Table 1 The properties of solid-phase nucleic acid purification technology

Technology	Type of solid surface	Salt	Solvent	Reference
Boom	Silica (Hydroxyl group)	Chaotropic salt	Ethanol	Boom et al., 1990
CST	Aromatic group	No specific salt	-	Sohni et al., 2008
SPRI	Carboxyl group	NaCl, PEG	Ethanol	de Angelis et al., 1995
CCT	Sand-Clay	Mg2+, EDTA	Ethanol	Hoopes & McClure, 1981