Results 61 to 70 of about 68,662 (305)

The Synthesis and Reactivity of Mesoporous and Surface-Rough Vinyl-Containing ORMOSIL Nanoparticles

open access: yesColloids and Interfaces
Silica nanoparticles synthesized solely from organosilanes naturally possess a greater number of organic functionalities than silica nanoparticles surface-modified with organosilanes.
Nathan I. Walton   +3 more
doaj   +1 more source

Polygonal micro-whirlpools induced in ferrofluids

open access: yes, 2015
We report on the observation of the polygonal whirlpools in the thin layer of ferrofluid under illumination with a laser beam carrying optical vortex and in the presence of a vertical magnetic field. This kind of structures have attracted attention after
Bacia, Marcin   +4 more
core   +1 more source

Structural and Luminescence Properties of Silica-Based Hybrids Containing New Silylated-Diketonato Europium(III) Complex [PDF]

open access: yes, 2012
A new betadiketonate ligand displaying a trimethoxysilyl group as grafting function and a diketone moiety as complexing site (TTA-Si = 4,4,4-trifluoro-2-(3-trimethoxysilyl)propyl)-1-3-butanedione (C4H3S)COCH[(CH2)3Si(OCH3)3]COCF3) and its highly ...
Adriana P. Duarte   +45 more
core   +2 more sources

Supraparticles Composed of Graphitic Carbon Nitride Nanoparticles and Silica‐Supported Horseradish Peroxidase as Customizable Hybrid Catalysts for Photo‐Biocatalytic Cascade Reactions in Continuous Flow

open access: yesAdvanced Functional Materials, EarlyView.
Herein presented supraparticles combine the nanoparticulate photocatalyst graphitic carbon nitride with the enzyme horseradish peroxidase, which is immobilized on silica nanoparticles. In an optimized compatibility range, both catalysts operate effectively within the hybrid supraparticles and catalyze a cascade reaction consisting of the photocatalytic
Bettina Herbig   +11 more
wiley   +1 more source

Synthesis of microporous silica nanoparticles to study water phase transitions by vibrational spectroscopy [PDF]

open access: yes, 2019
Silica can take many forms, and its interaction with water can change dramatically at the interface. Silica based systems offer a rich tapestry to probe the confinement of water as size and volume can be controlled by various templating strategies and ...
Arriagada   +49 more
core   +1 more source

Mesoporous silica nanoparticles for pulmonary drug delivery

open access: yesAdvanced Drug Delivery Reviews, 2021
Over the last years, respiratory diseases represent a clinical concern, being included among the leading causes of death in the world due to the lack of effective lung therapies, mainly ascribed to the pulmonary barriers affecting the delivery of drugs to the lungs.
García-Fernández A   +2 more
openaire   +6 more sources

Light‐Responsive Enzyme‐Loaded Nanoparticles for Tunable Adhesion and Mechanical Wound Contraction

open access: yesAdvanced Functional Materials, EarlyView.
This study presents a photoactivatable enzyme‐loaded mesoporous nanoparticle system (MPDA_PaTy) that enables light‐triggered tunable tissue adhesion and facilitates mechanical wound contraction. Controlled enzymatic crosslinking at tissue or hydrogel interfaces allows on‐demand adhesion.
Junghyeon Ko   +10 more
wiley   +1 more source

Preliminary Studies on Silica Nanoparticles Preparation as Transport Vectors for Curcumin

open access: yesChemistry Proceedings, 2022
Mesoporous silica nanoparticles (MSN) are currently central to studies in different scientific areas [...]
Cătălin Ionuţ Mihăescu   +10 more
doaj   +1 more source

Photocatalytic degradation of an organophosphorus compound by porous Au- and WO3- modified TiO2 [PDF]

open access: yes, 2016
Organophosphorus (OP) compounds are highly toxic substances that are often used as chemical warfare agents and pesticides. OP pesticides are the most widely used class of pesticide in the world, and due to their ubiquity, the contamination of ...
Parker, David M.
core   +1 more source

Fiber optic long period grating sensors with a nanoassembled mesoporous film of SiO2 nanoparticles [PDF]

open access: yes, 2010
A novel approach to chemical application of long period grating (LPG) optical fibers was demonstrated, which were modified with a film nanoassembled by the alternate deposition of SiO2 nanoparticles (SiO2 NPs) and poly(diallyldimethyl ammonium ...
Korposh, Sergiy   +6 more
core   +1 more source

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