1 Nanofiber filtering compositions for protein, nucleic acid, viral particle, extracellular vesicle and advanced therapeutic medicinal product purification; nanofiber filtering materials for protein, nucleic acid, viral particle, extracellular vesicle and advanced therapeutic medicinal product purification; Materials for chromatographic purification of chemical and biological substances; substrates for chromatographic purification of substances comprising of chemicals and biologicals; chemical and biological absorbents and adsorbents for recovery of viral particles and nucleic acids for development of viral vectors, extracellular vesicles and advanced therapeutic medicinal products; chemical and biological purifying agents for chromatographic purification of chemical and biological preparations; chemicals and biologicals for use in bioseparation for protein purification, nucleic acid purification, viral particle purification, extracellular vesicle purification and purification of advanced therapeutic medicinal products; chemicals and biologicals for use in filtering of proteins, nucleic acids, viral particles, extracellular vesicles and advanced therapeutic medicinal products; chemical and biological substances for use in separation for protein purification, nucleic acid purification, viral particle purification, extracellular vesicle purification and purification of advanced therapeutic medicinal products; fibres of inorganic material for separation purposes for protein, nucleic acid, viral particle, extracellular vesicle and advanced therapeutic medicinal product purification; fibres of organic material for separation purposes for protein, nucleic acid, viral particle, extracellular vesicle and advanced therapeutic medicinal product purification; raw proteins for scientific and medical research; proteins for scientific and industrial use; enzymes for scientific and industrial use, reagents for scientific and research use other than for medical use; ligands for scientific and research use; biochemical, namely, antibodies and antibody fragments for in vitro scientific or research use