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Synthesis, Spectroscopic Characterization, Structural Studies, and in Vitro Antitumor Activities of Pyridine-3-carbaldehyde Thiosemicarbazone Derivatives
(Hindawi, 2020)
Acceso abierto
Eight new thiosemicarbazone derivatives, 6-(1-trifluoroethoxy)pyridine-3-carbaldehyde thiosemicarbazone (1), 6-(4'-fluorophenyl)pyridine-3-carbaldehyde thiosemicarbazone (2), 5-chloro-pyridine-3-carbaldehyde thiosemicarbazone ...
Removal of azo dyes in aqueous solutions using magnetized and chemically modified chitosan beads
(Elsevier, 2020)
Acceso restringido
Azo dyes in wastewater coming from textile industry are detrimental, toxic, and affect the human health; therefore efficient wastewater treatments are needed. To contribute to the solution to this problem, in this paper ...
Which complexity characteristics do economical industries present?
(WIT Press, 2020)
Acceso abierto
The past decade has seen a development of complex theories in different fields, raising the question: should managers use complex principles in their strategy? The answer implies to analyze companies and economical industries ...
Factorial design for preparing chitosan nanoparticles and its use for loading and controlled release of indole-3-acetic acid with effect on hydroponic lettuce crops
(International Society of Biocatalysis and Agricultural Biotechnology, 2020)
Acceso restringido
The excessive use of agrochemicals generates damage to the environment, so their controlled release from biodegradable nanoparticles represents a good solution. In this study, chitosan nanoparticles (CNPs) were prepared ...
Ultraviolet concentration factor of a truncated compound parabolic concentrator under different weather conditions
(Pleiades Publishing, 2020)
Acceso restringido
This study presents the results of ultraviolet radiation measurement in a truncated compound parabolic concentrator. The measurements were performed by using of a portable ultraviolet sensor both inside and outside the ...
Role of empowerment and identification with work teams in innovation climate
(Fundacao Getulio Vargas, Escola de Administracao de Empresas de Sao Paulo, 2020)
Acceso abierto
Several studies argue that an organizational climate oriented to promote innovation generates greater competitiveness in companies. However, very few researchers have explored the factors that lead to the formation of ...
Insights in Osteosarcoma by Proton Nuclear Magnetic Resonance Serum Metabonomics
(Frontiers Media S.A., 2020)
Acceso abierto
Pediatric osteosarcoma outcomes have improved over the last decades; however, patients who do not achieve a full resection of the tumor, even after aggressive chemotherapy, have the worst prognosis. At a genetic level, ...
TiO2:Cex onto Al Clays for Photocatalytic Solar Water Disinfection
(Hindawi, 2020)
Acceso abierto
A novel methodology was employed to prepare new nanocomposites with photocatalytic properties based on Ce-doped TiO2 nanoparticles arranged over a layered silicate. The catalysts were porous materials formed by exfoliated ...
Water treatment plant prototype with ph control modeled on fuzzy logic for removing arsenic using fe(VI) and fe(III)
(Multidisciplinary Digital Publishing Institute, 2020)
Acceso abierto
This study proposes a fuzzy control strategy embedded in a Siemens IoT2040 gateway developed for removing inorganic arsenic from synthetic underground water in a treatment plant prototype. The prototype is used to dose a ...
Cellulose Microfibres Obtained from Agro-Industrial Tara Waste for Dye Adsorption in Water
(Springer, 2020)
Acceso restringido
Microfibres of cellulose were extracted from tara residues (TR), obtained after the production process, and used to remove dyes in aqueous solution. Caesalpinia spinosa (Molina) Kuntze or Tara spinosa, commonly known as ...