Results 111 to 120 of about 66,582 (246)

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

Comentarios médicos

open access: yesRevista de la Facultad de Medicina, 1941
Empeñados en un noble esfuerzo nacional, los ministerios de la economía y del trabajo, higiene y previsión social vienen realizando una activa campaña por aumentar el consumo de café dentro del país.
Jorge Bejarano
doaj  

Do CCT Programmes Work in Low-Income Countries? [PDF]

open access: yes
Conditional cash transfer (CCT) programmes have worked fairly well in large upper middle-income countries such as Brazil and Mexico. But this does not mean that the CCT model can be exported to all countries, especially the poorest.
Simone Cecchini
core  

Opportunities of Semiconducting Oxide Nanostructures as Advanced Luminescent Materials in Photonics

open access: yesAdvanced Materials, EarlyView.
The review discusses the challenges of wide and ultrawide bandgap semiconducting oxides as a suitable material platform for photonics. They offer great versatility in terms of tuning microstructure, native defects, doping, anisotropy, and micro‐ and nano‐structuring. The review focuses on their light emission, light‐confinement in optical cavities, and
Ana Cremades   +7 more
wiley   +1 more source

Why Aid Does Not Increase Savings Rates in Sub-Saharan Africa? [PDF]

open access: yes
Since the mid-1980s, sub-Saharan Africa has had the lowest savings and investment rates of any region in the world. It has also been the recipient of the highest levels of Official Development Assistance relative to output. Hence, many analysts have been
John Serieux
core  

Parceria intersetorial em políticas sociais: o controle da frequência escolar no Programa Bolsa Família [PDF]

open access: yes, 2013
O estudo de caso examina a colaboração entre o Ministério da Educação e o Ministério do Desenvolvimento Social e Combate à Fome no Brasil para o acompanhamento do compromisso assumido pelas famílias beneficiárias de manter seus filhos na escola com a ...
Filgueiras, Cristina Almeida Cunha
core   +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

Interes gremial y regulación estatal. La formación de la Federación Nacional de Comerciantes 1945-1970

open access: yesAnuario Colombiano de Historia Social y de la Cultura, 1996
En el momento que se constituyó la Federación Nacional de Comerciantes, el 14 de mayo de 1945, la economía colombiana contaba con un importante desarrollo del mercado interno, a la vez se encontraba en una situación de crisis económica -que se expresaba ...
Oscar Rodríguez Sálazar
doaj   +2 more sources

Do CCT Programmes Have a Pro-Poor Spillover Effect? [PDF]

open access: yes
Conditional Cash Transfer programmes (CCTs), such as Progresa in Mexico or Bolsa Família in Brazil, have been compared to a ?magic golden bullet in development?.
Christian Lehmann
core  

Política industrial e tecnológica no Brasil: uma investigação dos determinantes das escolhas políticas. [PDF]

open access: yes, 2013
Projeto/Plano de Ação: 11.11.11 ...
BASSI, N. S. S.   +2 more
core  

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