Emerging upconversion nanoparticles for industry and biomedical application Evgeny Khaydukov, Vasilina Rocheva, Alexander Savelyev, Kirill Khaydukov, Ilya Asharchuk, Andrey Nechaev, Dmitry Khochenkov, Anastasia Sochilina, Vladimir Semchishen and Alla Generalova EPJ Web Conf., 190 (2018) 03005 Published online: 26 September 2018 DOI: 10.1051/epjconf/201819003005