Isaac Rodríguez

Summary

Affiliation: Santiago de Compostela
Country: Spain

Publications

  1. Castro G, Rodriguez I, Ramil M, Cela R. Selective determination of sartan drugs in environmental water samples by mixed-mode solid-phase extraction and liquid chromatography tandem mass spectrometry. Chemosphere. 2019;224:562-571 pubmed publisher
    ..Additional findings of the current study are the detection of hydroxylated derivatives of the sartan drugs IRB and LOS in wastewater, and the E-Z isomerization of EPR in environmental water samples. ..
  2. Carpinteiro I, Castro G, Rodriguez I, Cela R. Free chlorine reactions of angiotensin II receptor antagonists: Kinetics study, transformation products elucidation and in-silico ecotoxicity assessment. Sci Total Environ. 2019;647:1000-1010 pubmed publisher
    ..The TPs generated following the first route are predicted to be more toxic than LOS. ..
  3. Casado J, Rodríguez I, Ramil M, Cela R. Identification of antimycotic drugs transformation products upon UV exposure. J Hazard Mater. 2015;289:72-82 pubmed publisher
    ..The 50% estimated lethal concentration, calculated using the 48-h Daphnia magna test, for the two main TPs of CTZ and MCZ, at both wavelengths, were lower than those corresponding to the precursor drugs. ..
  4. Castro G, Carpinteiro I, Rodríguez I, Cela R. Determination of cardiovascular drugs in sewage sludge by matrix solid-phase dispersion and ultra-performance liquid chromatography tandem mass spectrometry. Anal Bioanal Chem. 2018;410:6807-6817 pubmed publisher
    ..The occurrence of target compounds was investigated in sludge from 14 different STPs. High detection frequencies were observed for all compounds, with average concentrations above 100 ng g-1 for six cardiovascular drugs. ..
  5. Montes R, Rodríguez I, Casado J, López Sabater M, Cela R. Determination of the cardiac drug amiodarone and its N-desethyl metabolite in sludge samples. J Chromatogr A. 2015;1394:62-70 pubmed publisher
    ..Furthermore, mono-iodinated analogues of amiodarone and N-desethylamiodarone were also tentatively identified in some samples from their accurate MS and MS/MS spectra. ..
  6. Moniruzzaman M, Rodríguez I, Rodríguez Cabo T, Cela R, Sulaiman S, Gan S. Assessment of dispersive liquid-liquid microextraction conditions for gas chromatography time-of-flight mass spectrometry identification of organic compounds in honey. J Chromatogr A. 2014;1368:26-36 pubmed publisher
    ..Some of the compounds identified in DLLME extracts have been proposed as useful for samples classification and/or they are recognized as markers of honeys from certain geographic areas. ..
  7. Rodríguez Cabo T, Rodríguez I, Ramil M, Silva A, Cela R. Multiclass semi-volatile compounds determination in wine by gas chromatography accurate time-of-flight mass spectrometry. J Chromatogr A. 2016;1442:107-17 pubmed publisher
  8. Castro G, Casado J, Rodríguez I, Ramil M, Ferradás A, Cela R. Time-of-flight mass spectrometry assessment of fluconazole and climbazole UV and UV/H2O2 degradability: Kinetics study and transformation products elucidation. Water Res. 2016;88:681-690 pubmed publisher
    ..Under such conditions, the degradation rate of FCZ was enhanced significantly and no TPs were detected. These latter conditions allowed also the effective removal of CBZ TPs. ..
  9. Rodríguez Cabo T, Rodríguez I, Ramil M, Cela R. Liquid chromatography quadrupole time-of-flight mass spectrometry selective determination of ochratoxin A in wine. Food Chem. 2016;199:401-8 pubmed publisher
    ..The ethyl ester of OTA (OTC) could be identified in the same wine samples from its accurate full product ion spectra. ..

More Information

Publications17

  1. Fontana A, Rodríguez I, Cela R. Dispersive liquid-liquid microextraction and gas chromatography accurate mass spectrometry for extraction and non-targeted profiling of volatile and semi-volatile compounds in grape marc distillates. J Chromatogr A. 2018;1546:36-45 pubmed publisher
    ..The use of chromatographic and spectral data, associated to the set of components mined from different grappa samples, for multivariate analysis purposes is also illustrated in the study. ..
  2. Rodríguez Cabo T, Rodríguez I, Ramil M, Cela R. Comprehensive evaluation of the photo-transformation routes of trans-resveratrol. J Chromatogr A. 2015;1410:129-39 pubmed publisher
  3. Rodríguez Cabo T, Rodríguez I, Ramil M, Cela R. Evaluation of nitrate effects in the photodegradability of cyprodinil. Kinetics study and transformation products elucidation. Anal Bioanal Chem. 2016;408:4455-64 pubmed publisher
    ..The latter group of TPs display higher estimated acute toxicities than CYP and remained stable for long irradiation times. Graphical Abstract Photonitration of cyprodinil. ..
  4. Rodríguez Cabo T, Casado J, Rodriguez I, Ramil M, Cela R. Selective extraction and determination of neonicotinoid insecticides in wine by liquid chromatography-tandem mass spectrometry. J Chromatogr A. 2016;1460:9-15 pubmed publisher
    ..2ngmL(-1). Analysis of commercial wines revealed imidacloprid residues in more than 50% of processed samples, with a maximum level of 14ngmL(-1). ..
  5. Castro G, Roca M, Rodriguez I, Ramil M, Cela R. Identification and determination of chlorinated azoles in sludge using liquid chromatography quadrupole time-of-flight and triple quadrupole mass spectrometry platforms. J Chromatogr A. 2016;1476:69-76 pubmed publisher
    ..Analysis of sludge from 10 municipal STPs demonstrated the ubiquity of the identified chlorinated azoles with average concentrations from 31ngg-1, for IMZ, to more than 200ngg-1, for ITZ. ..
  6. Castro G, Rodriguez I, Ramil M, Cela R. Evaluation of nitrate effects in the aqueous photodegradability of selected phenolic pollutants. Chemosphere. 2017;185:127-136 pubmed publisher
    ..Nitration reactions were particularly favourable for OPP with the generated nitro TPs displaying a higher stability than the precursor molecule and the hydroxylated TPs of the same compound. ..
  7. Rodríguez Cabo T, Rodríguez I, Ramil M, Cela R. Evaluation of the aqueous phototransformation routes of phenyl ethyl azolic fungicides by liquid chromatography accurate mass spectrometry. Sci Total Environ. 2018;615:942-954 pubmed publisher
    ..In-silico toxicity predictions pointed out to dechlorinated tricyclic TPs as the most concerning ones, with predicted lethal concentrations (LC50) in the same range as the precursor fungicides. ..
  8. Castro G, Pérez Mayán L, Rodríguez Cabo T, Rodríguez I, Ramil M, Cela R. Multianalyte, high-throughput liquid chromatography tandem mass spectrometry method for the sensitive determination of fungicides and insecticides in wine. Anal Bioanal Chem. 2018;410:1139-1150 pubmed publisher
    ..Out of 27 pesticides quantified in these wines, 12 displayed occurrence frequencies above 24%; moreover, all wines, except one of the ecological ones, contained residues from at least one pesticide. ..