Publications de Milica Jovic | EPFL Graph Search

A spatially multiplexed voltammetric magneto-sandwich assay involving Fe3O4/Fe-based metal-organic framework for dual liver cancer biomarkers

Voltammetric sandwich assays were constructed by integrating capture bioreceptors-conjugated magnetic nanocomposites, namely Fe3O4/MIL-101(Fe)-(NH)(CO)-COOH (FO/MOF) and alkaline phosphatase (ALP)labeled detection antibodies on an eight-well screen-printed ...

ELSEVIER SCIENCE SA2023

Rapid Noninvasive Skin Monitoring by Surface Mass Recording and Data Learning

Hubert Girault, Horst Pick, Natalia Gasilova, Andreas Stephan Lesch, Tzu-En Lin, Yingdi Zhu, Milica Jovic

Skin problems are often overlooked due to a lack of robust and patient-friendly monitoring tools. Herein, we report a rapid, noninvasive, and high-throughput analytical chemical methodology, aiming at real-time monitoring of skin conditions and early detec ...

2021

Oxygen Plasma/Bismuth Modified Inkjet Printed Graphene Electrode for the Sensitive Simultaneous Detection of Lead and Cadmium

Hubert Girault, Andreas Stephan Lesch, Victor Costa Bassetto, Milica Jovic, Prachi Gupta, Léopoldine Guenang Sonfack

In this work, a simple procedure for the preparation of an inkjet printed disposable graphene electrode is reported. Commercial graphene ink was printed on a kapton substrate and the resulting electrode was 30 min treated by oxygen plasma, then modified by ...

2020

Inkjet-Printed Carbon Nanotube Electrodes Modified with Dimer-captosuccinic Acid-Capped Fe3O4 Nanoparticles on Reduced Graphene Oxide Nanosheets for Single-Drop Determination of Trifluoperazine

Hubert Girault, Andreas Stephan Lesch, Milica Jovic

Here we report the design of a disposable single-drop voltammetric sensor for the quantitative determination of antipsy-chotic drug trifluoperazine (TFP). The sensor was build using inkjet-printed carbon nanotube (CNT) electrodes which were modified with d ...

2020

Highly Loaded Mildly Edge‐Oxidized Graphene Nanosheet Dispersions for Large‐Scale Inkjet Printing of Electrochemical Sensors

Hubert Girault, Horst Pick, Andreas Stephan Lesch, Victor Costa Bassetto, Yingdi Zhu, Milica Jovic, Bhawna Nagar

Inkjet printing of electrochemical sensors using a highly loaded mildly edge‐oxidized graphene nanosheet (EOGN) ink is presented. An ink with 30 mg/mL EOGNs is formulated in a mixture of N‐methyl pyrrolidone and propylene glycol with only 30 min of sonicat ...

2020

Skin cell analysis

Hubert Girault, Horst Pick, Andreas Stephan Lesch, Tzu-En Lin, Yingdi Zhu, Milica Jovic

The present invention describes an adhesive tape stripping transfer method for quick and non-invasive diagnosis of skin diseases by MALDI-TOF mass spectrometry analysis. Cells from the epidermis layer of a suspicious skin area of a patient are collected us ...

2020

Montmorillonite clay-modified disposable ink-jet-printed graphene electrode as a sensitive voltammetric sensor for the determination of cadmium(II) and lead(II)

Hubert Girault, Andreas Stephan Lesch, Victor Costa Bassetto, Milica Jovic, Léopoldine Guenang Sonfack

This work describes a new sensitive sensor for the simultaneous electrochemical determination by square wave anodic stripping voltammetry of Cd2+ and Pb2+ ions in aqueous solution, based on a disposable ink-jet-printed graphene electrode (IPGE) modifed by ...

2020

Disposable Biosensor Based on Amidase/CeO2/GNR Modified Inkjet‐printed CNT Electrodes‐droplet Based Paracetamol Detection in Biological Fluids for “Point‐of‐care” Applications

Hubert Girault, Andreas Stephan Lesch, Milica Jovic

2019

Point-of-care amperometric determination of L-dopa using an inkjet-printed carbon nanotube electrode modified with dandelion-like MnO2 microspheres

Hubert Girault, Andreas Stephan Lesch, Milica Jovic

An electrochemical sensor is described for the determination of L-dopa (levodopa; 3,4-dihydroxyphenylalanine). An inkjet-printed carbon nanotube (IJPCNT) electrode was modified with manganese dioxide microspheres by drop-casting. They coating was character ...

2019

Inkjet Printed Carbon Nanotube Electrodes for Measuring Pyocyaninand Uric Acid in a Wound Fluid Simulant and Culture Media

Hubert Girault, Andreas Stephan Lesch, Milica Jovic

Polyacrylamide-coated, carbon nanotube (PA/CNT)electrodes were prepared by an ink-jet printing process and used to measure pyocyanin and uric acid in a wound fluid simulant at 37 oC.These two moleculesare potential indicators of infection and therefore the ...

2019

Detection of bacteria

Hubert Girault, Horst Pick, Andreas Stephan Lesch, Yingdi Zhu, Milica Jovic

A method for bacteria detection and the assessment of the antimicrobial susceptibility profile uses a bacterial viability assay based on combining a highly efficient affinity bacteria enrichment/ separation with an electrochemical redox interrogation measu ...

2019

Large-scale fabrication of flexible solid-state reference electrodes

Hubert Girault, Milica Jovic, Kumar Varoon Agrawal, Luis Francisco Villalobos Vazquez de la Parra

A new approach for large-scale fabrication of miniaturized, reliable and planar solid-state reference electrodes on flexible substrates is presented. Inkjet printing technique was used for the fabrication of conductive path and silver patterns that were ch ...

2019

Surface-confined Electrochemiluminescence Microscopy of Cell Membranes

Andreas Stephan Lesch, Milica Jovic

Herein is reported a surface-confined microscopy based on electrochemiluminescence (ECL) which allows to image the plasma membrane of single cells at the interface with an electrode. By analyzing photoluminescence (PL), ECL and AFM images of mammalian CHO ...

2018

Large-scale layer-by-layer inkjet printing of flexible iridium-oxide based pH sensors

Hubert Girault, Fernando Cortes Salazar, Andreas Stephan Lesch, Jonnathan Cesar Hidalgo Acosta, Evgeny Smirnov, Victor Costa Bassetto, Milica Jovic

2018

Detection of antimicrobial resistance-associated proteins by titanium dioxide-facilitated intact bacteria mass spectrometry

Hubert Girault, Horst Pick, Liang Qiao, Natalia Gasilova, Yingdi Zhu, Milica Jovic

Titanium dioxide-modified target plates were developed to enhance intact bacteria analysis by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry. The plates were designed to photocatalytically destroy the bacterial envelope struct ...

2018

Maldi device and methods of preparation and use thereof

Hubert Girault, Horst Pick, Liang Qiao, Yingdi Zhu, Milica Jovic

A target plate for enhanced matrix-assisted laser desorption/ionization mass spectrometry (MALDI MS) analysis of intact biological entities. The target plate comprises an electrically conductive substrate (1) covered at least partially with immobilised pho ...

2018

Immuno-affinity Amperometric Detection of Bacterial Infections

Hubert Girault, Horst Pick, Michel Prudent, Andreas Stephan Lesch, Yingdi Zhu, Milica Jovic

A combination of an immuno-affinity enrichment strategy and sensitive amperometric read-out was implemented in a point-of-care platform intended for bacterial infection analysis. Bacterial cells, selectively captured and enriched from complex matrices thro ...

Wiley-VCH Verlag GmbH2018

Iohexol degradation in wastewater and urine by UV-based Advanced Oxidation Processes (AOPs): Process modeling and by-products identification

Hubert Girault, César Pulgarin, Simon Schindelholz, Natalia Gasilova, Stefanos Giannakis, Miquel Pastor Gelabert, Milica Jovic

In this work, an Iodinated Contrast Medium (ICM), Iohexol, was subjected to treatment by 3 Advanced Oxidation Processes (AOPs) (UV, UV/H2O2, UV/H2O2/Fe2+). Water, wastewater and urine were spiked with Iohexol, in order to investigate the treatment efficien ...

Elsevier2017

Inkjet-printed microtiter plates for portable electrochemical immunoassays

Hubert Girault, Frédéric Gumy, Fernando Cortes Salazar, Andreas Stephan Lesch, Alexandra Bondarenko, Yingdi Zhu, Milica Jovic

Herein, we present the large-scale fabrication of multiplexed three-electrode sensors used in a point-of-care device platform that couples a magnetic bead-based immunoassay strategy with amperometric detection for rapid and highly sensitive analysis. The m ...

Elsevier Science Sa2017

Solar photo-Fenton and UV/H2O2 processes against the antidepressant Venlafaxine in urban wastewaters and human urine. Intermediates formation and biodegradability assessment

Luiz Felippe De Alencastro, Hubert Girault, Dominique Grandjean, César Pulgarin, Idriss Hendaoui, Stefanos Giannakis, Milica Jovic

In this work, the use of Advanced Oxidation Processes (AOPs) against the degradation of an emerging contaminant has been subjected under systematic investigation. The optimization of treatment of the anti- depressant drug Venlafaxine (VFA) was performed, u ...

Elsevier Science Sa2017