| Texto completo | |
| Autor(es): |
Oliveira, Lucas Portela
[1]
;
de Foggi, Camila Cristina
[2, 3]
;
Alves da Silva Pimentel, Bruna Natalia
[1]
;
Assis, Marcelo
[2]
;
Andres, Juan
[3]
;
Longo, Elson
[2]
;
Vergani, Carlos Eduardo
[1]
Número total de Autores: 7
|
| Afiliação do(s) autor(es): | [1] Sao Paulo State Univ UNESP, Sch Dent, Dept Dent Mat & Prosthodont, 1680 Humaita St, BR-14801903 Araraquara, SP - Brazil
[2] Fed Univ Sao Carlos UFSCar, Dept Chem, 676 Washington Luis Highway, BR-13565905 Sao Paulo, SP - Brazil
[3] Univ Jaume I UJI, Dept Phys & Analyt Chem, Av Vicent Sos Baynat S-N, Castellon De La Plana 12071 - Spain
Número total de Afiliações: 3
|
| Tipo de documento: | Artigo Científico |
| Fonte: | CERAMICS INTERNATIONAL; v. 47, n. 16, p. 22604-22614, AUG 15 2021. |
| Citações Web of Science: | 0 |
| Resumo | |
The present study reports for the first time the performance of silver phosphate (Ag3PO4) microcrystals as photocatalyst (degradation of Rodamine B-RhB) and antifungal agent (against Candida albicans-C. albicans) under visible-light irradiation (455 nm). Ag3PO4 microcrystals were synthesized by a simple co-precipitation (CP) method at room temperature. The structural and electronic properties of the as-synthetized Ag3PO4 have been investigated before and after 4 cycles of RhB degradation under visible light using X-ray diffraction (XRD), micro-Raman spectroscopy, UV-Vis spectrophotometer and field emission scanning electron microscopy (FESEM) images. The antifungal activity was analyzed in planktonic cells and 48h-biofilm of C. albicans by colony forming units (CFU) counting, confocal laser and FE-SE microscopies. Statistical analysis was carried out using SPSS software. Morphological and structural modifications of Ag3PO4 were observed upon recycling. After 4 recycles, the material maintained its photodegradation property; an eightfold increase in the efficiency of Ag3PO4 was observed in planktonic cells and a two fold increase in biofilm when irradiated under visible light. Thus, higher antifungal effectiveness against C. albicans was obtained when associated with visible-light irradiation. (AU) | |
| Processo FAPESP: | 15/13834-2 - Avaliação da atividade antifúngica e citotoxicidade de microcristais de alfa vanadato de prata (a-AgVO3) sintetizados em diferentes temperaturas |
| Beneficiário: | Bruna Natalia Alves da Silva Pimentel Lira |
| Modalidade de apoio: | Bolsas no Brasil - Mestrado |
| Processo FAPESP: | 13/07296-2 - CDMF - Centro de Desenvolvimento de Materiais Funcionais |
| Beneficiário: | Elson Longo da Silva |
| Modalidade de apoio: | Auxílio à Pesquisa - Centros de Pesquisa, Inovação e Difusão - CEPIDs |
| Processo FAPESP: | 19/13507-2 - Caracterização e atividade antimicrobiana de filmes de Ag2WO4 depositados por laser de fentossegundo em superfície de titânio |
| Beneficiário: | Camila Cristina de Foggi |
| Modalidade de apoio: | Bolsas no Exterior - Estágio de Pesquisa - Pós-Doutorado |
| Processo FAPESP: | 17/12594-3 - CDMF - Centro de Desenvolvimento de Materiais Funcionais |
| Beneficiário: | Camila Cristina de Foggi |
| Modalidade de apoio: | Bolsas no Brasil - Pós-Doutorado |