Additionally, amplification was inhibited by 4 μL or greater of swab sample. Taken alongside one another, these success affirm that viral RNA could possibly be detected by direct addition of swab samples in UTM to TaqPath grasp mix if the amount of swab sample extra isn't going to exceed ~five–ten% https://www.quora.com/profile/Even-Sa/Common-Problems-in-Magnetic-Bead-Method-Nucleic-Acid-Extraction-Home-https-www-lingjunbio-com-Technology-Sharing