TY JOUR TI Сomplexation of iron ions with vegetable melanins KW melanin KW gamma-resonance spectroscopy KW chelation KW iron ions JO Russian Journal of Biological Physics and Chemisrty AU Baqirov, R.M. AU Baqirova, O.S. AU Turabova, Q.A. AU Abbasov, I.I. PY 2017 IS 2 PB Federal State Educational Institution of Higher Education Sevastopol State University