Nano materials is the mid-1980s to develop a new type of material, its advanced than the negative oxygen ions 50.
 
Scientists predict that the 21st century will be the era of nanotechnology, is another industrial revolution inevitable.

Recent research has determined that silver ions destroy bacteria, viruses, fungi, protozoa, and even cancer cells.

Oligodynamic silver refers to the power of an extremely small concentration of silver ions to exert biocidal actions.