Listar Departament: Química Física i Analítica por título
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Dominant channels of exciton spin relaxation in photoexcited self-assembled (In,Ga)As quantum dots
American Physical Society (2011-04-22)We present a comprehensive theoretical investigation of spin relaxation processes of excitons in photoexcited self-assembled quantum dots. The exciton spin relaxations are considered between dark- and bright-exciton states ... -
Dopant segregation analysis on Sb:SnO2 nanocrystals
Wiley (2011-08-26)The development of reliable nanostructured devices is intrinsically dependent on the description and manipulation of materials properties at the atomic scale. Consequently, several technological advances are dependent on ... -
Double-crowned 2D semiconductor nanoplatelets with bicolor power-tunable emission
Springer Nature (2022)Nanocrystals (NCs) are now established building blocks for optoelectronics and their use as down converters for large gamut displays has been their first mass market. NC integration relies on a combination of green and red ... -
Drug use by music festival attendees: A novel triangulation approach using self-reported data and test results of oral fluid and pooled urine samples
Taylor & Francis (2019)Background: Self-reported data are commonly used when investigating illicit substance use. However, self-reports have well-known limitations such as limited recall and socially desirable responding. Mislabeling or ... -
Dynamic and Electrostatic Effects on the Reaction Catalyzed by HIV‑1 Protease
American Chemical Society (2016-11)HIV-1 Protease (HIV-1 PR) is one of the three enzymes essential for the replication process of HIV-1 virus, which explains why it has been the main target for design of drugs against acquired immunodeficiency syndrome ... -
Dynamic correlation networks in human peroxisome proliferator-activated receptor-γ nuclear receptor protein
Springer-Verlag (2010)Peroxisome proliferator-activated receptor-γ nuclear receptor (PPAR-γ) belongs to the superfamily of nuclear receptor proteins that function as ligand-dependent transcription factors and plays a specific physiological role ... -
Dynamic effects on reaction rates in a Michael Addition catalyzed by Chalcone Isomerase. Beyond the frozen environment approach
American Chemical Society (2008)We present a detailed microscopic study of the dynamics of the Michael addition reaction leading from 6′-deoxychalcone to the corresponding flavanone. The reaction dynamics are analyzed for both the uncatalyzed reaction ... -
Dynamics and Reactivity in Thermus aquaticus N6-Adenine Methyltransferase
American Chemical Society (2014)M.TaqI is a DNA methyltransferase from Thermus aquaticus that catalyzes the transfer of a methyl group from S-adenosyl-l-methionine to the N6 position of an adenine, a process described only in prokaryotes. We have used ... -
Eco-friendly Synthesis of Silver Nanoparticles and its Application in Hydrogen Photogeneration and Nanoplasmonic Biosensing
Wiley (2023-08-03)Environmentally friendly methods for silver nanoparticles (AgNPs) synthesis without the use of hazardous chemicals have recently drawn attention. In this work, AgNPs have been synthesized by microwave irradiation using ... -
Efecto de la fenformina sobre la corrosión electroquímica del hierro
Instituto Español de Corrosión y Protección (1991)Voltammetry provides quick information about the evolution of the iron electrodes subjected to different chemical treatments. Temporarily the dichromate protects it in acid medium whereas the protective action of the ... -
Effect of buffer nature and concentration on the chromatographic performance of basic compounds in the absence and presence of 1-hexyl-3-methylimidazolium chloride
Elsevier (2019-07-02)In reversed-phase liquid chromatography, the performance for basic compounds is affected by the interaction of the protonated (cationic) species with the anionic free silanols on the alkyl-bonded stationary phases. Using ... -
Effect of coverage and defects on the adsorption of propanethiol on Au(111) surface: a theoretical study
American Chemical Society (2011-12)Periodic density functional calculations have been carried out to investigate both the thiol adsorption on Au(111) surface and the reaction mechanism for the formation of the self-assembled monolayers, taking propanethiol ... -
Effect of interface alloying and band-alignment on the Auger recombination of heteronanocrystals
American Institute of Physics (AIP) (2012)We report a numerical study of the effect of interface alloying and band alignment on the Auger recombination processes of core/shell nanocrystals. Smooth interfaces are found to suppress Auger recombination, the strength ... -
Effect of polyvinyl alcohol on the shape, photoluminescence and photocatalytic properties of PbMoO4 microcrystals
Elsevier (2014)For this study, lead molybdate (PbMoO4) microcrystals were prepared by the co-precipitation method and processed using a conventional hydrothermal method at 100 °C for 10 min with polyvinyl alcohol (PVA) as the capping ... -
Effect of Pressure-Assisted Heat Treatment on Photoluminescence Emission of α-Bi2O3 Needles
American Chemical Society (2015-10)Materials with high photoluminescence (PL) intensity can potentially be used in optical and electronic devices. Although the PL properties of bismuth(III) oxide with a monoclinic crystal structure (α-Bi2O3) have been ... -
Effect of strain and variable mass on the formation of antibonding hole ground states in InAs quantum dot molecules
American Physical Society (2010-10-04)Using four-band k·p Hamiltonians, we study how biaxial strain and position-dependent effective masses influence hole tunneling in vertically coupled InAs/GaAs quantum dots. Strain reduces the tunneling and hence the critical ... -
Effect of synthesis methods of Co-modified TiO2 in its photocatalytic and bactericidal activity
Springer (2023-10-13)It is well known that a given material's synthesis method can change its catalytic properties. In this work, we demonstrated that Co-modified TiO2 (TiCo) showed photocatalytic activity and bactericidal for water decontamination. ... -
Effect-based evaluation of water quality in a system of indirect reuse of wastewater for drinking water production
Elsevier (2023-05)Indirect potable reuse of wastewater is a practice that is gaining attention, aiming to increase freshwater supplies to meet water scarcity. However, reusing effluent wastewater for drinking water production comes with a ... -
Effective approach for calculations of absolute stability of proteins using focused dielectric constants
John Wiley & Sons, Inc. (2009-11)The ability to predict the absolute stability of proteins based on their corresponding sequence and structure is a problem of great fundamental and practical importance. In this work, we report an extensive, refinement and ... -
Effective elimination of fifteen relevant pharmaceuticals in hospital wastewater from Colombia by combination of a biological system with a sonochemical process
Elsevier (2019)This work presents the treatment of selected emerging concern pharmaceuticals in real hospital wastewater (HWW) from Tumaco-Colombia by combination of a biological system with a sonochemical process. Fifteen compounds, ...