Results 41 to 50 of about 193,160 (256)

A stochastic approach to standardized precipitation index class transitions [PDF]

open access: yes, 2008
Floods and droughts are natural phenomena of difficult prevision. Awareness, mitigation and water resource management, depend upon timely information on the beginning of a dry or wet period and on their extension in time and space.
Abreu, Isabel   +2 more
core  

Facet‐Engineered S‐Scheme Heterostructure With Enhanced Active Sites for Efficient Photocatalytic Degradation of Organic Contaminants

open access: yesAdvanced Functional Materials, EarlyView.
The facet‐engineered ZnO/Zn3In2S6 heterostructure, dominated by {001} plane coupling, exposes abundant unsaturated Zn sites with elongated Zn─O bonds, directing photoexcited charge carriers along an S‐scheme pathway and suppressing recombination. Enhanced interfacial Zn adsorption toward bisphenol A and methylene blue further synergistically promotes ...
Yang Yang   +6 more
wiley   +1 more source

PIBID Pedagogia-UEL: promovendo a indissociabilidade entre ensino, pesquisa e extensão [PDF]

open access: yes, 2014
Anais do II Seminário Seminário Estadual PIBID do Paraná: tecendo saberes / organizado por Dulcyene Maria Ribeiro e Catarina Costa Fernandes — Foz do Iguaçu: Unioeste; Unila, 2014O PIBID – Programa Institucional de Bolsas de Iniciação à Docência ...
Biolo, Valéria Oliveira de Almeida   +2 more
core  

Effects of long-term creatine monohydrate supplementation on anaerobic performance of trained young adults [PDF]

open access: yes, 2010
O objetivo do presente estudo foi investigar o impacto de oito semanas de suplementação de creatina mono-hidratada (Crm) sobre o desempenho anaeróbio de adultos jovens treinados.
ALTIMARI, Juliana Melo   +7 more
core   +2 more sources

Multivalent Protein Nanorings for Broad and Potent SARS‐CoV‐2 Neutralization

open access: yesAdvanced Healthcare Materials, EarlyView.
A protein‐only, modular multivalent nanoscaffold displaying 20 anchor points, decorated with two different binders (10 of each), targeting the SARS‐CoV‐2 receptor‐binding domain is presented. The construct self‐assembles into stable, biocompatible, homogeneous nanoparticles, exhibit synergistic binding with fM IC50 values. It also detects spike at 9 ng 
Molood Behbahanipour   +11 more
wiley   +1 more source

A Tri‐Culture Heart‐on‐a‐Chip Platform With iPSC‐Derived Cardiac Cells for Predictive Cardiotoxicity Testing

open access: yesAdvanced Healthcare Materials, EarlyView.
This study presents the first entirely isogenic heart‐on‐chip, unifying cardiomyocytes, fibroblasts, and endothelial cells from a single iPSC source. The platform reveals a critical biological insight: the endothelium actively shields cardiac tissue from drug‐induced toxicity, challenging the predictive accuracy of conventional, avascular models for ...
Karine Tadevosyan   +12 more
wiley   +1 more source

Instabilidades e Não-Linearidades no Mercado Financeiro: Um estudo da Teoria do Caos aplicada ao Mercado de Câmbio [PDF]

open access: yes, 2015
TCC (graduação) - Universidade Federal de Santa Catarina. Centro Sócio-Econômico. Economia.Durante os últimos séculos ocorreram significativas mudanças no pensamento sobre a dinâmica não-linear, principalmente a partir dos anos 60 com o advento e ...
França, Tales Renato Cugler
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

COMBINAÇÃO DE SÉRIES TEMPORAIS DE ATRASO ZENITAL TROPOSFÉRICO EM TEMPO QUASE REAL: RESULTADOS PRELIMINARES

open access: yesRevista Brasileira de Cartografia, 2015
Um dos produtos meteorológicos advindos do processamento de alta precisão de dados GNSS é a estimativa do atraso zenital troposférico, o qual pode ser utilizado para quantificar o vapor d'água integrado na coluna atmosférica, importante medida para as ...
Vinicius Francisco Rofatto   +2 more
doaj  

Aplicação da análise de agrupamento de dados de expressão gênica temporal a dados em painel

open access: yesPesquisa Agropecuária Brasileira, 2011
O objetivo deste trabalho foi determinar a melhor alternativa, entre os métodos de agrupamento hierárquico (Ward) e de otimização (Tocher), para a formação de grupos homogêneos de séries de expressão gênica, e realizar previsões quanto à expressão gênica
Moysés Nascimento   +2 more
doaj   +1 more source

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