Results 31 to 40 of about 38,097,238 (288)

Enzyme Chemotaxis on Paper-based Devices

open access: yesAnalytical Sciences, 2018
Microfluidics has served as a technology for the design and development of a myriad of devices owing to their reduced reagent consumption rate and short sampling-to-result time. Chemotaxis is the movement of materials, particularly biological species, in response to the influence of chemical stimulation.
ILACAS, Grenalynn C.   +3 more
openaire   +3 more sources

Controlling Capillary-Driven Fluid Transport in Paper-Based Microfluidic Devices Using a Movable Valve [PDF]

open access: yes, 2017
This paper describes a novel, strategy for fabricating the movable valve on paper-based microfluidic devices to manipulate capillary-driven fluids. The movable valve fabrication is first realized using hollow rivets as the-holding center it, control the ...
Zhang, Peiqing   +11 more
core   +1 more source

Fabrication of paper-based microfluidic devices for animal disease detection

open access: yes, 2020
Fabrication of paper-based microfluidic devices for animal disease detection by Nithiya Streethran (nmstreethran@gmail.com) This was my undergraduate honours project at Heriot-Watt University.
Streethran, Nithiya, Nithiya Streethran
core   +1 more source

Flexible Graphite-on-Paper Piezoresistive Sensors

open access: yesSensors, 2012
We demonstrate novel graphite-on-paper piezoresistive devices. The graphite was used as sensing component. The fabrication process can be finished in a short time with simple tools (e.g., a scissor and a pencil).
Dan Xie, Yi Yang, Tian-Ling Ren, He Tian
doaj   +1 more source

Predicting Dimensions in Microfluidic Paper Based Analytical Devices

open access: yesSensors, 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

Emerging Point-of-care Technologies for Food Safety Analysis

open access: yesSensors, 2019
Food safety issues have recently attracted public concern. The deleterious effects of compromised food safety on health have rendered food safety analysis an approach of paramount importance.
Jane Ru Choi   +3 more
doaj   +1 more source

Paper-based microfluidic devices by asymmetric calendaring [PDF]

open access: yesBiomicrofluidics, 2017
We report a simple, efficient, one-step, affordable method to produce open-channel paper-based microfluidic channels. One surface of a sheet of paper is selectively calendared, with concomitant hydrophobization, to create the microfluidic channel. Our method involves asymmetric mechanical modification of a paper surface using a rolling ball (ball-point
S. Oyola-Reynoso   +5 more
openaire   +3 more sources

Smartphone-Addressable Paper-Based Devices for the Colorimetric Detection of Ampicillin Based on Salt-Induced Aggregation of Gold Nanoparticles

open access: yesEngineering Proceedings, 2023
In this work, we describe the fabrication of paper-based aptasensing devices for ampicillin determination that rely on the salt-induced aggregation of gold nanoparticles (AuNPs) in the presence of the target.
Dionysios Soulis   +2 more
doaj   +1 more source

3D Printed Paper-Based Microfluidic Analytical Devices

open access: yesMicromachines, 2016
As a pump-free and lightweight analytical tool, paper-based microfluidic analytical devices (μPADs) attract more and more interest. If the flow speed of μPAD can be programmed, the analytical sequences could be designed and they will be more popular ...
Yong He   +4 more
doaj   +1 more source

Porous Cellulose Substrate Study to Improve the Performance of Diffusion-Based Ionic Strength Sensors

open access: yesMembranes, 2022
Microfluidic paper-based analytical devices (µPADs) are leading the field of low-cost, quantitative in-situ assays. However, understanding the flow behavior in cellulose-based membranes to achieve an accurate and rapid response has remained a challenge ...
Hamid Khosravi   +3 more
doaj   +1 more source

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