Results 31 to 40 of about 582,383 (175)

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

Characterization of Reagent Pencils for Deposition of Reagents onto Paper-Based Microfluidic Devices

open access: yesMicromachines, 2017
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

Research Progress on electrochemical paper-based analytical devices for the Detection of Pesticide Residues [PDF]

open access: yesShipin Kexue
The development of pesticides has significantly advanced global agricultural production, but the ensuing problem of pesticide residues poses a severe threat to human health.
LI Yanqing, ZONG Xinrong, CHEN Si’an, ZHANG Min
doaj   +1 more source

Manipulation of Fluid Flow Direction in Microfluidic Paper-Based Analytical Devices with an Ionogel Negative Passive Pump [PDF]

open access: yes, 2017
Microfluidic paper-based analytical devices (microPADs) are a relatively new group of analytical tools thatrepresent an innovative low-cost platform technology for fluid handling and analysis.
Akyazi, Tugce   +5 more
core   +2 more sources

Integration of paper-based microfluidic devices with commercial electrochemical readers [PDF]

open access: yes, 2012
The combination of simple Electrochemical Micro-Paper-based Analytical Devices (E\(\mu\)PADs) with commercially available glucometers allows rapid, quantitative electrochemical analysis of a number of compounds relevant to human health (e.g., glucose ...
Akbulut, Ozge   +4 more
core   +1 more source

Verification, Analytical Validation, and Clinical Validation (V3): The Foundation of Determining Fit-for-Purpose for Biometric Monitoring Technologies (BioMeTs) [PDF]

open access: yes, 2020
Digital medicine is an interdisciplinary field, drawing together stakeholders with expertize in engineering, manufacturing, clinical science, data science, biostatistics, regulatory science, ethics, patient advocacy, and healthcare policy, to name a few.
Bakker, Jessie   +14 more
core   +2 more sources

Microfluidic Paper-Based Devices at the Edge of Real Samples: Fabrication Limits, Hybrid Detection, and Perspectives

open access: yesMicromachines
Microfluidic paper-based analytical devices (µPADs) convert ordinary cellulose into an active analytical platform where capillary gradients shape transport, surface chemistry guides recognition, and embedded electrodes or optical probes translate ...
Hsing-Meng Wang   +2 more
doaj   +1 more source

Surface Modification of Cellulose Paper for Quantum Dot-based Sensing Applications

open access: yesBioResources, 2015
Cellulose paper specimens with and without surface modification were compared in order to study their physicochemical compatibility with quantum dots (QDs) for biochemical sensing applications. Silane and chitosan modification methods were applied.
Liyun Guan   +6 more
doaj   +1 more source

Fabrication of paper-based microfluidic devices using a 3D printer and a commercially-available wax filament

open access: yesTalanta Open, 2022
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

Paper-based analytical devices for environmental analysis. [PDF]

open access: yesAnalyst, 2016
The field of paper-based microfluidics has experienced rapid growth over the past decade, in particular with new applications to environmental analysis.
Meredith NA   +5 more
europepmc   +3 more sources

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