Advances in biosensors: Principle, architecture and applications

V Perumal, U Hashim - Journal of applied biomedicine, 2014 - Elsevier
The ability to detect pathogenic and physiologically relevant molecules in the body with high
sensitivity and specificity offers a powerful opportunity in the early diagnosis and treatment of …

A short footnote: Circuit design for faradaic impedimetric sensors and biosensors

ZO Uygun, HDE Uygun - Sensors and Actuators B: Chemical, 2014 - Elsevier
Electrochemical impedance spectroscopy (EIS) is an electrochemical surface
characterization technique and has been widely used in biosensor and chemical sensors …

Sensitive detection of perfluoroalkyl substances using MXene–AgNP-based electrochemical sensors

R Khan, ZO Uygun, D Andreescu, S Andreescu - ACS sensors, 2024 - ACS Publications
Per-and polyfluoroalkyl substances (PFAS) pose a significant threat to the environment due
to their persistence, ability to bioaccumulate, and harmful effects. Methods to quantify PFAS …

Dual chemical bonding construction of electrochemical peptide sensor based on GDY/MOFs (Fe) composite for ultra-low determination of prostate-specific antigen

Y Ren, J Li, W Wu, X Yu, M Tao, Y Han, Y Lin, Z Shi… - Talanta, 2024 - Elsevier
A novel “double chemical bonding” electrochemical peptide biosensor 2FcP-GA-GDY (Fe)@
NMIL-B was developed for highly selective, ultrasensitive, and ultrastable identification of …

Electrochemical immunoassay for detection of prostate specific antigen based on peptide nanotube-gold nanoparticle-polyaniline immobilized pencil graphite …

T Vural, YT Yaman, S Ozturk, S Abaci… - Journal of colloid and …, 2018 - Elsevier
In this work, we developed a disposable amperometric sandwich-type immunoassay to
detect prostate specific antigen (PSA). A self-assembled peptide nanotube (PNT), gold …

[HTML][HTML] Characterization of electrode performance in enzymatic biofuel cells using cyclic voltammetry and electrochemical impedance spectroscopy

AA Bojang, HS Wu - Catalysts, 2020 - mdpi.com
The main objective of this study was to examine the quantitative performance of the
electrochemical redox reaction of glucose by glucosidase and oxygen with laccase in a …

Non-invasive cortisol detection in saliva by using molecularly cortisol imprinted fullerene-acrylamide modified screen printed electrodes

HDE Uygun, ZO Uygun, E Canbay, FG Sağın, E Sezer - Talanta, 2020 - Elsevier
In this study, we developed an impedimetric sensor system by using molecularly cortisol
imprinted acrylamide polymers on fullerene modified carbon electrode to detect cortisol in …

A sensitive and disposable electrochemical immunosensor for detection of SOX2, a biomarker of cancer

EB Aydın, MK Sezgintürk - Talanta, 2017 - Elsevier
A novel, sensitive, disposable indium tin oxide (ITO)-based electrochemical immunosensor
was developed firstly for simple, rapid determination of Sex-determining region Y-box 2 …

Effect of dendrimer-based interlayers for enzyme immobilization on a model electrochemical sensing system for glutamate

M Urbanowicz, K Sadowska, B Lemieszek… - …, 2023 - Elsevier
In this paper, we discuss dendrimer usage in enzyme-based electrochemical biosensors,
particularly with respect to biomolecule loading on the sensing surface. A novel approach to …

Fullerene-PAMAM (G5) composite modified impedimetric biosensor to detect Fetuin-A in real blood samples

ZO Uygun, Ç Şahin, M Yılmaz, Y Akçay, A Akdemir… - Analytical …, 2018 - Elsevier
The aim of this study is to develop a nanomaterial-dendrimer composite modified biosensor
to detect Fetuin-A (HFA) in real blood samples. For this purpose, we designed an …