Identification and first insights into the structure of chitin from the endemic freshwater demosponge Ochridaspongia rotunda (Arndt, 1937)

Trajče Talevski, Aleksandra Talevska Leshoska, Elena Pejoski, Boris Pejin, Tomasz Machałowski, Marcin Wysokowski, Mikhail V. Tsurkan, О. В. Петрова, В. Н. Сивков, Rajko Martinović, Snežana Pantović, Yuliya Khrunyk, Volodymyr Trylis, Andriy Fursov, Mirko Djurović, Teofil Jesionowski, Hermann Ehrlich