Results 21 to 30 of about 11,821 (242)
A paper-based colorimetric molecular test for SARS-CoV-2 in saliva
Herein, we describe the development of a paper-based device to detect nucleic acids of pathogens of interest in complex samples using loop-mediated isothermal amplification (LAMP) by producing a colorimetric response visible to the human eye.
Josiah Levi Davidson +10 more
doaj +1 more source
Microfluidic flow modulation with digitized sizing pattern in Xuan paper-based analytical devices
Spatially resolved fluid-flow modulation and its corresponding integration becomes a crucial aspect to consider when designing high-performing paper-based analytical devices.
Jose H. Lizama +3 more
doaj +1 more source
In this work, we developed an alternative manufacturing paper-based microfluidics method through 3D printing and wax filament. Microfluidic paper-based analytical devices (µPADs) are low-cost and easy-to-manufacture tools used for various chemical and ...
Antonio Espinosa +5 more
doaj +1 more source
The need for providing rapid and, possibly, on-the-spot analytical results in the case of intoxication has prompted researchers to develop rapid, sensitive, and cost-effective methods and analytical devices suitable for use in nonspecialized laboratories
Giacomo Musile +6 more
doaj +1 more source
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
Micro-Injection Moulding of Polymer Microfluidic Devices [PDF]
Microfluidic devices have several applications in different fields, such as chemistry, medicine and biotechnology. Many research activities are currently investigating the manufacturing of integrated microfluidic devices on a mass- production scale ...
Alcock, Jeffrey R. +5 more
core +1 more source
Multimode interference devices for focusing in microfluidic channels [PDF]
Low-cost, compact, automated optical microsystems for chemical analysis, such as microflow cytometers for identification of individual biological cells, require monolithically integrated microlenses for focusing in microfluidic channels, to enable high ...
Wilkinson, James S. +3 more
core +1 more source
Characterization of Reagent Pencils for Deposition of Reagents onto Paper-Based Microfluidic Devices
Reagent pencils allow for solvent-free deposition of reagents onto paper-based microfluidic devices. The pencils are portable, easy to use, extend the shelf-life of reagents, and offer a platform for customizing diagnostic devices at the point of care ...
Cheyenne H. Liu +6 more
doaj +1 more source
Controlling Capillary-Driven Fluid Transport in Paper-Based Microfluidic Devices Using a Movable Valve [PDF]
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
Paper-Based Analytical Device for Quantitative Urinalysis [PDF]
Paper-based analytical devices are fluidic chips fabricated with extremely inexpensive materials, namely paper, thereby allowing their use as a zero-cost analytical device in third-world countries that lack access to expensive diagnostic infrastructures.
Seong-Geun Jeong +4 more
doaj +1 more source

