3R’s	Reduces, Refines, or Replaces
ACD	Autophagic Cell Death
AgNPs	Silver Nanoparticles
AMPK	AMP Kinase
AOP	Adverse Outcome Pathway
AuNPs	Gold Nanoparticles
BBB	Blood–Brain Barrier
BPR	Biocidal Products Regulations
CLP	Classification, Labelling and Packaging
CuONPs	Copper Oxide Nanoparticles
DMH	Dimethylhydrazine
ECVAM	European Center for the Validation of Alternative Methods
ER	Endoplasmic Reticulum
FADD	Fas-Associated Protein with Death Domain
GIT	Gastrointestinal Tract
INRA	French National Institute for Agricultural Research
ISO	International Organization for Standardization
LMP	Lysosomal Membrane Permeabilization
NCI	National Cancer Institute
NCL	Nanotechnology Characterization Lab
NMs	Nanomaterials
NRC	National Research Council
OECD	Organization for Economic Co-operation and Development
PDT	Photodynamic Therapy
REACH	Registration, Evaluation, Authorization and Restriction of Chemicals
ROS	Reactive Oxygen Species
SC	Stratum Corneum
SCCS	Scientific Committee on Consumer Safety
SEURAT	Safety Evaluation Ultimately Replacing Animal Testing
TEM	Transmission Electron Microscopy
TiO2NPs	Titanium Dioxide Nanoparticles
TT21C	Toxicity Testing in the 21st Century
UV	Ultraviolet
UV-light	Ultraviolet Light
ZnONPs	Zinc Oxide Nanoparticles