Retraction notice to “Photocurrent enhancement by Ni2+ and Zn2+ ion doped in SnO2 nanoparticles in highly porous dye-sensitized solar cells” [Ceram. Int. 40 (2014)11619–11626, (S0272884214004933), (10.1016/j.ceramint.2014.03.152)] (2024) Shalan AE, Rasly M, Osama I, Rashad MM, Ibrahim IA Journal article, Erratum False banana fiber reinforced geopolymer composite – A novel sustainable material (2024) Addis LB, Sendekie ZB, Habtu NG, Schubert DW, Roether J, Boccaccini AR Journal article Bioactivity of radiopaque 45S5 bioactive glass with progressive additions of Bi2O3: A dissolution study under static conditions (2024) Clavijo-Mejía GA, Michálek M, Youssef L, Kaňková H, Galusek D, Boccaccini AR Journal article Electrophoretic deposition of tea tree oil containing chitosan/gelatin/whitlockite composite coatings for biofilm protection and bone tissue regeneration (2024) Batool S, Akhtar MA, Hussain Z, Boccaccini AR Journal article Porous SiC ceramic obtained by spark plasma sintering of preceramic paper: Microstructure, mechanical properties and gas permeability (2024) Sedanova EP, Kashkarov EB, Lider AM, Travitzky N Journal article High pressure-driven effects on the structural and spectroscopic attributes of Eu3+-doped amorphous silicates (2024) Muniz RF, Guyot Y, Martinet C, de Ligny D, Medina AN, Baesso ML Journal article Growth of hydroxyapatite plate-like nanoparticles by additive free precipitation for the deposition of aligned coatings (2023) Baştan FE, Şen B, Özgenç Ş, Beltrán AM, Boccaccini AR Journal article Unusual crystallization pathways revealed in six barium disilicate (BaSi2O5) glasses (2023) Moulton BJ, Silva LD, Sabino SR, Evaristo LL, Sampaio DV, Buchner S, Serbena FC, et al. Journal article Phase and porosity changes in a calcium aluminate cement and alumina system under hydrothermal conditions (2023) Köhler A, Rößler C, Neubauer J, Götz-Neunhoeffer F Journal article Composite materials of amorphous calcium phosphate and bioactive glass nanoparticles for preventive dentistry (2023) Degli Esposti L, Zheng K, Piancastelli A, Ionescu AC, Adamiano A, Boccaccini AR, Iafisco M Journal article