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310 results on '"Biesuz, Raffaela"'

28. Kinetic and thermodynamic sorption studies of Fe(iii) and Zr(iv) by DFO@Purolite, a desferrioxamine B based chelating resin

Author

Alberti, Giancarla, primary, Zanoni, Camilla, additional, Losi, Vittorio, additional, Rovertoni, Sara, additional, Magnaghi, Lisa Rita, additional, Fonquernie, Osian, additional, Brandès, Stéphane, additional, Amati, Agnese, additional, Chambron, Jean-Claude, additional, Maudoux, Nicolas, additional, Biesuz, Raffaela, additional, and Meyer, Michel, additional

Published
2023
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29. Potentiometric Sensors Based on Molecular Imprinted Polymers

Author

Pesavento, Maria, D’Agostino, Girolamo, Profumo, Antonella, Biesuz, Raffaela, Alberti, Giancarla, Baldini, Francesco, editor, D’Amico, Arnaldo, editor, Di Natale, Corrado, editor, Siciliano, Pietro, editor, Seeber, Renato, editor, De Stefano, Luca, editor, Bizzarri, Ranieri, editor, and Andò, Bruno, editor

Published
2014
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43. MIP-Based Screen-Printed Electrode for Irbesartan Sensing †.

Author

Rovida, Riccardo, Zanoni, Camilla, Alberti, Giancarla, Magnaghi, Lisa Rita, and Biesuz, Raffaela

Subjects
IRBESARTAN, ELECTRODES, VOLTAMMETRY, IMPRINTED polymers, ELECTROCHEMICAL analysis
Abstract

In this study, the development of an MIP-based electrode for voltammetric detection of irbesartan is presented. Irbesartan is a drug prescribed to treat hypertension and high blood pressure. Recent studies associated sartans with several forms of cancer, making removing this class of substances from the environment a high priority, and the EU has categorized it as an emerging pollutant. Molecularly imprinted polymers (MIPs) have already been used to remove pollutants from complex matrixes; hence, they were also chosen for this work. In particular, a polymer based on polyacrylate moiety was used to functionalize the graphite working electrode of screen-printed cells (SPCs), aiming to develop a voltammetric method for Irbesartan sensing. The prepolymeric mixture was drop-coated on the working electrode. The electrochemical technique used to quantify irbesartan is the square wave voltammetry (SWV); the experiments were carried out in acetate buffer at pH 5.5. A detection limit of 19 μg/L was obtained, and the linearity ranged from 31 μg/L to 432 μg/L. The procedure was replicated with different SPCs obtaining similar results, highlighting good reproducibility. The electrodes were also applied to determine irbesartan in fortified tap water samples, obtaining high recovery percentages. Considering the good results, the electrochemical methods based on MIP-functionalized screen-printed electrodes are promising for quantifying irbesartan at a trace level. [ABSTRACT FROM AUTHOR]

Published
2023
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44. Chemometric-Assisted Litmus Test: One Single Sensing Platform Adapted from 1–13 to Narrow pH Ranges.

Author

Magnaghi, Lisa Rita, Alberti, Giancarla, Zanoni, Camilla, Guembe-Garcia, Marta, Quadrelli, Paolo, and Biesuz, Raffaela

Subjects
PRINCIPAL components analysis, GLYCOLS, LEAST squares
Abstract

A novel 3 × 4 colorimetric sensing platform, named the chemometric-assisted litmus test (CLT), has been developed by covalently anchoring commercial pH indicators to ethylene vinyl alcohol (EVOH). The proposed device can be exploited for pH determinations in a wide range from 1 to 13 and in specific narrow ranges, achieving sufficient accuracy and errors below 0.5 pH units. The experimental procedure is simple, quick and reliable; equilibration is reached in less than 2 h, CLT pictures are acquired by a camera, and data treatment is performed applying chemometric techniques such as principal component analysis (PCA) and partial least square regression (PLS) to RGB indices. [ABSTRACT FROM AUTHOR]

Published
2023
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49. List of contributors

Author

Adil, Laxmi Raman, Aguado, Roberto J., Alberti, Giancarla, Alonso-Pastor, Luis E., Arnaiz, Ana, Aslan, Pakize, Barboza-Ramos, Isaí, Barman, Debika, Biesuz, Raffaela, Bulut, Umut, Castro, Ana S., Cevher, Sevki Can, Chanu, Moirangthem Anita, Correia, Daniela M., Damiati, Samar, Fernandes, Liliana C., Frasco, Manuela F., García, José M., Ghosh, Arup K., Ghosh, Priyam, González, Clara Pérez, Guembe-García, Marta, Herrero, Manuel, Huang, Xiao, Iyer, Parameswar Krishnan, Karuk Elmas, Sukriye Nihan, Keles, Gulsu, Khatun, Mst Nasima, Kunthom, Rungthip, Kurbanoglu, Sevinc, Lanceros-Méndez, Senentxu, Liu, Hongzhi, Magnaghi, Lisa Rita, Manzano, Miguel, Mieloszyk, Magdalena, Miguel, Álvaro, Mizuno, Yosuke, Núñez-Carrero, Karina C., Oktay, Aysel, Pablos, Jesus L., Rodríguez Méndez, María Luz, Sahoo, Suban K., Saini, Anuj, Sales, M. Goreti F., Salvo Comino, Coral, Sarmah, Tapashi, Schanze, Kirk S., Sedano, Carlos, Soylemez, Saniye, Soyler, Dilek, Trigo-López, Miriam, Tripathi, Aditi, Tubio, Carmen R., Vallejos, Saúl, Vallet-Regí, María, Vaz, Raquel, Yarman, Aysu, Zanoni, Camilla, and Zhang, Jian

Published
2024
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