[PDF][PDF] An overview of modified sensors with focus on electrochemical sensing of sulfite in food samples

M Bijad, A Hojjati-Najafabadi… - Eurasian Chemical …, 2021 - researchgate.net
Experts in the field have largely considered the sulfite contribution and the respective alter
ego, that is, sulfur dioxide, into the agrifood products due to its impact on some medical …

Analytical methods applied to the assay of sulfur-containing preserving agents

AM Pisoschi, A Pop, I Gajaila, F Iordache, R Dobre… - Microchemical …, 2020 - Elsevier
Sulfite is a largely used preservative, and represents an analyte of interest, whose level
should be carefully monitored, given the implications of its use, on human health. The …

Prussian Blue nanoparticles supported on a hybrid platform of graphene oxide and cubic silsesquioxane applied to Diuron detection

VA Maraldi, DR do Carmo - Materials Research Bulletin, 2023 - Elsevier
This work describes the preparation and chemical modification of the graphene oxide
platform with octa (aminopropyl) silsesquioxane, with subsequent deposition of Prussian …

Electrochemical behavior of titanium (IV) silsesquioxane occluded in the MCM-41 cavity and their application in the electro-oxidation of sulphite and dipyrone …

DR Do Carmo, PFP Barbosa, LR Cumba - Silicon, 2020 - Springer
Titanium (IV) silsesquioxane was occluded in the cavities of a mesoporous silica MCM-41.
The material was chemically modified with nickel hexacyanoferrate (III)(named MTTiPNiH) …

Electrooxidation of Toxic Sulfite Material Using Ni-Ru-Based Heterometallo Supramolecular Polymer as Electrocatalyst: Synthesis and Kinetics Study

S Islam, A Awal, SMA Nayem, S Naher… - Journal of The …, 2023 - iopscience.iop.org
Considering the adverse effect of sulfite (SO 3 2−), an effective Ni (II)-and Ru (II)-based
heterometallic-supramolecular polymer (HMSMP)(polyNiRu) has been synthesized …

An intervalence complex on chitosan surface and its application for isoniazid detection in synthetic samples

PFP Barbosa, RDA Andrade, EG Vieira… - Solid State …, 2020 - Elsevier
In the current article it is described the preparation of a natural polymeric material formed by
chitosan and a complex (copper hexacyanoferrate II) for application as voltammetric sensor …

[HTML][HTML] Application of biohybrid silsesquioxane based material modified with methylene blue for determination of sulphite

BT Freitas, RML Freitas, AB Rodrigues… - International Journal of …, 2023 - Elsevier
Detecting organic and inorganic contaminants is one of the most important environmental
concerns today. Consequently, the search for low-cost materials and efficient technologies …

A cerium hexacyanoferrate (III) nanoparticle‐modified carbon paste electrode: voltammetric characterization and behavior in the presence of dopamine

DR de Oliveira, DS Fernandes, DR do Carmo - Electroanalysis, 2020 - Wiley Online Library
This study describes a fast and simple methodology for the preparation of Cerium (III)
Hexacyanoferrate (II)(CeHCF) nanoparticles (NPs). The NPs were characterized by fourier …

Behaviour of the faujasite zeolite occluded with Ti (IV) and Zr (IV) and its interaction with Nickel Hexacyanoferrate (III): A comparative study in the voltammetric …

MS Magossi, MS Peixoto, AS Baroni, AS Felipe… - Materials …, 2024 - SciELO Brasil
This study describes titanium and zirconium incorporations into a FAU zeolite and
subsequent modification with nickel hexacyanoferrate. The obtained materials (ZTiNiH and …

A Cubic Silsesquioxane Chemically Modified with a PAMAM Dendrimer G0: an Application in Electro-Oxidation of Ascorbic Acid

DR Do Carmo, DR De Oliveira, PFP Barbosa… - Silicon, 2019 - Springer
Abstract Octa-(3-chloropropyl) octasilsesquioxane (SS) was functionalized with a PAMAM
dendrimer (SP) and characterized by some spectroscopic techniques such as Fourier …