Results 11 to 20 of about 113,617 (225)

A lab-on-a-chip for the concurrent electrochemical detection of SARS-CoV-2 RNA and anti-SARS-CoV-2 antibodies in saliva and plasma

Nature Biomedical Engineering, 2022
Rapid, accurate and frequent detection of the RNA of SARS-CoV-2 (severe acute respiratory syndrome coronavirus 2) and of serological host antibodies to the virus would facilitate the determination of the immune status of individuals who have Coronavirus ...
Devora Najjar, J. Rainbow, S. Sharma Timilsina, Pawan Jolly, Helena de Puig, M. Yafia, N. Durr, Hani M. Sallum, G. Alter, Jonathan Z. Li, Xu G. Yu, David R. Walt, J. Paradiso, P. Estrela, James J. Collins, D. Ingber   +15 more
semanticscholar   +1 more source

Single cell electroporation on chip [PDF]

, 2006
In this thesis the results of the development of microfluidic cell trap devices for single cell electroporation are described, which are to be used for gene transfection.
Valero, Ana
core   +17 more sources

Droplet microreactor for high-throughput fluorescence-based measurements of single catalyst particle acidity

Microsystems & Nanoengineering, 2023
The particles of heterogeneous catalysts differ greatly in size, morphology, and most importantly, in activity. Studying these catalyst particles in batch typically results in ensemble averages, without any information at the level of individual catalyst
Jeroen C. Vollenbroek, Anne-Eva Nieuwelink, Johan G. Bomer, Roald M. Tiggelaar, Albert van den Berg, Bert M. Weckhuysen, Mathieu Odijk   +6 more
doaj   +1 more source

Label-Free Microfluidic Impedance Cytometry for Acrosome Integrity Assessment of Boar Spermatozoa

Biosensors, 2022
Microfluidics and lab-on-chip technologies have been used in a wide range of biomedical applications. They are known as versatile, rapid, and low-cost alternatives for expensive equipment and time-intensive processing.
Stella A. Kruit, Douwe S. de Bruijn, Marleen L. W. J. Broekhuijse, Wouter Olthuis, Loes I. Segerink   +4 more
doaj   +1 more source

Systematic characterization of cleanroom-free fabricated macrovalves, demonstrating pumps and mixers for automated fluid handling tuned for organ-on-chip applications

Microsystems & Nanoengineering, 2022
Integrated valves enable automated control in microfluidic systems, as they can be applied for mixing, pumping and compartmentalization purposes. Such automation would be highly valuable for applications in organ-on-chip (OoC) systems.
Elsbeth G. B. M. Bossink, Anke R. Vollertsen, Joshua T. Loessberg-Zahl, Andries D. van der Meer, Loes I. Segerink, Mathieu Odijk   +5 more
doaj   +1 more source

Determining Particle Size and Position in a Coplanar Electrode Setup Using Measured Opacity for Microfluidic Cytometry

Biosensors, 2021
Microfluidic impedance flow cytometers enable high-throughput, non-invasive, and label-free detection of single-cells. Cytometers with coplanar electrodes are easy and cheap to fabricate, but are sensitive to positional differences of passing particles ...
Douwe S. de Bruijn, Koen F. A. Jorissen, Wouter Olthuis, Albert van den Berg   +3 more
doaj   +1 more source

Determining the antioxidant properties of various beverages using staircase voltammetry

Heliyon, 2020
Antioxidants are molecules that neutralize reactive oxygen species in the human body, reportedly reducing the risk of cancer and cardiovascular diseases. With multiple dietary products being advertised by their assumed high antioxidant concentration, the
W.H. Schilder, E. Tanumihardja, A.M. Leferink, A. van den Berg, W. Olthuis   +4 more
doaj   +1 more source

Lab on a chip for a low-carbon future.

Lab on a Chip, 2023
Transitioning our society to a sustainable future, with low or net-zero carbon emissions to the atmosphere, will require a wide-spread transformation of energy and environmental technologies.
S. Datta, I. Battiato, M. Fernø, R. Juanes, S. Parsa, V. Prigiobbe, Enric Santanach-Carreras, Wen Song, S. Biswal, D. Sinton   +9 more
semanticscholar   +1 more source

Patterning Biological Gels for 3D Cell Culture inside Microfluidic Devices by Local Surface Modification through Laminar Flow Patterning

Micromachines, 2020
Microfluidic devices are used extensively in the development of new in vitro cell culture models like organs-on-chips. A typical feature of such devices is the patterning of biological hydrogels to offer cultured cells and tissues a controlled three ...
Joshua Loessberg-Zahl, Jelle Beumer, Albert van den Berg, Jan C. T. Eijkel, Andries D. van der Meer   +4 more
doaj   +1 more source

Lab‐in‐a‐Bead: Magnetic Janus Bead Probe for the Detection of Biomarkers in Blood

Advanced Materials Interfaces, 2023
Remotely handled miniaturized colorimetric sensor platforms with multiple functionalities are able to mimic conventional laboratory operations with reduced assets.
Udara Bimendra Gunatilake, Adriana Caballe‐Abalos, Sandra Garcia‐Rey, Jon Mercader‐Ruiz, Lourdes Basabe‐Desmonts, Fernando Benito‐Lopez   +5 more
doaj   +1 more source