Results 1 to 10 of about 51,702 (181)

Green Energy by Hydrogen Production from Water Splitting, Water Oxidation Catalysis and Acceptorless Dehydrogenative Coupling

open access: yesInorganics, 2023
In this review, we want to explain how the burning of fossil fuels is pushing us towards green energy. Actually, for a long time, we have believed that everything is profitable, that resources are unlimited and there are no consequences.
Jesús Antonio Luque-Urrutia   +3 more
doaj   +1 more source

Controlling pairing of π-conjugated electrons in 2D covalent organic radical frameworks via in-plane strain

open access: yesNature Communications, 2021
Controlling the electronic states of molecules is a fundamental challenge for future sub-nanoscale device technologies but the external dynamical control of these states still awaits experimental realization.
Isaac Alcón   +5 more
doaj   +1 more source

La estructuración de una herramienta para la enseñanza de la química de bachillerato (EduQuim) utilizando la plataforma Moodle [PDF]

open access: yesIkastorratza.e-Revista de Didáctica, 2020
The EduQuim tool has been structured in Moodle with the B-learning modality in order to carry out research in the teaching and learning of Chemistry in high school students.
Mary Luz Tovar   +3 more
doaj   +1 more source

Thermoelectric properties through a wire composed of isoprene molecules

open access: yesAIP Advances, 2020
In this work, we study the electrical and thermoelectric properties through carbon bonds acting as nanowires derived from linear unsaturated organic molecules with a π conjugated system composed of isoprene molecules (NWIM) linked to leads.
Miguel Andrés Rivera Mateus   +2 more
doaj   +1 more source

Catalytic Oxidation of Primary C–H Bonds in Alkanes with Bioinspired Catalysts

open access: yesCHIMIA, 2020
Catalytic oxidation of primary C–H bonds of alkanes with a series of iron and manganese catalysts is investigated. Products resulting from oxidation of methylenic sites are observed when hexane (S1) is used as model substrate, while corresponding primary
Valeria Dantignana   +2 more
doaj   +1 more source

LA QUÍMICA COMPUTACIONAL COMO HERRAMIENTA PARA ENTENDER PROCESOS QUÍMICOS Y BIOQUÍMICOS A NIVEL MOLECULAR

open access: yesinfoANALITÍCA, 2020
Con el avance de la tecnología, la química computacional se ha convertido en pieza clave de las investigaciones científicas. Hoy en día, la química computacional ha logrado obtener métodos y algoritmo capaces de reducir errores en la predicción de ...
Sebastián Cuesta H., Lorena Meneses O.
doaj   +1 more source

Can We Safely Obtain Formal Oxidation States from Centroids of Localized Orbitals?

open access: yesMolecules, 2020
The use of centroids of localized orbitals as a method to derive oxidation states (OS) from first-principles is critically analyzed. We explore the performance of the closest-atom distance criterion to assign electrons for a number of challenging systems,
Martí Gimferrer   +2 more
doaj   +1 more source

Exfoliation Energy as a Descriptor of MXenes Synthesizability and Surface Chemical Activity

open access: yesNanomaterials, 2021
MXenes are two-dimensional nanomaterials isolated from MAX phases by selective extraction of the A component—a p-block element. The MAX exfoliation energy, Eexf, is considered a chemical descriptor of the MXene synthesizability. Here, we show, by density
Daniel Dolz   +3 more
doaj   +1 more source

Generalized Sparse Discriminant Analysis for Event-Related Potential Classification [PDF]

open access: yes, 2017
A brain computer interface (BCI) is a system which provides direct communication between the mind of a person and the outside world by using only brain activity (EEG).
Peterson, Victoria   +2 more
core   +1 more source

A Theoretical Analysis of Interaction Energies and Intermolecular Interactions between Amphotericin B and Potential Bioconjugates Used in the Modification of Nanocarriers for Drug Delivery

open access: yesMolecules, 2023
Amphotericin B (AmB) is an antibiotic with a wide spectrum of action and low multidrug resistance, although it exhibits self-aggregation, low specificity, and solubility in aqueous media. An alternative for its oral administration is its encapsulation in
Jennifer Cuellar   +3 more
doaj   +1 more source

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