Search Results - "Ubide, C."

Analysis of SEM digital images to quantify crack network pattern area in chromium electrodeposits by Vidal, M., Ostra, M., Imaz, N., García-Lecina, E., Ubide, C.

“…Scanning electron microscopy (SEM) is one of the primary methods used to inspect a wide range of materials, including metallic coatings. The use of software…”
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Feature descriptors from scanned images of chromium electrodeposits as predictor parameters of surface roughness and crystallographic texture by Vidal, M., Ostra, M., Imaz, N., García-Lecina, E., Ubide, C.

“…Feature descriptors extracted from scanned images of chromium electrodeposits are proposed as predictor parameters of surface roughness and crystallographic…”
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Fluorescence of the Flavin group in choline oxidase. Insights and analytical applications for the determination of choline and betaine aldehyde by Ortega, E., de Marcos, S., Sanz-Vicente, I., Ubide, C., Ostra, M., Vidal, M., Galbán, J.

“…Choline oxidase (ChOx) is a flavoenzyme catalysing the oxidation of choline (Ch) to betaine aldehyde (BA) and glycine betaine (GB). [Display omitted] In this…”
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Image analysis for maintenance of coating quality in nickel electroplating baths – Real time control by Vidal, M., Amigo, J.M., Bro, R., van den Berg, F., Ostra, M., Ubide, C.

“…[Display omitted] ► This manuscript presents a complete methodology for online process control of the electroplating processes. ► The methodology uses flat-bed…”
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Flatbed scanners as a source of imaging. Brightness assessment and additives determination in a nickel electroplating bath by Vidal, M., Amigo, J.M., Bro, R., Ostra, M., Ubide, C., Zuriarrain, J.

“…Desktop flatbed scanners are very well-known devices that can provide digitized information of flat surfaces. They are practically present in most laboratories…”
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Fenton’s reagent for kinetic determinations by López-Cueto, G, Ostra, M, Ubide, C, Zuriarrain, J

“…The use of the Fenton’s reagent (FR) (a mixture of H 2O 2 and Fe 2+) for the kinetic determination of individual chemical species is proposed. The…”
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Simultaneous Determination of Glucose and Choline Based on the Intrinsic Fluorescence of the Enzymes by Sanz-Vicente, I., Romero, J. J., de Marcos, S., Ostra, M., Ubide, C., Galbán, J.

“…It has been possible to perform the simultaneous determination of choline and glucose using the intrinsic fluorescence of the corresponding enzyme as an…”
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New way of application of the bromate–bromide mixture in kinetic analysis by López-Cueto, G., Ostra, M., Ubide, C.

“…The bromine generated in situ by the bromate–bromide mixture has usually been used in kinetic analysis to determine either individual species that give…”
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Linear and non-linear multivariate calibration methods for multicomponent kinetic determinations in cases of severe non-linearity by López-Cueto, G., Ostra, M., Ubide, C.

“…Both p-aminophenol ( p-AP) and p-phenylenediamine ( p-PDA) undergo oxidative coupling reactions in the presence of octacyanomolibdate(V) as oxidant. The…”
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The hexacyanomanganate(IV)–hydrogen peroxide reaction. Kinetic determination of vanadium by Angulo, R., López-Cueto, G., Ubide, C.

“…The reaction between hexacyanomanganate(IV) and hydrogen peroxide in acidic medium is strongly catalysed by vanadium. The stoichiometry has been proved to be…”
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Parallel and multi-objective EDAs to create multivariate calibration models for quantitative chemical applications by Mendiburu, A., Miguel-Alonso, J., Lozano, J.A., Ostra, M., Ubide, C.

“…This paper describes the application of several data mining approaches to solve a calibration problem in a quantitative chemistry environment. Experimental…”
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Parallel EDAs to create multivariate calibration models for quantitative chemical applications by Mendiburu, A., Miguel-Alonso, J., Lozano, J.A., Ostra, M., Ubide, C.

“…This paper describes the application of a collection of data mining methods to solve a calibration problem in a quantitative chemistry environment…”
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Study of a fluorometric-enzymatic method for bilirubin based on chemically modified bilirubin-oxidase and multivariate calibration by Andreu, Yolanda, Ostra, Miren, Ubide, Carlos, Galbán, Javier, de Marcos, Susana, Castillo, Juan R.

“…The chemical derivatization of bilirubin oxidase (BOx) with a fluorescein derivative (FS) yields a chemically modified enzyme (BOx–FS), with excitation and…”
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Multicomponent determinations using addition-generated reagent profiles and partial least squares regression by García, Rosa, López-Cueto, Guillermo, Ostra, Miren, Ubide, Carlos

“…The use of addition-generated reagent profiles is proposed for multicomponent determinations when the reactions between the reagent and analytes are slow. The…”
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Parallel EDAs to create multivariate calibration models for quantitative chemical applications : Parallel bioinspired algorithms by MENDIBURU, A, MIGUEL-ALONSO, J, LOZANO, J. A, OSTRA, M, UBIDE, C

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The acetylsalicylic acid-bromine system for multicomponent kinetic determinations by López-Cueto, Guillermo, Ostra, Miren, Ubide, Carlos

“…When acetylsalicylic acid (ASA) is added to a bromine solution, slow decay of the bromine concentration occurs. Hydrolysis of ASA yields salicylic acid (SA)…”
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The bromination of acetone. application to multicomponent kinetic determinations by López-Cueto, Guillermo, Ostra, Miren, Ubide, Carlos

“…A very simple kinetic method is proposed for the resolution of mixtures of acetone and a second component. It is based on the reaction, at constant…”
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Multicomponent determinations by partial least-squares regression analysis of fast-reaction multiwavelength profiles obtained by continuous addition of a reagent by López-Cueto, Guillermo, Lizarreta, Jorge, Ostra, Miren, Ubide, Carlos

“…Partial least-squares regression (PLS) analysis of multiwavelength reaction profiles, obtained by continuous addition of a reagent to a binary mixture of…”
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Catalytic hydrogen transfer activity of cationic iridium(I) complexes containing α-diimines by Bikrani, Mohammed, Fidalgo, Luz, Garralda, María A., Ubide, Carlos

“…Cationic [Ir(COD)(LL)] + species (LL = α-diimines derived from biacetyl or glyoxal) in the presence of KOH are active catalysts in the homogeneous hydrogen…”
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Enhanced decompositions of some cyano complexes during diode array spectrophotometric measurements by López-Cueto, Guillermo, Rodríguez-Medina, José F., Ubide, Carlos

“…Acidic solutions of the Fe(III), Mo(V), W(V) and Mn(IV) cyano complexes are known to decompose photochemically. These reactions do not take place to an…”
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