Πλοήγηση ανά Θέμα "Nanoparticles"
Αποτελέσματα 21-34 από 34
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N, S Codoped Carbon Matrix-Encapsulated Co9S8 Nanoparticles as a Highly Efficient and Durable Bifunctional Oxygen Redox Electrocatalyst for Rechargeable Zn–Air Batteries
(2021)Herein, a N, S co-doped carbon encapsulating Co9S8 nanoparticles (Co9S8@N, S–C) catalyst is successfully synthesized by a new precursor of Co-pyridine coordinated-polymer consisting of 2,6-diacetylpyridine and 4,4′-dithi ... -
On the magnetic aggregation of Fe3O4 nanoparticles
(2021)Background and objective In-vivo MRI-guided drug delivery concept is a personalized technique towards cancer treatment. A major bottleneck of this method, is the weak magnetic response of nanoparticles. A crucial improvement ... -
Preparation of sirna-encapsulated plga nanoparticles for sustained release of sirna and evaluation of encapsulation efficiency
(2012)Nanoparticles (NPs) formulated using poly (d,l-lactide-co-glycolide) (PLGA), a biodegradable, biocompatible, and clinically approved polymer, have been widely used for targeted drug delivery. Here we provide methods for ... -
A printed-circuit heat exchanger consideration by exploiting an Al2O3-water nanofluid: Effect of the nanoparticles interfacial layer on heat transfer
(2021)Supercritical carbon dioxide (S-CO2) Brayton cycle is an encouraging power conversion technology pertaining to waste heat recovery applications, because of the high compactness and efficiency it presents. A key technological ... -
Pt/CN-doped electrocatalysts: Superior electrocatalytic activity for methanol oxidation reaction and mechanistic insight into interfacial enhancement
(2017)Nitrogen-doped ordered mesoporous carbon (NOMC) is studied as the support to synthesize a Pt/CN-doped catalyst for methanol oxidation reaction (MOR). The effects of carbon dimension and metal loading are investigated by ... -
Regeneration of arsenic spent adsorbents by Fe/MgO nanoparticles
(2017)BACKGROUND: Over recent decades, there has been increasing global concern over public health impacts related to water pollution with arsenic. With the development of nanotechnology, nanomaterials are being proposed as ... -
Room-temperature deposited fluorine-doped tantalum pentoxide for stable organic solar cells
(2022)Earth-abundant transition metal oxides deposited at room temperature with low-cost methods suitable for large area manufacturing can offer advances in many fields of energy related devices. Here we report the room-temperature ... -
Scaling up the production of magnetic nanoparticles for biomedical applications: Cost-effective fabrication from basalts
(2014)We report here the first results on magnetic nanoparticles fabricated from basalt fragments of the eruption that took place in Lanzarote (Canary Islands) between 1730 and 1736, to be used in technologies of biomedicine. ... -
A theoretical model for the magnetohydrodynamic natural convection of a CNT-water nanofluid incorporating a renovated Hamilton-Crosser model
(2019)The present study pertains to the laminar two-dimensional magnetohydrodynamic natural convection in a shallow cavity utilizing a Carbon Nanotube (CNT)-water nanofluid which is internally heated by volumetrically heat ... -
Transcriptome Analysis Identifies Immune Markers Related to Visceral Leishmaniasis Establishment in the Experimental Model of BALB/c Mice
(2019)Visceral leishmaniasis (VL) caused by Leishmania donovani and L. infantum is a potentially fatal disease. To date there are no registered vaccines for disease prevention despite the fact that several vaccines are in ... -
Two Dimensional Drug Diffusion between Nanoparticles and Fractal Tumors
(2017)Drug delivery methods based on nanoparticles are some of the most promising medical applications in nanotechnology to treat cancer. It is observed that drug released by nanoparticles to the cancer tumors may be driven by ... -
Water Purification in Micromagnetofluidic Devices: Mixing in MHD Micromixers
(2016)This contribution addresses a possible solution for water purification from heavy metals by magnetic nanoparticles in microfluidic water flow systems. In this technique, the most important component is the micromixer while ... -
ZIF-Mg(OH)2 Dual Template Assisted Self-Confinement of Small PtCo NPs as Promising Oxygen Reduction Reaction in PEM Fuel Cell
(2022)Traditional calcination usually causes sintering of Pt, which diminishes Pt exposure in proton exchange membrane fuel cell (PEMFC) electrodes. In the present work, a facile self-confined method for synthesizing highly ... -
Zinc uptake, photosynthetic efficiency and oxidative stress in the seagrass Cymodocea nodosa exposed to ZnO nanoparticles
(2019)We characterized zinc oxide nanoparticles (ZnO NPs) by dynamic light scattering (DLS) measurements, and transmission electron microscopy (TEM), while we evaluated photosystem II (PSII) responses, Zn uptake kinetics, and ...