However repeated warming to room temperature and re-cooling may result in a loss of activity and hence effective working titre. After thawing they should then be used as a stock solution for up to 60 days. Dilute working solutions are best prepared on the day of use. For research use only. Purified by chromatography on protein A Sepharose.
Purity is tested by electrophoresis.
Standard LaboratoryPractices should be followed when handling this material. Although the amount of sodium azide is very small appropriate care muse be taken when handling this product. If you decide to test the clone, I will issue a full credit towards a purchase of 100 milligrams or more if ordered within 90 days of sampling.