There it is. Colloidal gold method is a common practice in biological safety cabinets, which can improve the safety of operators and people around them. H 1N 1 colloidal gold method is a diagnostic kit for detecting influenza A virus. It usually operates in an appropriate laboratory environment, such as a biosafety laboratory. When using the A-H 1N 1 Colloidal Gold Method, it is necessary to follow the corresponding biosafety operation procedures, including wearing personal protective equipment and properly handling and disposing of wastes.