isolation method | capture molecule | serum vol. (µl) | average RNA extracted (ng) | average extracted RNA/serum (pg/µl) | ratio of average RNA/serum | ref |
microfluidic device | anti-human CD63 | 400 | 4.14 | 10.4 | 20 | 20 |
paper device | anti-human CD63 | 72 | 1.49 ± 0.08 | 20.7 | 39 | 22 |
paper device | annexin V | 72 | 0.99 ± 0.26 | 13.8 | 26 | 22 |
ultracentrifugation | - | 2,000 | 1.06 ± 0.64 | 0.53 | 1 | |
serum | - | 72 | 1.23 ± 0.58 | 17 | 32 | 22 |