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Departamento de Química "Profesor José Carlos Vílchez Martín": Recent submissions
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Single and joint effects of cadmium and selenium on bioaccumulation, oxidative stress and metabolomic responses in the clam Scrobicularia plana
Trombini, Chiara; Rodríguez Moro, Gema
; Ramírez Acosta, Sara; Gómez Ariza, José Luis; Blasco Moreno, Julián (Elsevier, 2022)
Selenium (Se) is a vital trace element for many living organisms inclusive of aquatic species. Although the antagonistic action of this element against other pollutants has been previously described for mammals and birds, ... -
Metallomic and Untargeted Metabolomic Signatures of Human Milk from SARS-CoV-2 Positive Mothers
Arias Borrego, Ana; Soto-Cruz, Francisco J.; Selma Royo, Marta; Bäuerl, Christine; García Verdevio, Elia; Pérez-Cano, Francisco J.; Lerin, Carles; Velasco López, Inés; Martínez-Costa, Cecilia; Collado, M. Carmen; García Barrera, Tamara (Wiley, 2022-06-29)
Scope: Lack of information about the impact of maternal severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection on the elemental and metabolomic profile of human milk (HM). Methods and results: An ... -
The Role of Microalgae in the Biogeochemical Cycling of Methylmercury (MeHg) in Aquatic Environments
Gojkovic, Živan; Skrobonja, Aleksandra; Funk, Christiane; Garbayo Nores, Inés; Vílchez Lobato, Carlos (MDPI, 2022-09)
Methylmercury (MeHg) is the most important and the most abundant organic Hg pollutant in the aquatic ecosystem that can affect human health through biomagnification. It is the most toxic organic Hg form, which occurs ... -
Enhanced wastewater bioremediation by a sulfur-based copolymer as scaffold for microalgae immobilization (AlgaPol)
León Vaz, Antonio; Cubero Cardoso, Juan; Trujillo Reyes, Ángeles; González Fermoso, Fernando; León Bañares, Rosa María; Funk, Christiane; Vigara Fernández, Javier; Urbano Baena, Juan (Elsevier, 2023)
In recent years, there has been an increasing concern related to the contamination of aqueous ecosystems by heavy metals, highlighting the need to improve the current techniques for remediation. This work intends to address ... -
Exploring Nordic microalgae as a potential novel source of antioxidant and bioactive compounds
León Vaz, Antonio; León Bañares, Rosa María; Vigara Fernández, Javier; Funk; Funk, Christiane (Elsevier, 2023)
Nordic microalgae are a group of photosynthetic organisms acclimated to growth at low temperature and in varying light conditions; the subarctic climate offers bright days with moderate temperatures during summer and cold ... -
Hollow-Fiber Liquid-Phase Micro-Extraction Method for the Simultaneous Derivatization, Extraction, and Pre-concentration of Organotin Compounds from Packed Fruit Juices
González Domínguez, Raúl; Sayago Gómez, Ana; Santos-Martín, María; Fernández Recamales, María Ángeles (Springer, 2022)
Organotin compounds are widely employed as pesticides and fungicides in agriculture and as stabilizers for the industrial manufacture of polyvinyl chloride and other polymers. Accordingly, these endocrine disruptors can ... -
Maurice Brookhart: A Legacy to Organometallic Chemistry
(American Chemical Society, 2022-11-28) -
Mice brain metabolomics after the exposure to a “chemical cocktail” and selenium supplementation through the gut-brain axis
Parra Martínez, Cecilio; Selma Royo, Marta; Callejón Leblic, María Belén; Collado, Maria Carmen; Abril, Nieves; García Barrera, Tamara (Elsevier, 2022-09-15)
Several environmental pollutants have been shown to damage brain and affect gut microbiota. Limited evidence is available about the impact of “chemical cocktails” (CC) of xenobiotics on brain metabolome and their possible ... -
(NHC)M Cores as Catalysts for the Olefin Aziridination Reaction (M= Cu, Ag, Au): Evidencing a Concerted Mechanism for the Nitrene Transfer Process
Pérez Ruíz, Jorge; Díaz Requejo, María Mar; Pérez Romero, Pedro José (American Chemical Society, 2022-11-28)
Complexes [(NHC)MCl] (M = coinage metal) have been evaluated as catalyst for the olefin aziridination reaction using PhI=NTs as nitrene source, with moderate to high activity being found depending of the metal and the ... -
Micellar Catalysis as a Tool for C-H Bond Functionalization To-ward C-C Bond Formation
Borrego, Elena; Caballero Bevia, Ana; Pérez Romero, Pedro José (American Chemical Society, 2022-11-28)
Micelles generated upon dissolving surfactants in water can be employed as nano-vessels for catalytic transformations, in the so-called micellar catalysis methodology. This review is focused onto the use of micellar ... -
Gold nanoparticle-catalysed functionalization of carbon-hydrogen bonds by carbene transfer reactions
Martínez Laguna, Jonathan; Mollar Cuni, Andres; Ventura Espinosa, David; Martín, Santiago; Caballero Bevia, Ana; Mata, Jose A.; Pérez Romero, Pedro José (Royal Society of Chemistry, 2022-02-23)
Gold nanoparticles stabilized by NHC ligands and supported onto reduced graphene oxide (rGO) catalyse the functionalization of cyclohexane and benzene C-H bonds upon insertion of carbene CHCO2Et (from N2=CHCO2Et) groups. ... -
Direct Benzene Hydroxylation with Dioxygen Induced by Copper Complexes: Uncovering the Active Species by DFT Calculations
Borrego, Elena; Tiessler Sala, Laura; Lázaro, Jesús J.; Caballero Bevia, Ana; Pérez Romero, Pedro José; Lledós, Agustí (America Chemical Society, 2022-07-14)
The direct oxidation of benzene into phenol using molecular oxygen at very mild temperatures can be promoted in the presence of the copper complex TpBr3Cu(NCMe) in the homogeneous phase in the presence of ascorbic acid as ... -
Efect of low‑frequency ultrasound on disaggregation, growth and viability of an extremotolerant cyanobacterium
Robles, María; Garbayo Nores, Inés; Wierzchos, Jacek; Vílchez Lobato, Carlos; Cuaresma Franco, María (Springer, 2022)
The eficacy of low-frequency ultrasound pulses in cell disaggregation of Chroococcidiopsis sp. aggregates has been studied as a possible strategy to improve the productivity and operation of the cultures. The modulation ... -
Toward Light-Controlled Supramolecular Peptide Dimerization
Fernandes, Rita J.; Remón, Patricia; Moro, Artur J.; Seco, André; Ferreira, Ana S. D.; Pischel, Uwe; Basílio, Nuno (American Chemical Society, 2021-06-01)
The selective photodeprotection of the NVoc-modified FGG tripeptide yields the transformation of its 1:1 receptor−ligand complex with cucurbit[8]uril into a homoternary FGG2@CB8 assembly. The resulting lightinduced ... -
Selective Functionalization of Arene C(sp2 )−H Bonds by Gold Catalysis: The Role of Carbene Substituents
Pizarro Javier, Juan Diego; Schmidtke, Inga L.; Nova, Ainara; Romero Fructos-Vázquez, Manuel; Pérez Romero, Pedro José (American Chemical Society, 2022-05-25)
The complete regioselective incorporation of carbene units to nonactivated arene rings has been achieved employing gold(I) catalysts bearing alkoxydiaminophosphine ligands, with readily available, nonelaborated ethyl ... -
Introducing the Catalytic Amination of Silanes via Nitrene Insertion
Rodríguez, Anabel. M; Pérez Ruíz, Jorge; Molina, Francisco; Poveda, Ana; Pérez Soto, Raúl; Maseras, Feliu; Díaz Requejo, María Mar; Pérez Romero, Pedro José (American Chemical Society, 2022-06-01)
The direct functionalization of Si−H bonds by the nitrene insertion methodology is described. A copper(I) complex bearing a trispyrazolylborate ligand catalyzes the transfer of a nitrene group from PhINTs to the Si−H bond ... -
Potential release and bioaccessibility of metal/loids from mine wastes deposited in historical abandoned sulfide mines
Ruiz Cánovas, Carlos; Quispe Guzmán, Dino Lucio; Macías Suárez, Francisco; Callejón Leblic, María Belén; Arias Borrego, Ana; García Barrera, Tamara; Nieto Liñán, José Miguel (Elsevier, 2022)
This study deals with the potential release of metal/loids from sulfide mine wastes upon weathering and the health risks associated with their accidental ingestion. To address this, a complete chemical and mineralogical ... -
Mechanistic Studies on the Synthesis of Pyrrolidines and Piperidines via Copper-Catalyzed Intramolecular C–H Amination
Muñoz Molina, José María; Bafaluy, Daniel; Funes Ardoiz, Ignacio; Aguirre, Adiran J. de; Maseras, Feliu; Rodríguez Belderraín, Tomás; Pérez Romero, Pedro José; Muñiz, Kilian (American Chemical Society, 2022)
We have recently developed a method for the synthesis of pyrrolidines and piperidines via intramolecular C–H amination of N-fluoride amides using [TpxCuL] complexes as precatalysts [Tpx = tris(pyrazolyl)borate ligand and ... -
Promising Chalcogenide Hybrid Copolymers for Sustainable Applications as Bio-lubricants and Metal Adsorbents
Cubero Cardoso, Juan; Cuadri Vega, Antonio Abad; González Fermoso, Fernando; Martín Alfonso, José Enrique; Urbano Baena, Juan (American Chemical Society, 2022)
Inverse vulcanization has emerged as a reaction to achieve hybrid inorganic–organic polymeric materials, which allows us to use the high amount of sulfur produced during refining crude oil as a raw material. In this study, ... -
Impact of “chemical cocktails” exposure in shaping mice gut microbiota and the role of selenium supplementation combining metallomics, metabolomics, and metataxonomics
Arias Borrego, Ana; Selma Royo, Marta; Collado, Maria Carmen; Abril, Nieves; García Barrera, Tamara (Elsevier, 2022-06-20)
Biological systems are exposed to a complex environment in which pollutants can interact through synergistic or antagonistic mechanisms, but limited information is available on the combined effects. To this end, ...
