Electrochemical strategies for the label-free detection of amino acids, peptides and proteins

G Herzog, DWM Arrigan - Analyst, 2007 - pubs.rsc.org
Electrochemical methods for the detection of amino acids, peptides, and proteins in a variety
of media are reviewed. Label-free strategies in which the detection is based on the inherent …

Nanoscale potentiometry

E Bakker, E Pretsch - TrAC Trends in Analytical Chemistry, 2008 - Elsevier
Potentiometric sensors share unique characteristics that set them apart from other
electrochemical sensors. Potentiometric nanoelectrodes have been reported and …

Mussel‐inspired surface‐imprinted sensors for potentiometric label‐free detection of biological species

R Liang, J Ding, S Gao, W Qin - … Chemie International Edition, 2017 - Wiley Online Library
Using sensors to quantify clinically relevant biological species has emerged as a fascinating
research field due to their potential to revolutionize clinical diagnosis and therapeutic …

Micropatterned surfaces functionalized with electroactive peptides for detecting protease release from cells

DS Shin, Y Liu, Y Gao, T Kwa, Z Matharu… - Analytical …, 2013 - ACS Publications
Matrix metalloproteinases (MMPs) regulate composition of the extracellular matrix and play
a critical role in cancer, fibrosis, and wound healing. This article describes a novel peptide …

Electrochemical behaviour of haemoglobin at the liquid/liquid interface

G Herzog, V Kam, DWM Arrigan - Electrochimica acta, 2008 - Elsevier
The electrochemical behaviour of haemoglobin (Hb) at the liquid/liquid interface was
investigated. Based on ion transfer cyclic voltammetry and bulk ionolysis experiments, it is …

Cleavage-sensing redox peptide monolayers for the rapid measurement of the proteolytic activity of trypsin and α-thrombin enzymes

J Adjemian, A Anne, G Cauet, C Demaille - Langmuir, 2010 - ACS Publications
Ferrocene (Fc)-labeled peptides are end-grafted onto gold electrodes via a flexible
polyethylene glycol (PEG) linker, and their ability to act as substrates for proteolytic enzymes …

Performance of a portable biosensor for the analysis of ethion residues

E Khaled, MS Kamel, HNA Hassan, H Abdel-Gawad… - Talanta, 2014 - Elsevier
Sensitive disposable potentiometric sensors for determination of the organophosphorus
pesticide (OPs), ethion and its degradation residues have been constructed. The fabricated …

Detecting trypsin at liquid crystal/aqueous interface by using surface-immobilized bovine serum albumin

CH Chuang, YC Lin, WL Chen, YH Chen… - Biosensors and …, 2016 - Elsevier
We report a new mechanism for liquid crystal (LC)-based sensor system for trypsin
detection. In this system, bovine serum albumin (BSA) was immobilized on gold grids as the …

Nanostructured materials and nanoparticles for point of care (POC) medical biosensors

LC Brazaca, L Ribovski, BC Janegitz… - Medical biosensors for …, 2017 - Elsevier
We present a review on the use of nanomaterials in point-of-care (POC) electrochemical
biosensors applied to medicine, addressing their development and main advantages. We …

Electrochemical determination of trypsin using a heptapeptide substrate self-assembled on a gold electrode

M Dong, H Qi, S Ding, M Li - Microchimica Acta, 2015 - Springer
A simple and sensitive electrochemical method was developed for the determination of
trypsin by employing a specific heptapeptide (CRRRRRR) as a substrate. The positively …