Nanostructured iron oxides stabilized by chitosan: using copper to enhance degradation by a combined mechanism

Autor: José D. Ardisson, Thais Fernandes Moratta, Iara R. Guimarães, Aline Aparecida Caetano, Julio C. S. Terra, Sara Silveira Vieira, Pricila Maria Batista Chagas

Publikováno v: Catalysis Science & Technology. 10:5013-5026

In the present study, chitosan-stabilized iron oxide (CSFe) materials were synthesized, and Cu2+ ions were introduced to the CSFe materials by isomorphic substitution (CSFeCu5, CSFeCu10, CSFeCu15). The beads were subjected to thermal treatments under

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ea7cf1b81f293e20147eaf4e1cfe5e68
https://doi.org/10.1039/d0cy00473a

Removal of the synthetic hormone methyltestosterone from aqueous solution using a β-cyclodextrin/silica composite

Autor: Lucas Bragança Carvalho, Tamara Rezende Marques, Sérgio Scherrer Thomasi, Pau Nolis, Carlos Jaime, Luciana de Matos Alves Pinto, Pricila Maria Batista Chagas, Manuel Pelletier, Angelina Razafitianamaharavo

Publikováno v: Journal of Environmental Chemical Engineering
Journal of Environmental Chemical Engineering, Elsevier, 2019, 7 (6), pp.103492. ⟨10.1016/j.jece.2019.103492⟩

Contamination of water with steroid residues can cause a number of environmental damages, affecting exposed organisms including man. The development of technologies for treatment or removal of this type of micropollutant from water is of paramount im

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::db7b8e7abe283da3772d285f9fe1a347
https://hal.univ-lorraine.fr/hal-03169866

Use of an Environmental Pollutant From Hexavalent Chromium Removal as a Green Catalyst in The Fenton Process

Autor: Aline Aparecida Caetano, Iara R. Guimarães, Pedro Henrique Souza Cesar, Aline Auxiliadora Tireli, Angelita Duarte Corrêa, Pricila Maria Batista Chagas

Publikováno v: Scientific Reports
Scientific Reports, Vol 9, Iss 1, Pp 1-15 (2019)

The present study refers to the use of an environmental pollutant generated during the removal of hexavalent chromium from aqueous media. This pollutant is a material with catalytic properties suitable for application in the oxidative degradation of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::48f498e7315d32600f0bce499145403a
http://europepmc.org/articles/PMC6731299

Chitosan-iron oxide hybrid composite: mechanism of hexavalent chromium removal by central composite design and theoretical calculations

Autor: Pricila Maria Batista, Chagas, Aline Aparecida, Caetano, Marco Aurélio, Rossi, Mateus Aquino, Gonçalves, Teodorico, de Castro Ramalho, Angelita Duarte, Corrêa, Iara, do Rosário Guimarães

Publikováno v: Environmental science and pollution research international. 26(16)

In this study, the synthesis of iron oxide stabilized by chitosan was carried out for the application and optimization in the removal process of aqueous Cr(VI) by central composite design (CCD). The calculation of these effects allowed to know, quant

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::36b0f21428e2eabe25c90cc1fa7b8201
https://pubmed.ncbi.nlm.nih.gov/30963426

Immobilized soybean hull peroxidase for the oxidation of phenolic compounds in coffee processing wastewater

Autor: Pricila Maria Batista Chagas, Maria Cristina Silva, Juliana Arriel Torres, Angelita Duarte Corrêa

Publikováno v: International Journal of Biological Macromolecules. 81:568-575

Chitosan beads were prepared, using glutaraldehyde as a crosslinking agent for the immobilization of soybean hull peroxidase (SBP). The activity of free and immobilized SBP was studied. The optimum pH was 6.0 for both the free and immobilized enzyme;

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7104da82e950ac6a1b0c8091da17ec62