Listar Departament: Química Física i Analítica por título
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An improved method for preparation of SrTiO3 nanoparticles
Elsevier (2011)SrTiO3 nanoparticles were synthesized for the first time via a modified polymeric precursor method. The samples were characterized by thermogravimetry, X-ray diffraction (XRD), BET surface area, micro-Raman spectroscopy, ... -
Application of a liquid chromatographic procedure for the analysis of penicillin antibiotics in biological fluids and pharmaceutical formulations using sodium dodecyl sulphate/propanol mobile phases a.
© 2010 Elsevier (2011-07)A direct injection liquid chromatography procedure was developed for the simultaneous determination of four penicillin antibiotics (amoxicillin, ampicillin, cloxacillin and dicloxacillin) in pharmaceutical formulations and ... -
Application of catalytic ozonation using Y zeolite in the elimination of pharmaceuticals in effluents from municipal wastewater treatment plants
Elsevier (2024)Catalytic ozonation using faujasite-type Y zeolite with two different SiO2/Al2O3 molar ratios (60 and 12) was evaluated for the first time in the removal of 25 pharmaceutical compounds (PhCs) present in real effluents from ... -
Application of micellar liquid chromatographic method for rapid screening of ceftriaxone, metronidazole, amoxicillin, amikacin and ciprofloxacin in hospital wastewater from Sagar District, India
Elsevier (2022-06)The present research work mainly highlights the simultaneous detection of five antibiotics i.e., ceftriaxone (CTX), metronidazole (MTZ), amoxicillin (AMX), amikacin (AMK) and ciprofloxacin (CPFX) in hospital wastewater located ... -
Application of multiple headspace-solid-phase microextraction followed by gas chromatography-mass spectrometry to quantitative analysis of tomato aroma components
Elsevier (2009)The objective of this paper is to investigate the potential of multiple headspace-solid-phase microextraction (MHS-SPME) for the determination of volatile compounds in complex matrix samples. A method based on MHS-SPME for ... -
Application of the good laboratory practice to the chemistry laboratory in engineering grades
IATED Academy (2016-03-07)The Good Laboratory Practice (GLP) is a set or rules, operating procedures and practices which indicate the best way to manage and organize the laboratory. They also provide recommendations about how the experimental ... -
Application of ultra-high-pressure liquid chromatography-tandem mass spectrometry to the determination of multi-class pesticides in environmental and wastewater samples. Study of matrix effects
Elsevier (2009)An ultra-high-pressure liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) method for the determination of 37 pesticides (herbicides, insecticides and fungicides) in environmental and wastewater has been developed. ... -
Are analysts doing method validation in liquid chromatography?
(2015-06-22)Method validation is being applied in the reported analytical methods for decades. Even before this protocol was defined, authors already somehow validated their methods without full awareness. They wished to assure the ... -
Are Heme-Dependent Enzymes Always Using a Redox Mechanism? A Theoretical Study of the Kemp Elimination Catalyzed by a Promiscuous Aldoxime Dehydratase
American Chemical Society (2020-09-03)The design of biocatalysts is a goal to improve the rate, selectivity and environmental friendship of chemical processes in biotechnology. In this regard, the use of computational techniques has provided valuable assistance ... -
Are the sensory qualities of prestigious traditional varieties of beans preserved in commercial canned products? A comprehensive sensorial and chemical study on Ganxet beans
Elsevier (2024-06)The commercial production of legume cans often involves exposing products to elevated temperatures, albeit with potential alterations to sensory traits. For premium products such as the Ganxet bean, which holds a Protected ... -
Assessment of the health and antioxidant trade-off in gilthead sea bream (Sparus aurata L.) fed alternative diets with low levels of contaminants
Elsevier (2009)The aim of the present work was to analyze the effect of partial and total replacement of fish oil (FO) by a blend of vegetable oils on the health and antioxidant status of gilthead sea bream (Sparus aurata L.) fed primarily ... -
Auger Recombination Suppression in Nanocrystals with Asymmetric Electron–Hole Confinement
WILEY-VCH Verlag (2012)Type II and quasi-type II nanocrystals with thick shells exhibit reduced blinking. However, after a number of monolayers, the influence of the shell thickness is found to vanish. Using a two-band Kane Hamiltonian, it is ... -
Back to the basics: probing the role of surfaces in the experimentally observed morphological evolution of ZnO
MDPI (2023-03-08)Although the physics and chemistry of materials are driven by exposed surfaces in the morphology, they are fleeting, making them inherently challenging to study experimentally. The rational design of their morphology and ... -
Bactericidal activity of Ag4V2O7/β-AgVO3 heterostructures against antibiotic-resistant Klebsiella pneumoniae
Elsevier (2022-10)Although Ag-based materials are efficient against antibiotic-resistant bacteria, their high toxicity to living organisms represents a major challenge for obtaining useful products. In this work, we report the bactericidal ... -
Band structure engineering via piezoelectric fields in strained anisotropic CdSe/CdS nanocrystals
Nature Publishing Group (2015)Strain in colloidal heteronanocrystals with non-centrosymmetric lattices presents a unique opportunity for controlling optoelectronic properties and adds a new degree of freedom to existing wavefunction engineering and ... -
Base-Free Catalytic Hydrogen Production from Formic Acid Mediated by a Cubane-Type Mo3S4 Cluster Hydride
American Chemical Society (2022-10-14)Formic acid (FA) dehydrogenation is an attractive process in the implementation of a hydrogen economy. To make this process greener and less costly, the interest nowadays is moving toward non-noble metal catalysts and ... -
Behavior of Bi2S3 under ultrasound irradiation for Rhodamine B dye degradation
Elsevier (2021-10-16)In this study, we have demonstrated that Bi2S3 semiconductor under ultrasound behaves as a piezoelectric material, facilitating the transfer of electrons and holes, thus enabling the formation of oxidizing agents. In the ... -
Benchmarking of DFTmethods using experimental free energies and volumes of activation for the cycloaddition of alkynes to cuboidalMo(3)S(4)clusters
Wiley (2020-06-25)Here, the kinetics of the concerted [3 + 2] cycloaddition reaction between the [Mo3(μ3‐S)(μ‐S)3Cl3(dmen)3]+ (dmen = N,N′‐dimethyl‐ethylenediamine) ([1]+) cluster and various alkynes to form dithiolene derivatives is ... -
Benchmarking Quantum Mechanics/Molecular Mechanics (QM/MM) Methods on the Thymidylate Synthase-Catalyzed Hydride Transfer
American Chemical Society (2017-02)Given the ubiquity of hydride-transfer reactions in enzyme-catalyzed processes, identifying the appropriate computational method for evaluating such biological reactions is crucial to perform theoretical studies of these ... -
Beta-Bi2O3 under compression: Optical and elastic properties and electron density topology analysis
American Physical Society (2016-06)We report a joint experimental and theoretical study of the optical properties of tetragonal bismuth oxide (β−Bi2O3) at high pressure by means of optical absorption measurements combined with ab initio electronic band ...