Insoluble debris가 filter 를 통과하지 못하도록 하여 viscosity를 감소
The QIAshredder homogenizer consists of a unique biopolymer-shredding system in a microcentrifuge spin-column format. Cell or tissue lysate is loaded onto the QIAshredder homogenizer placed in a collection tube and centrifuged. The homogenized lysate is then collected. In general, similar yields and quality of RNA are obtained as with rotor–stator homogenization (see figure "Comparison of RNA yields").