Yes, this is normal. The lyophilized cake in vial format dissolves immediately, but the release of air from the cake results in a temporary increase turbidity. The air will naturally degas from solution over ~20 seconds or after gentle vortexing. In the 96-well plate-based format, gentle mixing or vortexing results in immediate dissolution of the cake.
Help us celebrate our 50th anniversary! We have hidden 1,000 golden butterflies and are waiting for you to find them. They can be anywhere that you find NEB! Beginning April 15th, be sure to visit our website and tables at tradeshows and events you are attending. Visit our social media channels frequently for tips on where we have hidden the butterflies – and once you find one, either click or scan the code to be eligible for a 50th anniversary prize pack, as well as a grand prize trip to NEB headquarters in Ipswich, MA!.
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