Paper-Based Analytical Device for Zinc Ion Quantification in Water Samples with Power-Free Analyte Concentration [PDF]
Micromachines, 2017 Insufficient sensitivity is a general issue of colorimetric paper-based analytical devices (PADs) for trace analyte detection, such as metal ions, in environmental water.
Hiroko Kudo +4 more
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A 3D Microfluidic Paper-Based Analytical Device with Smartphone-Based Colorimetric Readout for Phosphate Sensing [PDF]
SensorsIn this work, a 3D microfluidic paper-based analytical device (3D-µPAD) was developed for the smartphone-based colorimetric determination of phosphate in environmental samples. The assay relied on the formation of a blue-colored product (molybdenum blue)
Jose Manuel Graña-Dosantos +3 more
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A Simple Distance Paper-Based Analytical Device for the Screening of Lead in Food Matrices [PDF]
Biosensors, 2021 A simple and rapid distance paper-based analytical device (dPAD) for the detection of lead (Pb) in foods is proposed herein. The assay principle is based on competitive binding between carminic acid (CA) and polyethyleneimine (PEI) to Pb in a food sample.
Kasinee Katelakha +3 more
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A Facile Method to Fabricate an Enclosed Paper-Based Analytical Device via Double-Sided Patterning for Ionic Contaminant Detection [PDF]
Biosensors, 2023 Microfluidic paper-based analytical devices (μPADs) have been developed for use in a variety of diagnosis and analysis fields. However, conventional μPADs with an open-channel system have limitations for application as analytical platforms mainly because
Jinsol Choi +3 more
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Optofluidic paper-based analytical device for discriminative detection of organic substances via digital color coding [PDF]
Microsystems & NanoengineeringDeveloping a portable yet affordable method for the discrimination of chemical substances with good sensitivity and selectivity is essential for on-site visual detection of unknown substances.
Jinsol Choi +4 more
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Smartphone-Assisted Paper-Based Analytical Device for Rapid Colorimetric Detection of Total Reducing Sugars in Honey [PDF]
SensorsDetermining reducing sugars in honey is key to ensuring its quality and authenticity. Honey mainly contains fructose and glucose, which represent around 90–95% of the total sugar content, and is one of the most adulterated foodstuffs worldwide ...
Alicia Carro +3 more
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Paper-Based Analytical Device Based on Potentiometric Transduction for Sensitive Determination of Phenobarbital [PDF]
ACS Omega, 2023 Abdulrahman A. Almehizia +4 more
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A Microfluidic Paper-Based Analytical Device for Type-II Pyrethroid Targets in an Environmental Water Sample [PDF]
Sensors, 2020 A detection method for type-II pyrethroids in an environmental water sample using a microfluidic paper-based analytical device (µPAD) is reported here. The detection approach is based on the formation of cyanide from the hydrolysis of type-II pyrethroids
Sumate Pengpumkiat +4 more
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AIP Advances, 2017 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
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A Chemically Patterned Microfluidic Paper-based Analytical Device (C-µPAD) for Point-of-Care Diagnostics [PDF]
Scientific Reports, 2017 A chemically patterned microfluidic paper-based analytical device (C-µPAD) is developed to create fluidic networks by forming hydrophobic barriers using chemical vapor deposition (CVD) of trichlorosilane (TCS) on a chromatography paper.
Trinh Lam +3 more
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