BBB	Blood brain barrier
LOC	Lab-on-a-chip
TEER	Transendothelial Electrical Resistance
NMs	Nanomedicines
SLNs	Solid lipid nanoparticles
NPs	Nanoparticles
CSF	Cerebrospinal fluid
AD	Alzheimer’s disease
PD	Parkinson’s disease
HD	Huntington’s disease
BVD	Brain vessel density
BMECs	Brain microvascular endothelial cells
VEGF	Vascular endothelial growth factor
NO	Nitric oxide
CsA	Cyclosporine A
mPEG-PLGA	Methoxy poly(ethylene glycol)-b-poly(lactic-co-glycolic acid)
BVZ	Bevacizumab
TMZ	Temozolomide
DOX	Doxorubicin
SFN	Sorafenib
GBM	Glioblastoma multiforme
ApoE	Apolipoprotein E
MTX	Methotrexate
CTX	Chlorotoxin
PC	Parallel channel
HT	hollow-microtube
CR	Concentric-ring
PMA	Phorbol 12-myristate 13-acetate
S1P	Sphingosine-1-phosphate
GFAP	Glial fibrillary acidic protein
PDMS	Polydimethylsiloxane
P-gp	Permeability glycoprotein
HUVEC	Human Umbilical Vein Endothelial Cell
hCMEC	Human Cerebral Microvascular Endothelial Cell
iPS-BMVEC	Induced pluripotent stem cell-derived human brain microvascular endothelial cell
hBMVEC	Human brain microvascular endothelial cells
RBE4	Rat brain endothelial cell 4
b.End3	Mice brain endothelial cell
hA	Human Astrocyte
hP	Human brain Pericyte
hNSC	Human neuronal stem cell
HIP-009	Human Hippocampal Neural Stem
C8D1A	Mice astrocyte cell
LF	Human Lung fibroblast