Search Results - "Loaiza, Oscar A"

Disposable amperometric biosensor based on lactate oxidase immobilised on platinum nanoparticle-decorated carbon nanofiber and poly(diallyldimethylammonium chloride) films by Lamas-Ardisana, Pedro J., Loaiza, Oscar A., Añorga, Larraitz, Jubete, Elena, Borghei, Maryam, Ruiz, Virginia, Ochoteco, Estibalitz, Cabañero, Germán, Grande, Hans J.

“…A novel biosensor for lactate has been developed, using screen-printed carbon electrodes (SPCE) and lactate oxidase (LOx). The active surface of the electrodes…”
Get full text

SenSARS: A Low-Cost Portable Electrochemical System for Ultra-Sensitive, Near Real-Time, Diagnostics of SARS-CoV-2 Infections by Perdomo, Sammy A., Ortega, Viviana, Jaramillo-Botero, Andres, Mancilla, Nelson, Mosquera-DeLaCruz, Jose Hernando, Valencia, Drochss Pettry, Quimbaya, Mauricio, Contreras, Juan David, Velez, Gabriel Esteban, Loaiza, Oscar A., Gomez, Adriana, de la Roche, Jhonattan

“…A critical path to solving the SARS-CoV-2 pandemic, without further socioeconomic impact, is to stop its spread. For this to happen, pre- or asymptomatic…”
Get full text

A comparative study of different carbon materials as metal-free catalysts for oxygen reduction and hydrogen evolution reactions in alkaline media by Ortiz-Restrepo, John E., Loaiza, Oscar A., Urresta, Julian Diel, Velasquez, Jose D., Pastor, Elena, Chaur, Manuel N., Lizcano-Valbuena, William H.

“…Herein we investigate four different carbon materials, pristine Carbon Nano-Onions (p-CNOs), oxidized Carbon Nano-Onions (o-CNOs), Graphene Material (GM), and…”
Get full text

Graphitized carbon nanofiber–Pt nanoparticle hybrids as sensitive tool for preparation of screen printing biosensors. Detection of lactate in wines and ciders by Loaiza, Oscar A., Lamas-Ardisana, Pedro J., Añorga, Larraitz, Jubete, Elena, Ruiz, Virginia, Borghei, Maryam, Cabañero, Germán, Grande, Hans J.

“…This work describes the fabrication of a new lactate biosensor. The strategy is based on the use of a novel hybrid nanomaterial for amperometric biosensors…”
Get full text

Nanostructured Disposable Impedimetric Sensors as Tools for Specific Biomolecular Interactions: Sensitive Recognition of Concanavalin A by Loaiza, Oscar A, Lamas-Ardisana, Pedro J, Jubete, Elena, Ochoteco, Estibalitz, Loinaz, Iraida, Cabañero, Germán, García, Isabel, Penadés, Soledad

“…The development of sensors to detect specific weak biological interactions is still today a challenging topic. Characteristics of carbohydrate-protein (lectin)…”
Get full text

Disposable Magnetic DNA Sensors for the Determination at the Attomolar Level of a Specific Enterobacteriaceae Family Gene by Loaiza, Óscar A, Campuzano, Susana, Pedrero, María, Pividori, M. Isabel, García, Pedro, Pingarrón, José M

“…Disposable magnetic DNA sensors using an enzyme-amplified strategy for the specific detection of a gene related to the Enterobacteriaceae bacterial family,…”
Get full text

Gold coated ferric oxide nanoparticles based disposable magnetic genosensors for the detection of DNA hybridization processes by Loaiza, Óscar A., Jubete, Elena, Ochoteco, Estibalitz, Cabañero, German, Grande, Hans, Rodríguez, Javier

“…In this article, a disposable magnetic DNA sensor using an enzymatic amplification strategy for the detection of specific hybridization processes, based on the…”
Get full text

Derivatization of SWCNTs with cobalt phthalocyanine residues and applications in screen printed electrodes for electrochemical detection of thiocholine by Jubete, Elena, Żelechowska, Kamila, Loaiza, Oscar A., Lamas, Pedro J., Ochoteco, Estibalitz, Farmer, Kevin D., Roberts, Kenneth P., Biernat, Jan F.

“…► We have performed covalent attachment of cobalt phthalocyanine (CoPh) to SWCNTs via stable sulfonamide bonds, and have applied them on screen printing…”
Get full text

Adaptive Orientation of Multifunctional Nanowires for Magnetic Control of Bioelectrocatalytic Processes by Loaiza, Óscar A., Laocharoensuk, Rawiwan, Burdick, Jared, Rodríguez, Marcella C., Pingarron, Jose M., Pedrero, Maria, Wang, Joseph

“…Charging ahead: Adaptive functional nanowires can be used for magnetoswitchable bioelectrocatalysis. This control is accomplished by changing the surface…”
Get full text

Designs of Enterobacteriaceae Lac Z Gene DNA Gold Screen Printed Biosensors by Loaiza, Óscar A., Campuzano, Susana, Pedrero, María, Pingaron, José M.

“…This paper describes specific electrochemical enterobacteriaceae lac Z gene DNA sensors based on immobilization of a thiolated 25 base single stranded probe…”
Get full text

Ultrasensitive detection of coliforms by means of direct asymmetric PCR combined with disposable magnetic amperometric genosensors by Loaiza, Oscar A, Campuzano, Susana, Pedrero, María, García, Pedro, Pingarrón, José M

“…An extremely sensitive procedure for the isolation and detection of DNA from bacterial cell cultures is described. Direct asymmetric PCR amplified products…”
Get more information

Molecularly imprinted polymer solid-phase extraction coupled to square wave voltammetry at carbon fibre microelectrodes for the determination of fenbendazole in beef liver by Guzmán-Vázquez de Prada, A, Loaiza, Oscar A, Serra, B, Morales, D, Martínez-Ruiz, P, Reviejo, A. J, Pingarrón, J. M

“…A molecularly imprinted polymer was developed and used for solid-phase extraction (MISPE) of the antihelmintic fenbendazole in beef liver samples. Detection of…”
Get full text

DNA sensor based on an Escherichia coli lac Z gene probe immobilization at self-assembled monolayers-modified gold electrodes by Loaiza, Óscar A., Campuzano, Susana, Pedrero, María, Pingarrón, José M.

“…A novel approach to construct an electrochemical DNA sensor based on immobilization of a 25 base single-stranded probe, specific to E. coli lac Z gene, onto a…”
Get full text

Amperometric DNA quantification based on the use of peroxidase-mercaptopropionic acid-modified gold electrodes by Loaiza, Óscar A., Campuzano, Susana, Prada, Ana Guzmán-Vázquez de, Pedrero, María, Pingarrón, José M.

“…An electrochemical biosensor, constructed by immobilization of the enzyme horseradish peroxidase (HRP) by cross-linking atop a 3-mercaptopropionic acid (MPA)…”
Get full text

Monitoreo electroquímico y caracterización microbiana de una celda de combustible microbiana alimentada con aguas residuales domésticas inoculada con lodo anaeróbico/Electrochemical Monitoring and Microbial Characterization of a Domestic Wastewater-Fed Microbial Fuel Cell Inoculated with Anaerobic Sludge by Vejarano, Felipe, Benitez-Campo, Neyla, Bravo-Montano, Enrique, Loaiza, Oscar A, Lizcano-Vabuena, William H

“…Una celda de combustible microbiana de doble camara con catodo inmerso en el agua fue operada con aguas residuales domesticas para investigar la capacidad…”
Get full text

Electrochemical Monitoring and Microbial Characterization of a Domestic Wastewater-Fed Microbial Fuel Cell Inoculated with Anaerobic Sludge by Vejarano, Felipe, Bravo-Montaño, Enrique, Benítez-Campo, Neyla, Loaiza, Oscar A., Lizcano-Valbuena, William

“…A dual-chambered microbial fuel cell with aqueous cathode was operated with domestic wastewater to investigate the electrogenic ability of anaerobic bacteria…”
Get full text

Development of a DNA Sensor Based on Alkanethiol Self- Assembled Monolayer-Modified Electrodes by Loaiza, Óscar A., Campuzano, Susana, López-Berlanga, María, Pedrero, María, Pingarrón, José M.

“…An electrochemical DNA biosensor based on recognition of double or singlestranded DNA (ds-DNA/ss-DNA) immobilised on a self-assembled modified gold electrodeis…”
Get full text

An integrated bienzyme glucose oxidase–fructose dehydrogenase–tetrathiafulvalene-3-mercaptopropionic acid–gold electrode for the simultaneous determination of glucose and fructose by Campuzano, Susana, Loaiza, Óscar A., Pedrero, Marı́a, de Villena, F.Javier Manuel, Pingarrón, José M.

“…A bienzyme biosensor for the simultaneous determination of glucose and fructose was developed by coimmobilising glucose oxidase (GOD), fructose dehydrogenase…”
Get full text

Adaptive Orientation of Multifunctional Nanowires for Magnetic Control of Bioelectrocatalytic Processes by Loaiza, Óscar A., Laocharoensuk, Rawiwan, Burdick, Jared, Rodríguez, Marcella C., Pingarron, Jose M., Pedrero, Maria, Wang, Joseph

“…Einfach den Schalter umgelegt: Adaptive funktionelle Nanodrähte lassen sich für die magnetisch schaltbare Bioelektrokatalyse nutzen. Dazu wird einfach die…”
Get full text

Adaptive Orientation of Multifunctional Nanowires for Magnetic Control of Bioelectrocatalytic Processes by Loaiza, Óscar A., Laocharoensuk, Rawiwan, Burdick, Jared, Rodríguez, Marcella C., Pingarron, Jose M., Pedrero, Maria, Wang, Joseph

Get full text