Principles and medically relevant knowledge of nanotechnology, and the chemistry of modern materials for medical application. The biological reactions of cells and tissues to various types of material and systems built of these materials ; the health risks of materials and their nanoforms. Examples of targeted distribution of biologically active materials and their directed releasing, regenerative medicine, tissue engineering and sensors utilisable in diagnostics and medicine. Biomaterial, biopolymers. Relation between extraction process and chemical/physical properties of biopolymers. Chemical modification of biopolymers to obtain different properties/different shapes of materials. The applications of the biopolymers in different areas (medical, environmental, textile, pharmaceutics and tissue engineering applications).