Results 11 to 20 of about 11,770 (296)
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 +3 more sources
3D Printed Paper-Based Microfluidic Analytical Devices [PDF]
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 0005 +4 more
openaire +5 more sources
Fully Enclosed Microfluidic Paper-Based Analytical Devices [PDF]
This article introduces fully enclosed microfluidic paper-based analytical devices (microPADs) fabricated by printing toner on the top and bottom of the devices using a laser printer. Enclosing paper-based microfluidic channels protects the channels from contamination, contains and protects reagents stored on the device, contains fluids within the ...
Schilling, Kevin M. +3 more
openaire +6 more sources
Visual quantification of Hg on a microfluidic paper-based analytical device using distance-based detection technique [PDF]
We presented a distance-based detection method for visual quantification of mercury ions on a microfluidic paper-based analytical device (μPAD). Dithizone in NaOH solution was used as chromogenic reagent and deposited onto paper channel delimited by ...
Longfei Cai +6 more
doaj +2 more sources
Microfluidic paper-based analytical device for the speciation of inorganic nitrogen species
A microfluidic paper-based analytical device (μPAD) utilizing gas-diffusion separation and solid-phase reduction was developed for the first time for the determination of both ammonium and nitrate, which are the dominant inorganic nitrogen species in environmental waters.
Ian Mckelvie +2 more
exaly +4 more sources
In this work, a microfluidic paper-based analytical device (μPAD) was developed for magnesium determination in saliva samples. The idea was to develop a fast and simple method for biological magnesium quantification targeting saliva as an easy to collect
Juliana I.S. Aguiar +6 more
doaj +1 more source
For most of the fast screening test papers for detecting Hg2+, the obtained results are qualitative. This study developed an operation for the μPAD and combined it with the chemical colorimetric method. Silver nanoparticle (AgNP) colloids were adopted as
Lung-Ming Fu +8 more
doaj +1 more source
The development of a simple yet greener microfluidic paper-based analytical device (μ-PAD) for on-site detection of Mn(II) in various types of waters using tannin as a natural reagent was described.
Fidelis Nitti +5 more
doaj +1 more source
A user-friendly, low-cost detector able to read the RGB indexes of microfluidic paper-based analytical devices (µPADs) was developed. The RGB-detector was built with 3D printing using PLA+ and reused Li-ion batteries.
Bianca Maria Pazzi +2 more
doaj +1 more source
A Review on Microfluidic Paper-Based Analytical Devices for Glucose Detection [PDF]
Glucose, as an essential substance directly involved in metabolic processes, is closely related to the occurrence of various diseases such as glucose metabolism disorders and islet cell carcinoma. Therefore, it is crucial to develop sensitive, accurate, rapid, and cost effective methods for frequent and convenient detections of glucose.
Shuopeng Liu, Wenqiong Su, Xianting Ding
openaire +3 more sources

