Results 51 to 60 of about 246,131 (378)
Advanced Materials, EarlyView.Transition metal oxy/carbo‐nitrides show great promise as catalysts for sustainable processes. A Mn‐Mo mixed‐metal oxynitride attains remarkable performance for the direct synthesis of acetonitrile, an important commodity chemical, via sequential C─N and C─C coupling from syngas (C1) and ammonia (N1) feedstocks.
M. Elena Martínez‐Monje +7 more
wiley +1 more source
Antimicrobial activity of Argentinean propolis against Staphylococcus isolated of canine otitis [PDF]
, 2014 Increasing resistance toward the available antibiotics by various microbial diseases pushed veterinarian to think about alternative therapies. Propolis is a natural compound well known since ancient times for its therapeutic effects and has been employed
Bedascarrasbure, E. +6 more
core +1 more source
Transient Charging of Mixed Ionic‐Electronic Conductors by Anomalous Diffusion
Advanced Materials, EarlyView.This article explores charge transport in mixed ionic‐electronic conductors (MIECs) through electrochemical impedance spectroscopy and transient current analysis. Focusing on PEDOT:PSS, WO3, and n‐doped PBDF, it uncovers the impact of anomalous diffusion via fractional modeling. The study reveals key correlations that deepen understanding and guide the
Heyi Zhang +9 more
wiley +1 more source
Optimización de la producción de poli (β-hidroxibutirato) a partir de glicerol [PDF]
, 2013 En este trabajo se ha realizado el diseño preliminar de una planta de producción de poli(β-hidroxibutirato), PHB, mediante el empleo de microorganismos y a partir de glicerol como materia prima.
Diaz, Maria Soledad +3 more
core +1 more source
, 2018 EnglishAbstract: Knowing the chemical reaction as a complex system is considered one of the aims of high school chemical education. This study aims to evaluate and understand this knowledge, considering the response given by 126 students who answered one
F. G. A. Meneses, I. Núñez
semanticscholar +1 more source
Desenvolvimento da química verde no cenário industrial brasileiro
Revista Fitos, 2018 A preocupação com as questões ambientais tem influenciado diretamente o desenvolvimento de novas tecnologias. A busca por um desenvolvimento sustentável tem levado a busca por metodologias que empreguem o conceito de Química Verde nos diferentes setores ...
Rachel Novaes Gomes +3 more
semanticscholar +1 more source
Kelvin Probe Force Microscopy in Bionanotechnology: Current Advances and Future Perspectives
Advanced Materials, EarlyView.Kelvin probe force microscopy (KPFM) enables the nanoscale mapping of electrostatic surface potentials. While widely applied in materials science, its use in biological systems remains emerging. This review presents recent advances in KPFM applied to biological samples and provides a critical perspective on current limitations and future directions for
Ehsan Rahimi +4 more
wiley +1 more source
Composição química das sementes de algumas cultivares de algodão do nordeste brasileiro. [PDF]
, 2015 bitstream/item/118239/1/composicao-quimica-das-sementes-nordeste ...
PEREIRA, D. A. +2 more
core
Um Estudo do Estado da Arte Sobre a Utilização do Lúdico em Ensino de Química
, 2017 O presente trabalho apresenta um estudo bibliografico das pesquisas academicas desenvolvidas em jogos e atividades ludicas no ensino de quimica no pais. Analisamos producoes academicas de programas de pos-graduacao, artigos de periodicos e publicacoes em
Marlon Soares +1 more
semanticscholar +1 more source
Advanced 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