NP	Nanoparticle
APS	Approximate physical size
SSA	Specific surface area
PZC	Point of zero charge
HRTEM	High-resolution transmission electron microscopy
EDX	Energy disperse X-ray spectroscopy
XRD	X-ray diffraction
SAED	Selected area electron diffraction
XPS	X-ray photoelectron spectroscopy
BET	Brunauer–Emmett–Teller
ICP-OES	Inductively coupled plasma-optical emission spectrometry
OS	Oxidative stress
MMP	Mitochondrial membrane potential
SRB	Sulforhodamine B
7-AAD	7-aminoactinomycin D
DCF	2′,7′-dichlorofluorescein
PI	Propidium iodide