Laser-pyrolyzed electrochemical paper-based analytical sensor for sulphite analysis

Autor: Alisson Bezerra Martins, Alnilan Lobato, Nikola Tasić, Fernando J. Perez-Sanz, Pedro Vidinha, Thiago R.L.C. Paixão, Luís Moreira Gonçalves

Publikováno v: Electrochemistry Communications, Vol 107, Iss , Pp - (2019)

A CO2 laser can be used to pyrolyze the surface of common paperboard to produce a conductive carbon material for subsequent use as an electrode for general electrochemical measurements. In this work, a laser-pyrolyzed electrochemical paper-based anal

Externí odkaz: https://doaj.org/article/6186fe9157e3455aab7eb6e26e14d431

Rational Design of an Ion-Imprinted Polymer for Aqueous Methylmercury Sorption

Autor: Ruddy L. M. Mesa, Javier E. L. Villa, Sabir Khan, Rafaella R. Alves Peixoto, Marcelo A. Morgano, Luís Moreira Gonçalves, Maria D. P. T. Sotomayor, Gino Picasso

Publikováno v: Nanomaterials, Vol 10, Iss 12, p 2541 (2020)

Methylmercury (MeHg+) is a mercury species that is very toxic for humans, and its monitoring and sorption from environmental samples of water are a public health concern. In this work, a combination of theory and experiment was used to rationally syn

Externí odkaz: https://doaj.org/article/6bd9b518cb7a4dab8791a046c35abbc7

NS1 glycoprotein detection in serum and urine as an electrochemical screening immunosensor for dengue and Zika virus

Autor: Marcos V. Foguel, Rosa F. Dutra, Ernesto T. A. Marques, Marco Aurélio Benedetti Rodrigues, Luís Moreira Gonçalves, Priscila D. Mendonça, Marli Tenório Cordeiro, Lorenna K. B. Santos

Publikováno v: Analytical and Bioanalytical Chemistry. 413:4873-4885

The incidence of infection by the dengue virus (DENV) has grown dramatically, reaching 128 countries in tropical and subtropical regions worldwide, with a pattern of hyper-endemicity. DENV is a mosquito-borne disease having four serotypes, one or two

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0c590174cc736c8e1555042b5602f69b
https://doi.org/10.1007/s00216-021-03449-7

Dansyl Chloride as a Derivatizing Agent for the Analysis of Biogenic Amines by CZE-UV

Autor: Jéssica Oliveira Fernandes Mantoanelli, Luís Moreira Gonçalves, Elisabete Alves Pereira

Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP

Biogenic amines (BAs) are important compounds that can be used in the quality control of food and beverages. BA analysis is a challenging task that can be made easier by applying a derivatizing agent like dansyl chloride (DNS). The optimized capillar

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fa71c3aaac5aae99cd3828adf87a5031
https://doi.org/10.1007/s10337-020-03896-x

3,4-Methylenedioxypyrovalerone (MDPV) sensing based on electropolymerized molecularly imprinted polymers on silver nanoparticles and carboxylated multi-walled carbon nanotubes

Autor: Cecília M. P. Rodrigues, Wallans T. P. dos Santos, Camila Alves de Lima, M. Beatriz Quinaz, Rosa A. S. Couto, Félix Carvalho, Bassim Mounssef, Ataualpa A. C. Braga, Sara Figueirêdo de Alcântara Morais, Luís Moreira Gonçalves, Constantino Coelho

Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Nanomaterials
Volume 11
Issue 2
Nanomaterials, Vol 11, Iss 353, p 353 (2021)

3,4-methylenedioxypyrovalerone (MDPV) is a harmful and controlled synthetic cathinone used as a psychostimulant drug and as sport-enhancing substance. A sensor was developed for the direct analysis of MDPV by transducing its oxidation signal by means

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::58011e671715f5667437a3318fc855a2