Results 41 to 50 of about 1,222 (189)

Mudanças climáticas e alimentação na agenda dos ministérios brasileiros [PDF]

open access: yesRevista de Administração Pública
Resumo Os impactos das Mudanças Climáticas (MC) na produção agrícola, no acesso e no preço de alimentos e, consequentemente, na Segurança Alimentar e Nutricional (SAN) são cada vez mais frequentes e evidentes.
Catia Grisa   +2 more
doaj   +4 more sources

Intelligent Orthopedics: Machine Learning in Diagnosis of Bone Disease, Implants, and Bone Health Monitoring

open access: yesAdvanced Healthcare Materials, EarlyView.
Efficient recovery from traumatic or degenerative diseases is a great challenge, even after all the advancements in bone and cartilage regeneration. Machine learning (ML) algorithms have presented opportunities to enhance these aspects by accurately analyzing imaging data.
Maryam Kamaei   +9 more
wiley   +1 more source

Administraciones públicas en TikTok. Comunicación, narrativa y frecuencia de publicación de los perfiles de los ministerios de España

open access: yesRevista de Comunicación
El interés de las Administraciones públicas por interactuar y generar conversación con los ciudadanos ha propiciado la apertura de perfiles en redes sociales.
Nadia Alonso-López   +2 more
doaj   +1 more source

A Lightweight, 3D‐Printable, Low‐Cost, “One‐Click” Dorsal Skin Window for High‐Quality Long‐Term Multimodal Subcutaneous Tumor Imaging

open access: yesAdvanced Healthcare Materials, EarlyView.
An innovative, lightweight 3D‐printed skinfold chamber system is presented for long‐term intravital imaging. This affordable, biocompatible platform simplifies surgical implantation and allows high‐resolution, multimodal visualization of the tumor microenvironment for up to four weeks.
Iván Cortés Domínguez   +9 more
wiley   +1 more source

Las políticas de enseñanza de prácticas periodísticas y la producción de periódicos escolares en Argentina y Brasil

open access: yesSigno y Seña, 2019
La introducción de prácticas de lenguaje como contenidos curriculares en Argentina y Brasil, a partir de la década de los 90, implica la elección de formas de representar, textualizar y enseñar las mismas.
Adair Bonini
doaj   +1 more source

Spiro‐Phenothiazine Hole‐Transporting Materials: Unlocking Stability and Scalability in Perovskite Solar Cells

open access: yesAdvanced Materials, EarlyView.
Fluorene‐functionalized spiro‐phenothiazine (PTZ‐Fl) exhibits strong Li+ affinity and thermal stability, enabling a PCE of 25.75% in small‐area cells and 22.07% in 25 cm2 modules. Under ISOS‐L3 conditions, PTZ‐Flbased devices retain over 80% efficiency after 1000 hours, demonstrating superior stability and scalability compared to spiro‐OMeTAD for next ...
Javier Urieta‐Mora   +17 more
wiley   +1 more source

O poder no Executivo: uma análise do papel da Presidência e dos Ministérios no presidencialismo de coalizão brasileiro (1995-2010)

open access: yesOpinião Pública, 2013
Qual o papel da Presidência e dos Ministérios na produção legislativa do Poder Executivo? Com base em uma abordagem transacional sobre a relação entre o Presidente e os ministros, busca-se, a partir da identificação da autoria das iniciativas ...
Mariana Batista
doaj   +1 more source

Artificial Intelligence‐Assisted Workflow for Transmission Electron Microscopy: From Data Analysis Automation to Materials Knowledge Unveiling

open access: yesAdvanced Materials, EarlyView.
AI‐Assisted Workflow for (Scanning) Transmission Electron Microscopy: From Data Analysis Automation to Materials Knowledge Unveiling. Abstract (Scanning) transmission electron microscopy ((S)TEM) has significantly advanced materials science but faces challenges in correlating precise atomic structure information with the functional properties of ...
Marc Botifoll   +19 more
wiley   +1 more source

Role of Liquid Composition in the Transient Liquid Assisted Growth of Superconducting YBa2Cu3O7‐δ Films

open access: yesAdvanced Materials, EarlyView.
The Y supersaturation in the [Ba‐Cu(I/II)‐O] transient liquid composition is the driving force toward YBCO nucleation and growth in TLAG. Tuning the initial (Ba:Cu) molar ratio in the ink composition determines the YBCO epitaxial nucleation through supersaturation control.
Lavinia Saltarelli   +12 more
wiley   +1 more source

Counterintuitive Fluorescence Blue Shift in Symmetry Breaking Dicationic Bis(indolium) with Two‐Photon Absorption Properties for NIR Living Cell Imaging

open access: yesAdvanced Materials, EarlyView.
Highly water‐soluble dicationic bis(indolium) dyes have been prepared, showing excellent two‐photon absorption and light emission. Their fluorescence behavior discloses an unusual increasing blue shift with increasing solvent polarity, which, in parallel, is beneficial for enhanced detection in biological media.
Carlos Benitez‐Martin   +5 more
wiley   +1 more source

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