Cost effective method to isolate DNA from preserved saliva samples collected using Norgen's saliva DNA devices or other preservation methods Isolate DNA from a range of input volumes - up to 4 mL Isolate DNA of high recovery and quality suitable for sensitive downstream applications including PCR, qPCR, sequencing, SNP analysis, microarrays, RFLP and Southern Blot Analysis Norgen's Saliva DNA Isolation Reagent Kit (up to 4 mL) is designed for isolation of high quality DNA from up to 4 mL of preserved saliva samples within a laboratory setting. The Saliva DNA Isolation Reagent Kit (up to 4 mL) contains enough reagents for 50 preps of 4 mL saliva samples preserved via Norgen Biotek's Saliva DNA Collection and Preservation Devices (RU49000), or other preservation methods.