Recent development of nano-materials used in DNA biosensors

K Xu, J Huang, Z Ye, Y Ying, Y Li - Sensors, 2009 - mdpi.com
As knowledge of the structure and function of nucleic acid molecules has increased,
sequence-specific DNA detection has gained increased importance. DNA biosensors based …

Direct voltammetric detection of DNA and pH sensing on epitaxial graphene: an insight into the role of oxygenated defects

CX Lim, HY Hoh, PK Ang, KP Loh - Analytical chemistry, 2010 - ACS Publications
In this paper, we carried out detailed electrochemical studies of epitaxial graphene (EG)
using inner-sphere and outer-sphere redox mediators. The EG sample was anodized …

Optimizing label-free DNA electrical detection on graphene platform

E Dubuisson, Z Yang, KP Loh - Analytical Chemistry, 2011 - ACS Publications
The anodized epitaxial graphene (EG) electrode demonstrates a high level of performance
for electrochemical impedance as well as differential pulse voltammetry detection of …

Multi-walled carbon nanotube-based nanobiosensor for the detection of cadmium in water

SP Sreekanth, A Alodhayb, AK Assaifan… - Environmental …, 2021 - Elsevier
Industrial and agricultural processes have led to the prevalence of cadmium in the
ecosystem. A successive build-up of cadmium in food and drinking water can result in …

DNA sensors based on CNT-FET with floating electrodes

B Kim, J Lee, S Namgung, J Kim, JY Park… - Sensors and Actuators B …, 2012 - Elsevier
We report a successful development of a floating electrode-based DNA sensor with
controllable responses. Here, metallic floating electrodes were fabricated to form Schottky …

Studies on the heterogeneous electron transport and oxygen reduction reaction at metal (Co, Fe) octabutylsulphonylphthalocyanines supported on multi-walled …

SA Mamuru, KI Ozoemena, T Fukuda, N Kobayashi… - Electrochimica …, 2010 - Elsevier
Heterogeneous electron transfer dynamics and oxygen reduction reaction (ORR) activities
using octabutylsulphonylphthalocyanine complexes of iron (FeOBSPc) and cobalt …

Electrochemical oxidation of sulfur-containing amino acids on an electrode modified with multi-walled carbon nanotubes

G Ziyatdinova, L Grigor'eva, M Morozov… - Microchimica Acta, 2009 - Springer
MWNT-modified electrodes are introduced for the voltammetric determination of sulfur-
containing amino acids. The morphology of the electrode surface has been characterized by …

Functionalized ensembles of nanoelectrodes as affinity biosensors for DNA hybridization detection

M Silvestrini, L Fruk, P Ugo - Biosensors and Bioelectronics, 2013 - Elsevier
A novel electrochemical biosensor for DNA hybridization detection based on nanoelectrode
ensembles (NEEs) is presented. NEEs are prepared by electroless deposition of gold into …

Effect of size and protein environment on electrochemical properties of gold nanoparticles on carbon electrodes

TI Abdullin, OV Bondar, II Nikitina, ER Bulatov… - …, 2009 - Elsevier
We studied the electrochemical properties of gold nanoparticles (GNPs) and their
complexes with proteins using square-wave voltammetry. Effect of the nanoparticle size and …

A new DNA-nanobiosensor based on G-quadruplex immobilized on carbon nanotubes modified glassy carbon electrode

MY Elahi, SZ Bathaie, MF Mousavi, R Hoshyar… - Electrochimica …, 2012 - Elsevier
The G-quadruplex (GDNA) was immobilized on multi-walled carbon nanotubes (MWCNTs)
modified glassy carbon electrode (CNT/GC). Prior to use, MWCNTs were treated with nitric …