ACE2	Angiotensin-converting enzyme 2
BSA	Bovine serum albumin
CSV	Cell-surface vimentin
CTCs	Circulating tumor cells
FluidFM	Fluidic force microscopy
IGF-1	Insulin-like growth factor-1
IGF-1R	Insulin-like growth factor-1 receptor
MCF-7 cells	Human breast cancer epithelial cell line
MCF-10a	Non-tumorigenic epithelial cell line
MTT	3-[4,5-dimethylthiazole-2-yl]-2,5-diphenyltetrazolium bromide
PBS	Phosphate-buffered saline
PDMS	Polydimethylsiloxane
RBD	Receptor binding domain
SARS-CoV	Severe acute respiratory syndrome coronavirus