Table 1 Nanoparticle characteristics.

From: Difluoroboron β-diketonate polylactic acid oxygen nanosensors for intracellular neuronal imaging

Nanoparticles

Optical properties

Physical properties

λexa (nm)

λFb (nm)

λPc (nm)

τFd (ns)

τPe (ms)

Rhf (nm)

PDf (%)

ζg (mV)

BF2dbmPLA

396

439

509

3.84

200

52

15

− 28

BF2dbm(I)PLA

405

450

535

0.54

4.37

71

24

− 24

  1. aAbsorption maxima. bFluorescence emission maxima excited at 369ˆnm. cPhosphorescence maxima in the delayed emission spectrum excited at 369 nm with a 0.5 ms delay. dFluorescence lifetime monitored at the emission maximum. ePhosphorescence lifetime monitored at the phosphorescence maximum. fHydrodynamic radius and polydispersity (PD) determined by dynamic light scattering. gZeta potential measured by ZetaSizer.
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