Name

Mw (g mol-1)

Diameter (±stdev)

PVP

10,000

690(±450)

 

50,000

820(±470)

 

360,000

95(±25)

 

1,300,000

970(±1005)

PEG

10,000

1120(±185)

PEO

300,000

-

 

600,000

-

Table 1: Effect of different non-ionic surfactants [1% w/v (EtOH: 2-MeEtOH)] on size and size distribution of PTA NPs.