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PAXgene blood RNA tube for RNA extraction - (Aug/30/2011 )

Does anyone know why it is not good to transfer of blood into the PAXgene blood RNA tube with syringe? Is it necessary to use jost BD vacutainer safety-lock blood collection set?

Thanks Everyone


Risk of needle-stick injury is the biggest factor I suspect. Though it may be to stop it getting further aerated or damaging the cells in the blood, which would lower the amount of DNA and RNA you could extract.