Table 1.

Culturability of nanobacteria and apatite formation

Culture condition	Replication	Size	Apatite and its form
Serum	+	S	+, nanocolloid
10–50% serum in DMEM	+	S	++, nanocolloid
DMEM	+	L	+++, sand
50% DMEM50% urine	+	L	+++, sand
Urine	+/−	n.e.	n.e.
Modified Loeffler medium	+	L	+++, tumor-like

S, small size (200–400 nm); L, large size (1 μm to 1 mm, including the mineral). n.e., not evaluated because of crystal formation. Pluses in the last column refer to amount.