Search Results - "Manuel Romero Fernández"

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  1. 1

    Fluorometric Determination of Alkaline Phosphatase Activity in Food Using Magnetoliposomes as On-flow Microcontainer Devices by Román-Pizarro, Vanessa, Fernández-Romero, Juan Manuel, Gómez-Hens, Agustina

    Published in Journal of agricultural and food chemistry (26-02-2014)
    “…Liposomes containing magnetic gold nanoparticles (AuNPs) and an enzymatic substrate (4-methylumbelliferyl-phosphate) have been used as on-flow microcontainers…”
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    Journal Article
  2. 2

    Usefulness of Hybrid Magnetoliposomes for Aminoglycoside Antibiotic Residues Determination in Food Using an Integrated Microfluidic System with Fluorometric Detection by Écija-Arenas, Ángela, Román-Pizarro, Vanesa, Fernández-Romero, Juan Manuel

    Published in Journal of agricultural and food chemistry (23-06-2021)
    “…A new microfluidic approach using hybrid magnetoliposomes (h-MLs) containing hydrophobic magnetic nanoparticles (Fe3O4@AuNPs-C12SH) and encapsulated…”
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    Journal Article
  3. 3

    Luminescent determination of flavonoids in orange juices by LC with post-column derivatization with aluminum and terbium by Andreu-Navarro, Alvaro, Fernández-Romero, Juan Manuel, Gómez-Hens, Agustina

    Published in Journal of separation science (01-03-2010)
    “…A new post-column derivatization system is described and applied to the determination of flavonoids in citric beverages after their separation by LC using a…”
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    Automatic determination of coenzyme Q10 in food using cresyl violet encapsulated into magnetoliposomes by Román-Pizarro, Vanessa, Fernández-Romero, Juan Manuel, Gómez-Hens, Agustina

    Published in Food chemistry (15-04-2017)
    “…•The determination of coenzyme Q10 (CoQ10) using magnetoliposomes (MLs) is described.•MLs containing cresyl violet are concentrated in a flow system using an…”
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  6. 6

    Analytical Innovations in the Detection of Phenolics in Wines by Russo, Pietro, Andreu-Navarro, Álvaro, Aguilar-Caballos, María-Paz, Fernández-Romero, Juan-Manuel, Gómez-Hens, Agustina

    Published in Journal of agricultural and food chemistry (26-03-2008)
    “…A liquid chromatographic method with online photometric and luminescent detection for the determination of 18 phenolic compounds in wines is reported…”
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  7. 7

    Determination of fluoroquinolone antibiotics by microchip capillary electrophoresis along with time-resolved sensitized luminescence of their terbium(III) complexes by Sierra-Rodero, Marina, Fernández-Romero, Juan Manuel, Gómez-Hens, Agustina

    Published in Mikrochimica acta (1966) (01-11-2014)
    “…We report on the time-resolved detection of the three fluoroquinolone (FQs) antibiotics ciprofloxacin (CIP), enrofloxacin (ENR) and flumequine (FLU). On…”
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  8. 8

    Gold nanoparticle-biotinylated liposome hybrids as analytical reagents for biotin determination using a competitive assay and resonance light scattering detection by Román-Pizarro, Vanessa, Fernández-Romero, Juan Manuel, Gómez-Hens, Agustina

    Published in Talanta (Oxford) (15-09-2012)
    “…The preparation of hybrid nanostructures formed by gold nanoparticles (AuNPs) into biotinylated liposomes and their analytical application are presented. The…”
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    Journal Article
  9. 9

    Determination of aminoglycoside antibiotics using an on-chip microfluidic device with chemiluminescence detection by Sierra-Rodero, Marina, Fernández-Romero, Juan Manuel, Gómez-Hens, Agustina

    Published in Mikrochimica acta (1966) (01-11-2012)
    “…We describe an on-chip microflow injection (μFI) approach for the determination of aminoglycoside antibiotics using chemiluminescence (CL) detection. The…”
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    Journal Article
  10. 10

    Separation and characterization of liposomes using asymmetric flow field-flow fractionation with online multi-angle light scattering detection by Écija-Arenas, Ángela, Román-Pizarro, Vanesa, Fernández-Romero, Juan Manuel

    Published in Journal of Chromatography A (11-01-2021)
    “…•Different separated liposome populations have been monitored by AF4-MALS.•Populations of three types of liposomes (e-Ls, MLs and Ls-CV) have been…”
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  11. 11

    Integrated microfluidic systems for fluorescence monitoring rapid kinetic reactions in bioanalysis by Écija-Arenas, Ángela, Zafra-Poyato, Antonio, Fernández-Romero, Juan Manuel

    Published in Mikrochimica acta (1966) (01-06-2023)
    “…A stopped-flow microfluidic fluorimetric biosensor to monitor alkaline phosphatase (ALP) activity and evaluate the potential inhibitors has been developed,…”
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  12. 12

    Usefulness of magnetically-controlled MNPs-enzymes microreactors for the fluorimetric determination of total cholesterol in serum by Román-Pizarro, Vanesa, Ramírez-Gutiérrez, Manuel, Gómez-Hens, Agustina, Fernández-Romero, Juan Manuel

    Published in Talanta (Oxford) (01-02-2020)
    “…A new dynamic method containing a magnetically retained enzyme reactor (MRER) located in the reaction/detection zone of a flow injection (FI) system, has been…”
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  13. 13

    Development of an aptamer-based SPR-biosensor for the determination of kanamycin residues in foods by Écija-Arenas, Ángela, Kirchner, Eva-Maria, Hirsch, Thomas, Fernández-Romero, Juan Manuel

    Published in Analytica chimica acta (18-07-2021)
    “…A biosensor in which an affinity reaction occurs in the sensitive microzone through the use of specific aptamers to determine kanamycin residues in agri-food…”
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    Long-Wavelength Fluorescence Detection of Flavonoids in Orange Juices by LC by Andreu-Navarro, Alvaro, Fernández-Romero, Juan Manuel, Gómez-Hens, Agustina

    Published in Chromatographia (01-12-2010)
    “…A new post-column liquid chromatographic reaction system for the determination of flavonoids in orange juices is based on the use of the long wavelength…”
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  17. 17

    Strategies to improve the analytical features of microfluidic methods using nanomaterials by Sierra-Rodero, Marina, Fernández-Romero, Juan Manuel, Gómez-Hens, Agustina

    “…•We describe the combined use of microfluidics and nanomaterials.•We discuss the positive role of nanomaterials in the steps of the analytical process.•We…”
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  18. 18

    Determination of Fluoroquinolones in Milk Samples by Postcolumn Derivatization Liquid Chromatography with Luminescence Detection by Rodríguez-Díaz, Rafael Carlos, Fernández-Romero, Juan Manuel, Aguilar-Caballos, María Paz, Gómez-Hens, Agustina

    Published in Journal of agricultural and food chemistry (27-12-2006)
    “…A liquid chromatography (LC) method with luminescence detection for the determination of eight quinolone antibiotics is reported. The system encompasses three…”
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    Study of the inhibition effects on glutathione peroxidase immobilized on MNPs using a stopped-flow microfluidic system by Román-Pizarro, Vanesa, Carrión-Escudero, Alba María, Écija-Arenas, Ángela, Fernández-Romero, Juan Manuel

    Published in Analytical and bioanalytical chemistry (01-05-2023)
    “…A stopped-flow microfluidic system to monitor glutathione peroxidase (GPx) activity and evaluate potential inhibitors of the enzyme has been developed based on…”
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  20. 20

    Luminescence continuous flow system for monitoring the efficiency of hybrid liposomes separation using multiphase density gradient centrifugation by Écija-Arenas, Ángela, Román-Pizarro, Vanesa, Fernández-Romero, Juan Manuel

    Published in Talanta (Oxford) (15-01-2021)
    “…A method for monitoring the efficiency of the hybrid magnetoliposomes (h-MLs) separation using multiphase density gradient centrifugation (MDGC) coupled with a…”
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