Results 31 to 40 of about 91,101 (280)

Low-cost electrochemical paper-based device for exosome detection

open access: yes, 2022
Exosomes are vesicles released by healthy and cancer cells into the extracellular matrix and bodily fluid. Cancer cell-derived exosomes have attracted much attention in early-stage detection and prognostication of treatment response.
Nguyen, Nam-Trung   +5 more
core   +1 more source

Paper-Based Analytical Device for One-Step Detection of Bisphenol-A Using Functionalized Chitosan

open access: yesChemosensors, 2022
Bisphenol-A (BPA) is defined as one of the endocrine disrupting compounds. The accurate and inexpensive colorimetric paper-based analytical devices (PADs) are of crucial importance for BPA analysis.
Abdelhafid Karrat, Aziz Amine
doaj   +1 more source

Colorimetric detection on paper analytical device using machine learning

open access: yes, 2021
Paper-based analytical devices (PADs) employing colorimetric detection and smartphone images have gained wider acceptance in a variety of measurement applications.
Bishesh, Khanal   +3 more
core   +1 more source

Development of a microfluidic paper-based analytical device for magnesium determination in saliva samples

open access: yesTalanta Open, 2022
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

Rapid, Simple and Inexpensive Fabrication of Paper-Based Analytical Devices by Parafilm® Hot Pressing

open access: yes, 2021
Paper-based analytical devices have been substantially developed in recent decades. Many fabrication techniques for paper-based analytical devices have been demonstrated and reported.
Nguyen, Nam-Trung   +7 more
core   +1 more source

One-Step Biotinylation of Cellulose Paper by Polymer Coating to Prepare a Paper-Based Analytical Device [PDF]

open access: yes, 2020
Cellulose paper has strong potential as an analytical platform owing to its unique characteristics. In the present study, we investigated a procedure for functionalizing the surface of cellulose paper by dip-coating a mixture of a functional polymer and ...
Kaneko, Kazuki   +3 more
core   +1 more source

In Situ Detection of Hydrogen Sulfide in 3D-Cultured, Live Prostate Cancer Cells Using a Paper-Integrated Analytical Device

open access: yes, 2022
In this study, a paper-integrated analytical device that combined a paper-based colorimetric assay with a paper-based cell culture platform was developed for the in situ detection of hydrogen sulfide (H2S) in three-dimensional (3D)-cultured, live ...
Young-Ju Lee   +4 more
core   +1 more source

Mechanical Properties of Paper Saturated With a Hydrophobic Ionic Liquid

open access: yesBioResources, 2023
Research into paper-based devices and ionic liquids has increased considerably in the past few years. Thus, the combination of paper-based devices with ionic liquids is also becoming an increasingly frequent research subject.
Christiane Helbrecht   +5 more
doaj   +2 more sources

Carbon Nanotube Paper-Based Electroanalytical Devices

open access: yesMicromachines, 2016
Here, we report on carbon nanotube paper-based electroanalytical devices. A highly aligned-carbon nanotube (HA-CNT) array, grown using chemical vapor deposition (CVD), was processed to form bi-layered paper with an integrated cellulose-based Origami-chip
Youngmi Koo   +2 more
doaj   +1 more source

Electrochemical Detection In A Paper-based Separation Device.

open access: yes, 2015
Prototypes of microfluidic paper-based separation devices with amperometric detection were developed and evaluated. Photolithography was used to make a gold electrochemical microcell on polyester and that microcell was coupled to a strip of paper where a
Kubota, Lauro Tatsuo   +4 more
core   +2 more sources

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