1 Chemicals used in industry and science, in particular proteins including fusion proteins, in particular streptavidin and streptavidin muteins, antibodies, kinases, phosphatases, proteases, G proteins and G protein coupled receptors, peptides, in particular affinity peptides, peptides mediating cell membrane permeation as well as peptides mediating cell and tissue specifity, nucleic acids, in particular nucleic acids encoding the aforementioned proteins and peptides, vectors, in particular expression vectors as well as chemically synthesized oligonucleotides and nucleic acids, especially DNA, RNA, LNA, namely locked nucleic acid and PNA, namely peptide nucleic acid, oligonucleotides, oligonucleotides optionally furnished with an attached dye, viruses or viroids, cells, in particular body cells and cells of the immune system of mammals including human cells, combination products of proteins and/or peptides and other proteins or peptides or nucleic acids or viruses or viroids or cells, kits for analysis comprised of resin for chromatographic separation of proteins and polypeptides and buffers for purification of proteins, kits for analysis comprised of a purification column packed with resin for chromatographic separation of proteins and polypeptides, and buffers for purification of proteins and polypeptides, kits for analysis comprised of a purification column packed with resin for chromatographic separation of protein and polypeptides, buffers for purification of proteins and polypeptides, and reagent for Western Blot detection of proteins, kits for analysis comprised of a purification column packed with resin for chromatographic separation of proteins and polypeptides, buffers for purification of proteins and polypeptides, reagent for Western Blot detection of proteins, an expression vector for recombinant production of proteins and polypeptides and reagent for inducing recombinant gene expression , and test agents, produced chemically and/or by means of gene technology for use in industry and science for purification and/or labeling and/or funcitionalization and/or detection and/or immobilization of nucleic acids, peptides and proteins including fusion proteins, viruses, viroids and/or cells, in particular of body cells and cells of the immune system of mammals including human cells, diagnostics, except for medical purposes