Investigación y Desarrollo: Envíos recientes
Mostrando ítems 1521-1540 de 5743
-
Article
Solid-State Preparation of Metal and Metal Oxides Nanostructures and Their Application in Environmental Remediation (2022)
(MDPI, 2022-02-01)Nanomaterials have attracted much attention over the last decades due to their very different properties compared to those of bulk equivalents, such as a large surface-to-volume ratio, the size-dependent optical, physical, ... -
Article
Design of new porous supramolecular arrays from flavyliums derivative linker. A theoretical assemble toward surface properties (2022)
(Elsevier B.V., 2022-03)Here, we attempt to design novel microporous framework materials, in this sense, such designs were carried out taking flavylium derivatives as corresponding linkers, which are assembled with the chosen well-known secondary ... -
Article
Profile of Mood States Factor Structure Does Not Accurately Account for Patients with Chronic Pain (2022)
(NLM (Medline), 2021-11-26)OBJECTIVE: The need for measuring emotional functioning in patients with chronic pain was recognized decades ago. The Initiative on Methods, Measures, and Pain Assessment in Clinical Trials (IMMPACT) proposed the Profile ... -
Article
Electrochemical Study of Butyl-Pyrene Nitrobenzoate Derivatives Trapped on MWCNT Nanostructured Electrodes (2022)
(IOP Publishing Ltd, 2021-12)In the scope of our studies tending to find new nanostructured electrodic platforms containing nitroaromatic compounds (NACs) capable of generating in situ electrocatalytic redox couples, we synthesized and electrochemically ... -
Article
Association between Agility, Health-Related Quality of Life, Depression, and Anthropometric Variables in Physically Active Older Adult Women with Depression (2022)
(MDPI, 2022-01)Introduction. Depressive disorders are mental disorders that last over time, and seriously affect the lives of the people who suffer from them, diminishing their quality of life, reducing their motor capacity, and ... -
Article
Photophysical characterization and in vitro anti-leishmanial effect of 5,10,15,20-tetrakis(4-fluorophenyl) porphyrin and the metal (Zn(II), Sn(IV), Mn(III) and V(IV)) derivatives (2022)
(Springer Science and Business Media B.V., 2022)In this report 5 compounds were synthesized and structural and their photophysical characterization was performed (ΦΔ and Φf). Furthermore, in this in vitro study, their biological activity against Leishmania panamensis ... -
Article
Aspiration before intramuscular vaccines injection, should the debate continue? (2022)
(Elsevier Doyma, 2022-01-01) -
Article
Autologous Tooth Dentin Graft: A Retrospective Study in Humans (2022)
(MDPI, 2022-01)Background and Objectives: The aim of this study is to evaluate the efficacy of an autologous dentin graft, via extracted teeth that are processed into bacteria-free particulate dentin in a Smart dentin grinder and then ... -
Article
Crystal structure, Hirshfeld surface analysis, and molecular dynamics simulations of two isostructural N-propargyl-4-(2-oxopyrrolidin-1-yl)-1,2,3,4-tetrahydroquinolines (2022)
(Elsevier B.V., 2022-04-15)Two new N-propargyl-4-(2-oxopyrrolidin-1-yl)-1,2,3,4-tetrahydroquinoline derivatives (4a and 4b), have been efficiently prepared through a one-pot InCl3-catalyzed cationic Povarov reaction between N-propargylanilines (1a ... -
Article
Photocatalytic performance of carbon-containing cumo-based catalysts under sunlight illumination (2022)
(MDPI, 2022-01)Carbon-doped nanostructured CuMo-based photocatalysts were prepared by solvother-mal synthesis. Two thermal treatments—oxidative and inert atmosphere—were used for the synthesis of the catalysts, and the influence of ... -
Article
Influence of Different Cooking Methods on Fillet Steak Physicochemical Characteristics (2022)
(MDPI, 2022-01-01)Meat is a source of protein widely consumed by the population in many countries due mainly to the nutritional aspects, sensory characteristics, and cultural aspects. The meat cooking preparation can promote significant ... -
Article
The effectiveness of a high-intensity interval games intervention in schoolchildren: A cluster-randomized trial (2022)
(John Wiley and Sons Inc, 2021)The aim of this study was to assess the effectiveness of a high-intensity interval training (HIIT) intervention based on playground games (MOVI-daFit!) on improvements in adiposity, physical fitness, and cardiometabolic ... -
Article
Effects of expanded vermiculite on the properties of fired bricks from water treatment sludge (2022)
(John Wiley and Sons Inc, 2021)In the present study, the suitability of using water treatment sludge (WTS) as the main raw material and expanded vermiculite (EV) as aggregate in the production of fired bricks was investigated. Mixtures containing between ... -
Article
Biological risk posed by internal tooth whitening (2022)
(Editorial Ciencias Medicas, 2021-09)Introduction: Internal tooth whitening has been a component of dental practice for several decades, but biological risks have been described about which not much evidence is available. Objective: Describe the biological ... -
Article
Adaptation to change questionnaire for nurses: Validation and new needs in the context of COVID-19 (2022)
(MDPI, 2021-12)Background: The worldwide pandemic caused by the SARS-CoV-2 coronavirus has chal-lenged healthcare systems and the professionals who work in them. This challenge involves strong changes to which nurses have had to quickly ... -
Article
Association between physical literacy and self-perceived fitness level in children and adolescents (2022)
(MDPI, 2021-12)Background: Physical fitness is considered a predictor of mortality and comorbidities resulting from physical inactivity in children and adolescents. Physical literacy provides a robust and comprehensive assessment of ... -
Article
Bibliometric analysis of studies on family firms (2022)
(Taylor and Francis Ltd., 2021)Several authors have highlighted the importance of family firms in the worldwide generation of wealth, wellbeing, and employment. Recently, the importance of family firms has resulted in the proliferation of many academic ... -
Article
Social Networks, Funas, Honor and Freedom of Expression: Critical Analysis of Chilean Supreme Court Judicial Standards (2022)
(Pontificia Universidad Catolica del Peru, 2021)This paper aims to fill the gap in Chilean literature and contribute to the systematization and critical analysis of the legal criteria and standards of how fundamental law norms have been applied on social networks ... -
Article
A Rothbardian approach for the assignment of property rights on the Antarctica continent (2022)
(Inderscience Publishers, 2021)The Antarctica continent is the only one which has not been officially distributed among States, remaining up till today in a legal frozen situation. Besides, the state-centric International Law and the States' interests ... -
Article
The burden of evaluating the solvency of the consumer in Chile and its legal concequences, in the light of the rules contained in the consumers rights protection law (2022)
(Ibero-American Law Institute, 2021-02)In the light of the regulations contained in the Law on the Protection of Consumer Rights, this paper analyzes whether or not there is a duty in Chile to assess the solvency of financial consumers. In its study, it looks ...