Alloy
Magnesium alloy
Cell protection
Antibody
http://en.wikipedia.org/wiki/Nucleic_acid
Cancer treatment
Power source
http://en.wikipedia.org/wiki/Oxygen
Cells
http://en.wikipedia.org/wiki/Hepatitis_C
Plant culture
http://en.wikipedia.org/wiki/HIV
http://en.wikipedia.org/wiki/Titanium_oxide
Semiconductor
Earthquake-proofing
Acoustic capacity
http://en.wikipedia.org/wiki/Electron_paramagnetic_resonance
