Table 1 The sequence, assembled behavior, targeting and tailoring capability of different designed molecules.

From: A bioactivated in vivo assembly nanotechnology fabricated NIR probe for small pancreatic tumor intraoperative imaging

Name

Molecular sequencea

Critical assembly concentration (CAC)b (μM)

Targeting receptor

Tailoring enzyme

M1

mPEG-GPAKLVFFGC(IR783)GRGD

>500

αvβ3

FAP-α

M2

mPEG-AGGKLVFFGC(IR783)GRGD

>500

αvβ3

M3

mPEG-GPAKLVFFGCGRGD

>303.7

αvβ3

FAP-α

R-M1

AKLVFFGC(IR783)GRGD

37.2

αvβ3

M4

mPEG-GPAKLVFFGC(IR783)GDTG

>500

FAP-α

M5

mPEG-AGGKLVFFGCGRGD

>332.7

αvβ3

R-M3

AKLVFFGCGRGD

19.2

αvβ3

  1. amPEG was methoxy polyethylene glycol with a molecular weight around 2000.
  2. bThe CAC was analyzed based on pyrene.