1. For this and much more material, visit the free download area on: http:// www.surfacetreatments.it / http://www.slideshare.net/PalmieriProfEnzo

2. Development and characterization of a plasma needle for biomedical applications Student: Matthias Bäcker Advisors: prof. M. Mueller Veggian prof V. Palmieri

4. Plasma generation solid gaseous + Energy liquid + Energy + Energy PLASMA

6. Plasma interaction with surfaces

8. Thermal and non-thermal plasmas

9. Different atmospheric plasmas 1 2 3 4 3) J. Goree, Biomedical applications of plasma treatment 4) G. Fridman, Bio-Medical Applications of Non-thermal Atmospheric Pressure Plasmas 2) Atomflo™ 225C, www.surfxtechnologies.com 1) I. E. Kieft, Electrical and optical characterization of the plasma needle

11. Helium plasma RF- excitation at 13.56 MHz Helium

13. U-I-characteristic Breakdown voltage U=274 V

14. Measured current and voltage Calculated Power: P = 15,8 ± 3,1 W Consumed in plasma: P = 4,6 W

15. Temperature helium plasma

16. OES helium plasma .

17. I. Surface modification

18. Contact angle measurements 45° Copper 32° Quartz Untreated 13° 7° Treated

19. Contact angle measurements 21° 40° Silicon Silicon with PLCH Untreated 18° 29° Treated

20. Contact angle measurements 20° Treated 71° Polystyrene Untreated

21. Multi-well titerplate treatment

22. ELISA results Run# Time in s Power in W I 0 --- II 60 10 III 120 10 IV 60 15 V 120 15 VI 10 20

23. II. Thin film deposition Pictures taken from Kwang-Ryeol Lee, Diamon-Like Carbon Coatings for Bio-medical Implant Materials

25. Plasma with admixture of cyclohexane

27. FTIR spectra comparison

28. FTIR peak comparison

29. Thank you for your attention

30. Temperature with cyclohexane admixture

31. Temperature vs. distance

32. OES cyclohexane plasma

33. Measured voltage and current

35. FTIR spectrum

36. For this and much more material, visit the free download area on: http:// www.surfacetreatments.it / http://www.slideshare.net/PalmieriProfEnzo