Results 81 to 90 of about 592,957 (153)

A disposable electrochemical immunosensor for the determination of leptin in serum and breast milk [PDF]

, 2013
The preparation of a disposable electrochemical immunosensor for the quantification of the hormone leptin is described in this work. The preparation approach involved immobilization of a specific biotinylated anti-leptin antibody on the surface of ...
María Moreno-Guzmán, Araceli González-Cortés, Ojeda Fernández, Irene, González Cortés, Araceli, Pingarrón Carrazón, José Manuel, Yáñez-Sedeño Orive, Paloma, José M. Pingarrón, Paloma Yáñez-Sedeño, Irene Ojeda, Moreno Guzmán, María   +9 more
core   +1 more source

Magnetic Nanoparticles Immobilization and Functionalization for Biosensor Applications

International 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

Electrochemical Immunoassay Analysis of Apolipoprotein A for Potential Diagnosis of Coronary Artery Disease

International Journal of Electrochemical Science, 2017
The development of sensitive detection method for human apolipoprotein A (Apo-A) that is an important marker for coronary artery disease is highly demanded.
Lei Liu, Xianen Fa, Yuyang Zhou, Chengshan Gao, Haibin Yu   +4 more
doaj   +1 more source

Desenvolvimento de imunossensores à base de cristais líquidos e nanopartículas de ouro para detecção de biomarcadores cardíacos [PDF]

, 2014
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas, Programa de Pós-Graduação em Química, Florianópolis, 2014Este trabalho relata o desenvolvimento de três novos imunossensores eletroquímicos label-free ...
Zapp, Eduardo
core  

Ultra-sensitive immunosensing of snake venom by functionalized Sm-Co doped antimony-tungstate

Applied Microbiology and Biotechnology
Snake venom has long-term physiological effects on survivor’s life. An electrochemical immunosensor based on samarium-cobalt-doped antimony tungstate (Sb2WO4@Sm-Co) is developed via a solvothermal method to detect snake venom antigens (SVA).
Rimsha Batool, Sana Shaheen, Batool Fatima, Dilshad Hussain, Ukasha Jawad, Ayub Alam, Muhammad Najam-ul-Haq   +6 more
doaj   +1 more source

A Novel Label-Free Amperometric Immunosensor Based on Graphene Sheets-Methylene Blue Nanocomposite/Gold Nanoparticles

International Journal of Electrochemical Science, 2014
In this study, a sensitive, label-free amperometric immunosensor based on graphene sheets-methylene blue nanocomposite and gold nanoparticles (GS-MB/GNPs) for the direct determination of chlorpyrifos residues was exploited. To fabricate the immunosensor,
Lu Qiao, Xiangyou Wang, Xia Sun
doaj   +1 more source

Study of the Electrochemical Impedance Immunosensor

Highlights in Science, Engineering and Technology, 2023
Colloidal gold has been extensively studied for its unique properties in various fields, including diagnostics and therapeutics. The colloidal gold electrochemical impedance immunosensor is a promising tool in antigen detection. It has high sensitivity, specificity, and rapid results.
openaire   +1 more source

Cadmium telluride quantum dot-assisted detection of human epididymis protein 4 through electrochemical immunosensing for early detection of ovarian cancer

International Journal of Electrochemical Science
Ovarian cancer remains one of the deadliest gynecological malignancies due to the scarcity of reliable early diagnostic tools and the non-specific nature of its symptoms.
Ezinne U. Ekwujuru, Cornelius C. Ssemakalu, Moses G. Peleyeju, Michael J. Klink   +3 more
doaj   +1 more source

Screen Printed Carbon Electrode Based Electrochemical Immunosensor for the Detection of Dengue NS1 Antigen

Diagnostics, 2014
An electrochemical immunosensor modified with the streptavidin/biotin system on screen printed carbon electrodes (SPCEs) for the detection of the dengue NS1 antigen was developed in this study.
Om Parkash, Chan Yean Yean, Rafidah Hanim Shueb   +2 more
doaj   +1 more source

Reduced graphene oxide-gadolinium oxide-functionalized paper based immunosensor for electrochemical detection of gentamicin

Biosensors and Bioelectronics: X
Excessive consumption of antibiotics like gentamicin (GEN) can lead to hostile effects as antibiotic resistance. Therefore, the detection is important for which, reduced graphene oxide-Gadolinium oxide nanocomposite (rGO@Gd2O3 NC) was composed through co-
Jayendra Kumar Himanshu, G.B.V.S. Lakshmi, Akhilesh Kumar Singh, Pratima R. Solanki   +3 more
doaj   +1 more source