Search Results - "Broch, S."

Recent advances on ionic liquid uses in separation techniques by Berthod, A., Ruiz-Ángel, M.J., Carda-Broch, S.

“…•Ionic liquids as solvents in nuclear waste reprocessing.•Ionic liquids as polar and thermally stable stationary phases for gas chromatoraphy.•Ionic liquids…”
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Determination of liquid–liquid partition coefficients by separation methods by Berthod, A, Carda-Broch, S

“…By essence, all kinds of chromatographic methods use the partitioning of solutes between a stationary and a mobile phase to separate them. Not surprisingly,…”
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Ionic liquids in separation techniques by Berthod, A., Ruiz-Ángel, M.J., Carda-Broch, S.

“…The growing interest in ionic liquids (ILs) has resulted in an exponentially increasing production of analytical applications. The potential of ILs in…”
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On the use of ionic liquids as mobile phase additives in high-performance liquid chromatography. A review by García-Alvarez-Coque, M.C., Ruiz-Angel, M.J., Berthod, A., Carda-Broch, S.

“…[Display omitted] •Up-dated information on HPLC procedures using ionic liquids as additives.•Description of the different interactions of stationary phase and…”
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Solvent properties of the 1-butyl-3-methylimidazolium hexafluorophosphate ionic liquid by Carda-Broch, S, Berthod, A, Armstrong, D W

“…1-Butyl-3-methylimidazolium hexafluorophosphate (BMIM-PF(6)) was synthesized and purified to be used as a ionic liquid solvent. Its physicochemical properties…”
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Use of micellar liquid chromatography to analyze oxolinic acid, flumequine, marbofloxacin and enrofloxacin in honey and validation according to the 2002/657/EC decision by Tayeb-Cherif, K., Peris-Vicente, J., Carda-Broch, S., Esteve-Romero, J.

“…•In this study, we analyze OXO, FLU, MARBO and ENRO in honey.•MLC-based approach was fast, easy, reliable, safe inexpensive and eco friendly.•The experimental…”
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Extent of the influence of phosphate buffer and ionic liquids on the reduction of the silanol effect in a C18 stationary phase by Carda-Broch, S., García-Alvarez-Coque, M.C., Ruiz-Angel, M.J.

“…•The effect of buffer concentration and pH on retention and peak shape is studied.•Mobile phases in the absence and presence of imidazolium ionic liquids are…”
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Analysis of selected veterinary antibiotics in fish by micellar liquid chromatography with fluorescence detection and validation in accordance with regulation 2002/657/EC by Rambla-Alegre, M., Peris-Vicente, J., Esteve-Romero, J., Carda-Broch, S.

“…A simple and sensitive method was optimised and validated for the simultaneous analysis of five quinolones (oxolinic acid, flumequine, enrofloxacin, difloxacin…”
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Effect of buffer nature and concentration on the chromatographic performance of basic compounds in the absence and presence of 1-hexyl-3-methylimidazolium chloride by Peris-García, E., García-Alvarez-Coque, M.C., Carda-Broch, S., Ruiz-Angel, M.J.

“…•The effect on retention and peak shape of four buffer systems is studied.•Mobile phases in the absence and presence of ionic liquid are compared.•Buffers have…”
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Modulation of retention and selectivity in oil-in-water microemulsion liquid chromatography: A review by Pankajkumar-Patel, N., Peris-García, E., Ruiz-Angel, M.J., Carda-Broch, S., García-Alvarez-Coque, M.C.

“…•Modulation of retention in microemulsion liquid chromatography is described.•The contents of reagents for best retention, selectivity and resolution are…”
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Evidence for an unidentified non-photochemical ground-level source of formaldehyde in the Po Valley with potential implications for ozone production by Kaiser, J, Wolfe, G. M, Bohn, B, Broch, S, Fuchs, H, Ganzeveld, L. N, Gomm, S, Häseler, R, Hofzumahaus, A, Holland, F, Jäger, J, Li, X, Lohse, I, Lu, K, Prévôt, A. S. H, Rohrer, F, Wegener, R, Wolf, R, Mentel, T. F, Kiendler-Scharr, A, Wahner, A, Keutsch, F. N

“…Ozone concentrations in the Po Valley of northern Italy often exceed international regulations. As both a source of radicals and an intermediate in the…”
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Retention mechanisms in micellar liquid chromatography by Ruiz-Ángel, M.J., Carda-Broch, S., Torres-Lapasió, J.R., García-Álvarez-Coque, M.C.

“…Micellar liquid chromatography (MLC) is a reversed-phase liquid chromatographic (RPLC) mode with mobile phases containing a surfactant (ionic or non-ionic)…”
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Countercurrent chromatography: People and applications by Berthod, A., Ruiz-Ángel, M.J., Carda-Broch, S.

“…The scientific literature was scanned for the published research articles dealing with countercurrent chromatography (CCC) over the time period 1980-May 2008…”
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Ionic liquids versus triethylamine as mobile phase additives in the analysis of β-blockers by Ruiz-Angel, M.J., Carda-Broch, S., Berthod, A.

“…A comparative study of peak shape, elution behavior, elution strength and resolution of seven β-blockers (acebutolol, alprenolol, labetalol, metoprolol,…”
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Isoprene in poplar emissions: effects on new particle formation and OH concentrations by Kiendler-Scharr, A, Andres, S, Bachner, M, Behnke, K, Broch, S, Hofzumahaus, A, Holland, F, Kleist, E, Mentel, T. F, Rubach, F, Springer, M, Steitz, B, Tillmann, R, Wahner, A, Schnitzler, J.-P, Wildt, J

“…Stress-induced volatile organic compound (VOC) emissions from transgenic Grey poplar modified in isoprene emission potential were used for the investigation of…”
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Use of the ionic liquid 1-butyl-3-methylimidazolium hexafluorophosphate in countercurrent chromatography by Berthod, A, Carda-Broch, S

“…Room temperature ionic liquids (RTIL) are molten salts that are liquids at room temperature. Their liquid state makes them possible candidates as solvents in…”
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Performance of different C18 columns in reversed-phase liquid chromatography with hydro-organic and micellar-organic mobile phases by Ruiz-Angel, M.J., Pous-Torres, S., Carda-Broch, S., García-Alvarez-Coque, M.C.

“…•C18 columns show significant difference in behaviour for basic compounds.•SDS monomers cover the stationary phase reducing the silanol effect.•Evaluation of…”
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Half-width plots, a simple tool to predict peak shape, reveal column kinetics and characterise chromatographic columns in liquid chromatography: State of the art and new results by Baeza-Baeza, J.J., Ruiz-Ángel, M.J., García-Álvarez-Coque, M.C., Carda-Broch, S.

“…•Half-width plots: simple tool representing the information of chromatograms.•Protocols to obtain half-width plots in isocratic and gradient modes.•Use of…”
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Are analysts doing method validation in liquid chromatography? by Ruiz-Angel, M.J., García-Alvarez-Coque, M.C., Berthod, A., Carda-Broch, S.

“…•Survey on how well analysts are doing method validation in the field of liquid chromatography in recent years.•The characteristics of method validation are…”
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Peak half-width plots to study the effect of organic solvents on the peak performance of basic drugs in micellar liquid chromatography by Ruiz-Ángel, M.J., Carda-Broch, S., García-Álvarez-Coque, M.C.

“…The addition of the anionic surfactant sodium dodecyl sulphate (SDS) to hydro-organic mixtures of methanol, ethanol, propanol or acetonitrile with water…”
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