Upconversion luminescent hollow Er3+,Yb3+ co-doped Y2SiO5 spheres for biophotonics: In vitro cytotoxicity and cellular sub-locality evaluation in glioblastoma cells - Santos, Luiz Fernando dos; Gomes, Luiz Fernando Tomazini; Lima, Karmel de Oliveira; Dalossio, Vinícius Paulino; Calori, Italo Rodrigo; Borges, Hiago Salge; Gusmão, Luiza Araújo; Piva, Henrique Luis; Tedesco, Antônio Cláudio; Goldner, Philippe; Gonçalves, Rogéria Rocha (Materials Today Communications, 2025)