Antibodies and other conjugates often are functional for significantly longer than the guaranteed shelf life. The guaranteed shelf life from date of receipt for antibodies and conjugates is listed on the product information sheet. If you have an older kit in storage that you wish to use, we recommend performing a small scale positive control experiment to confirm that the kit still works for your application before processing a large number of samples or precious samples. Kits often are functional for significantly longer than the guaranteed shelf life. Some kits have an expiration date printed on the kit box label, this is the guaranteed shelf life date calculated from the day that the product shipped from our facility. The guaranteed shelf life from date of receipt for bioscience kits is listed on the product information sheet.
