TABLE 4.

Remanent magnetization, saturation magnetization, coercivity, and M_rs/M_s ratios of wild-type AMB-1^a

Time of culture (h) by concn	Mrs (emu)	Ms (emu)	Hc (Oe)	Mrs/Ms
[Fe] = 30 μM
26	1.74 × 10−5	4.06 × 10−5	75.50	0.43
	2.55 × 10−5	7.88 × 10−5	37.02	0.32
	7.03 × 10−5	1.89 × 10−4	102.17	0.37
46	1.08 × 10−3	2.23 × 10−3	138.02	0.48
	8.00 × 10−4	1.68 × 10−3	123.28	0.48
	1.22 × 10−3	2.60 × 10−3	134.23	0.47
69	6.80 × 10−4	1.57 × 10−3	115.97	0.43
	1.07 × 10−3	2.24 × 10−3	156.12	0.48
	1.12 × 10−3	2.39 × 10−3	164.70	0.47
[Fe] = 150 μM
26	5.19 × 10−5	1.12 × 10−4	56.81	0.46
	1.99 × 10−5	6.42 × 10−5	34.87	0.31
	1.15 × 10−5	3.18 × 10−5	37.50	0.36
46	2.23 × 10−3	4.52 × 10−3	186.19	0.49
	2.01 × 10−3	4.03 × 10−3	175.58	0.50
	1.86 × 10−3	3.64 × 10−3	179.27	0.51
69
	1.69 × 10−3	3.89 × 10−3	202.27	0.43
	2.49 × 10−3	4.57 × 10−3	246.70	0.55

^aM_rs, remanent magnetization; M_s, saturation magnetization; H_c, coercivity; Oe, oersteds.