Microparticles

No of adsorption steps (s)

Ins encapsulation efficiency, %

Content,
w/w %*

Mean size, μm

Ins

DS

Ch

(Ins-DS)

1

97±3

81±4

17±5

-

9±2

(Ins-DS)-Ch

2

67±2

63±3

21±3

19±2

10±2

(Ins-DS)-Ch-DS

3

65±3

57±2

28±5

15±2

12±2

(Ins-DS)-Ch-DS-Ch

4

65±2

57±4

26±3

17±2

9±2

*Ratio of the component to microparticle weight
Table 2: Characterization of insulin-containing polyelectrolyte microparticles.
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