Zobrazeno 1 - 10
of 224
pro vyhledávání: '"Aurea Echevarria"'
Autor:
Claudia B. Barroso, Liliane M. Seki, Wagner T. C. Esteves, Michele C. Nascimento, Aurea Echevarria
Publikováno v:
Applied Microbiology, Vol 4, Iss 1, Pp 486-495 (2024)
Antibiotic resistance, particularly against fluoroquinolones and macrolides, has emerged globally among thermophilic Campylobacters (Campylobacter jejuni and Campylobacter coli), giving rise to concerns about the efficacy of antibiotic treatment of t
Externí odkaz:
https://doaj.org/article/55fa1b196dfc471b85290d267c10419f
Publikováno v:
Green Chemistry Letters and Reviews, Vol 17, Iss 1 (2024)
ABSTRACTThe anti-corrosive effect of the extract in ethanol of Justicia brandegeeana (Acanthaceae) against carbon steel AISI 1020 in sulfuric acid medium 1 mol L−1 was investigated. In addition to the effect of seasonality, several techniques were
Externí odkaz:
https://doaj.org/article/5e7c98a2408342eda26bc08c025c6259
Autor:
Arthur Valbon, Neubi F. Xavier, Mariana F. L. P. Carlos, Glauco F. Bauerfeldt, Francisco W. Q. Almeida-Neto, Pedro de Lima-Neto, Marcelo A. Neves, Cláudio E. Rodrigues-Santos, Aurea Echevarria
Publikováno v:
Surfaces, Vol 6, Iss 4, Pp 509-532 (2023)
Corrosion inhibitors are widely used as an important tool for the prevention and remediation of different materials exposed to corrosive industrial processes. Corrosion inhibitors are usually added to acid pickling solutions to reduce the deteriorati
Externí odkaz:
https://doaj.org/article/134096d7f620465680e3952b937cdfa8
Publikováno v:
Química Nova, Vol 47, Iss 5 (2024)
The article presents the importance of practice in teaching Organic Chemistry in higher education, in addition to doing it following the methods of Green Chemistry, in view of how chemistry is seen as a “villain” due to dangerous reactions and in
Externí odkaz:
https://doaj.org/article/aae2c5d75d6a48718ab75f5037cb9bb5
Publikováno v:
International Journal of Corrosion, Vol 2022 (2022)
Four enaminoesters derived from halogenated aniline, with potential anticorrosion activity, were synthesized and tested against carbon steel AISI 1020 in acid medium using 1.0 mol L-1 HCl. The synthesis was demonstrated through the reaction of ethyl
Externí odkaz:
https://doaj.org/article/dadea0beb49f4b219afc4fd61e990305
Autor:
Danilo Sousa-Pereira, Thais Silva de Oliveira, Rojane O. Paiva, Otávio Augusto Chaves, José C. Netto-Ferreira, Juliana Echevarria-Lima, Aurea Echevarria
Publikováno v:
Molecules, Vol 25, Iss 11, p 2537 (2020)
Synthesis of four compounds belonging to mesoionic class, (E)-3-phenyl-5-(phenylamino)-2-styryl-1,3,4-thiadiazol-3-ium chloride derivatives (5a–d) and their biological evaluation against MT2 and C92 cell lines infected with human T-cell lymphotropi
Externí odkaz:
https://doaj.org/article/8c583559d716454785ffa71953985549
Publikováno v:
Materials Research, Vol 21, Iss 6 (2018)
Polymers have received considerable attention for replacing synthetic inorganic and organic anti-corrosion inhibitors since they are not as toxic for the environment, besides being cheaper. Polyvinylpyrrolidone (PVP) has been studied due to its appli
Externí odkaz:
https://doaj.org/article/a28b2b3897ca48b58fa92d1f710690a9
Autor:
Cláudio E. Rodrigues-Santos, Aurea Echevarria, Carlos M. R. Sant’Anna, Thiago B. Bitencourt, Maria G. Nascimento, Glauco F. Bauerfeldt
Publikováno v:
Molecules, Vol 20, Iss 9, Pp 17493-17510 (2015)
In this work, the theoretical description of the 4- and 3-substituted-cinnamic acid esterification with different electron donating and electron withdrawing groups was performed at the B3LYP and M06-2X levels, as a two-step process: the O-protonation
Externí odkaz:
https://doaj.org/article/0fff20e22b9441e58fca5d605493ad20
Autor:
Rojane de Oliveira Paiva, Lucimar Ferreira Kneipp, Carla Marins Goular, Mariana Almeida Albuquerque, Aurea Echevarria
Publikováno v:
Ciência e Agrotecnologia, Vol 38, Iss 6, Pp 531-537 (2014)
Mycotoxigenic fungi can compromise the quality of food, exposing human and animal health at risk. The antifungal activity of eight thiosemicarbazones (1-8) and nine semicarbazones (9-17) was evaluated against Aspergillus flavus, A. nomius, A. ochrace
Externí odkaz:
https://doaj.org/article/df03c6729d3d48f0aecd94bff4f40339
Autor:
Edinéia Pastro Mendes, Carla Marins Goulart, Otávio Augusto Chaves, Viviane dos S. Faiões, Marilene M. Canto-Carvalho, Gerzia C. Machado, Eduardo Caio Torres-Santos, Aurea Echevarria
Publikováno v:
Biomolecules, Vol 9, Iss 11, p 643 (2019)
A series of seven chalcone-thiosemicarbazones (5a−5g) were synthesized and evaluated as potential new drugs (anti-leishmanial effect). Although four of the chalcone-thiosemicarbazones are already known, none of them or any compound in this class ha
Externí odkaz:
https://doaj.org/article/7e67ead7040141d2ab16c18b19a63ee4