Portable Electrochemical Immunosensor Based on a Gold Microblobs-Optimized Screen-Printed Electrode for SARS-CoV-2 Diagnosis

Autor: Melissa M. Giacomet, Paulo H. M. Buzzetti, Oscar O. S. Junior, Alessandro F. Martins, Elton G. Bonafe, Johny P. Monteiro

Publikováno v: Inorganics, Vol 12, Iss 9, p 252 (2024)

The development of biosensors for determining the most diverse biomolecules is a constant focus of many research groups. There is a latent need to propose sensors that combine portability, simple measurements, and good analytical performance. Here, w

Externí odkaz: https://doaj.org/article/11123aa14ff74cabb085006f3c26239c

Monitoring and Analysis of Outdoor Carbon Dioxide Concentration by Autonomous Sensors

Autor: Paulo Henrique Soares, Johny Paulo Monteiro, Hanniel Ferreira Sarmento de Freitas, Luciano Ogiboski, Felipe Silva Vieira, Cid Marcos G. Andrade

Publikováno v: Atmosphere, Vol 13, Iss 2, p 358 (2022)

Countless problems have been caused by the excessive emission of polluting gases, such as carbon dioxide (CO2), into the atmosphere. Therefore, more effective monitoring of CO2 is essential, especially in central or industrial regions. Thus, this wor

Externí odkaz: https://doaj.org/article/30a0b5b438ef4e3b9c1ce5e462efcfa1

Chitosan content modulates durability and structural homogeneity of chitosan-gellan gum assemblies

Autor: Matt J. Kipper, Alessandro F. Martins, Johny P. Monteiro, Ariel C. de Oliveira, Bruno H. Vilsinski, Elton Guntendorfer Bonafé

Publikováno v: International Journal of Biological Macromolecules. 128:114-123

Here we report a new and straightforward method to yield durable polyelectrolyte complexes (hydrogel PECs) from gellan gum (GG) and chitosan (CS) assemblies, without metallic and covalent crosslinking agents, commonly used to produce GG and CS-based

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::58b315388b4a80aa3b1c2071a02ae244
https://doi.org/10.1016/j.ijbiomac.2019.01.110

A tannin-polymer adsorbent created from the freezing-thawing method for removal of metal-complex acid black 172 and methylene blue from aqueous solutions

Autor: Evandro Bonifácio, Débora P. Facchi, Paulo R. Souza, Johny P. Monteiro, Ketul C. Popat, Matt J. Kipper, Alessandro F. Martins

Publikováno v: Journal of Molecular Liquids. 351:118682

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b7bb4f18d664f68f7ee5dd152d8b4c55
https://doi.org/10.1016/j.molliq.2022.118682

New Strategy for Streptavidin Detection Using AuNRs/PAAm Hydrogel Composites

Autor: Johny P. Monteiro, Bento Pereira Cabral Junior, Paulo Henrique M. Buzzetti, Jean Halison de Oliveira, Emerson M. Girotto, Eduardo Radovanovic

Publikováno v: Journal of the Brazilian Chemical Society, Volume: 31, Issue: 9, Pages: 1771-1777, Published: 19 AUG 2020
Journal of the Brazilian Chemical Society v.31 n.9 2020
Journal of the Brazilian Chemical Society
Sociedade Brasileira de Química (SBQ)
instacron:SBQ

Localized surface plasmon resonance (LSPR) is a collective oscillation of free electrons induced by the incident light in nanometric surfaces of conductive materials. Gold nanorods (AuNRs) have been studied for plasmonic devices due to their anisotro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1624363572162984154468eb2074b65e
https://doi.org/10.21577/0103-5053.20200032