization of Next-generation Optoelectronic Devices

Surendra Babu Anantharaman

Supramolecular assemblies of cyanine dye molecules formed by weak van der Waals forces have gained immense attention for their distinct optical properties (high extinction coefficient, narrow absorption and photoluminescence line-width and small Stokes shi ...

EPFL2019

Exploring the use of native spider silk as an optical fibre for chemical sensing

Luc Thévenaz, Kenny Hey Tow, Isabelle Dicaire, Desmond Chow Ming Chia

A spider uses up to seven different types of silk, all having specific functions, as building material, weapon and sensory organ to detect the presence of preys on its web. Recently, scientists have put under the limelight the extraordinary properties of t ...

IEEE Institute of Electrical and Electronics Engineers2018

All-fiber hybrid piezoelectric-enhanced triboelectric nanogenerator for wearable gesture monitoring

Jürgen Brugger, Ya Wang, Xiaohang Zhang, Xiao Sheng Zhang, Yinben Guo

With the increasing potential of smart clothing, the demand for generating energy directly in the tissue fibers has prompted for increased research in the field of energy harvesters based on wearable nanogenerators. Current challenges remain in the combina ...

Elsevier2018

From Spider Webs to a Biomimetic Optical Fibre Sensor

Luc Thévenaz, Kenny Hey Tow, Isabelle Dicaire, Desmond Chow Ming Chia

Can we use spider silk threads as natural, biological optical fibre sensors? In this communication, we will see how we can harness the optical properties of spider dragline silk and use it for sensing. ...

2018

Fabrication and Characterization of Biodegradable, Thermal-Responsive Silk Composite Membrane

Jürgen Brugger, Xiao Sheng Zhang, Ya Wang

In this work, we present a study on a thermalresponsive biodegradable membrane composed of silk fibroin and iron oxide nanoparticles as potential candidate material for implantable smart drug delivery microsystems. Ethanol annealing increased the content o ...

2018

Nanoscale Lithography and Thermometry with Thermal Scanning Probes

Samuel Tobias Howell, Samuel Zimmermann

Thermal scanning probe lithography (t-SPL) is an advanced lithography technique in which a heated atomic force microscope tip locally modifies a sample material. Due to the nanometer-sized tip apex diameter, t-SPL enables patterning of sub-10 nm structures ...

EPFL2018