Electrochemical biosensing based on noble metal nanoparticles

J Wang - Microchimica Acta, 2012 - Springer
The interest in the fabrication of electrochemical biosensors with high sensitivity, selectivity
and efficiency is rapidly growing. In recent years, noble metal nanoparticles (NMNPs), with …

Minute-scale detection of SARS-CoV-2 using a low-cost biosensor composed of pencil graphite electrodes

LF de Lima, AL Ferreira, MDT Torres… - Proceedings of the …, 2021 - National Acad Sciences
COVID-19 has led to over 3.47 million deaths worldwide and continues to devastate
primarily middle-and low-income countries. High-frequency testing has been proposed as a …

Functionalized gold nanoparticles for ultrasensitive DNA detection

LM Zanoli, R D'Agata, G Spoto - Analytical and bioanalytical chemistry, 2012 - Springer
A major challenge in the area of DNA detection is the development of rapid methods that do
not require polymerase chain reaction (PCR) amplification of the genetic sample. The PCR …

DNA analysis by application of Pt nanoparticle electrochemical amplification with single label response

SJ Kwon, AJ Bard - Journal of the American Chemical Society, 2012 - ACS Publications
This study demonstrates a highly sensitive sensing scheme for the detection of low
concentrations of DNA, in principle down to the single biomolecule level. The previously …

Beauty is skin deep: a surface monolayer perspective on nanoparticle interactions with cells and bio‐macromolecules

K Saha, A Bajaj, B Duncan, VM Rotello - Small, 2011 - Wiley Online Library
Surface recognition of biosystems is a critical component in the development of novel
biosensors and delivery vehicles, and for the therapeutic regulation of biological processes …

Recent Advances in Bio‐Templated Metallic Nanomaterial Synthesis and Electrocatalytic Applications

Y Pan, WJ Paschoalino, A Szuchmacher Blum… - …, 2021 - Wiley Online Library
Developing metallic nanocatalysts with high reaction activity, selectivity and practical
durability is a promising and active subfield in electrocatalysis. In the classical “bottom‐up” …

Tuning the bacterial detection sensitivity of nanostructured microelectrodes

J Das, SO Kelley - Analytical chemistry, 2013 - ACS Publications
Fast, sensitive nucleic acid sensors that enable direct detection of bacteria and diagnosis of
infectious disease would offer significant advantages over existing approaches that employ …

Cathodic activation of titanium-supported gold nanoparticles: an efficient and stable electrocatalyst for the hydrogen evolution reaction

MA Amin, SA Fadlallah, GS Alosaimi… - international journal of …, 2016 - Elsevier
As-polished titanium (Ti) substrates decorated with dispersed gold nanoparticles (Au NPs/Ti)
of various sizes and densities were prepared here to effectively catalyze hydrogen evolution …

Electrochemical sensor based on direct electron transfer of HIV-1 virus at Au nanoparticle modified ITO electrode

JH Lee, BK Oh, JW Choi - Biosensors and Bioelectronics, 2013 - Elsevier
In this study, for the first time, an electrochemical detection method was proposed to detect
direct electron transfer signal from HIV-1 Virus. Au nanoparticles were fabricated on the …

Approaching single DNA molecule detection with an ultrasensitive electrochemical genosensor based on gold nanoparticles and cobalt-porphyrin DNA conjugates

B Kaur, K Malecka, DA Cristaldi, CS Chay… - Chemical …, 2018 - pubs.rsc.org
We describe an ultrasensitive electrochemical genosensor based on gold nanoparticles and
cobalt-porphyrin functionalised ssDNA probes. The sensitivity at the attomolar concentration …