Evolving utility of exosomes in pancreatic cancer management

Table 4 Different quantifying methods for exosome

Method	Size range	Specificity	Time	Ref.
Nanoparticle tracking analysis	10 nm-2 μm	Immunoaffinity	< 1 h	[48]
Dynamic light scattering	10 nm-8 μm	Size	< 1 h	[57]
Electron microscopy	10 nm	Size	< 1 h	[58,59]
Nanopore	> 10 nm	Size	< 1 h	[60,61]
Magnetic resonance	Wide range	Immunoaffinity	< 10 min	[62]
Electrochemical and plasmonic	Depends on binding	Immunoaffinity	< 10 min	[63,64]