Results 11 to 20 of about 286 (97)
Microfluidic Paper-Based Device Incorporated with Silica Nanoparticles for Iodide Quantification in Marine Source Dietary Supplements [PDF]
SensorsIodine is an essential micronutrient for humans due to its fundamental role in the biosynthesis of thyroid hormones. As a key parameter to assess health conditions, iodine intake needs to be monitored to ascertain and prevent iodine deficiency. Iodine is
Mafalda G. Pereira +6 more
doaj +2 more sources
NanoArrayPAD−X: Nanoprobe Array and 3D-µPAD for the Simultaneous Detection of Respiratory Pathogens and Biomarkers at the Point of Care [PDF]
BiosensorsMicrofluidic paper-based analytical devices (µPADs) are ideal for point-of-care diagnostics due to their low cost, compact size, and ease of use. However, current designs have limited multiplexing capabilities, making it difficult to simultaneously ...
Andreu Vaquer +13 more
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ThermiQuant™ AquaStream: A portable instrument for quantitative colorimetric isothermal nucleic acid amplification reactions in paper and tube formats. [PDF]
PLoS ONEMicrofluidic paper-based analytical devices (µPADs) are an attractive format for colorimetric nucleic acid amplification tests (NAATs) because they enable low-cost, portable diagnostics in resource-limited settings.
Bibek Raut +6 more
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DFT-Guided Design of a Multi-Enzyme Mimetic High-Entropy Nanozyme for Cascaded Glutathione Detection and Point-of-Care Testing. [PDF]
Adv Sci (Weinh)Guided by density functional theory (DFT) calculations, a MnCoNiCuZnFe‐based Prussian blue analog (HEO) is screened out. It exhibits superior peroxidase (POD)‐like activity compared to noble metal‐incorporated high‐entropy nanozymes together with excellent oxidase (OXD) and glutathione oxidase (GSHOx)‐like activities.
Lin H +6 more
europepmc +2 more sources
Breaking the Selectivity Barrier of Single-Atom Nanozymes Through Out-of-Plane Ligand Coordination. [PDF]
Adv MaterHere, Ru SAzyme with out‐of‐plane chlorine ligands is reported as a monofunctional, high‐performance peroxidase‐like nanozyme. Incorporating out‐of‐plane ligand coordination emulates enzyme selectivity and regulates reaction pathways for an identical substrate.
Park S +8 more
europepmc +2 more sources
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 +4 more
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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 +5 more
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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 +4 more
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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 +1 more
doaj +1 more source
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
doaj +1 more source