Results 111 to 120 of about 13,220 (227)

Atrazine analysis using an amperometric immunosensor based on single-chain antibody fragments and regeneration-free multi-calibrant measurement. [PDF]

, 2003
This work describes the development of an electrochemical immunosensor for the analysis of atrazine using recombinant single-chain antibody (scAb) fragments.
Grennan, Kathleen, Killard, Anthony J., Porter, Andrew J., Smyth, Malcolm R., Strachan, Gillian   +4 more
core   +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

Silicon Nanowire Immunosensor for Detection of 8-Hydroxy-2^|^apos;-Deoxyguanosine Oxidative Stress Cancer Biomarker [PDF]

, 2014
A silicon nanowire-based immunosensor has been developed to determine the presence of 8-hydroxy-2'-deoxyguanosine (8-OHdG). This research demonstrates a process for the detection of 8-OHdG, which is an oxidative stress biomarker, in which elevated ...
D. J. Thomas, M. A. B. Mohd Azmi, Z. Therani   +2 more
core   +1 more source

Amperometric separation-free immunosensor for real-time environmental monitoring [PDF]

, 2001
Immunoanalytical techniques have found widespread use due to the characteristics of specificity and wide applicability for many analytes, from large polymer antigens, to simple haptens, and even single atoms.
Franek, M, Grennan, K, Killard, A.J, Kolar, V, Micheli, L, Moscone, D, Palchetti, I, Smyth, M.R.   +7 more
core   +2 more sources

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

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  

Simple Surface Functionalization Strategy for Immunosensing Detection of Aflatoxin B1

International Journal of Electrochemical Science, 2016
This paper describes the strategy of functionalization of gold electrodes surfaces in aim to obtain a new impedimetric immunosensor for the detection of aflatoxin B1, a common toxic food contaminant.
Mihaela Badea, Laura Floroian, Patrizia Restani, Marius Moga   +3 more
doaj   +1 more source

Applications of electrochemical immunosensors for early clinical diagnostics

Talanta, 2015
Cancer and cardiovascular diseases are the major threats to global health. Hence, there is a growing demand for a range of portable, rapid and low cost biosensing devices for the detection of these diseases. Electrochemical immunosensors are simple, rapid, reliable and inexpensive devices and they have sensitive detection limits to monitor both levels ...
Bahadir, Elif Burcu, Sezginturk, Mustafa Kemal   +1 more
openaire   +4 more sources

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

Thermal reduction synthesis approach of reduced graphene oxide for the preparation of a label-free and prompt immuno sensing of Salmonella enterica via electrochemical techniques

Sensing and Bio-Sensing Research
This work comprises an immunosensor fabrication decorated with reduced graphene oxide (rGO) onto Indium tin oxide (ITO) coated electrodes to detect Salmonella enterica antigen.
Nahid Rehman, Ashutosh Pandey, Anjana Pandey   +2 more
doaj   +1 more source