Electrochemical sensors of octylphenol based on molecularly imprinted poly(3,4-ethylenedioxythiophene) and poly(3,4-ethylenedioxythiophene–gold nanoparticles)

RSC Advances ◽  
2015 ◽  
Vol 5 (71) ◽  
pp. 57671-57677 ◽  
Author(s):  
Yanhui Pan ◽  
Faqiong Zhao ◽  
Baizhao Zeng
Keyword(s):  
Gold Nanoparticles ◽  
Electrochemical Sensors ◽  
Graphene Nanoribbons ◽  
Analytical Performance ◽  
Molecularly Imprinted ◽  
Octyl Phenol

Two molecularly imprinted electrochemical sensors are fabricated by using EDOT and EDOT–AuNPs as monomers, respectively. The sensors show good analytical performance for OP sensing. Note: graphene nanoribbons (GNRs), 3,4-ethylenedioxythiophene (EDOT), 4-tert-octyl-phenol (OP).

Electrochemical sensors based on molecularly imprinted polymers on Fe3O4/graphene modified by gold nanoparticles for highly selective and sensitive detection of trace ractopamine in water

The Analyst ◽  
2018 ◽  
Vol 143 (21) ◽  
pp. 5094-5102 ◽  
Author(s):  
Ying Li ◽  
Wenkai Xu ◽  
Xueru Zhao ◽  
Yanfeng Huang ◽  
Junjun Kang ◽  
...  
Keyword(s):  
Gold Nanoparticles ◽  
Electrochemical Sensor ◽  
Molecularly Imprinted Polymer ◽  
Molecularly Imprinted Polymers ◽  
Electrochemical Sensors ◽  
Sensitive Detection ◽  
Imprinted Polymer ◽  
Molecularly Imprinted ◽  
Imprinted Polymers

Gold-modified molecularly imprinted polymer-based electrochemical sensor for selectively monitoring ractopamine in water.

Molecularly Imprinted Sensor for Ascorbic Acid Based on Gold Nanoparticles and Multiwalled Carbon Nanotubes

2020 ◽  
Vol 16 (7) ◽  
pp. 905-913
Author(s):  
Youyuan Peng ◽  
Qingshan Miao
Keyword(s):  
Carbon Nanotubes ◽  
Gold Nanoparticles ◽  
Ascorbic Acid ◽  
Multiwalled Carbon Nanotubes ◽  
Ph Value ◽  
Biological Fluids ◽  
Water Soluble ◽  
Multiwalled Carbon ◽  
Experimental Conditions ◽  
Molecularly Imprinted

Background: L-Ascorbic acid (AA) is a kind of water soluble vitamin, which is mainly present in fruits, vegetables and biological fluids. As a low cost antioxidant and effective scavenger of free radicals, AA may help to prevent diseases such as cancer and Parkinson’s disease. Owing to its role in the biological metabolism, AA has also been utilized for the therapy of mental illness, common cold and for improving the immunity. Therefore, it is very necessary and urgent to develop a simple, rapid and selective strategy for the detection of AA in various samples. Methods: The molecularly imprinted poly(o-phenylenediamine) (PoPD) film was prepared for the analysis of L-ascorbic acid (AA) on gold nanoparticles (AuNPs) - multiwalled carbon nanotubes (MWCNTs) modified glass carbon electrode (GCE) by electropolymerization of o-phenylenediamine (oPD) and AA. Experimental parameters including pH value of running buffer and scan rates were optimized. Scanning electron microscope (SEM), fourier-transform infrared (FTIR) spectra, cyclic voltammetry (CV) and differential pulse voltammetry (DPV) were utilized for the characterization of the imprinted polymer film. Results: Under the selected experimental conditions, the DPV peak currents of AA exhibit two distinct linear responses ranging from 0.01 to 2 μmol L-1 and 2 to 100 μmol L-1 towards the concentrations of AA, and the detection limit was 2 nmol L-1 (S/N=3). Conclusion: The proposed electrochemical sensor possesses excellent selectivity for AA, along with good reproducibility and stability. The results obtained from the analysis of AA in real samples demonstrated the applicability of the proposed sensor to practical analysis.

Theoretical study and analytical performance of a lysozyme impedimetric microsensor based on a molecularly imprinted chitosan film

2021 ◽  
pp. 129903
Author(s):  
Fares Zouaoui ◽  
Saliha Bourouina-Bacha ◽  
Mustapha Bourouina ◽  
Albert Alcacer ◽  
Joan Bausells ◽  
...  
Keyword(s):  
Theoretical Study ◽  
Chitosan Film ◽  
Analytical Performance ◽  
Molecularly Imprinted

scholarly journals Molecularly Imprinted Polymers Combined with Electrochemical Sensors for Food Contaminants Analysis

Molecules ◽  
2021 ◽  
Vol 26 (15) ◽  
pp. 4607
Author(s):  
Dounia Elfadil ◽  
Abderrahman Lamaoui ◽  
Flavio Della Pelle ◽  
Aziz Amine ◽  
Dario Compagnone
Keyword(s):  
Food Safety ◽  
Molecularly Imprinted Polymers ◽  
Electrochemical Sensors ◽  
Low Cost ◽  
Electrochemical Analysis ◽  
Ease Of Use ◽  
Electrochemical Sensing ◽  
Food Contaminants ◽  
Molecularly Imprinted ◽  
Imprinted Polymers

Detection of relevant contaminants using screening approaches is a key issue to ensure food safety and respect for the regulatory limits established. Electrochemical sensors present several advantages such as rapidity; ease of use; possibility of on-site analysis and low cost. The lack of selectivity for electrochemical sensors working in complex samples as food may be overcome by coupling them with molecularly imprinted polymers (MIPs). MIPs are synthetic materials that mimic biological receptors and are produced by the polymerization of functional monomers in presence of a target analyte. This paper critically reviews and discusses the recent progress in MIP-based electrochemical sensors for food safety. A brief introduction on MIPs and electrochemical sensors is given; followed by a discussion of the recent achievements for various MIPs-based electrochemical sensors for food contaminants analysis. Both electropolymerization and chemical synthesis of MIP-based electrochemical sensing are discussed as well as the relevant applications of MIPs used in sample preparation and then coupled to electrochemical analysis. Future perspectives and challenges have been eventually given.

scholarly journals Molecularly imprinted polymer-based electrochemical sensors for biopolymers

2019 ◽  
Vol 14 ◽  
pp. 53-59 ◽  
Author(s):  
Frieder W. Scheller ◽  
Xiaorong Zhang ◽  
Aysu Yarman ◽  
Ulla Wollenberger ◽  
Róbert E. Gyurcsányi
Keyword(s):  
Molecularly Imprinted Polymer ◽  
Electrochemical Sensors ◽  
Imprinted Polymer ◽  
Molecularly Imprinted

Fabrication of Highly Sensitive and Selective Electrochemical Sensors for Detection of Paracetamol by Using Piroxicam Stabilized Gold Nanoparticles

2017 ◽  
Vol 164 (9) ◽  
pp. B427-B434 ◽  
Author(s):  
Syeda Sara Hassan ◽  
Sallahuddin Panhwar ◽  
Ayman Nafady ◽  
Abdullah M. Al-Enizi ◽  
Sirajuddin ◽  
...  
Keyword(s):  
Gold Nanoparticles ◽  
Electrochemical Sensors ◽  
Highly Sensitive

Molecularly Imprinted Electrochemical Sensors

2012 ◽  
pp. 1-34 ◽  
Author(s):  
Daniel Antuña-Jiménez ◽  
Goretti Díaz-Díaz ◽  
M. Carmen Blanco-López ◽  
M. Jesús Lobo-Castañón ◽  
Arturo J. Miranda-Ordieres ◽  
...  
Keyword(s):  
Electrochemical Sensors ◽  
Molecularly Imprinted

Design of molecularly imprinted polymer grafts with embedded gold nanoparticles through the interfacial chemistry of aryl diazonium salts

Polymer ◽  
2011 ◽  
Vol 52 (20) ◽  
pp. 4463-4470 ◽  
Author(s):  
Sarra Gam-Derouich ◽  
Samia Mahouche-Chergui ◽  
Stephanie Truong ◽  
Dalila Ben Hassen-Chehimi ◽  
Mohamed M. Chehimi
Keyword(s):  
Gold Nanoparticles ◽  
Molecularly Imprinted Polymer ◽  
Diazonium Salts ◽  
Imprinted Polymer ◽  
Interfacial Chemistry ◽  
Molecularly Imprinted
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