Buscar
Mostrando ítems 1-10 de 136
Carbon nanotubes-based electrochemical (bio)sensors for biomarkers
(Elsevier Science, 2017-12)
This review is focused on the critical discussion about the most representative carbon nanotubes(CNTs)-based electrochemical (bio)sensors for the quantification of different biomarkers of clin-ical relevance reported in ...
Recent advances in the development of electrochemical hydrogen peroxide carbon nanotube–based (bio)sensors
(Elsevier, 2019-03)
The relevance of H2O2 as biomarker for different neurodegenerative diseases and cancer has been one of the most significant incentives for the development of new (bio)sensors that allow a more sensitive, selective, fast, ...
Doble role of bathocuproine disulfonic acid as multi-walled carbon nanotubes dispersing agent and copper preconcentration ligand: Analytical applications for the development of hydrogen peroxide and glucose electrochemical sensors
(Elsevier Science, 2020-11)
We are reporting a new strategy for preparing carbon nanotubes (CNTs)-based hydrogen peroxide and glucose amperometric sensors by taking advantage of the dual role of bathocuproine disulfonic acid (BCS) as dispersing agent ...
Analytical development of a binuclear oxo-manganese complex bio-inspired on oxidase enzyme for doping control analysis of acetazolamide
(2016-05-15)
A bio-inspired electrochemical sensor using a binuclear oxo-manganese complex was evaluated and applied in the detection of a substance associated with doping in sports: acetazolamide (ACTZ). Investigation was made of the ...
Optimized electrochemical biosensor for human prostatic acid phosphatase
(Elsevier B.V., 2017-12-01)
An innovative and sensitive label-free electrochemical biosensor platform for detecting human prostatic acid phosphatase (hPAP) is proposed herein. The methodology uses impedance-derived immittance functions (ImFs) for ...
Development of impedimetric sensors and biosensors based on screen-printed carbon electrodes for detection of analytes of medical, environmental and industrial interests
(Universidade Federal de Minas GeraisBrasilENG - DEPARTAMENTO DE ENGENHARIA QUÍMICAPrograma de Pós-Graduação em Engenharia QuímicaUFMG, 2020-04-03)
The advent of sensing technologies for various applications has increased the quality of human life especially for providing sensitive, selective and fast responses. Contrary, traditional analytical assays still face some ...
Development of a label-free immunosensor based on surface plasmon resonance technique for the detection of anti-Leishmania infantum antibodies in canine serum
(Elsevier Advanced TechnologyOxfordInglaterra, 2013)
Polyethylenimine functionalized with dopamine: Characterization and electrocatalytic properties
(Wiley VCH Verlag, 2010-06)
We report the chemical modification of polyethylenimine (PEI) by functionalization with dopamine (Do) using glutaraldehyde (Glu) as a linker (PEI-Glu-Do). The new polymer was characterized by FT-IR spectroscopy, by derivative ...
Comparative study of the electrochemical behavior and analytical applications of (bio)sensing platforms based on the use of multi-walled carbon nanotubes dispersed in different polymers
(Elsevier Science, 2013-10)
This review present a critical comparison of the electrochemical behavior and analytical performance of glassy carbon electrodes (GCE) modified with carbon nanotubes (CNTs) dispersed in different polymers: polyethylenimine ...
Quantification of hydrogen peroxide using poly Fe (III)-5-Amino 1,10 phenantroline
(The Electrochemical Society, 2009-06)
This work reports the results obtained with a composite prepared by dispersing multiple-wall carbon nanotubes in mineral oil (CNTPE) modified with a polymeric matrix of poly Fe(III)-5- Amino 1,10 phenanthroline (MCNTPE). ...