Results 21 to 30 of about 12,615 (201)

Development of an electrochemical immunosensor for aflatoxin M1 in milk with focus on matrix interference. [PDF]

open access: yes, 2009
A simple sensor method was developed for aflatoxin M1 analysis to be applied directly with milk by using antibody modified screen-printed carbon working electrode with carbon counter and silver–silver chloride pseudo-reference electrode. A competitive
Parker, Charlie O., Tothill, Ibtisam E.
core   +1 more source

Electrochemical immunosensor detection for lactoferrin in milk powder

open access: yesInternational Journal of Electrochemical Science, 2018
A lactoferrin (LF) immunosensor was fabricated by immobilizing an LF monoclonal antibody on a gold electrode, and the assembly process was tracked by cyclic voltammetric measurements and electrochemical impedance spectroscopy.
Junyi Huang   +6 more
doaj   +1 more source

A Novel Electrochemical Immunosensor for Detection of AngiotensinII at a Glass Carbon Electrode Modified by Carbon Nanotubes/Chitosan Film

open access: yesInternational Journal of Electrochemical Science, 2013
A novel electrochemical competitive immunosensor was successfully developed for the detection AngiotensinII using the glass carbon electrode (GCE) modified with the single-walled carbon nanotubes/chitosan (SWNTs/CS) film.
Rong Luo   +7 more
doaj   +1 more source

Magnetic Nanoparticles Immobilization and Functionalization for Biosensor Applications

open access: yesInternational Journal of Electrochemistry, 2011
We describe an approach for E. coli bacteria detection using an electrochemical immunosensor. The immunosensor was based on functionalized magnetic nanoparticles immobilized onto bare gold electrode.
M. B. Mejri, A. Tlili, A. Abdelghani
doaj   +1 more source

Fabrication of an Electrochemical Immunosensor Containing Au–Ag Alloy for the Detection of Alpha Fetoprotein

open access: yesInternational Journal of Electrochemical Science, 2017
This study presented the enzyme-free determination of alpha fetoprotein (AFP) using a new electrochemical immunosensor. Our proposed immunosensor consisted of a sandwich system involving catalytic Au–Ag nanocrystals.
Shilong Yu   +4 more
doaj   +1 more source

The potentiality of the functionalized nitrogen and thiol-doped graphene quantum dots (GQDs-N-S) to stabilize the antibodies in the designing of human chorionic gonadotropin immunosensor [PDF]

open access: yesNanochemistry Research, 2019
In this study, for the first time, a simple immunosensor for ultrasensitive recognition of Human Chorionic Gonadotropin (hCG) in serum samples was fabricated by exploiting a simple approach.
Mahmoud Roushani   +2 more
doaj   +1 more source

An Exfoliated Graphite-Based Electrochemical Immunosensor on a Dendrimer/Carbon Nanodot Platform for the Detection of Carcinoembryonic Antigen Cancer Biomarker

open access: yesBiosensors, 2019
An electrochemical immunosensor for the quantification of carcinoembryonic antigen (CEA) using a nanocomposite of polypropylene imine dendrimer (PPI) and carbon nanodots (CNDTs) on an exfoliated graphite electrode (EG) is reported.
Azeez O. Idris   +2 more
doaj   +1 more source

A Bifunctional Nanosilver-Reduced Graphene Oxide Nanocomposite for Label-Free Electrochemical Immunosensing

open access: yesFrontiers in Chemistry, 2021
A bi-functional material based on silver nanoparticles (AgNPs)-reduced graphene oxide (rGO) composite for both electrode modification and signal generation is successfully synthesized for use in the construction of a label-free electrochemical ...
Supakeit Chanarsa   +6 more
doaj   +1 more source

Multiplexed Immunosensors and Immunoarrays [PDF]

open access: yesAnalytical Chemistry, 2019
Immunoassays make use of highly specific antigen-antibody binding and provide sensitive ways to detect a wide range of biomacromolecules, bacteria, viruses, and small molecules. There are a range of types of immunoassay systems including single analyte sensors, 96-well plate formats, arrays, microfluidic sensors, microfluidic arrays, etc.
Abby Jones   +4 more
openaire   +2 more sources

Impedimetric Label-Free Immunosensor on Disposable Modified Screen-Printed Electrodes for Ochratoxin A

open access: yesBiosensors, 2016
An impedimetric label-free immunosensor on disposable screen-printed carbon electrodes (SPCE) for quantitative determination of Ochratoxin A (OTA) has been developed.
Francesca Malvano   +4 more
doaj   +1 more source

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