Publications associées à Enhanced Sensing of Interleukin 8 by Stripping Voltammetry: Carbon Nanotubes versus Fullerene

Comparison of electrical and optical transduction modes of DNA-wrapped SWCNT nanosensors for the reversible detection of neurotransmitters

Giovanni Boero, Jürgen Brugger, Nergiz Sahin Solmaz

In this study, we compare the electrical and optical signal transduction of nanoscale biosensors based on single -walled carbon nanotubes (SWCNTs). Solution processable single-stranded (ss) DNA-wrapped SWCNTs were used for the fabrication of the distinct s ...

2022

Rapid Gas Transport from Block-Copolymer Templated Nanoporous Carbon Films

Kumar Varoon Agrawal, Mostapha Dakhchoune, Jing Zhao, Luis Francisco Villalobos Vazquez de la Parra, Kuang-Jung Hsu, Marina Micari, Xuekui Duan

Porous carbon films, attributed to their superior thermal and chemical robustness, are attractive for a number of applications. In the context of molecular separation, a major focus has been on films where the effective pore diameter is lower than 1 nm, e. ...

AMER CHEMICAL SOC2021

Selective Acceptorless Dehydrogenation of Primary Amines to Imines by Core-Shell Cobalt Nanoparticles

Paul Joseph Dyson, Zhaofu Fei, Matthias Beller, Xinjiang Cui

Core-shell nanocatalysts are attractive due to their versatility and stability. Here, we describe cobalt nanoparticles encapsulated within graphitic shells prepared via the pyrolysis of a cationic poly-ionic liquid (PIL) with a cobalt(II) chloride anion. T ...

Wiley-VCH Verlag GmbH2020

Inkjet printing and electrocatalysis

Victor Costa Bassetto

The transition in energy matrix, from fossil to renewable energy sources, will require the utilization of grid levelling alternatives to cope with the intermittent characteristic of renewable energy. Advanced electrochemical energy conversion and storage d ...

EPFL2019

Non-covalent Methods of Engineering Optical Sensors Based on Single-Walled Carbon Nanotubes

Ardemis Anoush Boghossian, Alice Judith Gillen

Optical sensors based on single-walled carbon nanotubes (SWCNTs) demonstrate tradeoffs that limit their use in in vivo and in vitro environments. Sensor characteristics are primarily governed by the non-covalent wrapping used to suspend the hydrophobic SWC ...

2019

Protein Bioconjugation to Carbon Nanotubes for Near-Infrared Sensing

Vitalijs Zubkovs

Single-walled carbon nanotubes (SWCNTs) are a promising material for electrochemical and optical biosensing applications. Their small dimensions, large surface area, indefinite photostability, and remarkable electronic properties make SWCNTs an ideal trans ...

EPFL2019

Electrochemical Behavior of Carbon Electrodes for In Situ Redox Studies in a Transmission Electron Microscope

Nikolaos Nianias, Vasiliki Tileli, Robin Pierre Alain Girod

Electrochemical liquid cell transmission electron microscopy (TEM) is a unique technique for probing nanocatalyst behavior during operation for a range of different electrocatalytic processes, including hydrogen evolution reaction (HER), oxygen evolution r ...

CAMBRIDGE UNIV PRESS2019

Sequential catalysis enables enhanced C-C coupling towards multi-carbon alkenes and alcohols in carbon dioxide reduction: a study on bifunctional Cu/Au electrocatalysts

Michael Graetzel, Shaik Mohammed Zakeeruddin, Dan Ren, Jing Gao

Electrochemical reduction of carbon dioxide (CO2) to multi-carbon products such as ethylene, ethanol and n-propanol offers a promising path for utilization of excessive CO2 and energy storage. Oxide-derived Cu electrodes are among the best electrocatalysts ...

ROYAL SOC CHEMISTRY2019

Performance of Carbon Nano-Scale Allotropes in Detecting Midazolam and Paracetamol in Undiluted Human Serum

Giovanni De Micheli, Sandro Carrara, Irene Taurino, Nima Aliakbarinodehi, Ioulia Tzouvadaki, Francesca Stradolini, Sattar Akbari Nakhjavani

Nano-materials are highly exploited to enhance sensing performance of electrochemical electrodes by increasing the Electro-Active Surface Area (EASA). In this work, an analytical calculation of the deposited EASA is presented and experimentally validated b ...

2018

Faradic Peaks Enhanced by Carbon Nanotubes in Microsomal Cytochrome P450 Electrodes

Christian Müller, Giovanni De Micheli, Sandro Carrara, Camilla Baj-Rossi

In this work we present an investigation on the behavior of microsomes containing human cytochrome P450 in cyclic voltammetry for drug detection. The microsomes are adsorbed on the surface of multi-walled carbon nanotubes by drop-casting. We demonstrate th ...

Wiley-Blackwell2015

Electrically conductive self-healing polymer composite coatings

Yves Leterrier, Véronique Michaud, Brennan Margaret Bailey

The goal of the research described herein is the fabrication and assessment of electrically conductive partially-cured epoxy coatings which, upon cracking, autonomously restore barrier, mechanical and electrical properties via a microcapsule based healing ...

2015

Integrated Electronics to Control and Readout Electrochemical Biosensors for Implantable Applications

Seyedeh Sara Ghoreishizadeh

Biosensors can effectively be used to monitor multiple metabolites such as glucose, lactate, ATP and drugs in the human body. Continuous monitoring of these metabolites is essential for patients with chronic or critical conditions. Moreover, this can be us ...

EPFL2015

Electrochemical nanostructured biosensors: carbon nanotubes versus conductive and semi-conductive nanoparticles

Giovanni De Micheli, Sandro Carrara, Irene Taurino, Nima Aliakbarinodehi, Gianluca Piccinini

The aim of this work was to demonstrate that various types of nanostructures provide different gains in terms of sensitivity or detection limit albeit providing the same gain in terms of increased area. Commercial screen printed electrodes (SPEs) were func ...

De Gruyter Open Ltd2015

Development of Implantable Electrodes Based on Polymer Derived Ceramics

Jonas Grossenbacher

The invention of heart pacemakers in the 50's aims to help patients to overcome heart strokes, which represent the first cause of death worldwide. In Europe and in the USA, more than 3000 pacemakers are implanted every day. Despite the constant evolution o ...

EPFL2015

Large scale inkjet-printing of carbon nanotubes electrodes for antioxidant assays in blood bags

Hubert Girault, Michel Prudent, Niels Erik Lion, Fernando Cortes Salazar, Andreas Stephan Lesch

Herein, we present the large scale fabrication of carbon nanotubes (CNT) electrodes supported on flexible polymeric sheets by subsequent multilayer inkjet printing of a silver layer for electrical connection, CNT layers as active electrode material and an ...

Elsevier2014

Carbon-based smart nanomaterials in biomedicine and neuroengineering

Michele Giugliano

The search for advanced biomimetic materials that are capable of offering a scaffold for biological tissues during regeneration or of electrically connecting artificial devices with cellular structures to restore damaged brain functions is at the forefront ...

Beilstein-Institut2014

Templating Approach Towards Lamellar Carbon Nanomaterials from Oligo(phenylene) Amphiphiles

Dragana Paripovic

Templating approaches based on the self-assembly of block-copolymers represent a powerful tool for the preparation of ordered carbon-containing nanomaterials. Combining such strategies with the use of well-defined amphiphilic precursors with sp2-carbon-ric ...

EPFL2014

Functionalized Carbon Nanostructures from Oligoyne Carboxylates

Stephen Schrettl

Functional nanostructured carbon materials, including two-dimensionally extended nanosheets, offer intriguing perspectives for applications in emerging technologies such as hydrogen storage, lithium storage, transition metal free catalysis, or solar abso ...

EPFL2014

Gas-phase volatile organic chloride electroreduction: A versatile experimental setup for electrolytic dechlorination and voltammetric analysis

Christos Comninellis, Henri Encontre

Silver is a well-known and largely studied electrocatalytic material for (hydro)dehalogenation reactions of organic halides, a class which includes several priority pollutants. Silver nanoparticles are particularly attractive since exhibit similar or even ...

Elsevier2014

Direct growth of nanotubes and graphene nanoflowers on electrochemical platinum electrodes

László Forró, Arnaud Magrez, Giovanni De Micheli, Sandro Carrara, Irene Taurino, Federico Matteini

Multi-walled carbon nanotubes and graphene nanoflowers were grown by a catalytic chemical vapor deposition process on metal surfaces. Electrodeposition was used as a versatile technique to obtain three different iron catalyst coatings on platinum microelec ...

2013