Structural features of mineral carriers of medicinal substances Alexander Bondarev, Elena Zhilyakova, Anastasia Malyutina, Larissa Kozubova, Natalia Avtina, Elena Timoshenko and Georgy Vasiliev BIO Web Conf., 40 (2021) 03007 Published online: 20 December 2021 DOI: 10.1051/bioconf/20214003007