Biomaterial Database

Visualization of antigenic proteins blotted onto nitrocellulose using the immuno-gold-staining (IGS) method. 1984

B Surek, and E Latzko

A new and simple method for the detection of antigenic proteins blotted onto nitrocellulose was developed. After transfer of spinach stromal proteins and purified phosphoribulokinase immunolabeling was performed with phosphoribulokinase antiserum, followed by a) Protein A-labeled colloidal gold particles, and b) by horseradish peroxidase conjugated Protein A and substrate mixture. The Protein A-Gold method is at least twofold more sensitive than the Protein A-peroxidase procedure. Incubation of immunolabeled nitrocellulose replicas with 0.1 M glycine, pH 2.2, removes the antibody-Protein A-Gold complexes quantitatively without influencing the antigenicity of the immobilized proteins. The replicas can be re-used for immunostaining with other antisera. The versatile applicability of the immuno-gold-staining method suggests that it is a true alternative to the peroxidase assay.

UI	MeSH Term	Description	Entries
D007120	Immunochemistry	Field of chemistry that pertains to immunological phenomena and the study of chemical reactions related to antigen stimulation of tissues. It includes physicochemical interactions between antigens and antibodies.
D010944	Plants	Multicellular, eukaryotic life forms of kingdom Plantae. Plants acquired chloroplasts by direct endosymbiosis of CYANOBACTERIA. They are characterized by a mainly photosynthetic mode of nutrition; essentially unlimited growth at localized regions of cell divisions (MERISTEMS); cellulose within cells providing rigidity; the absence of organs of locomotion; absence of nervous and sensory systems; and an alternation of haploid and diploid generations. It is a non-taxonomical term most often referring to LAND PLANTS. In broad sense it includes RHODOPHYTA and GLAUCOPHYTA along with VIRIDIPLANTAE.	Plant
D011506	Proteins	Linear POLYPEPTIDES that are synthesized on RIBOSOMES and may be further modified, crosslinked, cleaved, or assembled into complex proteins with several subunits. The specific sequence of AMINO ACIDS determines the shape the polypeptide will take, during PROTEIN FOLDING, and the function of the protein.	Gene Products, Protein,Gene Proteins,Protein,Protein Gene Products,Proteins, Gene
D003101	Collodion	A nitrocellulose solution in ether and alcohol. Collodion has a wide range of uses in industry including applications in the manufacture of photographic film, in fibers, in lacquers, and in engraving and lithography. In medicine it is used as a drug solvent and a wound sealant.	Nitrocellulose,Celloidin,Cellulose Nitrate,Collodion Cotton,Pyroxylin,Cotton, Collodion,Nitrate, Cellulose
D006046	Gold	A yellow metallic element with the atomic symbol Au, atomic number 79, and atomic weight 197. It is used in jewelry, goldplating of other metals, as currency, and in dental restoration. Many of its clinical applications, such as ANTIRHEUMATIC AGENTS, are in the form of its salts.
D000941	Antigens	Substances that are recognized by the immune system and induce an immune reaction.	Antigen
D001665	Binding Sites	The parts of a macromolecule that directly participate in its specific combination with another molecule.	Combining Site,Binding Site,Combining Sites,Site, Binding,Site, Combining,Sites, Binding,Sites, Combining
D013194	Staining and Labeling	The marking of biological material with a dye or other reagent for the purpose of identifying and quantitating components of tissues, cells or their extracts.	Histological Labeling,Staining,Histological Labelings,Labeling and Staining,Labeling, Histological,Labelings, Histological,Stainings