Results 111 to 120 of about 10,921 (266)

Glutathione Threshold‐Triggered Selective Breakability of Organosilica Nanocapsules

open access: yesChemCatChem, EarlyView.
Replacing tetraethoxy orthosilicate (TEOS) by tetramethoxy orthosilicate (TMOS) as silica precursor to synthesize cleavable organosilica nanocapsules enabled the effective and selective entrapment of a positively charged protein as Cytochrome C (CytC) and a much more favorable breakability and kinetics release when exposed to high glutathione (GSH ...
Andrea Mosseri   +5 more
wiley   +1 more source

Enhanced Electroactivity for Overall Water Splitting and Oxygen Potential of Pt/Carbon Nanotubes Functionalized with Cu Organometallic Complex

open access: yesEnergy Technology, EarlyView.
Functionalizing carbon nanotubes (CNT) with the mesitylcopper (Cu‐mes) complex modifies the surface of CNT, developing Cu‐Pt alloys and Cu‐species. The result is a modified Pt electronic structure that promotes the catalytic activity of the 5 wt% Pt/CNTCu‐mes nanocatalyst for hydrogen and oxygen evolution reactions, and oxygen reduction reaction.
Rocio López‐Leal   +5 more
wiley   +1 more source

Synthesis of Sulfated Sn–Zr Mesoporous Catalysts for the Selective Dehydration of Hexose‐Type Monosaccharides

open access: yesChemistryOpen, EarlyView.
The synthesized SO4/Sn–Zr–SBA‐15 shows high activity in fructose‐to‐5‐hydroxymethylfurfural (HMF) dehydration. Acid sites with positive synergy effect between metals and SO4= improve catalytic behavior Synthesis of combined Brønsted and Lewis acid sites in SBA‐15 by Zr and Sn incorporation onto the mesoporous support, followed by a sulfation procedure ...
Eliana Diguilio   +3 more
wiley   +1 more source

Carbon Nanotube‐Supported Mo, Ni, and Co Nitrides as Stable Catalysts for Levulinic Acid Conversion: Influence of Metal–Nitrogen Interactions and Confinement Effects

open access: yesChemistryOpen, EarlyView.
Nitride‐phase catalysts (MxNy/CNT) are active in levulinic acid conversions. Ni3N/CNT shows the best performance due to hydrogenation‐active sites within and on the surface of CNT graphene layers. The CNT support also enhances the Ni3N phase stability, maintaining catalytic activity over multiple recycling tests.
Ivet Pafian   +6 more
wiley   +1 more source

Reprogramming Cells for Synergistic Combination Therapy with Nanotherapeutics against Uveal Melanoma

open access: yesBiomimetics, 2018
Uveal melanoma (UM) is the most common primary intraocular malignant tumor in adults and around half of the patients develop metastasis and die shortly after because of the lack of effective therapies for metastatic UM.
Paula Milán Rois   +4 more
doaj   +1 more source

Unveiling the radiative local density of optical states of a plasmonic nanocavity by STM

open access: yesNature Communications, 2020
Disentangling the radiative and non-radiative plasmon mode contributions to the total photonic density of states is a challenge. Here, the authors report a procedure to eliminate the electronic-structure factors from scanning tunnelling microscope ...
Alberto Martín-Jiménez   +6 more
doaj   +1 more source

Structural and Transport Properties of Thick and Thin Cr2AlC Films

open access: yesphysica status solidi (RRL) – Rapid Research Letters, EarlyView.
This study compares structural and transport properties of Cr2AlC thin films (50 and 500 nm) systematically disordered by ion irradiation. Columnar grain growth is observed only in 500 nm films, while both films exhibit a weak fiber texture. Kondo scattering from displaced Cr atoms leads to a resistivity upturn, with distinct magnetoresistance in each ...
João Salgado Cabaço   +11 more
wiley   +1 more source

Nanociência e Nanotecnologia no Ensino Médio: potencialidades da Educação CTS

open access: yesRevista do Professor de Física, 2019
A presente proposta pedagógica se inscreve na perspectiva CTS (Ciência, Tecnologia, Sociedade) ao considerar as implicações do desenvolvimento científico-tecnológico no contexto social, discutidas a partir da observação dos diversos problemas ambientais,
Edvaldo Vieira da Silva Júnior   +1 more
semanticscholar   +1 more source

Chemically‐Linked Heterostructures of Palladium Nanosheets and 2H‐MoS2

open access: yesSmall, EarlyView.
The photoresponse of MoS2 devices is extended to the near‐infrared region (up to 1700 nm) through chemical connection to Pd nanosheets (PdNS). A maleimide is used for covalent connection to MoS2, and a phenyl bromide moiety for linkage to the PdNS. In the absence of the chemical linker, van der Waals heterostructures show poorer enhancement of the ...
Ramiro Quirós‐Ovies   +12 more
wiley   +1 more source

Memoria CFM 2011 [PDF]

open access: yes, 2011
N
CSIC-UPV - Centro de Física de Materiales (CFM)
core   +1 more source

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