The Life Technologies Protocols App provides quick, convenient access to popular Applied Biosystems or Invitrogen product protocols. Each protocol is presented with concise step-by-step instructions, along with easy access to the complete product manual. The Protocols App features:Checklist format to allow convenient tracking of each protocol stepBuilt-in timer that signals the end of timed stepsNotes to record protocol changes that are easily saved in the protocol or emailedImages and videos that simplify complex protocolsAbility to perform master-mix calculations and run multiple protocolsProtocols are available in the following categoriesPCRRT-PCRCloning and transformationTransfectionProtein electrophoresisWestern blottingDNA electrophoresisTaqMan gene expression assayDNA and RNA purification3D culture system