Results 21 to 30 of about 41,174 (195)

Kelvin Probe Force Microscopy in Bionanotechnology: Current Advances and Future Perspectives

open access: yesAdvanced Materials, EarlyView.
Kelvin probe force microscopy (KPFM) enables the nanoscale mapping of electrostatic surface potentials. While widely applied in materials science, its use in biological systems remains emerging. This review presents recent advances in KPFM applied to biological samples and provides a critical perspective on current limitations and future directions for
Ehsan Rahimi   +4 more
wiley   +1 more source

Likes, memes e militância: ciberativismo na internet brasileira

open access: yesConversas & Controvérsias, 2020
O presente artigo tem por objetivo investigar a influência do processo de revolução comunicacional provocado pela Internet na esfera política, focando no conceito de “ciberativismo”.
Ana Nolasco   +2 more
doaj  

Labirintos Femininos na Poesia de Ana Luísa Amaral e de Amalia Bautista

open access: yesModerna Språk, 2012
Neste artigo debruço-me sobre a poesia de Ana Luísa Amaral e de Amalia Bautista sob uma perspetiva comparatista. Ambas as poéticas refletem um olhar feminista sobre o mito do labirinto, propondo uma revisão do cânone literário e dos arquétipos ...
Marta Pessanha Mascarenhas
doaj   +1 more source

Currículo de história e agência docente: possibilidades de articulação nos anos iniciais do ensino fundamental

open access: yesRoteiro, 2020
Este texto tem por objetivo explorar as articulações entre a produção de currículos de História e os processos de subjetivação política mobilizados pelas professoras dos Anos Iniciais do Ensino Fundamental, na relação estabelecida com o conhecimento ...
Carmen Teresa Gabriel   +1 more
doaj   +1 more source

Self‐Cooling Molecular Spin Qudits

open access: yesAdvanced Materials, EarlyView.
A material made of [GdEr] molecular dimers can encode a qudit and perform as a magnetic refrigerant. Microwave resonant pulses coherently manipulate its 16 spin states, while direct demagnetization measurements cool the material and a device down to temperatures below 1 K.
Elías Palacios   +12 more
wiley   +1 more source

A paz pede arte: Os diálogos de paz e seus agentes

open access: yesMalala, 2018
Este artigo explora uma agenda de pesquisa teórico-aplicada no âmbito das ciências da linguagem. Como parte da pesquisa, apresentaremos nossa análise de um diálogo, disponibilizado pelo projeto The Palestine Papers, entre negociadores do Estado de Israel
Stéphane Dias
doaj   +1 more source

Witches and plants: alliances, rituals and biopolitical rebellion?

open access: yesDesenvolvimento e Meio Ambiente, 2023
O artigo mostra como as interações entre pessoas e plantas são conexões importantes para entender as experiências sociomateriais contemporâneas. Experimentando com uma abordagem pós-cognitiva e orientada aos atores, reconhecemos processos de auto ...
Flávia Charão-Marques, Alberto Arce
doaj   +1 more source

Tuning Amorphous‐Crystalline Catalytic Interfaces by Mechanochemistry: Cu‐Based Metallic Glasses Coupled with Ceria for CO Oxidation

open access: yesAdvanced Materials, EarlyView.
Ball‐milling Cu‐based metallic glasses with ceria creates a unique nanostructure where metallic glass particles are wrapped by CeO2 nanoparticles. The intimate integration triggers copper state reorganization during reaction and aging, boosting CO oxidation and COPrOx activity.
Maahin Mirzay‐Shahim   +17 more
wiley   +1 more source

Opportunities of Semiconducting Oxide Nanostructures as Advanced Luminescent Materials in Photonics

open access: yesAdvanced Materials, EarlyView.
The review discusses the challenges of wide and ultrawide bandgap semiconducting oxides as a suitable material platform for photonics. They offer great versatility in terms of tuning microstructure, native defects, doping, anisotropy, and micro‐ and nano‐structuring. The review focuses on their light emission, light‐confinement in optical cavities, and
Ana Cremades   +7 more
wiley   +1 more source

2D Co‐Mo‐Hydroxide‐Based Multifunctional Material for the Development of H2‐Based Clean Energy Technologies

open access: yesAdvanced Materials, EarlyView.
2D α‐Co(OH)2 interleaved with Mo species displays an appealing dual functionality for the production and use of green hydrogen.Mo incorporation greatly benefits the electrochemical behaviour in Oxygen Evolution Reaction for H2 production, while the magnetocaloric response at liquid H2 temperature paves the way for alternative cryogenic refrigerants ...
Daniel Muñoz‐Gil   +14 more
wiley   +1 more source

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