Magnetic nanoparticles preparation by chemical reduction for biomedical applications Zhazgul Kelgenbaeva, Bektemir Murzubraimov, Artem Kozlovsky, Ruslan Adil Akai Tegin, Ainur Turdubai kyzy, Elmira Murzabekova, Janbolot Aidaraliev and Begimzhan Dyusheeva EPJ Web Conf., 201 (2019) 01002 Published online: 04 February 2019 DOI: 10.1051/epjconf/201920101002