nano technology and its application

Click here to load reader

Post on 22-Jan-2018

169 views

Category:

Education

3 download

Embed Size (px)

TRANSCRIPT

  1. 1. NANOTECHNOLOGY PRASENTED BY. PRAVEENKUMAR.K.S USN NO 3BK12M066 MECHANICAL DEPT BASAVAKALYAN ENGINEERING COLLEEGE BASAVAKALYAN SEMINAR ON..... GUIDED BY PROF :PRAVEEN .B
  2. 2. Contents 1. INTRODUCTION. 2.DEFINATION 3.TOOLS AND TECHNEQUES 4. APPROCHES USED 5.MATERIAL USED 6.APPLICATION 7.NANO IN INDIA 8.POSIBALITY OF NANOTECH IN FATURE 9.PITFALLS OF NANO
  3. 3. NANO & TECHNOLOGY A Nanometre is a unit of length in the metric system, equal to one billionth of a metre(10-9). Technology is the making, usage, and knowledge of tools, machines and techniques, in order to solve a problem or perform a specific function.
  4. 4. Nanotechnology is the study of manipulating matter on an atomic scale. Nanotechnology refers to the constructing and engineering of the functional systems at very micro level or we can say at atomic level. A Nanometer is one billionth of a meter, roughly the width of three or four atoms. The average human hair is about 25,000 nanometers wide. Defination
  5. 5. A nanometer is one billionth of a meter Human Hair: Approx. 1x105 nm DNA Sample: Approx. 2 nm How Small Is Nanoscale?
  6. 6. Tools & Technology There are several important modern developments. The atomic force microscope (AFM). The Scanning Tunneling Microscope (STM) are scanning probes that launched nanotechnology. Various techniques of nanolithography such as: optical lithography. X-ray lithography, Dip pen nanolithography Electron beam lithography(inkjet printer) were also developed. Lithography in MEMS context is typically the transfer of a pattern into a photosensitive material by selective exposure to a radiation source such as light.
  7. 7. Carbon Nanotube Carbon nanotubes are allotropes of carbon with a cylindrical nanostructure. They have length-to-diameter ratio of upto 132,000,000:1. Nanotubes are members of the fullerene structural family. Their name is derived from their long, hollow structure with the walls formed by one-atom-thick sheets of carbon, called graphene. Properties Highest strength to weight ratio, helps in creating light weight spacecrafts. Easily penetrate membranes such as cell walls. Helps in cancer treatment. Electrical resistance changes significantly when other molecules attach themselves to the carbon atoms. Helps in developing sensors that can detect chemical vapours.
  8. 8. CARBON TUBE AS BUCKY PAPER The thin sheet made from carbon nano tube Bucky owns its name from buck minister fullerance
  9. 9. NANOROBOTICS
  10. 10. Nano robots are the controllable devices measured on the scale of Nanometers to perform the tasks in both Medical and Industrial fields..
  11. 11. SPECIFICATIONS OF NANOROBOTSThey are made of Carbon atoms in a diamond structure & light elements such as hydrogen, oxygen, nitrogen, silicon etc. Super smooth surfaces. The nanofactories would use nano-scale tools capable of constructing nanorobots with exact specifications.
  12. 12. NANOROBOT AND ITS PARTS It have a wide range of sensors to navigate through human body and fast molecular identification. It may have powerful transport subsystem to molecular deliver system. Wide range of computer guided nanomanipulator also required.
  13. 13. Nanorobots in Cancer treatment Chemotherapy treatment can affect the body health & also weaken the body strength , but nanorobots treatment does not have any adverse effects on body. . The traditional treatment of radiation that kills not only cancer cells but healthy human cells as well, causing hair loss, fatigue, nausea, depression, and many other symptoms, but nanorobots detects only infected cells and destroys them.
  14. 14. USE OF NANOROBOTS IN HUMANBODY A doctor offers the patient an injection of a nanorobot. Seeks out cancer cells and destroy them. Dispells the disease at the source, leaving the healthy cells untouched. The patients has no awareness of devices working inside them. nanorobots 18
  15. 15. An imaginary picture of Nanorobot destroying the infected cell
  16. 16. Electronics: Nano Transistors Nano Diodes OLED (Organic Light Emitting Diode) APPLICATION
  17. 17. Carbon nanotubes on a glass or plastic sheet allow manufacturers to make clear conductive panels for displays that are extremely thin. Image LG PRAVEEN KUMAR
  18. 18. Life Sciences: Targeted Drug Delivery Artificial Retina Tissue Regeneration
  19. 19. Nanotechnology in Agriculture and Food Technology
  20. 20. 1. Pathogen and Contaminant Detection Imagine using nanotechnology to create self-healing materials or coatings that can modify agricultural materials or packaging to prevent microbial contamination; Or sensors which can slow decomposition and detect pathogens before your nose does.
  21. 21. In the near future nanostructured catalysts will be available which will increase the efficiency of pesticides and herbicides, allowing lower doses to be used.
  22. 22. Nanotechnology may make it possible to manufacture lighter, stronger, and programmable materials that require less energy to produce than conventional material and that promise greater fuel efficiency in land transportation, ships, aircraft, and space vehicles. The future of nanotechnology could very well include the use of nanorobotics. These nanorobots have the potential to take on human tasks as well as tasks that humans could never complete. The rebuilding of the depleted ozone layer could potentially be able to be performed.
  23. 23. There would be an entire nano surgical field to help cure everything from natural aging to diabetes to bone spurs. There would be almost nothing that couldnt be repaired (eventually) with the introduction of nano surgery.
  24. 24. Nano-particles can get into the body through the skin, lungs and digestive system, thus creating free radicals that can cause cell damage. Once nano-particles are in the bloodstream, they will be able to cross the blood-brain barrier. The most dangerous Nano-application use for military purposes is the Nano-bomb that contain engineered self multiplying deadly viruses that can continue to wipe out a community, country or even a civilization. Nanobots because of their replicating behavior can be big threat for GRAY GOO.
  25. 25. Nanotechnology with all its challenges and opportunities will become a part of our future. The researchers are optimistic for the products based upon this technology. Nanotechnology is slowly but steadily ushering in the new industrial revolution. Conclusion

View more