CIQSO
El Centro de Investigación en Química Sostenible (CIQSO), inaugurado el 17 de diciembre de 2012, depende de la Universidad de Huelva y de la Secretaría General de Universidades, Investigación y Tecnología de la Junta de Andalucía. Dedicado a la investigación en el campo de la química, ha sido denominado edificio “Robert H. Grubbs” en honor al Premio Nobel de Química.
En la actualidad, el CIQSO está constituido por tres grupos de investigación, cuyas líneas de trabajo se enmarcan en las áreas de Catálisis Homogénea, Contaminación Atmosférica y Fotoquímica.
La Química Sostenible puede considerarse como una filosofía de trabajo en la investigación, desarrollo y producción de sustancias químicas. La premisa fundamental que define dicha filosofía es
la siguiente: el diseño de productos y procesos debe realizarse de tal forma que se reduzcan el uso y la producción de sustancias peligrosas así como el consumo energético.
Todos los documentos están protegidos por derechos de autor y sujetos a la licencia Creative Commons
: Reconocimiento / Uso no comercial / Obra no
derivada.
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Photofunctional Scope of Fluorescent Dithienylethene Conjugates with Aza-Heteroaromatic Cations
(Wiley, 2023-04)A series of dithienylethene (DTE) photoswitches with aza-heteroaromatic cationic moieties is synthesized. The switches are characterized regarding their photochemical and photophysical properties in acetonitrile and in ... -
Metal Homeostasis and Exposure in Distinct Phenotypic Subtypes of Insulin Resistance among Children with Obesity
(MDPI, 2023-05)Background: Trace elements and heavy metals have proven pivotal roles in childhood obesity and insulin resistance. However, growing evidence suggests that insulin resistance could encompass distinct phenotypic subtypes. ... -
Study of PM2.5-bound polycyclic aromatic hydrocarbons and anhydro-sugars in ambient air near two Spanish oil refineries: Covid-19 effects
(Elsevier, 2023)We report the results from a 12 month-long study of the organic compounds associated to PM2.5 samples collected around two petroleum refineries (4 samples/month/site) in two complex industrial zones reporting atmospheric ... -
Exploring the association between circulating trace elements, metabolic risk factors, and the adherence to a Mediterranean diet among children and adolescents with obesity
(Frontiers Media, 2023-01)Diet is one of the most important modifiable lifestyle factors for preventing and treating obesity. In this respect, the Mediterranean diet (MD) has proven to be a rich source of a myriad of micronutrients with positive ... -
Altered Metal Homeostasis Associates with Inflammation, Oxidative Stress, Impaired Glucose Metabolism, and Dyslipidemia in the Crosstalk between Childhood Obesity and Insulin Resistance
(MDPI, 2022)Metals are redox-active substances that participate in central biological processes and may be involved in a multitude of pathogenic events. However, considering the inconsistencies reported in the literature, further ... -
Excited-State Dynamics in Borylated Arylisoquinoline Complexes in Solution and in cellulo
(Wiley, 2023)Two four-coordinate organoboron N,C-chelate complexes with different functional terminals on the PEG chains are studied with respect to their photophysical properties within human MCF-7 cells. Their excited-state properties ... -
PM10 Resuspension of Road Dust in Different Types of Parking Lots: Emissions, Chemical Characterisation and Ecotoxicity
(MDPI, 2023-02)The thoracic fraction of road dust (PM10) was measured for the first time in Portugal in parking areas, both outdoors and indoors, with the aim of completing existing studies carried out in active lanes of various roads. ... -
Impact of Potentially Toxic Compounds in Cow Milk: How Industrial Activities Affect Animal Primary Productions
(MDPI, 2023-04)Potentially toxic elements (PTEs) and polycyclic aromatic hydrocarbons (PAHs) frequently coexist in soils near industrial areas and sometimes in environmental compartments directly linked to feed (forage) and food (milk) ... -
Important Role of NH-Carbazole in Aryl Amination Reactions Catalyzed by 2‑Aminobiphenyl Palladacycles
(American Chemical Society (ACS), 2023-03)2-Aminobiphenyl palladacycles are among the most successful precatalysts for Pd-catalyzed cross-coupling reactions, including aryl amination. However, the role of NH-carbazole, a byproduct of precatalyst activation, remains ... -
Trace elements as potential modulators of puberty-induced amelioration of oxidative stress and inflammation in childhood obesity
(Wiley, 2023)Although puberty is known to influence obesity progression, the molecular mechanisms underlying the role of sexual maturation in obesity-related complications remains largely unexplored. Here, we delve into the impact ... -
Sexually dimorphic metal alterations in childhood obesity are modulated by a complex interplay between inflammation, insulin, and sex hormones
(Wiley, 2023)Although growing evidence points to a pivotal role of perturbed metal homeostasis in childhood obesity, sexual dimorphisms in this association have rarely been investigated. In this study, we applied multi-elemental ... -
Carbene-Controlled Regioselective Functionalization of Linear Alkanes under Silver Catalysis
(American Chemical Society, 2022)Control of the regioselectivity in the functionalization of C–H bonds of linear alkanes C2H2n+2 via carbene transfer from diazo compounds is restricted to the use of rhodium-based catalysts, which govern the reaction outcome ... -
The La Luna/Río Negro(.) Petroleum system at the Urdaneta West Field, lake Maracaibo basin, NW Venezuela: ID basin modelling and secondary oil migration
(Wiley, 2022)This paper investigates the timing of hydrocarbon generation in the northern part of the Urdaneta West field in the NW of the Lake Maracaibo Basin, NW Venezuela, based on ID basin modelling at three wells referred to as ... -
BASHY Dye Platform Enables the Fluorescence Bioimaging of Myelin Debris Phagocytosis by Microglia during Demyelination
(MDPI, 2021)Multiple sclerosis (MS) is a demyelinating disease of the central nervous system that is characterized by the presence of demyelinated regions with accumulated myelin lipid debris. Importantly, to allow effective ... -
PM2.5 chemical composition and health risks by inhalation near a chemical complex
(Elsevier, 2023)Particulate matter (PM2.5) samples were collected in the vicinity of an industrial chemical pole and analysed for organic and elemental carbon (OC and EC), 47 trace elements and around 150 organic constituents. On average, ... -
Intramolecular Interception of the Remote Position of Vinylcarbene Silver Complex Intermediates by C(sp3)−H Bond Insertion
(Wiley, 2022)The trapping of the elusive vinylogous position of a vinyl carbene with an aliphatic C(sp3)−H bond has been achieved for the first time during a silver-catalyzed carbene/alkyne metathesis (CAM) process. A Tpx-containing ... -
Photomodulation of ultrastable host–guest complexes in water and their application in light-controlled steroid release
(Royal Society of Chemistry, 2022)The cucurbit[8]uril (CB8) synthetic receptor is shown to form high-affinity host–guest complexes with dicationic dithienylethene (DTE) photoswitches in water. ITC experiments combined with computational studies suggest ... -
Simulation of the carbon dioxide hydrate-water interfacial energy
(Elsevier, 2022)Hypothesis: Carbon dioxide hydrates are ice-like nonstoichiometric inclusion solid compounds with importance to global climate change, and gas transportation and storage. The thermodynamic and kinetic mechanisms that ... -
Bis-borylated arylisoquinoline-derived dyes with a central aromatic core: towards efficient fluorescent singlet-oxygen photosensitizers
(Royal Society of Chemistry, 2022)Conveniently modified polycyclic aromatic hydrocarbon (PAH) fluorophores are obtained by a bromination–borylation sequence. The bis-borylated dyes show red-shifted absorption (λabs,max > 450 nm) and emission (λf,max > 500 ...