All articles in Biomimetics (ISSN: 2313-7673) Vol 9, Issue 6, are now freely available to access, read and download: https://brnw.ch/21wLdxL COVER STORY: Hydroxyapatite (HAp) is a calcium phosphate bioceramic with the chemical formula [Ca10(PO4)6(OH)2] and is the predominant inorganic constituent of bone and dental tissues. The substitution of Ca2 ions in the HAp structure with foreign ions has the potential to improve its properties, making it a promising candidate for various orthopedic and de