Results 31 to 40 of about 22,950 (232)

Microscopic Insights into Magnetic Warping and Time‐Reversal Symmetry Breaking in Topological Surface States of Rare‐Earth‐Doped Bi2Te3

open access: yesAdvanced Materials, EarlyView.
Magnetic doping of the topological insulator Bi2Te3 with erbium adatoms induces out‐of‐plane magnetism and breaks time‐reversal symmetry, opening a Dirac gap and driving a Fermi surface transition from hexagonal to star‐of‐David geometry. Microscopy, spectroscopy, and magnetic dichroism reveal atomically controlled magnetic interactions that tailor the
Beatriz Muñiz Cano   +18 more
wiley   +1 more source

Mesoporous Silica Nanoparticles in Biomedicine: Advances and Prospects

open access: yesAdvanced Materials, EarlyView.
Mesoporous silica nanoparticles offer unique properties like high surface area, tunable pores, and functionalization. They excel in drug delivery, tissue engineering, and stimuli‐responsive therapies, enabling targeted and controlled treatments. With roles in cancer therapy and diagnostics, their clinical translation requires addressing challenges in ...
Miguel Manzano, María Vallet‐Regí
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

Comunidad posmoderna

open access: yes, 2023
Este ensayo filosófico desentraña nuestra ya madura posmodernidad desde sus raíces antropológico-culturales y describe críticamente sus principales secuelas en la sociedad contemporánea. Partiendo de las coordenadas sociales del mundo occidental (narcisismo, fragmentariedad, fluidez, capitalismo neoliberal, individualismo, aceleración, tecnocracia, etc.
Garrido Bermúdez, José María   +13 more
openaire   +4 more sources

PCATool: instrumento de avaliação da atenção primária

open access: yesRevista Brasileira de Medicina de Família e Comunidade, 2013
A Revista Brasileira de Medicina de Família e Comunidade (RBMFC)  encerra o ano de 2013 com uma edição em comemoração ao nascimento da Dra. Barbara Starfield em 18 de dezembro (18/12/1932 - 10/6/2011). A foto da capa, intitulada  “Desayuno en Buitrago de
Armando Henrique Norman   +1 more
doaj   +1 more source

Flexoelectrically Induced Polar Topology in Twisted SrTiO3 Membranes

open access: yesAdvanced Materials, EarlyView.
Twisted SrTiO3 bilayers host polar vortices of flexoelectric origin, revealed through combined experiment and theory. By reconstructing polarization from the toroidal moment of strain gradients, the work establishes a 3D chiral state with broken inversion and mirror symmetries.
Isabel Tenreiro   +13 more
wiley   +1 more source

OR-14 - ATUALIZAÇÃO VACINAL DOS ESTUDANTES INGRESSANTES DA ÁREA DA SAÚDE DA UNIVERSIDADE ESTADUAL DE CAMPINAS - UNICAMP

open access: yesBrazilian Journal of Infectious Diseases
Introdução: Os trabalhadores da saúde estão constantemente expostos a riscos ocupacionais e biológicos, sendo necessário, além das medidas universais de biossegurança, uma cobertura vacinal adequada.
Inajara de Cassia Guerreiro   +7 more
doaj   +1 more source

Atomistic Mechanisms Triggered by Joule Heating Effects in Metallic Cu‐Bi Nanowires for Spintronics

open access: yesAdvanced Materials, EarlyView.
Bi doped metallic Cu nanowires are promising for spintronics thanks to the stabilization of a giant spin Hall effect. However, heat resulting from current injection forces Bi to leave solution, forcing segregation into monoatomic decorations which evolve into coherent crystalline aggregates.
Alejandra Guedeja‐Marrón   +6 more
wiley   +1 more source

Autoconhecimento e autocura na perspectiva da ginecologia natural

open access: yesRevista Brasileira de Medicina de Família e Comunidade, 2023
A Ginecologia Natural, conhecida por ser uma ginecologia autônoma e política, é compreendida como um movimento político e pedagógico que questiona a aliança médico-farmacêutica e resgata saberes ancestrais, reivindicando o autoconhecimento como forma de
Daniele Calaça de Oliveira   +1 more
doaj   +1 more source

Comunidad de Comunidades: los judíos en México

open access: yesCuadernos Judaicos, 2016
Inmigrantes judíos llegados a México durante la primera mitad del siglo XX, formaron comunidades de acuerdo a sus lugares de origen, un estilo de vida que persiste hasta del día de hoy. Formaron una comunidad altamente organizada y cohesionada, bajo un alto rango de bienestar, que incluye servicios religiosos, educativos, culturales y más.
Renne Dayan, Deborah Roitman
openaire   +3 more sources

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