Table 1 Mean size of chitosan particles prepared under various precursor concentrations in a fixed flow rate of air: 0.075 L/min and inlet temperature (Tc): 130 °C.

From: Investigations of the Influences of Processing Conditions on the Properties of Spray Dried Chitosan-Tripolyphosphate Particles loaded with Theophylline

Sample code

Chitosan (%,w/v)

TH (%,w/v)

TPP (% w/v)

Mean Size (nm)

G.S.D (σg)

C1

5 × 10−5

0

0

98

1.28

C2

5 × 10−4

101

1.27

C3

5 × 10−3

174

1.12

C4

0.01

185

1.17

C5

0.05

280

1.17

C6

0.1

415

1.19

  1. σg describes the size dispersion of chitosan particles relative to their geometric mean values. Averaged standard deviation of mean size from overall data (not shown) is 20 (nm) with N > 300.