Results 111 to 120 of about 13,307 (227)

Direct electrochemistry of Heme Proteins on Electrodes Modified with Didodecyldimethyl Ammonium Bromide and Carbon Black [PDF]

open access: yes, 2012
A novel matrix based on commercially available carbon black (CB) N220 and didodecyldimethyl ammonium bromide (DDAB) was shown to be a reliable support for direct electron transfer reactions between screen printed electrode (SPE) and Fe(III)-heme proteins.
Agu   +34 more
core   +2 more sources

Celiac disease detection using a transglutaminase electrochemical immunosensor fabricated on nanohybrid screen-printed carbon electrodes [PDF]

open access: yes, 2012
Celiac disease is a gluten-induced autoimmune enteropathy characterized by the presence of tissue tranglutaminase (tTG) autoantibodies. A disposable electrochemical immunosensor (EI) for the detection of IgA and IgG type anti-tTG autoantibodies in real
Costa-García, Agustín   +3 more
core   +1 more source

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

open access: yes, 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   +7 more
core   +2 more sources

Reduced graphene oxide-gadolinium oxide-functionalized paper based immunosensor for electrochemical detection of gentamicin

open access: yesBiosensors 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   +3 more
doaj   +1 more source

Simple Surface Functionalization Strategy for Immunosensing Detection of Aflatoxin B1

open access: yesInternational 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   +3 more
doaj   +1 more source

High-overtone Bulk-Acoustic Resonator gravimetric sensitivity: towards wideband acoustic spectroscopy

open access: yes, 2015
In the context of direct detection sensors with compact dimensions, we investigate the gravimetric sensitivity of High-overtone Bulk Acoustic Resonators, through modeling of their acoustic characteristics and experiment. The high frequency characterizing
Ballandras, S.   +5 more
core   +1 more source

Applications of electrochemical immunosensors for early clinical diagnostics

open access: yesTalanta, 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   +1 more
openaire   +4 more sources

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

open access: yesBiosensors 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   +4 more
doaj   +1 more source

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

open access: yes, 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   +2 more
core  

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

open access: yesSensing 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   +2 more
doaj   +1 more source

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