Results 1 to 10 of about 57,159,132 (249)

Flavin adenine dinucleotide functionalized gold nanoparticles for the electrochemical detection of dopamine

open access: yesSensors and Actuators Reports, 2022
Dopamine (DA) is a neurotransmitter with multiple functions in the central nervous system, and whether found in low levels, activation of biological defense system and physiological activity is influenced.
Jennifer de Pontes Medrades   +4 more
doaj   +1 more source

Investigation of the Synergistic Effect of Layer-by-Layer Films of Carbon Nanotubes and Polypyrrole on a Flexible Electrochemical Device for Paraquat Sensing

open access: yesChemosensors, 2023
This research aims to study flexible sensors based on a poly(butylene adipate-co-terephthalate) (PBAT) biodegradable polymer and graphite. Sensors were modified through the layer-by-layer (LbL) technique to improve their electrochemical behavior for ...
Stefanny F. Amaro   +6 more
doaj   +1 more source

A Preliminary Study for Tunable Optical Assessment of Exhaled Breath Ammonia Based on Ultrathin Tetrakis(4-sulfophenyl)porphine Nanoassembled Films

open access: yesChemosensors, 2021
The detection of chemical substances excreted from the human body offers an attractive approach for non-invasive, early diagnostics of certain diseases.
Sergiy Korposh, Seung-Woo Lee
doaj   +1 more source

Construction and Properties of Alginate-based Trilayer Composite Film Loaded with β-Lactoglobulin Nanoparticles

open access: yesShipin gongye ke-ji, 2023
In this work, a trilayer composite film of alginate-polyvinylpyrrolidone-alginate loaded with β-lactoglobulin nanoparticles was prepared based on the layer-by-layer assembly.
Wenting FAN   +6 more
doaj   +1 more source

Intelligent H2S release coating for regulating vascular remodeling

open access: yesBioactive Materials, 2021
Coronary atherosclerotic lesions exhibit a low-pH chronic inflammatory response. Due to insufficient drug release control, drug-eluting stent intervention can lead to delayed endothelialization, advanced thrombosis, and unprecise treatment. In this study,
Bingyang Lu   +7 more
doaj   +1 more source

Magnetoresistive Properties of Multilayer Film Systems Based on Permalloy and Silver

open access: yesФізика і хімія твердого тіла, 2021
In this paper, the experimental investigation focuses on the magnetoresistive properties of nanosized film systems. Their structure changes from layered to granular due to transition from bilayer FM/NM (FM is a ferromagnetic material, NM is a nonmagnetic
I.M. Pazukha   +3 more
doaj   +1 more source

Preparation and Properties of Blended Composite Film Manufactured Using Walnut-Peptide–Chitosan–Sodium Alginate

open access: yesFoods, 2022
In this study, layer-by-layer assembly was performed to prepare sodium alginate (SA) layer and walnut-peptide–chitosan (CS) bilayer composite films. Genipin was adopted to crosslink CS and walnut peptide.
Wenqi Yan   +3 more
doaj   +1 more source

Polyelectrolyte Multilayers Composed of Polyethyleneimine-Grafted Chitosan and Polyacrylic Acid for Controlled-Drug-Delivery Applications

open access: yesJournal of Functional Biomaterials, 2022
In this work, polyethyleneimine (PEI)-grafted chitosan (Chi-g-PEI) was prepared for the fabrication of layer-by-layer (LBL) films for use in sustained-drug-delivery applications. Chi-g-PEI and polyacrylic acid (PAA) multilayer films were formed using the
Eliz Selmin Paker, Mehmet Senel
doaj   +1 more source

Effect of Ru Interlayer thickness on Electrophysical Properties of Co/Ru/Co three-layer film systems

open access: yesФізика і хімія твердого тіла, 2022
In this paper, the investigation of the crystal structure and electrophysical properties of Co/Ru/Co/Sub three-layer film systems with a Ru layer thickness dRu = 5-20 nm has been carried out.
A.M. Lohvynov   +5 more
doaj   +1 more source

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