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How to properly handle biochemical waste during the use of a biological safety cabinet?
How to properly handle biochemical waste during the use of a biological safety cabinet?Biochemical wastes mainly come from biological experiments, such as cell culture, enzyme experiments, protein purification, genetic engineering, cloning, PCR amplification, enzyme-linked immunosorbent assay (EUSA), and so on. These experiments produce some cell culture waste, Petri dishes, centrifuge tubes, pipettes, reagent bottles, tip waste, waste liquids, solid waste, etc.Biological safety cabinets produce biochemical wastes during experiments that need to be disposed of properly to protect the laboratory environment and the health and safety of laboratory personnel. Common biochemical wastes include laboratory supplies, culture media, strains, cells, and tissues. Firstly, biochemical wastes need to be classified. Generally speaking, solid biochemical wastes, liquid biochemical wastes, and chemical waste liquids need to be stored in separate containers and clearly labeled with the name and nature of the waste. Solid biochemical waste, including reagent bottles, pipettes, waste liquid tubes, plastic centrifuge tubes, etc., should be put directly into specialized bio-waste bins, which are available for specialized treatment, such as autoclaving or chemical treatment. Liquid biochemical waste needs to be collected into special collection containers, such as polyethylene bottles or other compliant containers, to avoid direct discharge into sewers. More stringent treatment is required for some waste liquids with contamination risks, such as those containing radioactive substances, bacteria, and viruses. Chemical waste liquids need to be collected separately from other waste liquids and stored in compliant containers, preferably sealed separately or handed over to a specialized agency for treatment. Waste disposal needs to be carried out by relevant legislation and regulations, and laboratory bins, bio-waste bins, and waste fluid collection containers should be cleaned and replaced regularly. |
