Results 31 to 40 of about 13,220 (227)

Development of a highly sensitive noncompetitive electrochemical immunosensor for the detection of atrazine by phage anti-immunocomplex assay [PDF]

, 2014
The development of immunosensors for the detection of small molecules is of great interest because of their simplicity, high sensitivity and extended analytical range.
Arevalo, Fernando Javier, Fernandez, Hector, González Sapienza, Gualberto, González Techera, Andrés, Molina, Patricia Gabriela, Zon, María Alicia   +5 more
core   +1 more source

Nanoparticles as Emerging Labels in Electrochemical Immunosensors [PDF]

Sensors, 2019
This review shows recent trends in the use of nanoparticles as labels for electrochemical immunosensing applications. Some general considerations on the principles of both the direct detection based on redox properties and indirect detection through electrocatalytic properties, before focusing on the applications for mainly proteins detection, are ...
Alba Iglesias-Mayor, Olaya Amor-Gutiérrez, Agustín Costa-García, Alfredo de la Escosura-Muñiz   +3 more
openaire   +3 more sources

Immunoelectrochemical Detection of Prostate-Specific Antigen on PEDOT/Cerium Phosphate Nanotubes Modified ITO Electrode

ECS Advances, 2023
Herein, a label-free electrochemical immunosensor was developed to detect prostate-specific antigen (PSA), a biomarker for prostate cancer. The immunosensor was fabricated by modifying one-dimensional nanomaterial CePO _4 nanotubes, electrodepositing ...
Huaju Zhang, Ping Xia, Cheng Chen, Yuchun Fu, Haizhu Shi, Cenxuan Wang, Guowei Zhang, Shun Feng   +7 more
doaj   +1 more source

Disposable Voltammetric Immunosensor for D-Dimer Detection as Early Biomarker of Thromboembolic Disease and of COVID-19 Prognosis

Biosensors, 2022
In this work, we report on the development of a simple electrochemical immunosensor for the detection of D-dimer protein in human plasma samples.
Cristina Tortolini, Valeria Gigli, Antonio Angeloni, Luciano Galantini, Federico Tasca, Riccarda Antiochia   +5 more
doaj   +1 more source

Labeless and reversible immunosensor assay based upon an electrochemical current-transient protocol [PDF]

, 2003
A novel labeless and reversible immunoassay based upon an electrochemical current-transient protocol is reported which offers many advantages in comparison to classical immuno-biochemical analyses in terms of simplicity, speed of response, reusability
Davis, Frank, Gibson, Timothy D., Grant, Sarah, Higson, Seamus P. J., Law, Karen A., Pritchard, Jeanette A.   +5 more
core   +1 more source

A reagentless electrochemical immunosensor for sensitive detection of carcinoembryonic antigen based on the interface with redox probe-modified electron transfer wires and effectively immobilized antibody

Frontiers in Chemistry, 2022
Convenient and sensitive detection of tumors marked in serum samples is of great significance for the early diagnosis of cancers. Facile fabrication of reagentless electrochemical immunosensor with efficient sensing interface and high sensitivity is ...
Jing Zhang, Jing Zhang, Luoxing Yang, Jie Pei, Jie Pei, Yanzhang Tian, Yanzhang Tian, Jiyang Liu   +7 more
doaj   +1 more source

Inhibition-based first-generation electrochemical biosensors: theoretical aspects and application to 2,4-dichlorophenoxy acetic acid detection [PDF]

, 2016
In this work, several theoretical aspects involved in the first-generation inhibition-based electrochemical biosensor measurements have been discussed. In particular, we have developed a theoretical-methodological approach for the characterization of the
Antiochia, Riccarda, Bollella, Paolo, Favero, Gabriele, Fusco, Giovanni, Mazzei, Franco, Sanzo', Gabriella, Tortolini, Cristina   +6 more
core   +1 more source

Application of an Electrochemical Immunosensor with a MWCNT/PDAA Modified Electrode for Detection of Serum Trypsin

Sensors, 2014
Objective: To establish an electrochemical immunosensor for the determination of serum trypsin levels using a multiwall carbon nanotubes (MWCNTs)-composite-modified electrode.
Qiang Yi, Qicai Liu, Feng Gao, Qingquan Chen, Guina Wang   +4 more
doaj   +1 more source

Design of highly stabilized nanocomposite inks based on biodegradable polymer-matrix and gold nanoparticles for Inkjet Printing [PDF]

, 2019
Nowadays there is a worldwide growing interest in the Inkjet Printing technology owing to its potentially high levels of geometrical complexity, personalization and resolution.
Aguilera Velázquez, José Raúl, Alcudia Cruz, Ana, Begines Ruiz, Belén, He, Yinfeng, Martínez Muñoz, Guillermo, Wildman, Ricky   +5 more
core   +1 more source

Electrochemical immunosensor based on polythionine/gold nanoparticles for the determination of Aflatoxin B1 [PDF]

, 2008
An aflatoxin B1 (AFB1) electrochemical immunosensor was developed by the immobilisation of aflatoxin B1-bovine serum albumin (AFB1-BSA) conjugate on a polythionine (PTH)/gold nanoparticles (AuNP)-modified glassy carbon electrode (GCE).
Arotiba, Omotayo A., Baker, Priscilla, Hendricks, Nicolette, Iwuoha, Emmanuel I., Jahed, Nazeem, Ngece, Rachel F., Owino, Joseph H.O., Songa, Everlyne, Waryo, Tesfaye T.   +8 more
core   +4 more sources