Results 31 to 40 of about 202,211 (159)

Sistemas cuánticos individuales

open access: yesEducación Química, 2013
Individual Quantum Systems The Nobel Prize in Physics for 2012 was awarded to Serge Haroche and David J. Wineland “for ground-breaking experimental methods that enable measuring and manipulation of individual quantum systems”.
Jorge A. Campos
doaj   +1 more source

In Silico Screening of the DrugBank Database to Search for Possible Drugs against SARS-CoV-2

open access: yesMolecules, 2021
Coronavirus desease 2019 (COVID-19) is responsible for more than 1.80 M deaths worldwide. A Quantitative Structure-Activity Relationships (QSAR) model is developed based on experimental pIC50 values reported for a structurally diverse dataset.
Sebastián A. Cuesta   +2 more
doaj   +1 more source

Non-equilibrium critical behavior : An extended irreversible thermodynamics approach

open access: yes, 2009
Critical phenomena in non-equilibrium systems have been studied by means of a wide variety of theoretical and experimental approaches. Mode-coupling, renormalization group, complex Lie algebras and diagrammatic techniques are some of the usual ...
Bhalekar A.   +3 more
core   +1 more source

Imagen de la Física universitaria: el punto de vista del profesor y del alumno [PDF]

open access: yes, 2013
Este trabajo pretende indagar en algunos factores cognitivos y actitudinales que inciden en la elección y adaptación de los alumnos que ingresan en carreras científicas. Para ello se parte de una revisión teórica sobre las actitudes hacia la ciencia y la
García, José Antonio   +3 more
core   +3 more sources

GAS PHASE DECOMPOSITION OF T-BUTYL METHYL ETHER CATALYZED BY DIFFERENT HYDROGEN HALIDES: A DFT STUDY

open access: yesinfoANALITÍCA, 2022
The gas phase decomposition of t-butyl methyl ether catalyzed by hydrogen halides is studied. Four different hydrogen halides (fluorine, chlorine, bromine, and iodine) were evaluated to determine the electronic influence of the halogen in the reaction ...
Sebastian Adolfo Cuesta   +2 more
doaj   +1 more source

Los modelos teóricos en el diseño de una "química para todos" [PDF]

open access: yes, 2013
El presente trabajo forma parte de uno mayor (Fondecyt 1130759) en cual nos centramos en la aportación teórica que se deriva de las acciones que se llevan a cabo en la actividad experimental en química.
Izquierdo i Aymerich, Mercè   +1 more
core   +1 more source

Kelvin Probe Force Microscopy in Bionanotechnology: Current Advances and Future Perspectives

open access: yesAdvanced 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

Study of interaction energies between residues of the active site of Hsp90 and geldanamycin analogues using quantum mechanics/molecular mechanics methods [version 2; peer review: 2 approved]

open access: yesF1000Research, 2020
Background: Heat shock protein (Hsp90KDa) is a molecular chaperone involved in the process of cellular oncogenesis, hence its importance as a therapeutic target.
Ricardo Vivas-Reyes   +8 more
doaj   +1 more source

Acerca de la categoría ontológica de la sustancia química [PDF]

open access: yes, 2013
El objetivo del presente artículo consistirá en identificar la categoría ontológica de sustancia que subyace al discurso y la práctica de la química macroscópica.
Lewowicz, Lucía, Lombardi, Olimpia Iris
core  

A Cu‐Based Near‐IR Active MOF with an Ion‐Pair Guest Exhibiting Versatile and Selective Gas‐Solid Reactivity

open access: yesAdvanced Materials, EarlyView.
The new Cu‐containing MOF (Me2NH2)(CuICl2)@[Cu4(INA)4Cl2O]·1.5dmf (3) contains a cation and an anion as guests and shows UV‐near‐mid‐IR absorption and near‐IR emission. MOF 3 shows gas‐solid reactivity in the presence of NH3 and HCOOH to yield two new 3D MOF.
Rajat Saha   +10 more
wiley   +1 more source

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