Zobrazeno 1 - 10
of 205
pro vyhledávání: '"André Henrique Rosa"'
Autor:
Janaina de Melo Franco Domingos, Thiago de Alencar Neves, Djalma Lucas de Sousa Maia, Rebeca Carvalho Siqueira, Marcus Vinícius Araújo Marques, Oswaldo Luiz Alves, José Roberto Guimarães, Marcelo Antunes Nolasco, André Henrique Rosa
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-10 (2023)
Abstract Mature landfill wastewater is a complex effluent due to its low biodegradability and high organic matter content. Currently, mature leachate is treated on-site or transported to wastewater treatment plants (WWTPs). Many WWTPs do not have the
Externí odkaz:
https://doaj.org/article/98913ac3d83c4cd282a462ef181a45c3
Publikováno v:
Revista Brasileira de Geomorfologia, Vol 23, Iss 1 (2022)
O conhecimento dos aspectos físicos da paisagem na escala da bacia hidrográfica, como relevo, morfometria, e as inter-relações com a dinâmica hidrológica possibilitam compreender os padrões de drenagem e inferir sobre as áreas mais vulneráve
Externí odkaz:
https://doaj.org/article/ba5e2c7103d040a1bfe1fc4afa46fd34
Publikováno v:
Geosul, Vol 34, Iss 72, Pp 01-27 (2019)
The problems related to water resources has been the scene of debates due to steady deterioration of water quality and increase in demand. This study aimed to analyse the influence of land use and occupation in the water quality of the main rivers of
Externí odkaz:
https://doaj.org/article/10046470b0184125b27f727001e5feff
Autor:
Ademir dos SANTOS, Maria Olímpia de Oliveira REZENDE, André Henrique ROSA, Luiz Fabrício ZARA, Julio Cesar ROCHA
Publikováno v:
Eclética Química, Vol 27, Iss 1 (2018)
Estudou-se a distribuição de Cr, Ni, Cu, Cd e Pb em frações de substâncias húmicas (SH) de diferentes tamanhos moleculares. As SH foram extraídas de amostras de água (SHA) e de sedimentos de superfície (SHSS), interface/água (SHSI) e fundo
Externí odkaz:
https://doaj.org/article/e5655e3ba8b944cbb613aa4b0ccb00f7
Publikováno v:
Eclética Química, Vol 27, Iss 2 (2018)
This paper describes the reduction of Cr(VI) to Cr(III) using a new support prepared by activation of aminopropyl silica with aquatic humic substances (ATPS-SiO2-AHS). It were collected water samples from Córrego Itapitangui, Iguape, São Paulo Stat
Externí odkaz:
https://doaj.org/article/9643e7c1431d4e11817109ca92216afe
Autor:
Patrícia Moraes Sinohara Souza, Fabiana Aparecida Lobo, André Henrique Rosa, Leonardo Fernandes Fraceto
Publikováno v:
Química Nova, Vol 35, Iss 1, Pp 132-137 (2012)
In this study, polymeric nanocapsules of PCL containing the herbicide atrazine were prepared. In order to optimize the preparation conditions, a 2³ factorial design was performed using different formulations of nanocapsules, which investigated the i
Externí odkaz:
https://doaj.org/article/0263443f437241949160c61e0c212f68
Autor:
Mariana dos Santos Silva, Daniela Sgarbi Cocenza, André Henrique Rosa, Leonardo Fernandes Fraceto
Publikováno v:
Química Nova, Vol 35, Iss 1, Pp 102-107 (2012)
Agrochemicals constitute the class of products most commonly found in water resources. Their high level of concentration is due to the fact that less than 0.1% of pesticides applied to crops reach their target. The present work aims to study the sorp
Externí odkaz:
https://doaj.org/article/7e7fc89c4f244b8fbce70ce50482fe57
Autor:
Danielle Goveia, Julio Cesar Rocha, Luciana Camargo de Oliveira, Leandro Cardoso de Morais, Valquiria de Campos, Leonardo Fernandes Fraceto, André Henrique Rosa
Publikováno v:
Química Nova, Vol 34, Iss 5, Pp 753-758 (2011)
The knowledge of the structure characteristic of the Organic Matter is important for the understanding of the natural process. In this context aquatic humic substances (principal fraction) were isolated from water sample collected from the two distin
Externí odkaz:
https://doaj.org/article/7a5456102485443ab0e01ab0c6e95713
Autor:
Nathalie Ferreira Silva de Melo, Renato Grillo, André Henrique Rosa, Leonardo Fernandes Fraceto, Newton Luiz Dias Filho, Eneida de Paula, Daniele Ribeiro de Araújo
Publikováno v:
Química Nova, Vol 33, Iss 1, Pp 65-69 (2010)
In this paper we describe the preparation poly (L-lactide) (PLA) nanocapsules as a drug delivery system for the local anesthetic benzocaine. The characterization and in vitro release properties of the system were investigated. The characterization re
Externí odkaz:
https://doaj.org/article/bb4c9448ad684be39e3135f1579b69fb
Autor:
Danielle Goveia, Fabiana Aparecida Lobo, Ubirajara Pereira Rodrigues Filho, Newton Luiz Dias Filho, Leonardo Fernandes Fraceto, André Henrique Rosa
Publikováno v:
Química Nova, Vol 33, Iss 5, Pp 1135-1140 (2010)
Cellulose acetate polymeric membranes had been prepared by a procedure of two steps, combining the method of phase inversion and the technique of hydrolysis-deposition. The first step was the preparation of the membrane, and together was organomodifi
Externí odkaz:
https://doaj.org/article/d19f8d2895c04a51b421c0d19ee0c666