Results 91 to 100 of about 896,128 (293)

Light‐Driven Quadrupedal Walking Biohybrid Robot With Antagonistic Muscle‐Rings and Inclined Joints

open access: yesAdvanced Robotics Research, EarlyView.
This work presents a light‐driven quadrupedal walking biohybrid robot powered by antagonistic muscle‐rings that achieve alternating walking gait. Optical training improved reproducibility of cultured muscle tissues, while caffeine treatment enhanced contractile force.
Shotaro Saito   +5 more
wiley   +1 more source

O impacto do oligopólio das Big Techs na economia política internacional [PDF]

open access: yes
Esta pesquisa explora o impacto das Big Techs — Meta, Alphabet, Amazon, Apple e Microsoft — na economia política internacional, destacando a consolidação de seu poder nas últimas décadas.
Figueiredo, João Victor dos Santos
core  

Machine Learning for Green Solvents: Assessment, Selection and Substitution

open access: yesAdvanced Science, EarlyView.
Environmental regulations have intensified demand for green solvents, but discovery is limited by Solvent Selection Guides (SSGs) that quantify solvent sustainability. Training a machine learning model on GlaxoSmithKline SSG, a database of sustainability metrics for 10,189 solvents, GreenSolventDB is developed. Integrated with Hansen solubility metrics,
Rohan Datta   +4 more
wiley   +1 more source

Big techs and the modulation of subjectivity in the age of surveillance capitalism [PDF]

open access: yes
Na contemporaneidade, as big techs assumem um papel central na mediação das relações humanas, influenciando desde a economia até a política. Esse fenômeno suscita questões profundas sobre autonomia, liberdade e democracia no século XXI.
Corbanezi, Elton   +1 more
core  

Copper‐Driven Epithelial Barrier Disruption: A Novel Mechanism of COPD Acute Exacerbations Mediated by the TNF‐α/ATP7A Axis

open access: yesAdvanced Science, EarlyView.
This study reveals a copper‐driven mechanism of COPD acute exacerbations mediated by the TNF‐α/ATP7A axis. TNF‐α suppresses the copper transporter ATP7A via competitive NF‐κB/CREB1/CBP signaling, resulting in intracellular copper accumulation, mitochondrial oxidative stress, and epithelial barrier disruption.
Xinru Xiao   +7 more
wiley   +1 more source

O pensamento de Montesquieu na era da comunicação digital

open access: yesRevista Alterjor
A pesquisa analisa a relevância do pensamento de Montesquieu na era da comunicação digital. Destaca-se a necessidade de divisão de poderes e o papel das narrativas dominantes como formas de poder nas Big Techs.
Diego Campos Salgado Braga   +2 more
doaj   +1 more source

Data, Privacy, and Agency: Beyond Transparency to Empowerment. [PDF]

open access: yesAm J Bioeth, 2022
Versalovic E, Goering S, Klein E.
europepmc   +1 more source

Cláusulas de eleição de foro em contratos internacionais digitais: as Big Techs e a proteção dos direitos dos usuários no Brasil e na União Europeia [PDF]

open access: yes
O presente estudo propõe-se a formular uma análise crítica que envolvem as cláusulas de eleição de foro impostas pelas Big Techs nos contratos internacionais digitais através do denominado: ‘termo de uso”, e realizar um comparativo nas importantes e ...
Souza, Maurício Luiz do Nascimento de
core  

Underground Signals: The Ecological Power of Root Volatiles

open access: yesAdvanced Science, EarlyView.
Root volatiles mediate rhizosphere chemical communication, shaping interactions among plants, microbes, herbivores, and natural enemies. Their production, transport, and perception underpin ecological adaptation, multitrophic interactions, and plant resilience, offering opportunities for sustainable crop protection, resilient agroecosystems, and ...
Xueyao Cao   +31 more
wiley   +1 more source

ENTRE A DINÂMICA DAS BIG TECHS E A VIOLAÇÃO DE NEURODIREITOS NA ERA INFORMACIONAL

open access: yesVertentes do Direito
As redes sociais atualmente possuem um número elevado de usuários. No entanto, os efeitos a longo prazo do uso exacerbado de tais redes ainda são desconhecidos.
Clara Bonaparte Pedrosa
doaj   +1 more source

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