Results 101 to 110 of about 20,776 (229)

Ferrocene and multiwalled carbon nanotubes functionalized carbon paste electrode: a label-free impedimetric immunosensor for the early detection of prostate cancer

Cancer Nanotechnology
The increasing demand to progress in the field of bio-sensor technology for the development of a specific bio-sensor in different fields of research for routine analysis has attracted a number of scientists for their interest in the field of biosensor ...
Lakkavarapu Suresh, Nidhi Panday, Bondili Sesharam Singh, Riyaz Ahmad Dar, Pradeep Kumar Brahman   +4 more
doaj   +1 more source

High Sensitive Sandwich-type Electrochemical IgG Immunosensor Based on a Nanocomposite of Carbon Nanotube and Multifunctional Ionic Liquid Containing Aldehyde and Ferrocene Groups as Labels

International Journal of Electrochemical Science, 2018
Using a nanocomposite of carbon nanotube and multifunctional ionic liquid as labels and chitosan as platform, we fabricated a sandwich-type electrochemical immunosensor.
Youming Shen, Guangyu Shen, Youyu Zhang
doaj   +1 more source

An Ultrasensitive Electrochemical Immunosensor for in Situ Detection of GABA in Plant Leaves

ChemElectroChem
Gamma‐aminobutyric acid (GABA) is involved in the signal transduction and metabolism of various substances in plants. Its in vivo detection in plants is of great importance for understanding its physiological role.
Haotong Wu, Yueyue Wang, Qian Wei, Bin Luo, Cheng Wang, Peichen Hou, Aixue Li   +6 more
doaj   +1 more source

Advancing CEA quantification: Designing a sensitive electrochemical immunosenor using MWCNT/Ni(OH)2 nanocomposite

Heliyon
An ultra-sensitive immunosensor was designed for the accurate determination of Carcinoembryonic Antigen (CEA). To enhance the performance of immunosensor, an MWCNT/Ni(OH)2 nanocomposite was utilized as the electrochemical interface and modifier of the ...
Ali Shamsazar, Mahsa Soheili Moghaddam, Asadollah Asadi, Majid Mahdavi   +3 more
doaj   +1 more source

A Novel Label-Free Electrochemical Immunosensor for the Detection of Thyroid Transcription Factor 1 Using Ribbon-like Tungsten Disulfide-Reduced Graphene Oxide Nanohybrids and Gold Nanoparticles

Molecules
Thyroid transcription factor 1 (TTF1) is an important cancer-related biomarker for clinical diagnosis, especially for carcinomas of lung and thyroid origin.
Wenjing Wang, Huabiao Tang, Leiji Zhou, Zhaohui Li   +3 more
doaj   +1 more source

Characterization of gold nanoparticle layer deposited on gold electrode by various techniques for improved sensing abilities [PDF]

, 2016
The deposition of gold nanoparticles (AuNPs) on the surface of gold electrode is believed to enhance the electrochemical characteristics of the surface. According to the existing literature, this could be performed in various ways.
Adriaens, Mieke, Amoabediny, Ghassem, De Keersmaecker, Michel, Hosseini, Morteza, Khashayar, Patricia, Larijani, Bagher, Schaubroeck, David, Vanfleteren, Jan, Verplancke, Rik   +8 more
core   +1 more source

A novel label-free electrochemiluminescence immunosensor for oral cancer marker monitoring based on luminol-functionalized PPy/AgNPs nanocomposite

Alexandria Engineering Journal
This study was performed to develop a developed label-free electrochemiluminescence (ECL) immunosensor for the selective and sensitive detection of interleukin-8 (IL-8) antigen as a biomarker in oral cancer.
Songlin Zhou, Yue Li, Peiru Yang, Yutao Qin, Anwen Lei, Chao Deng, Yi Sun, Jue Zhang, Hai Liu   +8 more
doaj   +1 more source

MicroRNA detection on microsensor arrays by SPR imaging measurements with enzymatic signal enhancement. [PDF]

, 2019
We investigated sequence-specific and simultaneous microRNA (miRNA) detections by surface plasmon resonance (SPR) imaging measurements on SPR chips possessing an Au spot array modified with probe DNAs based on a miRNA-detection-selective SPR signal ...
Aoki, Hiroshi, Corn, Robert M, Matthews, Brandon   +2 more
core  

Sensing viruses by mechanical tension of DNA in responsive hydrogels

, 2013
The rapid worldwide spread of severe viral infections, often involving novel modifications of viruses, poses major challenges to our health care systems. This means that tools that can efficiently and specifically diagnose viruses are much needed.
Cherstvy, Andrey G., Metzler, Ralf, Shin, Jaeoh   +2 more
core   +2 more sources

Impedimetric immunosensors—A review

Electrochimica Acta, 2010
This review outlines the theoretical background of impedimetric biosensors and presents different types of impedimetric immunosensors along with the instrumental approaches that have been so far proposed in the literature for the evaluation of their performance.
openaire   +2 more sources