2. NANOFIBERS FOR APPLICATIONS IN MEMS, NANOTECHNOLOGY, BIOTECHNOLOGY AND MEDICINE

3. High tensile strength stronger than steel (on weight basis ) High extensibility comparable to rubber (elasticity)

4. NANOFIBERS (Definition) NANOFIBERS

5. Electrospinning of Polymers 30000 Volt

6. Electrospinning of nanofibers 30,000 Volt

8. SEM image of electrospun PET fibers. Fiber diameters are in the range of 1.5 - 4  10 micron

9. Electron micrograph of 300 nm polybenzimidazole nanofibers

10. Woven polyester shirt fabric

11. Nanofibers have large surface area per gram

12. Research Goals: *Investigation of Nanofibers Mechanical Properties *Advanced process control – “writing with fiber”

13. Potential Uses of nanofibers

14. Protective Clothing

15. Solar Sail Comet

16. Solar sail freight arriving on Mars

17. Leaf with nanofibers containing pesticide

18. Nanofibers as a physical barrier to insects

19. Bridge with nanofibers (Dupont)

20. Fiber Optic - nanofibers

21. Braid of aligned nanofibers. Density  100nfs/  m 2 Several aligned nanofibers

22. Nanofiber after burnout Super conductive nanofibers (Poly- acrylic acid + Salts)

23. Conductive nanofibers (PEDOT/PEO) Current-Voltage Response

24. Nanofiber nonwoven fabric Soft-tissue biomedical applications

25. A microelectrode records the firing of individual cells in a monkey's visual cortex