Electrogeneration of hydrogen peroxide in acidic medium using gas diffusion electrodes modified with cobalt (II) phthalocyanine

WRP Barros, RM Reis, RS Rocha, MRV Lanza - Electrochimica Acta, 2013 - Elsevier
Hydrogen peroxide (H2O2) is a commonly used oxidant with a wide variety of applications
in, for example, organic synthesis and wastewater treatment. This paper describes the …

Construction of a novel oxalic acid biosensor based on the combination of tissue enzyme and peroxide mimic enzyme

AS Giwa, NJ Maurice, N Ali - Processes, 2023 - mdpi.com
A biosensor is considered an integrated receptor transducer device, with the ability to
convert a biological impulse into an electrical signal. The amendment of biosensors has …

A novel electrochemical sensor based on silsesquioxane/nickel (II) phthalocyanine for the determination of sulfanilamide in clinical and drug samples

CR Vanoni, JP Winiarski, GR Nagurniak… - …, 2019 - Wiley Online Library
This paper describes the immobilization of nickel (II) phthalocyanine‐tetrasulfonic acid
tetrasodium salt (NiTsPc) in 3‐n‐propyl (3‐methylpyridinium) silsesquioxane chloride …

Simple and ultrasensitive electrochemical sensor for oxalic acid detection in real samples by one step co-electrodeposition strategy

Y Fang, X Xu, X Guo, B Cui, L Wang - Analytical and Bioanalytical …, 2020 - Springer
Oxalic acid (OA), naturally available in vegetables and foodstuffs derived from them, easily
combines with calcium and iron to form insoluble oxalates. Their chelation will result in …

Carbon dots derived from peptone as “off-on” fluorescent probes for the detection of oxalic acid

H Shi, X Li, Y Li, S Feng - Spectrochimica Acta Part A: Molecular and …, 2023 - Elsevier
A simple and rapid microwave heating approach was reported for the preparation of water
soluble carbon dots (CDs) using peptone as carbon source with the assistance of …

Preparation of a sol–gel-derived carbon nanotube ceramic electrode by microwave irradiation and its application for the determination of adenine and guanine

A Abbaspour, A Ghaffarinejad - Electrochimica Acta, 2010 - Elsevier
In this study, microwave irradiation was used for the fast preparation (min) of a sol–gel-
derived carbon nanotube ceramic electrode (MW-CNCE). For confirmation of the …

In situ immobilization of nickel (II) phthalocyanine on mesoporous SiO2/C carbon ceramic matrices prepared by the sol–gel method: Use in the simultaneous …

SBA Barros, A Rahim, AA Tanaka, LT Arenas… - Electrochimica …, 2013 - Elsevier
Three carbon ceramic materials with different porosities were prepared by the sol–gel
method, using HNO3, HF, and HNO3/HF as catalysts and the surface areas (SBET) of the …

Preparation and electrochemical characterization of a carbon ceramic electrode modified with ferrocenecarboxylic acid

T Skeika, CR Zuconelli, ST Fujiwara, CA Pessoa - Sensors, 2011 - mdpi.com
The present paper describes the characterization of a carbon ceramic electrode modified
with ferrocenecarboxylic acid (designated as CCE/Fc) by electrochemical techniques and its …

In situ immobilization of cobalt phthalocyanine on the mesoporous carbon ceramic SiO2/C prepared by the sol–gel process. Evaluation as an electrochemical sensor …

A Rahim, SBA Barros, LT Arenas, Y Gushikem - Electrochimica Acta, 2011 - Elsevier
The mesoporous carbon ceramics SiO2/20wt% C (SBET= 160m2g− 1) and SiO2/50wt% C
(SBET= 170m2g− 1), where C is graphite, were prepared by the sol–gel method. Scanning …

Application of manganese (II) phthalocyanine synthesized in situ in the SiO2/SnO2 mixed oxide matrix for determination of dissolved oxygen by electrochemical …

LSS Santos, R Landers, Y Gushikem - Talanta, 2011 - Elsevier
This work describes the in situ immobilization of Mn (II) phthalocyanine (MnPc) in a porous
SiO 2/SnO 2 mixed oxide matrix obtained by the sol gel processing method. The chemically …