Results 41 to 50 of about 20,776 (229)

Preparation of Immunosensor Based on the SiO2- Au composite for Lung Cancer-Associated Antigen Determination

International Journal of Electrochemical Science, 2016
A sensitive immunosensor with gold nanoprobe for the detection of carcinoembryonic antigen (CEA) was synthesized. The immunosensor was prepared by the covalent immobilization of antibodies on Au NPs-PDA-silica/GCE which was firstly prepared by in situ ...
Xiao Li, Xiaoju Zhang, Zheng Wang, Qianqian Zhang, Weixia Xuan, Lijun Ma   +5 more
doaj   +1 more source

A critical evaluation of direct electrical protein detection methods [PDF]

, 1991
During the last decennia many protein-related electrical phenomena have been studied and applied in a variety of measuring systems, from simple metal electrodes with adsorbed proteins to sophisticated systems with lipid bilayers.
Bergveld, P.
core   +2 more sources

Exploring the Potential of Zero‐Dimensional Carbon Nanomaterials in Photoluminescent, Electrochemiluminescent and Electrochemical Sensors

Advanced Materials Interfaces, EarlyView.
Zero‐dimensional carbon nanomaterials are presented as multifunctional platforms linking structure, property, and sensing performance. Surface engineering and heteroatom doping modulate electron‐transfer and luminescent behavior, enabling electrochemical, photoluminescent, and electrochemiluminescent detection. Fundamental design principles, analytical
Gustavo Martins, Jeferson Luiz Gogola, Ava Gevaerd, Cristiane Kalinke, Paulo Roberto de Oliveira, Fabio Roberto Caetano, Bruno Campos Janegitz, Márcio Fernando Bergamini, Luiz Humberto Marcolino‐Junior   +8 more
wiley   +1 more source

Detecting age-related changes in faecal vasoactive intestinal polypeptide using a 3D-printed electrochemical immunosensor

Biosensors and Bioelectronics: X
Vasoactive intestinal polypeptide (VIP) is a 28-amino acid neuropeptide with a multitude of diverse physiological functions, including vasodilation, immune modulation, and most notable gastrointestinal regulation.
Khalil K. Hussain, Chloe Miller, Mark Yeoman, Bhavik Anil Patel   +3 more
doaj   +1 more source

Label-Free Amperometric Immunosensor Based on Versatile Carbon Nanofibers Network Coupled with Au Nanoparticles for Aflatoxin B₁ Detection

Biosensors, 2020
Facile detection methods for mycotoxins with high sensitivity are of great significance to prevent potential harm to humans. Herein, a label-free amperometric immunosensor based on a 3-D interconnected carbon nanofibers (CNFs) network coupled with well ...
Yunhong Huang, Fei Zhu, Jinhua Guan, Wei Wei, Long Zou   +4 more
doaj   +1 more source

Indium tin oxide overlayered waveguides for sensor applications [PDF]

, 1997
The use of indium tin oxide (ITO) thin films as electrodes for integrated optical electrochemical sensor devices is discussed. The effect of various thicknesses of ITO overlayers exhibiting low resistivity and high transparency on potassium ion-exchanged
Balasubramanian, Buchanan, Chung, Dobrowolski, Gnewuch, Heideman, Huber, Ingenhoff, Itoh, Kane, Kremeskötter, Lambeck, Latz, Lavers, Marantonio, Martinez, Maruyama, Miliou, Nason, Okamura, Piraud, Ross, Scholten, Sethi, Sloper, Weiss, Wilson, Woollam, Yao, Yip, Zhou   +30 more
core   +1 more source

Unlocking the Potential of MXene‐Based Electrochemical Biosensors: A Review of Biofunctionalization Strategies and Biosensing Principles

Advanced Materials Technologies, EarlyView.
ABSTRACT Electrochemical biosensors enable the accurate and timely detection of clinical biomarkers, improving healthcare and precision medicine. MXene nanosheets, a class of 2D transition metal carbides, nitrides, and carbonitrides, are promising materials for developing next‐generation electrochemical biosensors due to their unique physicochemical ...
Muhsin Ali, Sharat Chandra Barman, Isobel Steer, Aya H. Alshareef, Dana Alsulaiman   +4 more
wiley   +1 more source

A novel electrochemical immunosensor based on Fe3O4@graphene nanocomposite modified glassy carbon electrode for rapid detection of Salmonella in milk

Journal of Dairy Science, 2022
: Foods contaminated by foodborne pathogens have always been a great threat to human life. Herein, we constructed an electrochemical immunosensor for Salmonella detection by using a Fe3O4@graphene modified electrode.
Kaiwen Feng, Ting Li, Cuizhu Ye, Xiaoyu Gao, Xianglin Yue, Shuangyan Ding, Qiuling Dong, Mingqi Yang, Ganhui Huang, Jinsheng Zhang   +9 more
doaj   +1 more source

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

Multimodal Multiorgan‐on‐a‐Chip Platform for Probing Liver‐Tumor Interactions and Advancing Prodrug Screening

Advanced Science, EarlyView.
This work introduces a multimodal multi‐OoC platform that overcomes current limitations in liver‐tumor interaction studies and prodrug screening. By integrating dynamic microfluidic circuits, electrochemical sensing, and mass analysis, this platform enables non‐invasive, longitudinal monitoring of drug metabolism and hepatotoxicity, offering a ...
Dan Wang, Yisong Huang, Weijian Zhao, Tian Chen, Siyu Bai, Denghui Guo, Mengying Wang, Yaoyao Zhao, Liang Zhao, Guangsheng Guo, Xiayan Wang   +10 more
wiley   +1 more source