Table 3. Specific Capture of cccDNA Using Magnetic Beads Functionalized With 21-49 mer Oligonucleotides.

Probe number	Probe Length, mer	Hybridization Time, h	Concentration of Starting cccDNA, IU/mL	Detection Concentration by MCH-qPCR, IU/mLa
1	21	1	105	104
2	25	1	105	103
3	35	1	105	104
4	49	1	105	105
1	21	2	105	105
2	25	2	105	104
3	35	2	105	104
4	49	2	105	105
1	21	3	105	105
2	25	3	105	104
3	35	3	105	105
4	49	3	105	105

^a Abbreviation: MCH-qPCR, magnetic capture hybridization-quantitative polymerase chain reaction.