Depósito Digital de Documentos de la UAB Encontrados 140 registros  inicioanterior75 - 84siguientefinal  ir al registro: La búsqueda tardó 0.01 segundos. 
75.
13 p, 434.2 KB Potentiometric Electronic Tongue to Resolve Mixtures of Sulfide and Perchlorate Anions / Wilson Massó, Deivy (Universitat Autònoma de Barcelona. Departament de Química) ; Abbas, Mohammed N. (National Research Centre (Cairo, Egipte)) ; Radwan, Abdel Latief A. (National Research Centre (Cairo, Egipte)) ; Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Departament de Química)
This work describes the use of an array of potentiometric sensors and an artificial neural network response model to determine perchlorate and sulfide ions in polluted waters, by what is known as an electronic tongue. [...]
2011 - 10.3390/s110303214
Sensors (Basel, Switzerland), Vol. 11 (2011) , p. 3214-3226  
76.
12 p, 402.3 KB A Reusable Impedimetric Aptasensor for Detection of Thrombin Employing a Graphite-Epoxy Composite Electrode / Ocaña Tejada, Cristina (Universitat Autònoma de Barcelona. Departament de Química) ; Pacios Pujadó, Merce (Universitat Autònoma de Barcelona. Departament de Química) ; Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Departament de Química)
Here, we report the application of a label-free electrochemical aptasensor based on a graphite-epoxy composite electrode for the detection of thrombin; in this work, aptamers were immobilized onto the electrodes surface using wet physical adsorption. [...]
2012 - 10.3390/s120303037
Sensors (Basel, Switzerland), Vol. 12 (March 2012) , p. 3037-3048  
77.
11 p, 235.2 KB A Solid-Contact Ion Selective Electrode for Copper(II) Using a Succinimide Derivative as Ionophore / Tutulea-Anastasiu, Mihaela Dana (Universitatea Tehnică Gheorghe Asachi (Iasi, Romania)) ; Wilson Massó, Deivy (Universitat Autònoma de Barcelona. Departament de Química) ; Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Departament de Química) ; Schreiner, Cristina Mihaela (Universitatea Tehnică Gheorghe Asachi (Iasi, Romania)) ; Cretescu, Igor (Universitatea Tehnică Gheorghe Asachi (Iasi, Romania))
All-solid-state sensors with polyvinyl chloride (PVC)-based membranes using off-the-shelf N-hydroxysuccinimide (NHS) and succinimide (Succ) ionophores were prepared using DOP (dioctyl phthalate) and NPOE (ortho-nitrophenyloctyl ether) as plasticizers. [...]
2013 - 10.3390/s130404367
Sensors (Basel, Switzerland), Vol. 13 (2013) , p. 4367-4377  
78.
22 p, 1.6 MB Independent comparison study of six different electronic tongues applied for pharmaceutical analysis / Pein, Miriam (Heinrich-Heine-Universität Düsseldorf. Institut für Pharmazeutische Technologie und Biopharmazie) ; Kirsanov, Dmitry (Sankt-Peterburgskiĭ gosudarstvennyĭ universitet. Institut khimii) ; Ciosek, Patrycja (Politechnika Warszawska. Department of Microbioanalytics) ; Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Departament de Química) ; Yaroshenko, Irina (Sankt-Peterburgskiĭ gosudarstvennyĭ universitet. Institut khimii) ; Wesoly, Malgorzata (Politechnika Warszawska. Department of Microbioanalytics) ; Zabadaj, Marcin (Politechnika Warszawska. Department of Microbioanalytics) ; González-Calabuig, Andreu (Universitat Autònoma de Barcelona. Departament de Química) ; Wróblewski, Wojciech (Politechnika Warszawska. Department of Microbioanalytics) ; Legin, Andrey (Sankt-Peterburgskiĭ gosudarstvennyĭ universitet. Institut khimii)
Electronic tongue technology based on arrays of cross-sensitive chemical sensors and chemometric data processing has attracted a lot of researchers' attention through the last years. Several so far reported applications dealing with pharmaceutical related tasks employed different e-tongue systems to address different objectives. [...]
2015 - 10.1016/j.jpba.2015.05.026
Journal of pharmaceutical and biomedical analysis, Vol. 114 (Oct. 2015) , p. 321-329  
79.
28 p, 536.3 KB Crown ether-modified electrodes for the simultaneous stripping voltammetric determination of Cd(II), Pb(II) and Cu(II) / Serrano i Plana, Núria (Universitat de Barcelona. Departament de Química Analítica) ; González-Calabuig, Andreu (Universitat Autònoma de Barcelona. Departament de Química) ; Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Departament de Química)
This work describes the immobilization of 4-carboxybenzo-18-crown-6 (CB-18-crown-6) and 4-carboxybenzo-15-crown-5 (CB-15-crown-5) assisted by lysine on aryl diazonium salt monolayers anchored to the surface of graphite-epoxy composite electrodes (GEC), and their use for the simultaneous determination of Cd(II), Pb(II) and Cu(II) by differential pulse anodic stripping voltammetry (DPASV). [...]
2015 - 10.1016/j.talanta.2015.01.044
Talanta, Vol. 138 (June 2015) , p. 130-137  
80.
23 p, 6.5 MB DNA polymorphism sensitive impedimetric detection on gold-nanoislands modified electrodes / Bonanni, Alessandra (Nanyang Technological University. School of Physical and Mathematical Sciences) ; Pividori, María Isabel (Universitat Autònoma de Barcelona. Departament de Química) ; Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Departament de Química)
Nanocomposite materials are being increasingly used in biosensing applications as they can significantly improve biosensor performance. Here we report the use of a novel impedimetric genosensor based on gold nanoparticles graphite-epoxy nanocomposite (nanoAu-GEC) for the detection of triple base mutation deletion in a cystic-fibrosis (CF) related human DNA sequence. [...]
2015 - 10.1016/j.talanta.2015.01.004
Talanta, Vol. 136 (May 2015) , p. 95-101  
81.
21 p, 1.5 MB Voltammetric sensor for theophylline using sol-gel immobilized molecularly imprinted polymer particles / Bates, Ferdia (Universitat Autònoma de Barcelona. Departament de Química) ; Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Departament de Química)
Application of Molecularly Imprinted Polymers (MIPs) to sensor substrates holds great promise within the field of electrochemical sensing due to their low price, tailored selectivity and facile synthesis protocols. [...]
2015 - 10.1007/s00604-014-1413-4
Mikrochimica acta, Vol. 182, Issue 5-6 (April 2015) , p. 933-942  
82.
15 p, 1.7 MB Simultaneous titration of ternary mixtures of Pb(II), Cd(II) and Cu(II) with potentiometric electronic tongue detection / Wilson Massó, Deivy (Universitat Autònoma de Barcelona. Departament de Química) ; Alegret, Salvador, 1947- (Universitat Autònoma de Barcelona. Departament de Química) ; Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Departament de Química)
An automatic titration method is reported to resolve ternary mixtures of transition metals (Pb²⁺,Cd²⁺ and Cu²⁺) employing electronic tongue detection and a reduced number of pre-defined additions of EDTA titrant. [...]
2015 - 10.1002/elan.201400480
Electroanalysis, Vol. 27 Issue 2 (Feb. 2015) , p. 336-342  
83.
8 p, 1.0 MB A tool for general quality assessment of black tea : retail price prediction by an electronic tongue / Khaydukova, Maria (Sankt-Peterburgskiĭ gosudarstvennyĭ universitet. Institut khimii) ; Cetó Alsedà, Xavier (Universitat Autònoma de Barcelona. Departament de Química) ; Kirsanov, Dmitry (Sankt-Peterburgskiĭ gosudarstvennyĭ universitet. Institut khimii) ; Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Departament de Química) ; Legin, Andrey (Sankt-Peterburgskiĭ gosudarstvennyĭ universitet. Institut khimii)
Retail price of food products is a complex interplay between multiple factors. Overall product quality has got one of the most serious impacts on the price in many situations. In the present study, an artificial sensory system (potentiometric electronic tongue) was employed for the analysis of black tea samples purchased in the retail stores in Spain and Russia. [...]
2015 - 10.1007/s12161-014-9979-3
Food analytical methods, Vol. 8, Issue 5 (May 2015) , p. 1088-1092  
84.
10 p, 2.1 MB Use of a bioelectronic tongue for the monitoring of the photodegradation of phenolic compounds / Cetó Alsedà, Xavier (Universitat Autònoma de Barcelona. Departament de Química) ; González-Calabuig, Andreu (Universitat Autònoma de Barcelona. Departament de Química) ; Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Departament de Química)
The application of a voltammetric bioelectronic tongue for the simultaneous monitoring of catechol, m-cresol and guaiacol in wastewater is reported. Voltammetric responses obtained from an array of bulk modified (bio)sensors, containing enzymes such as tyrosinase and laccase, were combined with chemometric tools such as artificial neural networks (ANNs) for building the quantitative prediction model. [...]
2015 - 10.1002/elan.201400394
Electroanalysis, Vol. 27 Issue 1 (Jan. 2015) , p. 225-233  

Depósito Digital de Documentos de la UAB : Encontrados 140 registros   inicioanterior75 - 84siguientefinal  ir al registro:
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