DNA biosensors and microarrays

A Sassolas, BD Leca-Bouvier, LJ Blum - Chemical reviews, 2008 - ACS Publications
Development of DNA biosensors and DNA microarrays has increased tremendously over
the past few years as demonstrated by the large number of scientific publications in this area …

DNA-mediated electrochemistry

AA Gorodetsky, MC Buzzeo, JK Barton - Bioconjugate chemistry, 2008 - ACS Publications
The base pair stack of DNA has been demonstrated as a medium for long-range charge
transport chemistry both in solution and at DNA-modified surfaces. This chemistry is …

DNA charge transport over 34 nm

JD Slinker, NB Muren, SE Renfrew, JK Barton - Nature chemistry, 2011 - nature.com
Molecular wires show promise in nanoscale electronics, but the synthesis of uniform, long
conductive molecules is a significant challenge. Deoxyribonucleic acid (DNA) of precise …

DNA electrochemistry: Charge-transport pathways through DNA films on gold

A Nano, AL Furst, MG Hill, JK Barton - Journal of the American …, 2021 - ACS Publications
Over the past 25 years, collective evidence has demonstrated that the DNA base-pair stack
serves as a medium for charge transport chemistry in solution and on DNA-modified gold …

Smartphone-Interfaced Electrochemical Biosensor for microRNA Detection Based on Laser-Induced Graphene with π–π Stacked Peptide Nucleic Acid Probes

SC Barman, M Ali, EA Hasan, N Wehbe… - ACS Materials …, 2024 - ACS Publications
The development of ultrasensitive, rapid, and robust point-of-care devices for biomarker
detection holds great promise to revolutionize clinical diagnostics. Notably, microRNA has …

DNA electrochemistry with tethered methylene blue

CG Pheeney, JK Barton - Langmuir, 2012 - ACS Publications
Methylene blue (MB′), covalently attached to DNA through a flexible C12 alkyl linker,
provides a sensitive redox reporter in DNA electrochemistry measurements. Tethered …

Methylene blue-mediated electrocatalytic detection of hexavalent chromium

LE Korshoj, AJ Zaitouna, RY Lai - Analytical chemistry, 2015 - ACS Publications
We report, for the first time, the design and fabrication of an electrochemical ion (E-ION)
sensor for highly specific detection of hexavalent chromium (Cr (VI)). Unlike previously …

Dual-ratiometric aptasensor for streptomycin detection based on the in-situ coupling of photoelectrochemical and electrochemical assay with a bifunctional probe of …

D Liu, S Meng, X Shen, Y Li, X Yan, T You - Sensors and Actuators B …, 2021 - Elsevier
This work reports a dual-ratiometric aptasensor based on the in-situ coupling of
photoelectrochemical (PEC) and electrochemical (EC) assay for streptomycin (STR) …

Unmediated by DNA electron transfer in redox-labeled DNA duplexes end-tethered to gold electrodes

A Abi, EE Ferapontova - Journal of the American Chemical …, 2012 - ACS Publications
Electron transfer (ET) between gold electrodes and redox-labeled DNA duplexes,
immobilized onto the electrodes through the alkanethiol linker at the 3′-end and having …

Electron transfer in DNA and in DNA-related biological processes. Electrochemical insights

F Boussicault, M Robert - Chemical Reviews, 2008 - ACS Publications
Guanine is the most easily oxidizable base in DNA under various oxidative conditions (see
section 4), including in the presence of the hydroxyl radical (OH•) and related radicals …