Figure 15: The effect of the culturing media on the viability of a breast cancer cell, MCF-7. NE in the diagram indicates that unexposed deionized water was used to prepare the medium as a control. EQ means that deionized water treated in the noncontact manner for 48 hours was used for the preparation of medium. The number indicates the amount of the suspended layer which was taken from the premixed DMEM with 1% of QELBY® ceramic powder and left for 48 hours to prepare the media. Data are mean ± SD . Means with different superscript are significantly different at .