Results 41 to 50 of about 211,430 (169)

Alterations in Lipid Levels of Mitochondrial Membranes Induced by Amyloid‐β: A Protective Role of Melatonin

open access: yesInternational Journal of Alzheimer’s Disease, Volume 2012, Issue 1, 2012., 2012
Alzheimer pathogenesis involves mitochondrial dysfunction, which is closely related to amyloid‐β (Aβ) generation, abnormal tau phosphorylation, oxidative stress, and apoptosis. Alterations in membranal components, including cholesterol and fatty acids, their characteristics, disposition, and distribution along the membranes, have been studied as ...
Sergio A. Rosales-Corral   +8 more
wiley   +1 more source

Amenazas nucleares, biológicas y químicas, una estrategia de manejo

open access: yesRevista Científica General José María Córdova, 2018
Esta investigación revisa la importancia que tiene elaborar un manual del Ejército colombiano para controlar el riesgo y las amenazas nucleares, biológicas o químicas (NBQ).
John Aldrin Hernández Méndez
doaj   +1 more source

As Armas Não Letais como Abordagem Temática para o Ensino de Química [PDF]

open access: yes, 2017
Nos últimos anos o Brasil acompanhou uma série de manifestações reivindicando a melhoria na qualidade dos serviços públicos. Como resposta a essas manifestações houve uma intensa abordagem policial, com o uso de armas não letais, como o gás lacrimogêneo ...
Razuck, Fernando Barcellos   +1 more
core   +2 more sources

Mechanisms for the Spin‐State Switching of Strapped Ni‐Porphyrin Complexes Deposited on Metal Surfaces: Insights from Quantum Chemical Calculations

open access: yesSmall, Volume 21, Issue 2, January 15, 2025.
State‐of‐the‐art quantum chemistry methods are used to characterize the spin switching of strapped Ni porphyrin molecules deposited on Ag(111) surface. The LS and HS states are related by a vertical shift of the pyridine ligand, that modifies the Ni coordination number and promotes the spin transition. The voltage‐dependent spin switching is related to
Nicolás Montenegro‐Pohlhammer   +3 more
wiley   +1 more source

A difusão da indústria nuclear: considerações preliminares aos programas latino-americanos [PDF]

open access: yesBrazilian Journal of Political Economy
RESUMO A difusão da tecnologia nuclear significa mais o desenvolvimento de uma grande rede de atividades (por exemplo, bens de capital, construção, indústrias metalúrgicas e químicas) do que um caminho para a solução de problemas energéticos.
CESARE G. GALVAN
doaj   +1 more source

The rejection of conflict in the western normative horizon and the consequent construction of Bashar al-Assad as a foe [PDF]

open access: yes, 2015
El objetivo del siguiente artículo es analizar la construcción discursiva que los líderes políticos de Estados Unidos, Francia, y Reino Unido llevaron a cabo respecto al presidente sirio Bashar al-Asad en el contexto de los dos primeros años de la ...
Estébanez, José Francisco   +1 more
core   +1 more source

Land Use Change Consistently Reduces α‐ But Not β‐ and γ‐Diversity of Bees

open access: yesGlobal Change Biology, Volume 31, Issue 1, January 2025.
We analyzed a global dataset of 3117 bee assemblages across 157 studies to assess how bee diversity varies among natural, agricultural, and urban habitats. We measured diversity using both the number of bee taxa (taxonomic diversity) and their evolutionary relationships (phylogenetic diversity).
Toby P. N. Tsang   +143 more
wiley   +1 more source

Understanding the Reverse Water Gas Shift Reaction over Mo2C MXene Catalyst: A Holistic Computational Analysis

open access: yesChemCatChem, Volume 16, Issue 15, August 12, 2024.
The catalytic performance of Mo2C MXene for reverse water gas shift (RGWS) reaction is computationally assessed on an holistic fashion, unveiling the reaction mechanism and its thermodynamics through density functional theory (DFT) calculations on suitable models, and gaining information about kinetics, and dynamics aspects by means of mean‐field ...
Daniel Dolz   +6 more
wiley   +1 more source

Abstracts

open access: yesMolecular Oncology, Volume 19, Issue S1, Page 1-940, June 2025.
Abstracts submitted to the ‘EACR 2025 Congress: Innovative Cancer Science’, from 16–19 June 2025 and accepted by the Congress Organising Committee are published in this Supplement of Molecular Oncology, an affiliated journal of the European Association for Cancer Research (EACR).
wiley   +2 more sources

Comunidad Internacional, Oriente Próximo y cultura de paz [PDF]

open access: yes, 2015
Este número es el resultado del III Congreso de Cultura de Paz, titulado Comunidad Internacional, Oriente Próximo y cultura de paz, organizado por el Instituto de Estudios Internacionales y Europeos “Francisco de Vitoria” de la Universidad Carlos III ...
Fernández Liesa, Carlos R.   +7 more
core   +2 more sources

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