Development of coordination metal-organic materials experiences boom in last 30 years. The structural variability ranges from distinct complexes, over infinite coordination polymers (ICPs), metallogels, to crystalline porous polymeric metal-organic frameworks (MOFs). Their structural variations, composition, or porosity predestine their applications. Coordination polymers were studied as media for adsorption of various compounds and gases, as separation materials, catalysts, or even as carriers of pharmaceutically active ingredients. The greatest challenge in design of biocompatible carriers is in availability of non-toxic ligands and metal salts. Herein, we aim to introduce natural non-toxic ligands and use them with selected biologically relevant metal salts in preparation of metal-organic materials. The student will make a literature review on synthesis and applications of coordination polymers. Based on this, the student will carry out synthesis and optimization of metal-organic polymers, their particles or gels, do their thorough characterisation (e.g., using scanning and transmission electron microscopy, inductively coupled plasma mass spectrometry, etc.), and finally will suggest their possible relevant applications.