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Can primary antibodies be re-used?
225 人阅读发布时间：2022-10-20 14:31
| The product information sheet for any given primary antibody specifies the recommended dilution to be used in a certain technique. However, depending on the protein load/well, protein transfer efficiency, and sensitivity of the used detection system, primary antibodies can often be used in much higher dilutions. It can be tempting to re-use a primary antibody solution. However, do not be surprised if there is no signal at all, when doing so. All of the primary antibody binds in the first incubation, leaving nothing for the second experiment. In such cases, the primary antibody is often blamed for the failure, but the fact is that the antibody is just not present in the solution to do the job. Re-using primary antibodies is also not recommended in case of quantitative work. |
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