Results 11 to 20 of about 6,397 (186)

Development of electrochemical immunosensor for quantitative detection of non-small cell lung cancer (NSCLC) biomaker YES1

Biosensors and Bioelectronics: X, 2023
Non-small cell lung cancer (NSCLC) is the most common type of lung cancer accounting for 85% of all newly diagnosed cases. Its prognosis remains poor as most patients are diagnosed at an advanced stage.
Lucia K. Kiio, John O. Onyatta, Peter M. Ndangili, Florence Oloo, Carolina Santamaría, Luis M. Montuenga, Damaris N. Mbui   +6 more
doaj   +1 more source

Application of the 2, 4-dichlorophenoxyacetic acid online monitoring using immunosensor technology

上海师范大学学报. 自然科学版, 2018
The 2, 4-dichlorophenoxyacetic acid (2, 4-D) online immunosensor was characterized from the point of application in this study. Our experimental results showed that Logistic curve could be used to describe the response of 2, 4-D online immunosensor to ...
YU Qiongzhen, ZHANG Chenglin, ZHU Zhihua, CUI Wanjun, LIU Guangli, SONG Baodong, WANG Wei, YE Bo   +7 more
doaj   +1 more source

Poly-ortho-phenylenediamine Modified Pt/Ir Microelectrode as Impedimetric Biosensor

International Journal of Electrochemical Science, 2021
A low impedance between the microelectrode surface and brain biological tissue interface is important for a good signal quality during immunosensor recording to prevent tissue damage during electrical stimulation.
Norazreen Zakaria, Yusairie Mohd, Lim Ying Chin, Muhammad Noor Jalil, Zainiharyati Mohd Zain   +4 more
doaj   +1 more source

Comparison between a Direct-Flow SPR Immunosensor for Ampicillin and a Competitive Conventional Amperometric Device: Analytical Features and Possible Applications to Real Samples

Sensors, 2017
In this research, we developed a direct-flow surface plasmon resonance (SPR) immunosensor for ampicillin to perform direct, simple, and fast measurements of this important antibiotic.
Mauro Tomassetti, Giovanni Merola, Elisabetta Martini, Luigi Campanella, Gabriella Sanzò, Gabriele Favero, Franco Mazzei   +6 more
doaj   +1 more source

Nitrogen-doped Graphene Modified Glassy Carbon Electrode for Electrochemical Determination of Breast Cancer Marker Carbohydrate Antigen 15-3

International Journal of Electrochemical Science, 2017
In this study, an electrochemical immunosensor based on nitrogen-doped graphene sheets (N-GS) for label-free and sensitive determination of CA15-3 was prepared.
Liqiong Liu, Jinglei Gao, Lanqing Guo, Jun Xu   +3 more
doaj   +1 more source

Electrochemical immunosensor detection for lactoferrin in milk powder

International 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, Ziyu He, Jie Cao, Jiang Hong, Zhengjun Wu, Haiyan Gao, Xianyan Liao   +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

International 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, Wei Zhang, Wei Cheng, Dan Zhao, Yahui Li, Xiaojuan Lin, Fang Dong, Shijia Ding   +7 more
doaj   +1 more source

Multiplexed Immunosensors and Immunoarrays [PDF]

Analytical 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, Lasangi Dhanapala, Rumasha N. T. Kankanamage, Challa V. Kumar, James F. Rusling   +4 more
openaire   +2 more sources

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

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

International 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, Xuefeng Wu, Baosheng Sun, Wei Wu, Hui Wang   +4 more
doaj   +1 more source