Search Results - "Vílchez, J.L."

Removal and degradation characteristics of quinolone antibiotics in laboratory-scale activated sludge reactors under aerobic, nitrifying and anoxic conditions by Dorival-García, N., Zafra-Gómez, A., Navalón, A., González-López, J., Hontoria, E., Vílchez, J.L.

“…This work describes the removal of 6 quinolone antibiotics from wastewaters under different redox conditions (aerobic, nitrifying and anoxic) through batch…”
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Stir bar sorptive extraction: Recent applications, limitations and future trends by Camino-Sánchez, F.J., Rodríguez-Gómez, R., Zafra-Gómez, A., Santos-Fandila, A., Vílchez, J.L.

“…Stir bar sorptive extraction (SBSE) has generated growing interest due to its high effectiveness for the extraction of non-polar and medium-polarity compounds…”
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A new liquid chromatography–tandem mass spectrometry method for determination of parabens in human placental tissue samples by Jiménez-Díaz, I., Vela-Soria, F., Zafra-Gómez, A., Navalón, A., Ballesteros, O., Navea, N., Fernández, M.F., Olea, N., Vílchez, J.L.

“…Endocrine disruptors are a group of organic compounds widely used, which are ubiquitous in the environment and in biological samples. The main effect of these…”
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Analysis of bisphenol A and its chlorinated derivatives in sewage sludge samples. Comparison of the efficiency of three extraction techniques by Dorival-Garcia, N, Zafra-Gomez, A, Navalon, A, Vilchez, J L

“…► Three extraction techniques to isolate BPA from sewage sludge samples are compared. ► The three methods are valid and offer accurate and precise…”
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Determination of Bisphenol A and its chlorinated derivatives in placental tissue samples by liquid chromatography–tandem mass spectrometry by Jiménez-Díaz, I., Zafra-Gómez, A., Ballesteros, O., Navea, N., Navalón, A., Fernández, M.F., Olea, N., Vílchez, J.L.

“…The group of compounds commonly called endocrine disruptors covers a wide range of synthetic and natural substances able to alter the normal hormone function…”
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Validation of a method for the determination of tributyltin in seawater by stir bar sorptive extraction–liquid chromatography tandem mass spectrometry by Camino-Sánchez, F.J., Zafra-Gómez, A., Oliver-Rodríguez, B., Ruiz-Naranjo, I., Ruiz-García, J., Vílchez, J.L.

“…► Method to identify and quantify tributyltin (TBT) species in seawater. ► SBSE–LC–MS/MS analysis allows very low LOQs and LODs. ► Banned compounds by several…”
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Determination of alcohol sulfates and alcohol ethoxysulfates in marine and river sediments using liquid chromatography–tandem mass spectrometry by Fernández-Ramos, C., Ballesteros, O., Blanc, R., Zafra-Gómez, A., Camino-Sánchez, F.J., Navalón, A., Vílchez, J.L.

“…A novel and successful method has been developed for the identification and quantification of alcohol sulfates (AS) homologues and alcohol ethoxysulfates (AES)…”
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Evaluation of the presence of major anionic surfactants in marine sediments by Cantarero, S., Camino-Sánchez, F.J., Zafra-Gómez, A., Ballesteros, O., Navalón, A., Vílchez, J.L., Verge, C., Reis, M.S., Saraiva, P.M.

“…► Analytical method to identify and quantify insoluble soap in marine sediments. ► Matrix effect study and comparison of different extraction techniques. ►…”
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A new procedure of determination of alcohol sulfates and alcohol ethoxysulfates in agricultural soils by Fernández-Ramos, C., Ballesteros, O., Zafra-Gómez, A., Blanc, R., Navalón, A., Crovetto, G., Cantarero, S., Oliver-Rodríguez, B., Vílchez, J.L.

“…•LC–MS/MS method to identify and quantify AS and AES in agricultural soil.•AS homologues and AES ethoxymers are separately determined.•PLE allows the…”
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New sample treatment for the determination of alkylphenols and alkylphenol ethoxylates in agricultural soils by Jiménez-Díaz, I., Ballesteros, O., Zafra-Gómez, A., Crovetto, G., Vílchez, J.L., Navalón, A., Verge, C., de Ferrer, J.A.

“…A new sample treatment for alkylphenols (AP) and alkylphenol ethoxylates (APEO) determination in agricultural soil samples has been developed. In a first stage…”
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Two novel strains within the family Caulobacteraceae capable of degradation of linear alkylbenzene sulfonates as pure cultures by Cortés-Lorenzo, C., Sánchez-Peinado, M. del Mar, Oliver-Rodríguez, B., Vílchez, J.L., González-López, J.J., Rodríguez-Díaz, M.

“…Culture-independent methods found members of the family Caulobacteraceae to be especially enriched in a soil microcosm perfused 21 days with a 50 mg l−1…”
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Gas chromatographic–mass spectrometric study of the degradation of phenolic compounds in wastewater olive oil by Azotobacter Chroococcum by Juarez, MJB, Zafra-Gomez, A, Luzon-Toro, B, Ballesteros-Garcia, O A, Navalon, A, Gonzalez, J, Vilchez, J L

“…Compounds present in wastewater olive oil (WWOO) which can be used in metabolic pathways of Azotobacter chroococcum ( A. chroococcum) have been investigated…”
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Determination of the antibacterial enrofloxacin by differential-pulse adsorptive stripping voltammetry by Navalón, A, Blanc, R, Reyes, L, Navas, N, Vílchez, J.L

“…Two new methods for the determination of enrofloxacin in commercial formulations and canine urine samples, based on adsorptive stripping voltammetry (AdSV),…”
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Bisphenol-A and chlorinated derivatives in adipose tissue of women by Fernandez, M.F., Arrebola, J.P., Taoufiki, J., Navalón, A., Ballesteros, O., Pulgar, R., Vilchez, J.L., Olea, N.

“…Bisphenol-A (BPA) and chlorinated derivatives (Cl x BPA) were investigated in adipose tissue of women in Southeast Spain. BPA was above limit of detection…”
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Determination of bisphenols with estrogenic activity in plastic packaged baby food samples using solid-liquid extraction and clean-up with dispersive sorbents followed by gas chromatography tandem mass spectrometry analysis by García-Córcoles, M.T., Cipa, M., Rodríguez-Gómez, R., Rivas, A., Olea-Serrano, F., Vílchez, J.L., Zafra-Gómez, A.

“…Bisphenols (BPs) are a family of chemicals with known endocrine disrupting activity. Bisphenol A (BPA) is the most representative prototype of this group of…”
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Resolution of phenol, o-cresol, m-cresol and p-cresol mixtures by excitation fluorescence using partial least-squares (PLS) multivariate calibration by del Olmo, M., Díez, C., Molina, A., de Orbe, I., Vílchez, J.L.

“…Determination of phenol, o-cresol, m-cresol and p-cresol has been carried out in mixtures of up to four components by recording excitation fluorescence spectra…”
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Removal of quinolone antibiotics from wastewaters by sorption and biological degradation in laboratory-scale membrane bioreactors by DORIVAL-GARCIA, N, ZAFRA-GOMEZ, A, NAVALON, A, GONZALEZ, J, VILCHEZ, J. L

“…Laboratory-scale batch experiments were developed to investigate the main removal routes for 6 commonly found quinolones (ciprofloxacin, moxifloxacin,…”
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Multiclass method for the determination of pharmaceuticals and personal care products in compost from sewage sludge using ultrasound and salt-assisted liquid–liquid extraction followed by ultrahigh performance liquid chromatography-tandem mass spectrometry analysis by Luque-Muñoz, A., Vílchez, J.L., Zafra-Gómez, A.

“…•The analysis of 16 PPCPs in compost using UAE-SALLE and UHPLC–MS/MS is proposed.•LOQs from 2 to 13ngg−1d.w, recoveries from 93%–111% and%RSD ≤11% were…”
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Biomonitoring of 21 endocrine disrupting chemicals in human hair samples using ultra-high performance liquid chromatography–tandem mass spectrometry by Rodríguez-Gómez, R., Martín, J., Zafra-Gómez, A., Alonso, E., Vílchez, J.L., Navalón, A.

“…Rapid industrial growth has increased human exposure to a large variety of chemicals with adverse health effects. These industrial chemicals are usually…”
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Simultaneous determination of 13 quinolone antibiotic derivatives in wastewater samples using solid‐phase extraction and ultra performance liquid chromatography–tandem mass spectrometry by Dorival‐García, N., Zafra‐Gómez, A., Cantarero, S., Navalón, A., Vílchez, J.L.

“…A simple, rapid, sensitive, accurate and reliable multiresidue method based on ultra performance liquid chromatography–tandem mass spectrometry (UPLC–MS/MS) is…”
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