Table 1.

The condensing forces (Fc) and the unraveling forces (Fu) of DNA complexes as the concentration of magnesium chloride and pH value.

pH Value	Fc (pN)			Fu (pN)
	3 mM	10 mM	100 mM	3 mM	10 mM	100 mM
5.0	0.0±0.0	1.1±0.2	0.0±0.0	0.0±0.0	0.8±0.3	0.0±0.0
3.0	2.4±0.6	3.8±0.8	2.6±0.8	3.7±0.8	7.6±0.5	6.2±0.7
2.0	3.4±1.2	4.5±0.9	3.1±1.0	7.2±1.5	9.5±1.4	5.8±0.9