We invite you to take part in the IV Interdisciplinary Conference "Biologically active substances and materials: fundamental and applied problems of production and application", which will be held May 27 - June 01, 2013 in a comfortable place of the Crimea, in the Novy Svet. Our conference is traditionally an effective interdisciplinary platform to bring together scientists and developers from various research institutes and universities, engineers and managers, industrial organizations and companies working in the development of technology, production and use of biologically active compounds and materials. Effective and creative work and also warm friendly atmosphere are the hallmark of our conference.