PowerPointPrsentation

1
Capsules for Drug Delivery
2

Fabrication of Polyelectrolytes on Soluble
Templates

Stepwise Adsorption of
Polyelectrolyte Molecules on Dissolvable Templates
Final Product
The Polyeelctrolyte Capsule
Removal of the Core
3
Core Removal
0
12.7
19.8
1.4
a
c
d
b
20.6
26.9
72.6
382.6
g
e
f
h
4
Empty Capsules
Exclude Polymers
5
Monodisperse Capsules Obtained on Melamin
Templates
6
Scanning Electron Microscopy of Capsules - Big
and Small
7
Programming Decomposition
m
10 m
m
10 m
m
10 m
8
Threeedimensional Replicas of Cells -
The Replica a Polyelectrolyte Capsule
The Echinocyte
The Template
9
Adjusting the Permeability by Charging the Wall
10 min
1h
4h
m
10 m
Permeation of Fluorescein through highly charged
walls
10
Filled Capsules
Crystals everywhere
Only in Capsules
11
PAH
The Building Blocks
PSS
12
Enzyme Encapsulation by Changing the Wall
Permeability
m
5 m
m
5 m
A FITC-Labelled Protein is encapsulated
13
Optical sensors for pH
Microsensors
Labelled polymers
or Copolymers
Mikrocarriers
Microreactors
Catalysis on Nanopartiicles
Tailored Polymers for
or Polymeric
Adsorption und
Catalysts
Nucleation
Micromechanics
Osmotic Swelling
And Shrinking
Layer Mechanics
14
Capsules with Remains
15
Capsules filled by Synthesis of Polymers inside
16
Writing on Capsules
Reduction of Silver Ions on the Capsule Surface
by Laser
/
5 µm
17
Scanning Force Microscopy The Texture
18
Capsules with Oil inside
19
Coated Colloids Surface Engineering
20
Reversibel Osmotic Swelling and Shrinking