0
Nanotechnology
Group

Group 2
Nanotechnology….?
• Nanotechnology is engineering at the molecular
(groups of atoms) level
• It is the collective term for...
Nanotechnology: Size and Scale
100µm

Human Hair

75 µm

Plant and Animal Cells
10µm

0.18µm

Feature Size

Most Bacteria
...
History of nanotechnology
Norio Taniguchi
introduced the term
‘nanotechnology’

In 1959 Richrad Feynman
presented ideas fo...
Approaches in nanotechnology
Top-down Approach

Bottom-up Approach

Creating Nano-scale materials Assembling Nano material...
Aspects of nanotechnology
Nano materials
Nano powders - building blocks of nano materials

(particles less than 100 nm in size)

Porous metallic
‘na...
Carbon
nanotubes
computers
and televisions)

Nano membrane
filtration systems
(safe, clean,

(sensors, fuel cells,
Molecular electronic
‘cross bar latches’
(tiny Nano devices)

Quantum
dots and
artificial atoms
(small devices that
Nanotechnology applications
Medicine
Medicine

Ex. Nano biotechnology
Ex. Nano biotechnology

Electronics and
Electronics ...
Chemistry and
Chemistry and
Environment
Environment

Military and
Military and
security
security
applications
applications...
Stages of Nanotechnology
Agrifood applicatinos currently in
passive to early “active” stage

Passive
Nanostructures
Coatin...
Nanotechnology in Agriculture
Animal or
Animal or
Plant Health
Plant Health
Ex: Detect
Ex: Detect
pathogens
pathogens

Pla...
Agrochemical
Ex: Nanoparticles
in pesticides

In food
industry

Convergence
Nano-Geo-(Bio)Info technology

Packaging

Ex: ...
Nanotechnology in SL; At a glance……
2006 - Sri Lanka’s National
Nanotechnology Initiative
(SLNNI)
2008  Establishment of
...
Health and environmental impacts
Health risks
Medical application of nanoparticles
 ex: enhance drug delivery
Some nano...
USA Highest
investor &
patent holder

1
1
c p bj
ere so
t
fon
blg
l ao
y

In 2004
US$ 4
billion
worldwide

From today to
t...
References……..
1.

Chen et al.,2007. Manufacturing at the Nanoscale. National
Nanotechnology Initiative Workshop Report. S...
3.

National Institute of Food and Agriculture (NIFA) US Department of
Agriculture (USDA), 2009. Nanotechnology for Food a...
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Nanotechnology: Basic introduction to the nanotechnology.

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This simple presentation will help you to understand the every aspects of nanotechnology including basic definition and it's practical application in a very simple yet precise manner.

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Transcript of "Nanotechnology: Basic introduction to the nanotechnology."

  1. 1. Nanotechnology Group Group 2
  2. 2. Nanotechnology….? • Nanotechnology is engineering at the molecular (groups of atoms) level • It is the collective term for a range of technologies, techniques and processes that involve the manipulation of matter at the smallest scale (from 1 to 100 nm 2) W ith15,342 atoms, this parallel-shaft speed reducer gear is one of ith W 15,342 atoms, this parallel-shaft speed reducer gear is one of the largest nanomechanical devices ever modeled the largest nanomechanical devices ever modeled
  3. 3. Nanotechnology: Size and Scale 100µm Human Hair 75 µm Plant and Animal Cells 10µm 0.18µm Feature Size Most Bacteria 1µm 100nm 10nm Lysozyme Transistor Virus Nanotechnology Proteins Carbon Nano-tubes 1nm 0.1nm Atoms Cooper, 2001
  4. 4. History of nanotechnology Norio Taniguchi introduced the term ‘nanotechnology’ In 1959 Richrad Feynman presented ideas for creating Nano scale machines 1980s, development in this field was greatly enhanced with advances in electron microscopy
  5. 5. Approaches in nanotechnology Top-down Approach Bottom-up Approach Creating Nano-scale materials Assembling Nano materials by physically or chemically atom-by-atom or molecule-by breaking down larger materials molecule (self assembling)
  6. 6. Aspects of nanotechnology
  7. 7. Nano materials Nano powders - building blocks of nano materials (particles less than 100 nm in size) Porous metallic ‘nanocubes’ store large amounts of H2 Nanoparticles of gold for new catalysts The scale of nanopowders www.cordis.lu/nanotechnology
  8. 8. Carbon nanotubes computers and televisions) Nano membrane filtration systems (safe, clean, (sensors, fuel cells,
  9. 9. Molecular electronic ‘cross bar latches’ (tiny Nano devices) Quantum dots and artificial atoms (small devices that
  10. 10. Nanotechnology applications Medicine Medicine Ex. Nano biotechnology Ex. Nano biotechnology Electronics and Electronics and information information technologies technologies Energy Energy ex. Renewable ex. Renewable energy energy
  11. 11. Chemistry and Chemistry and Environment Environment Military and Military and security security applications applications Consumer goods Consumer goods
  12. 12. Stages of Nanotechnology Agrifood applicatinos currently in passive to early “active” stage Passive Nanostructures Coatings, polymers,ceramic s 2001 2005 Active Nanostructures Transistors Targeted drugs Adaptive structures 2010 Systems of Nanosystems Robotics 3D networks Guided assemblers 2020 Molecular Nanosystems Molecules by design Evolutionary systems
  13. 13. Nanotechnology in Agriculture Animal or Animal or Plant Health Plant Health Ex: Detect Ex: Detect pathogens pathogens Plant production Ex: Delivery of DNA to plants Animal Production Ex: Nano tube sensors to detect hormone level changes
  14. 14. Agrochemical Ex: Nanoparticles in pesticides In food industry Convergence Nano-Geo-(Bio)Info technology Packaging Ex: Prevent or respond to spoilage Sensing Ex: Detect chemicals or food borne pathogen Safety
  15. 15. Nanotechnology in SL; At a glance…… 2006 - Sri Lanka’s National Nanotechnology Initiative (SLNNI) 2008  Establishment of NANCO (Pvt) Ltd Sri Lanka Institute of Nanotechnology (Pvt) Ltd. (SLINTEC)  Merger of NANCO (Pvt) Ltd. and SLINTEC (Pvt) Ltd. Establishment of  A world class Nanotechnology Laboratory  Establishment of a Nanoscience Park
  16. 16. Health and environmental impacts Health risks Medical application of nanoparticles  ex: enhance drug delivery Some nanoparticles —freely mobile  Negative health and environmental impacts
  17. 17. USA Highest investor & patent holder 1 1 c p bj ere so t fon blg l ao y In 2004 US$ 4 billion worldwide From today to tomorrow….. Leading countries Japan, Western Europe Source: Lux Research 2008
  18. 18. References…….. 1. Chen et al.,2007. Manufacturing at the Nanoscale. National Nanotechnology Initiative Workshop Report. Science and Technology Council Committee on Technology. National Science Foundation. Retrieved March 3, 2012, from http://www.nano.gov/NNI-Manufacturing-at-the-Nanoscale.pdf. 2. Hood, E. 2004. Nanotechnology : Looking as we leap. Environment Health Perspect. Retrieved March 3, 2012 from http://dx.doi.org/10.1289/ehp.112-9740
  19. 19. 3. National Institute of Food and Agriculture (NIFA) US Department of Agriculture (USDA), 2009. Nanotechnology for Food and Agriculture Industry. Retrieved March 5, 2012 from http://www.google.lk/#hl=en&output=search&sclient=psyab&q=Nanotechnology. 4. Interfaculty Environmental Science Department (IVAM) of the University of Amsterdam, Special report 3/30, Buying the nano-market. Retrived March 9 2012, from http://www.google.lk/#hl=en&sclient=psyab&q=Lux+Research.+2008.
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