Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Óscar A. Loaiza"'
Autor:
Kamila Żelechowska, Jan F. Biernat, Elena Jubete, Pedro J. Lamas, Estibalitz Ochoteco, Kenneth P. Roberts, Óscar A. Loaiza, Kevin D. Farmer
Publikováno v:
Electrochimica Acta. 56:3988-3995
Single-walled carbon nanotubes (SWCNTs) derivatized with cobalt phthalocyanine (CoPh) were applied onto screen-printed graphite electrodes (SPEs) to be used for the low-potential electrochemical oxidation of thiocholine (TCh). Covalent attachment of
Autor:
Óscar A. Loaiza, Javier Rodríguez, Hans J. Grande, Germán Cabañero, Elena Jubete, Estibalitz Ochoteco
Publikováno v:
Biosensors and Bioelectronics. 26:2194-2200
In this article, a disposable magnetic DNA sensor using an enzymatic amplification strategy for the detection of specific hybridization processes, based on the coupling of streptavidin-peroxidase to biotinylated target sequences, has been developed.
Publikováno v:
The Analyst. 134:34-37
An extremely sensitive procedure for the isolation and detection of DNA from bacterial cell cultures is described. Direct asymmetric PCR amplified products from E. coli cultures are specifically detected, at a concentration level as low as 0.01 cfu m
Autor:
Elena Jubete, Javier Rodríguez, José A. Pomposo, Estibalitz Ochoteco, Hans J. Grande, Óscar A. Loaiza
Publikováno v:
Journal of Sensors, Vol 2009 (2009)
Screen-printing technology is a low-cost process, widely used in electronics production, especially in the fabrication of disposable electrodes for (bio)sensor applications. The pastes used for deposition of the successive layers are based on a polym
Autor:
Pedro García, M. Isabel Pividori, Susana Campuzano, Óscar A. Loaiza, María Pedrero, José M. Pingarrón
Publikováno v:
Digital.CSIC. Repositorio Institucional del CSIC
instname
instname
7 páginas, 8 figuras, 1 tabla -- PAGS nros. 8239-8245
Disposable magnetic DNA sensors using an enzyme-amplified strategy for the specific detection of a gene related to the Enterobacteriaceae bacterial family, based on the coupling of streptavi
Disposable magnetic DNA sensors using an enzyme-amplified strategy for the specific detection of a gene related to the Enterobacteriaceae bacterial family, based on the coupling of streptavi
Publikováno v:
Electroanalysis. 20:1397-1405
This paper describes specific electrochemical enterobacteriaceae lac Z gene DNA sensors based on immobilization of a thiolated 25 base single stranded probe onto disposable screen printed gold electrodes (gold SPEs). Two configurations have been eval
Autor:
José M. Pingarrón, María Pedrero, Ana Guzmán Vázquez de Prada, Susana Campuzano, Óscar A. Loaiza
Publikováno v:
Sensors and Actuators B: Chemical. 132:250-257
An electrochemical biosensor, constructed by immobilization of the enzyme horseradish peroxidase (HRP) by cross-linking atop a 3- mercaptopropionic acid (MPA) self-assembled monolayer modified gold electrode, was employed for the amperometric detecti
Autor:
Óscar A. Loaiza, A.J. Reviejo, Paloma Martínez-Ruiz, D. Morales, José M. Pingarrón, A. Guzmán-Vázquez de Prada, B. Serra
Publikováno v:
Analytical and Bioanalytical Chemistry. 388:227-234
A molecularly imprinted polymer was developed and used for solid-phase extraction (MISPE) of the antihelmintic fenbendazole in beef liver samples. Detection of the analyte was accomplished using square wave voltammetry (SWV) at a cylindrical carbon f
Autor:
Joseph Wang, Jared Burdick, Marcella C. Rodríguez, Rawiwan Laocharoensuk, Óscar A. Loaiza, María Pedrero, José M. Pingarrón
Publikováno v:
Angewandte Chemie International Edition. 46:1508-1511
Autor:
José M. Pingarrón, F. Javier Manuel de Villena, María Pedrero, Susana Campuzano, Óscar A. Loaiza
Publikováno v:
Bioelectrochemistry. 63:199-206
A bienzyme biosensor for the simultaneous determination of glucose and fructose was developed by coimmobilising glucose oxidase (GOD), fructose dehydrogenase (FDH), and the mediator, tetrathiafulvalene (TTF), by cross-linking with glutaraldehyde atop