Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Electrochemical Characterization and Biosensors with the Coagulant Moringa oleifera Seed Lectin (cMoL)

Benny Ferreira de Oliveira
,
Hallysson Douglas Andrade de Araújo
,
Eloisa Ferreira Neves
,
Thiago Henrique Napoleão
ORCID logo ,
Patrícia Maria Guedes Paiva
,
Katia Cristina Silva de Freitas
ORCID logo ,
Sandra Rodrigues de Souza
,
Luana Cassandra Breitenbach Barroso Coelho
* ORCID logo
Version 1 : Received: 29 April 2023 / Approved: 30 April 2023 / Online: 30 April 2023 (05:33:40 CEST)

A peer-reviewed article of this Preprint also exists.

de Oliveira, B.F.; de Araújo, H.D.A.; Neves, E.F.; Napoleão, T.H.; Paiva, P.M.G.; de Freitas, K.C.S.; de Souza, S.R.; Coelho, L.C.B.B. Electrochemical Characterization Using Biosensors with the Coagulant Moringa oleifera Seed Lectin (cMoL). Biosensors 2023, 13, 655. de Oliveira, B.F.; de Araújo, H.D.A.; Neves, E.F.; Napoleão, T.H.; Paiva, P.M.G.; de Freitas, K.C.S.; de Souza, S.R.; Coelho, L.C.B.B. Electrochemical Characterization Using Biosensors with the Coagulant Moringa oleifera Seed Lectin (cMoL). Biosensors 2023, 13, 655.

Abstract

Coagulant lectin from Moringa oleifera seeds (cMoL) was characterized by potentiometry and scanning electron microscopy (SEM) using MOF, Metal-Organic Frameworks of [Cu3(BTC)2.H2O)3]n, to immobilize cMoL and construct biosensors. Developed aluminum-air batteries degraded indigo carmine dye formulated similar to a textile effluent; biosensors investigated cMoL interaction with specific galactose and monitored residual dye. SEM revealed components of electrode assembly steps. Oxide reduction reactions of batteries generated Al(OH)3 promoting dye electrocoagulation. Cyclic voltammetry showed differentiated redox peaks related to dye residue quantification by cMoL. Electrochemical systems evaluated cMoL interaction with ligand and efficiently degraded dye; biosensors could be used for lectin characterization and monitoring dye residues in environmental textile effluents.

Keywords

lectins; Metal-Organic Frameworks (MOF); electrochemical systems

Subject

Biology and Life Sciences, Biology and Biotechnology

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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