Results 31 to 40 of about 94,583 (304)
Micromachines, 2023 The local integration of metal nanoparticle films on 3D-structured polydimethylsiloxane (PDMS)-based microfluidic devices is of high importance for applications including electronics, electrochemistry, electrocatalysis, and localized Raman sensing ...
Alessia Broccoli +5 more
doaj +1 more source
Ruthenium Oxide pH Sensing for Organs-On-Chip Studies
Proceedings, 2018 A ruthenium oxide (RuOx) electrode is being developed as potentiometric pH sensor for organs-on-chip applications. Open-circuit potential (OCP) of the RuOx electrode showed a response of −58.05 mV/pH, with no cross-sensitivity to potentially ...
Esther Tanumihardja +2 more
doaj +1 more source
Biosensors, 2022 Lab-on-a-chip devices incorporating valves and pumps can perform complex assays involving multiple reagents. However, the instruments used to drive these chips are complex and bulky.
Mireia Burdó-Masferrer +6 more
doaj +1 more source
Online monitoring of biofouling using coaxial stub resonator technique
Sensing and Bio-Sensing Research, 2015 Here we demonstrate the proof-of-principle that a coaxial stub resonator can be used to detect early stages of biofilm formation. After promising field tests using a stub resonator with a stainless steel inner conductor as sensitive element, the ...
N.A. Hoog +6 more
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Reference-Electrode Free pH Sensing Using Impedance Spectroscopy
Proceedings, 2018 We present a reference-electrode free sensor able to measure both pH and conductivitybased on impedance spectroscopy. The electrode is made of a layer of indium-tin-oxide (ITO).
Laura Folkertsma +4 more
doaj +1 more source
High-resolution and multi-range particle separation by microscopic vibration in an optofluidic chip
, 2017 An optofluidic chip is demonstrated in experiments for high-resolution and multi-range particle separation through the optically-induced microscopic vibration effect, where nanoparticles are trapped in loosely overdamped optical potential wells created ...
Zhang, Jing Bo +41 more
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Rapid determination of vitamin B12 concentration with a chemiluminescence lab on a chip
, 2012 This paper reports a novel method for the rapid determination of vitamin B12 concentration in a continuous-flow lab-on-a-chip system. This new method is based on luminol-peroxide chemiluminescence (CL) assays for the detection of cobalt(II) ions in ...
Nguyen, Nam-Trung +7 more
core +1 more source
Electrofusion of single cells in picoliter droplets
Scientific Reports, 2018 We present a microfluidic chip that enables electrofusion of cells in microdroplets, with exchange of nuclear components. It is shown, to our knowledge for the first time, electrofusion of two HL60 cells, inside a microdroplet.
Rogier M. Schoeman +5 more
doaj +1 more source
Predicting Dimensions in Microfluidic Paper Based Analytical Devices
Sensors, 2020 The main problem for the expansion of the use of microfluidic paper-based analytical devices and, thus, their mass production is their inherent lack of fluid flow control due to its uncontrolled fabrication protocols.
Raquel Catalan-Carrio +3 more
doaj +1 more source
Nanofluidics in Lab-on-a-Chip Devices [PDF]
Analytical Chemistry, 2009 As the field of nanofluidics matures, fundamental discoveries are being applied to lab-on-a-chip analyses. The unique behavior of matter at the nanoscale is adding new functionality to devices that integrate nanopores or nanochannels. (To listen to a podcast about this feature, please go to the Analytical Chemistry website at pubs.acs.org/journal ...
Michelle L, Kovarik, Stephen C, Jacobson
openaire +2 more sources