Results 91 to 100 of about 20,594 (209)

Epitaxial graphene immunosensor for human chorionic gonadotropin [PDF]

, 2014
Human chorionic gonadotropin (hCG), a 37 kDa glycoprotein hormone, is a key diagnostic marker of pregnancy and has been cited as an important biomarker in relation to cancerous tumors found in the prostate, ovaries and bladder.A novel chemically-modified
Deya Gonzalez, Owen Guy, Sofia Rodrigues Teixeira, Steve Conlan   +3 more
core   +1 more source

A nanoDiamond/gold nanoparticle-based electrochemical immunosensor for the detection of HER 2 cancer biomarker

Biosensors and Bioelectronics: X
We report a highly sensitive electrochemical immunosensor based on a nanohybrid platform for the detection of the breast cancer biomarker human epidermal growth factor receptor 2 (HER 2).
Foluke O.G. Olorundare, Sesethu Makaluza, Nyasha Midzi, Omotayo A. Arotiba, Duduzile Nkosi   +4 more
doaj   +1 more source

Automated-immunosensor with centrifugal fluid valves for salivary cortisol measurement

Sensing and Bio-Sensing Research, 2014
Point-of-care measurement of the stress hormone cortisol will greatly facilitate the timely diagnosis and management of stress-related disorders. We describe an automated salivary cortisol immunosensor, incorporating centrifugal fluid valves and a ...
Masaki Yamaguchi, Hiroki Katagata, Yuki Tezuka, Daisuke Niwa, Vivek Shetty   +4 more
doaj   +1 more source

Detection of small molecules with a flow immunosensor [PDF]

We describe the development of an easy-to-use sensor with widespread applications for detecting small molecules. The flow immunosensor can analyze discrete samples in under one minute or continuously monitor a flowing stream for the presence of specific ...
Kusterbeck, Anne W., Ligler, Frances S.
core   +1 more source

Electrochemical Magnetic Immunosensors for the Determination of Ceruloplasmin [PDF]

, 2013
Electrochemical immunosensors for ceruloplasmin (Cp) are reported for the first time. Two configurations involving magnetic beads (MBs) functionalized with Protein A or Streptavidin for immobilization of Cp antibodies were compared, using competitive ...
González Cortés, Araceli, Moreno Guzmán, María, Ojeda Fernández, Irene, Pingarrón Carrazón, José Manuel, Yáñez Sedeño, Paloma   +4 more
core   +2 more sources

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

Label-free Detection of Influenza Viruses using a Reduced Graphene Oxide-based Electrochemical Immunosensor Integrated with a Microfluidic Platform [PDF]

, 2017
Reduced graphene oxide (RGO) has recently gained considerable attention for use in electrochemical biosensing applications due to its outstanding conducting properties and large surface area. This report presents a novel microfluidic chip integrated with
A Kausaite-Minkstimiene, AG Crevillén, BS Ferguson, C Shan, D Du, D Lee, D Li, DS Reichmuth, F Schedin, F Shen, F Xia, G Liu, HA Becerril, I Janowska, J Kim, J Okuno, JC Meyer, JI Paredes, JS Bunch, K Kiilerich-Pedersen, KL Brogan, L Gervais, L Tang, LT Kao, M Jana, M Lin, M Pumera, M Zhou, MA Ali, N Mohanty, P Sharma, RB Couch, RK Srivastava, S Hong, S Srivastava, T Matsubara, T Ramanathan, TG Henares, V Chandra, WS Hummers, X Zhang, X Zhang, Y Amano, Y Zhu, YK Choi   +44 more
core   +2 more sources

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

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

Potential Electrochemical Coronary Artery Disease Diagnosis Based on A Periostin Immunoassay

International Journal of Electrochemical Science, 2017
The preparation of a sensitive amperometric immunosensor for periostin was achieved. The synthesis of golg nanoprobe was carried out through depositing the gold nanoparticles in situ on silica nanophere functionalized by polydopamine, which was followed ...
Xiu-Feng Zheng, Yuan-Yuan Wang, Lei Han, Xi-Chun Wang, Shi-Lei Zhao, Hui Zou   +5 more
doaj   +1 more source