Martinus Gijs

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Related publications (370)

Bubble-enhanced ultrasonic microfluidic chip for rapid DNA fragmentation

DNA fragmentation is an essential process in developing genetic sequencing strategies, genetic research, as well as for the diagnosis of diseases with a genetic signature like cancer. Efficient on-chip DNA fragmentation protocols would be beneficial to pro ...

ROYAL SOC CHEMISTRY2022

Antimicrobial susceptibility testing by measuring bacterial oxygen consumption on an integrated platform

Martinus Gijs, Thomas Lehnert, Yang Liu

Cellular respiration is a fundamental feature of metabolic activity and oxygen consumption can be considered as a reliable indicator of bacterial aerobic respiration, including for facultative anaerobic bacteria like E. coli. Addressing the emerging global ...

ROYAL SOC CHEMISTRY2021

Ripening of two-dimensional colloidal CdSe nanocrystals into zero-dimensional nanodots

Martinus Gijs, Virendra Kumar Parashar, Xiaopeng Huang

Understanding the ripening of two-dimensional (2D) colloidal nanocrystals (NCs) is important for the controllable synthesis of NCs with desired morphology and properties. In this study, we systematically investigate the ripening behavior of the 2D CdSe NCs ...

CELL PRESS2021

An In Vivo Microfluidic Study of Bacterial Load Dynamics and Absorption in the C. elegans Intestine

Martinus Gijs, Thomas Lehnert, Vittorio Viri, Maël Arveiler

Caenorhabditiselegans (C. elegans) has gained importance as a model for studying host-microbiota interactions and bacterial infections related to human pathogens. Assessing the fate of ingested bacteria in the worm's intestine is therefore of great interes ...

MDPI2021

Effect of inoculum size and antibiotics on bacterial traveling bands in a thin microchannel defined by optical adhesive

Martinus Gijs, Thomas Lehnert

Phenotypic diversity in bacterial flagella-induced motility leads to complex collective swimming patterns, appearing as traveling bands with transient locally enhanced cell densities. Traveling bands are known to be a bacterial chemotactic response to self ...

SPRINGERNATURE2021

Integration of polymeric membrane/dielectric sphere assemblies in microfluidic chips for enhanced-contrast imaging with low-magnification systems

Martinus Gijs, Daniel Migliozzi, Vittorio Viri

Current microscopy systems for the imaging of microorganisms are expensive because of their optimized design toward resolution maximization and aberration correction. In situations where such an optimization is not needed, for instance to merely detect the ...

SPIE-SOC PHOTO-OPTICAL INSTRUMENTATION ENGINEERS2021

Phase calibration of a basic bright-field microscope for 3D metrology of transparent samples at the nanoscale

Martinus Gijs, Daniel Migliozzi, Bingying Zhao

Optical retrieval of the structure of transparent objects at the nano-scale requires adapted methods capable of probing their interaction with suitable light. Scattering events, for instance, depend on the content and the arrangement of the medium encounte ...

SPIE-INT SOC OPTICAL ENGINEERING2021

Force microscopy of the Caenorhabditis elegans embryonic eggshell

Martinus Gijs, Thomas Lehnert, Roger Philippe Krenger

Assays focusing on emerging biological phenomena in an animal's life can be performed during embryogenesis. While the embryo of Caenorhabditis elegans has been extensively studied, its biomechanical properties are largely unknown. Here, we demonstrate that ...

NATURE PUBLISHING GROUP2020

Automated phenotyping of Caenorhabditis elegans embryos with a high-throughput-screening microfluidic platform

Martinus Gijs, Matteo Cornaglia, Raphaël Etienne Jean Trouillon, Hüseyin Baris Atakan, Tunç Alkanat

The nematode Caenorhabditis elegans has been extensively used as a model multicellular organism to study the influence of osmotic stress conditions and the toxicity of chemical compounds on developmental and motility-associated phenotypes. However, the sev ...

2020

Fast antimicrobial susceptibility testing onEscherichia coliby metabolic heat nanocalorimetry