Hiseqxten测序数据分析
来自 : 蚂蚁淘
- Turnonmachineandwaitforittowarmup
- Washglasscuvettesthoroughlybeforeuseandif2areusedthenmakesuretheyarea‘matching’pair.
- ForSpec.inDaveAndersonsbaythenpress‘goto?’typein‘260’press‘enter’machinewillchangewavelength.Insert1mlofwaterintomachineandpress‘autozero’Forothermachinesthensetwavelengthto260andautozerowithwater.
- Put5mlofDNAconcentration?intoacleanmatchingcuvette,add1mlofwaterandmixbycoveringwithParafilmandinverting.
- InsertcuvetteintomachineandnotereADIngi.e.0.030.
- Followsteps3againbutthistimesetwavelengthto280,notereading.
- Repeatprocedure3timeswithnewsamplesofDNAnotingreadingsatbothA260andA280.
- TakeanaverageoftheA260readingsandmultiplythefigureby10togivetheconcentrationofDNAperml.i.e.0.030x10=3.0mg/ml
- TakeaverageofA280readingsanddivideA260averagebytheA280averagethisshouldgiveafigurebetween1.8-2.0ifitisoutoftherangethentheDNAisnotpureandsampleshouldbepurifiedusingphenol/chloroform.
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