Additionally, amplification was inhibited by 4 μL or higher of swab sample. Taken together, these benefits affirm that viral RNA might be detected by immediate addition of swab samples in UTM to TaqPath master combine When the amount of swab sample extra doesn't exceed ~five–ten% in the total reaction volume. https://www.quora.com/profile/Even-Sa/Free-Nucleic-Acid-Extraction-by-Magnetic-Bead-Method-Home-https-www-lingjunbio-com-Technology-Sharing-https-w