scholarly journals Screen-Printed Electrodes Modified with Metal Nanoparticles for Small Molecule Sensing

Biosensors ◽  
2020 ◽  
Vol 10 (2) ◽  
pp. 9 ◽  
Author(s):  
Daniel Antuña-Jiménez ◽  
María Begoña González-García ◽  
David Hernández-Santos ◽  
Pablo Fanjul-Bolado
Keyword(s):  
Metal Oxides ◽  
Electrochemical Deposition ◽  
Surface Functionalization ◽  
Electrode Surface ◽  
Organic Molecule ◽  
Recent Progress ◽  
Metal Nanoparticle ◽  
Screen Printed Electrodes ◽  
Different Types ◽  
Screen Printed

Recent progress in the field of electroanalysis with metal nanoparticle (NP)-based screen-printed electrodes (SPEs) is discussed, focusing on the methods employed to perform the electrode surface functionalization, and the final application achieved with different types of metallic NPs. The ink mixing approach, electrochemical deposition, and drop casting are the usual methodologies used for SPEs’ modification purposes to obtain nanoparticulated sensing phases with suitable tailor-made functionalities. Among these, applications on inorganic and organic molecule sensing with several NPs of transition metals, bimetallic alloys, and metal oxides should be highlighted.

scholarly journals A Comparison of Commercially Available Screen-Printed Electrodes for Electrogenerated Chemiluminescence Applications

2021 ◽  
Vol 8 ◽  
Author(s):  
Emily Kerr ◽  
Richard Alexander ◽  
Paul S. Francis ◽  
Rosanne M. Guijt ◽  
Gregory J. Barbante ◽  
...  
Keyword(s):  
Electrode Surface ◽  
Homogeneous Solution ◽  
Electrogenerated Chemiluminescence ◽  
Platinum Electrodes ◽  
Oxide Formation ◽  
Detection Systems ◽  
Screen Printed Electrodes ◽  
Ordered Mesoporous ◽  
Surface Oxide Formation ◽  
Screen Printed

We examined a series of commercially available screen-printed electrodes (SPEs) for their suitability for electrochemical and electrogenerated chemiluminescence (ECL) detection systems. Using cyclic voltammetry with both a homogeneous solution-based and a heterogeneous bead-based ECL assay format, the most intense ECL signals were observed from unmodified carbon-based SPEs. Three commercially available varieties were tested, with Zensor outperforming DropSens and Kanichi in terms of sensitivity. The incorporation of nanomaterials in the electrode did not significantly enhance the ECL intensity under the conditions used in this evaluation (such as gold nanoparticles 19%, carbon nanotubes 45%, carbon nanofibers 21%, graphene 48%, and ordered mesoporous carbon 21% compared to the ECL intensity of unmodified Zensor carbon electrode). Platinum and gold SPEs exhibited poor relative ECL intensities (16% and 10%) when compared to carbonaceous materials, due to their high rates of surface oxide formation and inefficient oxidation of tri-n-propylamine (TPrA). However, the ECL signal at platinum electrodes can be increased ∼3-fold with the addition of a surfactant, which enhanced TPrA oxidation due to increasing the hydrophobicity of the electrode surface. Our results also demonstrate that each SPE should only be used once, as we observed a significant change in ECL intensity over repeated CV scans and SPEs cannot be mechanically polished to refresh the electrode surface.

IR spectroscopic investigations of chemical and photochemical reactions on metal oxides: bridging the materials gap

2017 ◽  
Vol 46 (7) ◽  
pp. 1875-1932 ◽  
Author(s):  
Yuemin Wang ◽  
Christof Wöll
Keyword(s):  
Metal Oxides ◽  
Single Crystals ◽  
Recent Progress ◽  
Photochemical Reactions ◽  
Reference Systems ◽  
Infrared Reflection Absorption Spectroscopy ◽  
Oxide Powders ◽  
Infrared Reflection ◽  
Different Types ◽  
Ir Spectroscopic

In this review, we highlight recent progress (2008–2016) in infrared reflection absorption spectroscopy (IRRAS) studies on oxide powders achieved by using different types of metal oxide single crystals as reference systems.

scholarly journals Inside the different types of carbon black as nanomodifiers for screen-printed electrodes

2019 ◽  
Vol 317 ◽  
pp. 673-683 ◽  
Author(s):  
Vincenzo Mazzaracchio ◽  
Maria Rita Tomei ◽  
Ilaria Cacciotti ◽  
Angelica Chiodoni ◽  
Chiara Novara ◽  
...  
Keyword(s):  
Carbon Black ◽  
Screen Printed Electrodes ◽  
Different Types ◽  
Screen Printed

Derivatization of SWCNTs with cobalt phthalocyanine residues and applications in screen printed electrodes for electrochemical detection of thiocholine

2011 ◽  
Vol 56 (11) ◽  
pp. 3988-3995 ◽  
Author(s):  
Elena Jubete ◽  
Kamila Żelechowska ◽  
Oscar A. Loaiza ◽  
Pedro J. Lamas ◽  
Estibalitz Ochoteco ◽  
...  
Keyword(s):  
Electrochemical Detection ◽  
Cobalt Phthalocyanine ◽  
Screen Printed Electrodes ◽  
Screen Printed

scholarly journals Toward the Rapid Diagnosis of Sepsis: Detecting Interleukin-6 in Blood Plasma Using Functionalized Screen-Printed Electrodes with a Thermal Detection Methodology

2021 ◽  
Author(s):  
Robert D. Crapnell ◽  
Whitchuta Jesadabundit ◽  
Alejandro García-Miranda Ferrari ◽  
Nina C. Dempsey-Hibbert ◽  
Marloes Peeters ◽  
...  
Keyword(s):  
Blood Plasma ◽  
Interleukin 6 ◽  
Rapid Diagnosis ◽  
Screen Printed Electrodes ◽  
Thermal Detection ◽  
In Blood Plasma ◽  
Screen Printed

Enhanced voltammetric response of monosodium glutamate on screen-printed electrodes modified with NiAl layered double hydroxide films

2021 ◽  
pp. 101055
Author(s):  
Dora Domnica Baciu ◽  
Ruxandra Bîrjega ◽  
Valentina Mărăscu ◽  
Rodica Zăvoianu ◽  
Andreea Matei ◽  
...  
Keyword(s):  
Layered Double Hydroxide ◽  
Monosodium Glutamate ◽  
Screen Printed Electrodes ◽  
Double Hydroxide ◽  
Screen Printed

Biological Multilayer Films Assembled by Redox Polymer and HRP on Screen-Printed Carbon Electrode

2012 ◽  
Vol 571 ◽  
pp. 56-59
Author(s):  
Yu Fang Sha ◽  
Mei Zhao ◽  
Ming Quan Yang ◽  
Hai Xin Bai ◽  
Man Zhao
Keyword(s):  
Horseradish Peroxidase ◽  
Electrostatic Interaction ◽  
Electrode Surface ◽  
Multilayer Films ◽  
Carbon Electrode ◽  
Layer By Layer ◽  
Redox Polymer ◽  
Screen Printed Carbon Electrode ◽  
Positively Charged ◽  
Screen Printed

Biological multilayer films of redox polymer and horseradish peroxidase (HRP) were successfully assembled on a screen-printed carbon electrode using layer-by-layer (LBL) assembled method based on the electrostatic interaction. The screen-printed carbon electrode surface was modified by the positively charged redox polymer, and the negatively charged HRP by LBL method.

Adsorption: an easy and efficient immobilisation of acetylcholinesterase on screen-printed electrodes

2003 ◽  
Vol 481 (2) ◽  
pp. 209-211 ◽  
Author(s):  
Christine Bonnet ◽  
Silvana Andreescu ◽  
Jean-Louis Marty
Keyword(s):  
Screen Printed Electrodes ◽  
Screen Printed
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