Results 71 to 80 of about 1,395,927 (228)

Colaboradores

open access: yesEducación y Ciencia, 2011
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Educación y Ciencia
doaj   +1 more source

Electro‐Chemo‐Mechanical Coupling in Hf0.5Zr0.5O2 Ferroionic Heterostructures

open access: yesAdvanced Functional Materials, EarlyView.
Schematic of a ferroionic HZO heterostructure where epitaxial interfaces enable dynamic oxygen‐vacancy exchange, coupling ionic and ferroelectric degrees of freedom. Vacancy‐mediated polarization modulation biases HZO polymorphism, suppresses leakage, and enhances piezoelectric response, yielding distinct butterfly‐loop evolution and diode‐like ...
Achilles Bergne   +17 more
wiley   +1 more source

Construir ciência, construir o mundo [PDF]

open access: yes, 2014
A história dos encontros nacionais de História das Ciências e da Tecnologia é recente. Em Junho de 2009, sob a égide do Ministério da Ciência, Tecnologia e Ensino Superior, realizou-se o primeiro encontro, que decorreu no Centro Cultural de Macau, em ...
Andrade, António   +3 more
core  

Elucidating the Role of Surface Ligands on the Oxidative Etching of Au Bipyramids During Photothermia Using Liquid Cell Transmission Electron Microscopy

open access: yesAdvanced Functional Materials, EarlyView.
Gold bipyramids can act as efficient plasmonic nanoheaters, but they often reshape during laser heating. This study shows that oxygen nanobubbles drive oxidative etching and that surface ligands control stability. CTAB‐ and citrate‐coated particles blunt and lose optical performance, whereas polystyrene sulfonate preserves shape and heating by ...
Irene López‐Sicilia   +7 more
wiley   +1 more source

Ultrasmall Platinum Nanoparticles for Radiation‐Enhanced Cancer Therapy

open access: yesAdvanced Functional Materials, EarlyView.
This work proposes a nanomedicine‐based strategy to enhance X‐ray radiotherapy for cancer treatment. Ultrasmall Pt‐NPs exhibit catalase‐like activity that may contribute to modulation of the tumor microenvironment and amplify interactions between radiation and biological matter, leading to increased DNA damage.
Miguel Encinas‐Gimenez   +8 more
wiley   +1 more source

Contenido

open access: yesCiencia Política, 2006
Contenido del número 1, de enero a junio de ...
Política Ciencia
doaj  

Errata: EFEITO DO Lactobacillus plantarum NO TRATO INTESTINAL DE ALEVINOS DE Oreochromis niloticus

open access: yesCiência Animal Brasileira, 2015
Errata Errata: EFEITO DO Lactobacillus plantarum NO TRATO INTESTINAL DE ALEVINOS DE Oreochromis niloticus No artigo: JATOBA, Adolfo and MOURINO, José Luís Pedreira.
Ciencia Animal Brasileira
doaj   +1 more source

A ciência na literatura infantil e juvenil. O caso de Galileu Galilei [PDF]

open access: yes, 2015
ISSN 0214-7807, Boletín das Ciencias, ano XXVIII, nº 81A exploração de literatura relacionada com a Ciência na educação em Ciências é justificada com o potencial contributo na compreensão do conhecimento científico, do processo de construção da Ciência ...
Afonso, Ana Sofia   +1 more
core  

Giant Intrinsic Chirality Amplification of Aqueous Lead Halide Perovskite Nanocrystals via H‐Bond Driven Self‐Assembly Superstructures

open access: yesAdvanced Functional Materials, EarlyView.
Water‐assisted monoclinic CsPbBr3 transformation strategy is applied for synthesizing aqueous CsPbBr3/CsPb2Br5 nanocrystals with superior water‐repellent and excellent optical property. Low temperature enhanced hydrogen bonding network self‐assembled CsPbBr3/CsPb2Br5 nanocrystals into asymmetric superstructures, which exhibit notable circularly ...
Mei Huang   +7 more
wiley   +1 more source

Racionalismo renovado e homem novo: de Amorim Viana a Sampaio Bruno [PDF]

open access: yes, 2009
Universidade Católica PortuguesaFundação para a Ciência e a Tecnologia (FCT)Imprensa Naciona-Casa da Moeda (INCM)Fundação Calouste GulbenkianPrograma Opreacional Ciência e Inovação ...
Gama, Manuel
core  

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