Results 81 to 90 of about 1,241,908 (296)

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

Ingresso e permanência na Universidade: alunos com deficiências em foco

open access: yes, 2011
O estudo trata das politicas inclusivas inseridas na educacao brasileira a partir da decada de 1990 para os alunos com Necessidades Educacionais Especiais (NEE).
Laura Ceretta Moreira   +2 more
semanticscholar   +1 more source

Desafios das universidades empreendedoras: universidade tradicional x universidade corporativa x universidade empresa

open access: yes, 2009
Esta pesquisa teve como objetivo identificar na literatura os desafios das universidades que se consideram empreendedoras. Traça-se um paralelo entre os cenários das Universidades tradicionais, Universidades corporativas e Universidades empresas para contextualizar a visão empreendedora nestas.
Machado Wolf, Sérgio   +2 more
openaire   +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

Sofrimento psíquico na universidade, psicossociologia e Encontro de saberes

open access: yesSociedade e Estado
Resumo O artigo discute o sofrimento mental e o adoecimento geral da classe acadêmica no Brasil, propondo uma nova abordagem ao tema da saúde mental em dois pilares: de um lado, o Encontro de saberes, projeto implantado na Universidade de Brasília, em ...
José Jorge de Carvalho   +3 more
doaj   +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

Análise das inter-relações das patentes das universidades sob a perspectiva de mercado

open access: yesNavus: Revista de Gestão e Tecnologia, 2019
A Lei de Inovação 10.973/2004 propiciou às universidades o estímulo necessário para a promoção do desenvolvimento econômico do país. Consequentemente, permitiu aos professores pesquisadores das universidades públicas produzirem inovações como resultado ...
Antonio Martins Oliveira Junior   +1 more
doaj   +1 more source

Spin and Charge Control of Topological End States in Chiral Graphene Nanoribbons on a 2D Ferromagnet

open access: yesAdvanced Materials, EarlyView.
Chiral graphene nanoribbons on a ferromagnetic gadolinium‐gold surface alloy display tunable spin and charge states at their termini. Atomic work function variations and exchange fields enabe transitions between singlet, doublet, and triplet configurations.
Leonard Edens   +8 more
wiley   +1 more source

Bioorthogonal Photoactivation of 2‐Nitrobenzyl Caged Doxorubicin Anticancer Prodrugs on Gold Nanostars

open access: yesAdvanced Materials, EarlyView.
Bioorthogonal chemistry was applied to intracellularly photoactivate Doxorubicin (Dox) using gold nanostars (AuNSt) and near‐infrared (NIR) light. Two prodrugs were used: one photoactivatable, masked with 2‐nitrobenzyl carbamate (proDox1) and another photolabile, masked with 2‐nitrobenzyl diol (proDox2), which was attached to the AuNSt surface.
Juan José Esteve‐Moreno   +15 more
wiley   +1 more source

Universidad precaria, universidad sin futuro

open access: yes, 2018
Este libro aborda la situación de transformación constante en la que se encuentra la enseñanza superior en España, y cómo esto afecta al personal docente e investigador, tanto en su trabajo como en su vida.Con una aproximación cualitativa, el propósito del libro es profundizar en la problemática social que viven, identificando y analizando los factores
Castillo, Juan José, Moré, Paloma
openaire   +1 more source

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