Results 1 to 10 of about 44 (44)

Simple and Equipment-Free Paper-Based Device for Determination of Mercury in Contaminated Soil

Molecules, 2021
This work presents a simple and innovative protocol employing a microfluidic paper-based analytical device (µPAD) for equipment-free determination of mercury. In this method, mercury (II) forms an ionic-association complex of tetraiodomercurate (II) ion (
Hikmanita Lisan Nashukha, Jirayu Sitanurak, Hermin Sulistyarti, Duangjai Nacapricha, Kanchana Uraisin   +4 more
doaj   +1 more source

Smartphone-Based Chemiluminescent Origami µPAD for the Rapid Assessment of Glucose Blood Levels

Biosensors, 2021
Microfluidic paper analytical devices (µPADs) represent one of the most appealing trends in the development of simple and inexpensive analytical systems for diagnostic applications at the point of care (POC).
Donato Calabria, Martina Zangheri, Ilaria Trozzi, Elisa Lazzarini, Andrea Pace, Mara Mirasoli, Massimo Guardigli   +6 more
doaj   +1 more source

A microfluidic paper analytical device using capture aptamers for the detection of PfLDH in blood matrices

Malaria Journal, 2022
Background The prevalence and death rate arising from malaria infection, and emergence of other diseases showing similar symptoms to malaria require the development of malaria-specific and sensitive devices for its diagnosis.
Adewoyin Martin Ogunmolasuyi, Ronen Fogel, Heinrich Hoppe, Dean Goldring, Janice Limson   +4 more
doaj   +1 more source

Near-Field Communication Tag for Colorimetric Glutathione Determination with a Paper-Based Microfluidic Device

Biosensors, 2023
Here, we propose a microfluidic paper-based analytical device (µPAD) implemented with a near-field communication (NFC) tag as a portable, simple and fast colorimetric method for glutathione (GSH) determination.
Inmaculada Ortiz-Gómez, Almudena Rivadeneyra, José F. Salmerón, Ignacio de Orbe-Payá, Diego P. Morales, Luis Fermín Capitán-Vallvey, Alfonso Salinas-Castillo   +6 more
doaj   +1 more source

Microfluidic Paper-Based Blood Plasma Separation Device as a Potential Tool for Timely Detection of Protein Biomarkers

Micromachines, 2022
A current challenge regarding microfluidic paper-based analytical devices (µPAD) for blood plasma separation (BPS) and electrochemical immunodetection of protein biomarkers is how to achieve a µPAD that yields enough plasma to retain the biomarker for ...
Francisco Burgos-Flórez, Alexander Rodríguez, Eliana Cervera, Marcio De Ávila, Marco Sanjuán, Pedro J. Villalba   +5 more
doaj   +1 more source

Critical evaluation of analytical methodologies for the discrimination of hemp and drug-type cannabis

Talanta Open, 2023
Classification of cannabis samples as hemp- or drug-type is an ever-increasing problem worldwide. Colorimetric tests and infrared spectroscopy were selected and critically compared among the available techniques.
Daniel Gallart-Mateu, Sergio Armenta, Salvador Garrigues, Miguel de la Guardia, Jordi Cruz   +4 more
doaj   +1 more source

A Microfluidic Paper-Based Analytical Device for Type-II Pyrethroid Targets in an Environmental Water Sample

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, Jintana Nammoonnoy, Watcharaporn Wongsakoonkan, Pajaree Konthonbut, Pornpimol Kongtip   +4 more
doaj   +1 more source

Iron (II) Determination in Lipstick Samples using Spectrophotometric and Microfluidic Paper-based Analytical Device (µPADs) Platform via Complexation Reaction with Iron Chelator 1, 10-phenanthroline: A Comparative Study

مجلة بغداد للعلوم, 2022
This study was undertaken to introduce a fast, accurate, selective, simple and environment-friendly colorimetric method to determine iron (II) concentration in different lipstick brands imported or manufactured locally in Baghdad, Iraq. The samples were
Ekhlas A. Abdulkareem, Jwan O. Abdulsattar, Ban O. Abdulsattar   +2 more
doaj   +1 more source

Determination of Nickel and Cobalt in Cosmetic Products Marketed in Iraq Using Spectrophotometric and Microfluidic Paper-based Analytical Device (µPADs) Platform

مجلة بغداد للعلوم, 2022
Two quantitative, environment-friendly and easily monitored assays for Ni (II) and Co (III) ions analysis in different lipstick samples collected from 500-Iraqi dinars stores located in Baghdad were introduced.
Ekhlas A. Abdulkareem, Jwan O. Abdulsattar   +1 more
doaj   +1 more source

A prototype microfluidic paper-based chromatic device for simultaneous determination of copper(II) and zinc(II) in urine

Talanta Open, 2023
The present work proposes the development of a simple and easy-to-make microfluidic paper-based analytical device (µPAD) as a prototype chromatic device for the simultaneous determination of copper and zinc in urine.
Michael Pérez-Rodríguez, María del Pilar Cañizares-Macías   +1 more
doaj   +1 more source