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Martinus Adela Maria Gijs

Cette personne a quitté l’EPFL

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Publications associées (362)

Page 5 sur 19

Difference in Intestine Content of Caenorhabditis elegans When Fed on Non-Pathogenic or Pathogenic Bacteria

Martinus Adela Maria Gijs, Farzad Rezaeianaran

We investigated the bacterial food digestion and accumulation in wild-type adult Caenorhabditis elegans (C. elegans) worms that have fed on either non-pathogenic RFP-expressing Escherichia coli (E. coli) OP50 or pathogenic-RFP-expressing Pseudomonas aerugi ...

MDPI2023

Molecular ND Band Spectroscopy in the Divertor Region of Nitrogen Seeded JET Discharges

Olivier Sauter, Martinus Adela Maria Gijs, Jonathan Graves, Ambrogio Fasoli, Stefano Coda, Basil Duval, Henri Weisen, Richard Pitts, Yves Martin, Javier García Hernández, Duccio Testa, Miguel Fernández Ruiz, Nicola Vianello, Robin Humphry-Baker, Sun Hee Kim, Federico Nespoli, Patrick Blanchard, Alessandro Pau, David Pfefferlé, Davide Galassi, Jonathan Marc Philippe Faustin, Cristian Sommariva, Hamish William Patten, Samuel Lanthaler, Jan Horacek, Yann Camenen, Bruno Emanuel Ferreira De Sousa Correia, José Pedro Rebelo Ferreira Marques, Mikhail Maslov, Marco Wischmeier, Dalziel Joseph Wilson, Liang Yao, Daniel Scott Alessi, Arnout Lodewijk M Beckers, Ana Francisca Leal Silva Soares, Jonnathan Cesar Hidalgo Acosta, Antonio José Pereira de Figueiredo, Partha Dutta, Pierre-Thomas Paul Brun, Pedro Camilo de Oliveira e Silva, Alberto Hernando de Castro, Julio Rodriguez, Vlad Trifa, Li Shuai, Rebecca Hill

In this contribution we present OES measurements in the JET tokamak of the deuterated NH (ND) radical and the correlation between results of those experiments and measurement of ammonia production. The observation region covers most of the divertor and its ...

IOP PUBLISHING LTD2018

Chaotic mixing using source-sink microfluidic flows in a PDMS chip

Martinus Adela Maria Gijs, Abdeljalil Sayah, Caroline Vandevyver, Ata Tuna Ciftlik, Venkataragavalu Sivagnanam, Hüseyin Cumhur Tekin

We present an active fixed-volume mixer based on the creation of multiple source–sink microfluidic flows in a polydimethylsiloxane (PDMS) chip without the need of external or internal pumps. To do so, four different pressure-controlled actuation chambers a ...

Springer-Verlag2011

High-angular-range electrostatic rotary stepper micromotors fabricated with SOI technology

Martinus Adela Maria Gijs, Christophe Yamahata, Marc Stranczl

Flexible bearings are advantageous for microelectromechanical systems as they enable precise, accurate, repeatable, and reliable motion without frictional contact. Based on the principle of a rotary folded-beam suspension, we have designed, fabricated, mod ...

Institute of Electrical and Electronics Engineers2012

Spontaneous Formation of CdSe Photoluminescent Nanotubes with Visible-Light Photocatalytic Performance

Martinus Adela Maria Gijs, Virendra Kumar Parashar, Xiaopeng Huang

Two-dimensional (2D) colloidal CdSe nanocrystals (NCs) with precise atomic-scale thickness have attracted intensive attention in recent years due to their optical properties and quantum confinement effects originating from their particular band structure. ...

2019

Glass valveless micropump using electromagnetic actuation

Martinus Adela Maria Gijs, Christophe Yamahata, Frédéric Lacharme

We present a valveless micropump in glass, which is magnetically actuated using the sinusoidal current of an external electromagnet. We employ a powder blasting microerosion process for microstructuring the glass substrates and fusion bonding for assembly ...

2005

Neutron emission spectroscopy of D plasmas at JET with a compact liquid scintillating neutron spectrometer

Neutron emission spectroscopy is a diagnostic technique that allows for energy measurements of neutrons born in nuclear reactions. The JET tokamak fusion experiment (Culham, UK) has a special role in this respect as advanced spectrometers for 2.5 MeV and 1 ...

2018

Bayesian Integrated Data Analysis of Fast-Ion Measurements by Velocity-Space Tomography

Bayesian integrated data analysis combines measurements from different diagnostics to jointly measure plasma parameters of interest such as temperatures, densities, and drift velocities. Integrated data analysis of fast-ion measurements has long been hampe ...

2018

MEMS inductors: Technology and applications

Martinus Adela Maria Gijs

We expose the past and present state-of-the-art of Micro-ElectroMechanical System (MEMS) inductors. Starting from the basic inductor equations, we discuss the various material and frequency-dependent loss mechanisms that contribute to a decreasing quality ...

Springer, 101 Philip Drive, Norwell, Ma 02061 Usa2008

Quadrupolar magnetic actuation of superparamagnetic particles for enhanced microfluidic perfusion

Martinus Adela Maria Gijs, Thomas Lehnert

We report on the magnetic actuation of superparamagnetic particles in a microfluidic channel. The formation of a highly confined and dynamic plug of particles extending over the cross section of the microchannel is enabled by superposing a static and a tim ...

AIP American Institute of Physics2009

3D nanometrology of transparent objects by phase calibration of a basic bright-field microscope for multiple illumination apertures

Martinus Adela Maria Gijs, Daniel Migliozzi

Optical retrieval of the structure of transparent objects at the nanoscale requires adapted techniques capable of probing their interaction with light. Here, we considered a method based on calibration of the defocusing with partially coherent illumination ...

2020

Multi-photon polymerization using upconversion nanoparticles for tunable feature-size printing

Martinus Adela Maria Gijs, Christophe Moser, Virendra Kumar Parashar, Antoine Vincent Boniface, Qianyi Zhang

The recent development of light-based 3D printing technologies has marked a turning point in additive manufacturing. Through photopolymerization, liquid resins can be solidified into complex objects. Usually, the polymerization is triggered by exciting a p ...

WALTER DE GRUYTER GMBH2023

Full-Pulse Tomographic Reconstruction with Deep Neural Networks

Plasma tomography consists of reconstructing a two-dimensional radiation profile of a poloidal cross section of a fusion device based on line-integrated measurements along several lines of sight. The reconstruction process is computationally intensive, and ...

2018

Flexible polyimide-based force sensor

Martinus Adela Maria Gijs, Jagoda Anna Dobrzynska

We have realized a flexible force sensor, composed of four redundant capacitors, the operation of which is based on the measurement of a load-induced capacitance change. We use polyimide both as flexible substrate and as elastic dielectric between two leve ...

Elsevier2012

High fusion performance at high T-i/T-e in JET-ILW baseline plasmas with high NBI heating power and low gas puffing

This paper presents the transport analysis of high density baseline discharges in the 2016 experimental campaign of the Joint European Torus with the ITER-Like Wall (JET-ILW), where a significant increase in the deuterium-deuterium (D-D) fusion neutron rat ...

IOP Publishing Ltd2018

Subpixel translation of MEMS measured by discrete Fourier transform analysis of CCD images

Martinus Adela Maria Gijs, Christophe Yamahata, Marc Stranczl

We present a straightforward method for measuring in-plane linear displacements of microelectromechanical systems (MEMS) with a subnanometer resolution. The technique is based on Fourier transform analysis of a video recorded with a Charge-Coupled Device ( ...

2011

Integrated modelling of H-mode pedestal and confinement in JET-ILW

A pedestal prediction model Europed is built on the existing EPED1 model by coupling it with core transport simulation using a Bohm-gyroBohm transport model to self-consistently predict JET-ILW power scan for hybrid plasmas that display weaker power degrad ...

2018

Device for measuring the quality and/or degradation of a fluid, particularly a food oil

Gérald Chambon, Martinus Adela Maria Gijs

The invention relates to a device for measuring the quality and/or degradation of a fluid, especially an oil, comprising a sensor consisting of at least one pair of electrodes which are distanced from each other. Said sensor is immersed in the fluid which ...

2006

A quadrupolar magnetic actuation system for superparamagnetic particles

Martinus Adela Maria Gijs, Thomas Lehnert

2009

Magnetic particles as mobile substrates on biochips

Martinus Adela Maria Gijs, Virendra Kumar Parashar, Caroline Vandevyver, Ulrike Lehmann

2006