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Abdeljalil Sayah

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Publications associées (24)

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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

Ultra-thick micro-optical components using the PRISM photosensitive flexopolymer

Martinus Adela Maria Gijs, Virendra Kumar Parashar, Abdeljalil Sayah, Venkataragavalu Sivagnanam

We present the photosensitive flexopolymer PRISM as a new promising material for the realization of thick optical components. The PRISM flexopolymer can be directly polymerized using conventional UV exposure and is simply developed in a water-based solutio ...

2007

Understanding the mixing process in 3D microfluidic nozzle/diffuser systems: simulations and experiments

Martinus Adela Maria Gijs, Abdeljalil Sayah

We characterise computationally and experimentally a three-dimensional (3D) microfluidic passive mixer for various Reynolds numbers ranging from 1 to 100, corresponding to primary flow rates of 10-870 mu l min(-1). The 3D mixing channel is composed of mult ...

Iop Publishing Ltd2016

Bead-based single protein micro-array realized through electrostatic self-assembly of carboxylated beads

Martinus Adela Maria Gijs, Abdeljalil Sayah, Venkataragavalu Sivagnanam

We report here a simple method, based on electrostatic self-assembly, for realizing bead-based single protein micro-arrays. We generate positively charged surface micro-patterns on a glass substrate and use them as template for adsorbing negatively-charged ...

2008

Fabrication of microfluidic mixers with varying topography in glass using the powder blasting process

Martinus Adela Maria Gijs, Virendra Kumar Parashar, Abdeljalil Sayah

The powder-blasting method is used to fabricate structures with a three-dimensional topography in glass using elastomeric masks. The relation between the mask opening width and the erosion depth is exploited to fabricate microstructures with varying depth ...

2009

Bead-based protein microarrays realized through electrostatic self-assembly of carboxylated beads

Martinus Adela Maria Gijs, Abdeljalil Sayah, Venkataragavalu Sivagnanam

We report here a simple method, based on electrostatic self-assembly, for realizing bead-based single protein microarrays. We generate positively-charged surface micro-patterns on a glass substrate and used them as the template for adsorbing negatively-cha ...

2007

Reactive oxide micro-molding of thick lenses containing diffractive optical elements

Martinus Adela Maria Gijs, Virendra Kumar Parashar, Abdeljalil Sayah, Jean-Baptiste Robert Orhan

2006

Self-assembled melamine microlens arrays for immunofluorescence enhancement

Martinus Adela Maria Gijs, Abdeljalil Sayah, Hüseyin Cumhur Tekin, Hui Yang

Self-assembled dielectric microlenses are used for focusing of the fluorescent signal emitted from a surface-based immunoassay, performed on silane micropatterns as assay substrates, to enhance the detection signal. In our model system, a fluorescent immun ...

2013

Automated label-free optical sensor for multi-antibiotics detection in milk

Jan-Anders Edvin Maansson, Yves Leterrier, Abdeljalil Sayah

2008

Lab-on-a-chip for label-free multidetection of residual antibiotics in milk

Jan-Anders Edvin Maansson, Yves Leterrier, Abdeljalil Sayah, Guillaume Suarez

2008

Micropatterning of protein-functionalized magnetic beads on glass using electrostatic self-assembly

Martinus Adela Maria Gijs, Abdeljalil Sayah, Caroline Vandevyver, Venkataragavalu Sivagnanam

We demonstrate a simple and fast method for self-assembly-driven micropatterning of protein functionalized magnetic beads on glass. We use positively charged aminosilane micro-patterns as template for selective immobilization of streptavidin-coated beads b ...

Elsevier2008

Lab-on-a-chip for label-free multi-detection of residual antibiotics in milk

Jan-Anders Edvin Maansson, Yves Leterrier, Abdeljalil Sayah, Guillaume Suarez

2008

Fabrication and characterization of three-dimensional micro-lens arrays in sol-gel glass

Martinus Adela Maria Gijs, Virendra Kumar Parashar, Abdeljalil Sayah, Jean-Baptiste Robert Orhan

Institute of Electrical and Electronics Engineers2006

Lab-on-a-chip for label-free multi-detection of residual antibiotics in milk

Jan-Anders Edvin Maansson, Yves Leterrier, Abdeljalil Sayah

2008

Integrated System for the Parallel Detection of Multiple Antibiotics in Milk

Jan-Anders Edvin Maansson, Yves Leterrier, Abdeljalil Sayah, Valérie Geiser, Simon Pasche

2008

Micropatterning of streptavidin-coated magnetic microbeads in-situ in a microfluidic channel using electrostatic self-assembly

Martinus Adela Maria Gijs, Abdeljalil Sayah, Venkataragavalu Sivagnanam, Hüseyin Cumhur Tekin

2007

Borosilicate nanoparticles prepared by exothermic phase separation

Martinus Adela Maria Gijs, Virendra Kumar Parashar, Abdeljalil Sayah, Jean-Baptiste Robert Orhan

2008

Accurate masking technology for high-resolution powder blasting

Martinus Adela Maria Gijs, Abdeljalil Sayah, Anne-Gabrielle Pawlowski

We have combined eroding 10 µm diameter Al2O3 particles with a new masking technology to realize the smallest and most accurate possible structures by powder blasting. Our masking technology is based on the sequential combination of two polymers:(i) the br ...

2005

Micropatterning of Streptavidin-Functionalized Magnetic Beads on Glass Using Electrostatic Self-Assembly

Martinus Adela Maria Gijs, Abdeljalil Sayah, Caroline Vandevyver, Venkataragavalu Sivagnanam

2007

Precision Poly(dimethyl siloxane) masking technology for high-resolution powder blasting

Martinus Adela Maria Gijs, Abdeljalil Sayah, Anne-Gabrielle Pawlowski

Institute of Electrical and Electronics Engineers2005