Table 1 Characteristics of the nanosensors synthesised in this study.

From: Fluorescent nanosensors reveal dynamic pH gradients during biofilm formation

 

Positively charged polyacrylamide nanosensors (n = 3)

Positively charged polyacrylamide nanoparticles without dyes (n = 1)

Neutral polyacrylamide nanosensors (n = 1)

Size (nm)

34.77 ± 4.63

46.41

37.51

PDI

0.168 ± 0.036

0.167

0.096

Z-potential (mV)

15.6 ± 3.85

17.7

−4.75

  1. PDI polydispersity index, n number of preparations analysed.
  2. The size, polydispersity index (PDI) and zeta potential values of positively charged polyacrylamide nanosensors, positively charged polyacrylamide nanosensors without dyes and neutral polyacrylamide nanosensors, determined by a MalvernTM DLS instrument.
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