title: Hepatitis B antigen: removal from protein solutions in a recognizable form by an insoluble lipophilic matrix of silicic acid.
mesh_terms: D000906:Antibodies; D001665:Binding Sites; D004355:Drug Stability; D006505:Hepatitis / Q000276:immunology; D006511:Hepatitis B Antigens / Q000302:isolation & purification*; D006801:Humans; D007122:Immunoelectrophoresis; D007454:Iodides; D007457:Iodine Radioisotopes; D007700:Kinetics; D009994:Osmolar Concentration; D011188:Potassium; D011485:Protein Binding; D011863:Radioimmunoassay; D012822:Silicon Dioxide; D013997:Time Factors
chemical_list: D000906:Antibodies; D006511:Hepatitis B Antigens; D007454:Iodides; D007457:Iodine Radioisotopes; D012822:Silicon Dioxide; D011188:Potassium