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Voltammetric determination of total iron in fuel ethanol using a 1,10 fenantrol...
Mattos, Cleiton dos Santos [UNESP]; do Carmo, Devaney Ribeiro [UNESP]; de Oliveira, Marcelo Firmino; Stradiotto, Nelson Ramos [UNESP]Made available in DSpace on 2022-04-28T20:56:57Z (GMT). No. of bitstreams: 0 Previous issue date: 2008-12-01; This work presents a methodology for iron determination in fuel ethanol using a modified carbon paste electrode with 1.10 fenantroline/nafion. The electrochemical parameters were optimized for the proposed system and the voltammetric technique of square wave was employed for iron determination. An accum...
Molecularly imprinted electrochemical sensor for monitoring mercaptan sulfur in...
Falone, Max Fabrício [UNESP]; Buffon, Edervaldo [UNESP]; Stradiotto, Nelson Ramos [UNESP]Made available in DSpace on 2022-05-01T08:44:41Z (GMT). No. of bitstreams: 0 Previous issue date: 2022-01-01; Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP); This work reports the development and application of a molecularly imprinted electrochemical sensor based on the electropolymerization of pyrrole film on glassy carbon electrode for monitoring mercaptan sulfur in aviation biofuel. To this en...
Sample preparation and antibiotic quantification in vinasse generated from suga...
da Silva, Josiel José [UNESP]; da Silva, Bianca Ferreira [UNESP]; Zanoni, Maria Valnice Boldrin [UNESP]; Stradiotto, Nelson Ramos [UNESP]Made available in DSpace on 2022-05-01T13:41:25Z (GMT). No. of bitstreams: 0 Previous issue date: 2022-03-15; Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq); Vinasse - liquid organic residue derived from the production of sugarcane ethanol fuel, has been applied as soil amendment via fertigation for decades in Brazil. This organic residue is an important source of nutrients and water for s...
Voltammetric behavior of a modified electrode with azide copper octa(3-aminopro...
do Carmo, Devaney Ribeiro [UNESP]; Paim, Leonardo Lataro [UNESP]; Silvestrini, Daniela Rodrigues [UNESP]; de Sá, Acelino Cardoso [UNESP]Made available in DSpace on 2022-04-28T22:37:16Z (GMT). No. of bitstreams: 0 Previous issue date: 2011-04-01; A novel nanostructured composite, azide copper octa (3-aminopropyl)octasilsesquioxane (ASCA) was incorporated into a graphite paste electrode and the electrochemical studies were conducted with cyclic voltammetry. The cyclic voltammogram of the modified graphite paste electrode with ASCA (GPE-ASCA), sho...
Synthesis and preliminary characterization of octakis (chloropropyldimethylsilo...
Carmo, Devaney Ribeiro Do [UNESP]; Dias Filho, Newton Luiz [UNESP]; Stradiotto, Nelson Ramos [UNESP]Made available in DSpace on 2021-07-14T10:47:52Z (GMT). No. of bitstreams: 0 Previous issue date: 2004-09. Added 1 bitstream(s) on 2021-07-14T11:38:27Z : No. of bitstreams: 1 S1516-14392004000300020.pdf: 387751 bytes, checksum: fca87c5ddc3632c7f1d15e369692ff99 (MD5); Octakis (hydridodimethylsiloxy) octasilsesquioxane was hydrosilated with allyl chloride using Spiers catalyst (H2PtCl6). This reaction was monitor...
Non-enzymatic lactose molecularly imprinted sensor based on disposable graphite...
da Silva, José Luiz [UNESP]; Buffon, Edervaldo [UNESP]; Beluomini, Maísa Azevedo [UNESP]; Pradela-Filho, Lauro Antonio; Gouveia Araújo, Diele AparecidaMade available in DSpace on 2021-06-25T10:45:32Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-01-25; Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP); Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq); Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES); Fundação de Amparo à Pesquisa do Estado de Minas Gerais (FAPEMIG); Lactose (LAC) is a disaccharide - m...
Electrosynthesis of three-dimensional nanoporous nickel on screen-printed elect...
Beluomini, Maísa Azevedo [UNESP]; Stradiotto, Nelson Ramos [UNESP]; Boldrin, Maria Valnice [UNESP]Made available in DSpace on 2021-06-25T10:55:04Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-08-15; In this study, an electrochemical sensor was designed for the detection of narirutin using three-dimensional nanostructured porous nickel on screen-printed electrode (3DnpNi/SPE). The modified electrode was successfully synthesized by the dynamic hydrogen bubble template method. The 3DnpNi/SPE was chara...
Underivatized amino acids detection by anion-exchange chromatography coupled to...
da Silva, José Luiz [UNESP]; Delfino, José Rodrigues [UNESP]; Stradiotto, Nelson Ramos [UNESP]Made available in DSpace on 2021-06-25T10:59:50Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-06-01; This work reports the development of a fast and reliable amperometric sensor for the detection of amino acids. The detector was constructed using copper nanoparticles (CuNPs) supported on reduced graphene oxide (RGO) modified glassy carbon electrode (CuNPs-RGO/GCE) and based on the application of high p...
Identification of organic contaminants in vinasse and in soil and groundwater f...
da Silva, Josiel José [UNESP]; da Silva, Bianca Ferreira [UNESP]; Stradiotto, Nelson Ramos [UNESP]; Petrović, Mira; Gros, Meritxell; Gago-Ferrero, PabloMade available in DSpace on 2021-06-25T11:06:44Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-03-20; Centres de Recerca de Catalunya; Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP); Generalitat de Catalunya; This work evaluated for the first time the sustainability of vinasse reuse as a fertilizer in sugarcane crops by assessing the occurrence of organic contaminants and their potential ...
Pressurized Liquid Extraction (PLE) and QuEChERS evaluation for the analysis of...
da Silva, Josiel José [UNESP]; da Silva, Bianca Ferreira [UNESP]; Stradiotto, Nelson Ramos [UNESP]; Petrovic, Mira; Gago-Ferrero, Pablo; Gros, MeritxellMade available in DSpace on 2021-06-25T11:08:50Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-01-01; Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP); Vinasse, a liquid waste which originates from the production of ethanol fuel from sugarcane, has been widely used as soil amendment in Brazil. An important concern that arises from vinasse reuse is the dissemination of antibiotics to the env...