Artículos científicos: Envíos recientes
Mostrando ítems 1881-1900 de 5726
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Article
Reply to ‘Comment on “Structural characterization, reactivity, and vibrational properties of silver clusters: A new global minimum for Ag16”’ by P. V. Nhat, N. T. Si, L. V. Duong and M. T. Nguyen,Phys. Chem. Chem. Phys., 2021,23, DOI: D1CP00646K (2021)
(Royal Society of Chemistry, 2021-06-14)Recently, P. V. Nhatet al., have discussed and commented on our article (DOI: 10.1039/D0CP04018E) for the case of the most stable structure of Ag15. They have found a new most stable structure (labeled as 15-1) in comparison ... -
Article
Confocal laser scanning microscopy as a novel tool of hyperspectral imaging for the localization and quantification of fluorescent active principles in pharmaceutical solid dosage forms (2021)
(Elsevier Inc., 2021-09)Confocal laser scanning microscopy (CLSM) supported with multivariate analysis is proposed as hyperspectral imaging technique to identify, locate, and quantify, in a direct way, active pharmaceutical ingredients (APIs) in ... -
Article
Sustainable manufacture of scalable product families based on modularity (2021)
(Elsevier Ltd, 2021-11)This article presents a redesign methodology based on modularity to minimize resource consumption and reuse components, avoiding the need to replace a whole product with another with higher functional performance. The ... -
Article
Upgrading of pine tannin biochars as electrochemical capacitor electrodes (2021)
(Academic Press Inc., 2021-11)Biochar derived from the pyrolysis of pine tannin is a green and available by-product of oil manufacturing that presents interesting features after having been activated by KOH at 650 °C. Different weight ratios of KOH to ... -
Article
Efonidipine Exerts Cerebroprotective Effect by Down-regulation of TGF-β/SMAD-2-Dependent Signaling Pathway in Diabetic Rats (2021)
(Humana Press Inc., 2021)Calcium overload and hyperglycemia are risks of stroke onset in diabetics. Our study was designed to elucidate the beneficial role of calcium channel blockers by targeting voltage-gated calcium channels in diabetes-associated ... -
Article
New nanocomposite made of cashew apple bagasse lignin and Fe3O4 for immobilizing of lipase B from Candida antarctica aiming at esterification (2021)
(John Wiley and Sons Ltd, 2021)BACKGROUND: Novel magnetite-lignin hybrid materials were synthesized using lignin from cashew apple bagasse (CAB) and iron oxide nanoparticles (magnetite, Fe3O4). The new material, termed MNs/Lig (magnetite conjugated with ... -
Article
[As3M(As3Pb3)]3− (M = Nb, Ta): Ternary Heterometallic Clusters with Early Transition Metal Atoms and Aromatic [Pb3]2− (2021)
(Shanghai Institute of Organic Chemistry, 2021)Two ternary clusters, [As3Nb(As3Pb3)]3− 1 and [As3Ta(As3Pb3)]3− 2, were directly extracted from “K8NbPbAs5” and “K8TaPbAs5” intermetallic solid in the presence of ethylenediamine and 2.2.2-crypt, respectively. Both 1 and ... -
Article
Unilateral termination of long-term contracts in the unidroit principles of international commercial contracts 2016 (2021)
(Universidad Nacional Autonoma de Mexico, 2021)This paper deals with the regu-lation of unilateral termination of long-term contracts within the fourth edition of the UNIDROIT Principles for commercial international contracts (PICC) of 2016. In particular, the work ... -
Article
Evaluation of cell wall modification in two strawberry cultivars with contrasted softness (2021)
(MDPI AG, 2021)During the ripening process of fruit, the solubilization and depolymerization of cell wall components takes place, which results in the loss of firmness or the softening of fruit. Recently, we reported that two different ... -
Article
Effects of a multicomponent program on anthropometric measures, physical fitness and health-related quality of life in older people (2021)
(Sociedad espanola de dietetica, 2021-03-20)Introduction: Aging causes, among other changes, a decrease in muscle mass and a reduction in functional independence. Regular physical activity is considered an essential tool for healthy aging. Aim: To analyze the effects ... -
Article
A simple method to estimate the mean number of lipophilic molecules on nanoparticle surfaces by fluorescence measurements (2021)
(NLM (Medline), 2021-05-14)Measurements of fluorescence intensity of the hydrophobic pyridinium salt (DTPSH) remaining in the organic phase after partition experiments in the DCM/H2O system allowed an approximate method to be developed to estimate ... -
Article
Motion-induced inertial effects and topological phase transitions in skyrmion transport (2021)
(NLM (Medline), 2021-05-28)When the skyrmion dynamics beyond the particle-like description is considered, this topological structure can deform due to a self-induced field. In this work, we perform Monte Carlo simulations to characterize the skyrmion ... -
Article
Couples extrinsic emotion regulation questionnaire: Psychometric validation in a Chilean population (2021)
(Public Library of Science, 2021-06)The way couples regulate their emotions affects the quality of their relationship. Despite this, no evidence-based scales of validity and reliability can measure the intention to regulate emotions in the romantic dyad. In ... -
Article
Impact of COVID-19 on sustainable university sports: Analysis of physical activity and positive and negative affects in athletes (2021)
(MDPI AG, 2021-06-01)The suspension of university activities due to the pandemic affected training and sports competitions. However, some universities adapted online education, allowing students to carry out their activities without being ... -
Article
Hearing loss and alcohol consumption in women between 20 and 40 years of age, in the commune of Temuco, Chile (2021)
(Universidad de Antioquia, 2020-05)Objective: To analyze the relationship between alcohol consumption and loss hearing in women between 20 and 40 years of age in Temuco city. Methodology: Cutting study. We evaluated 30 consuming and non alcoholic women ... -
Article
Impact of early childhood caries on oral health-related quality of life: A systematic review and meta-analysis (2021)
(Blackwell Publishing Inc., 2021)Objectives: The aim of this study was to conduct a systematic review in order to assess the impact of early childhood caries (ECC) and its severity on Oral health-related quality of life (OHRQoL). Materials and Methods: ... -
Article
Photodynamic effect of 5,10,15,20-tetrakis(4-carboxyphenyl)porphyrin and (Zn2+ and Sn4+) derivatives against Leishmania spp in the promastigote stage: experimental and DFT study (2021)
(Springer Science and Business Media Deutschland GmbH, 2021)In this work, we synthesized the meso-(aryl) porphyrin derivative 5,10,15,20-tetrakis(4-carboxyphenyl)porphyrin (TCPP) and two meso-(aryl) metalloporphyrins, TCPP-Zn(II) and TCPP-Sn(IV), with reaction yields between 33.91 ... -
Article
Professional quality of life, self-compassion, resilience, and empathy in healthcare professionals during COVID-19 crisis in Spain (2021)
(John Wiley and Sons Inc, 2021)The coronavirus pandemic has exposed healthcare professionals to suffering and stressful working conditions. The aim of this study was to analyze professional quality of life among healthcare professionals and its relationship ... -
Article
Prediction of student attrition risk using machine learning (2021)
(Emerald Group Holdings Ltd., 2021)Purpose: The prediction of student attrition is critical to facilitate retention mechanisms. This study aims to focus on implementing a method to predict student attrition in the upper years of a physiotherapy program. ... -
Article
Effect of sensorimotor rehabilitation based on an immersive virtual reality model on mental health (2021)
(John Wiley and Sons Ltd, 2021)The aim of this study was to determine the immersive virtual reality-based sensorimotor rehabilitation (IVR-SRB) effect on mental health (global mental health, depression, anxiety and well-being) in older adults. Methods: ...