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NANO WORLD Yu Zhuoxin 3p328

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Page 1: Yu Zhuoxin 3p328. Definitio of nano technology Scale: 1 nm – 100 nm (1 nm = 1 billionth or 10-9of a meter) Creating nanoscale size materials does

NANO WORLDYu Zhuoxin

3p328

Page 2: Yu Zhuoxin 3p328. Definitio of nano technology Scale: 1 nm – 100 nm (1 nm = 1 billionth or 10-9of a meter) Creating nanoscale size materials does

NANO WORLD Definitio of nano technology Scale: 1 nm – 100 nm (1 nm = 1

billionth or 10-9of a meter) Creating nanoscale size materials does

not mean nanotechnology is involved Material must have unique properties

(e.g. electrical, physical, chemical, optical) that are different that the bulk properties

Achieving those unique properties must be repeatable and controllable

Page 3: Yu Zhuoxin 3p328. Definitio of nano technology Scale: 1 nm – 100 nm (1 nm = 1 billionth or 10-9of a meter) Creating nanoscale size materials does
Page 4: Yu Zhuoxin 3p328. Definitio of nano technology Scale: 1 nm – 100 nm (1 nm = 1 billionth or 10-9of a meter) Creating nanoscale size materials does

HOW DO NANOMATERIALS CHANGE OUR LIVES? Nanomaterials offer the potential for

unprecedented material performance that could

Solve major societal problems(e.g. energy, medicine, environment, manufacturing, communications, computing, and security)

Energize the economy for decades Revitalize existing businesses (e.g. forest

products) Boost competitiveness globally Create entirely new industries

Page 5: Yu Zhuoxin 3p328. Definitio of nano technology Scale: 1 nm – 100 nm (1 nm = 1 billionth or 10-9of a meter) Creating nanoscale size materials does

VALUE OF NANOTECHNOLOGY

Page 6: Yu Zhuoxin 3p328. Definitio of nano technology Scale: 1 nm – 100 nm (1 nm = 1 billionth or 10-9of a meter) Creating nanoscale size materials does

USES OF NANOMATERIALS Medicine Diagnostics Drug delivery Tissue engineering Chemistry and environment Filtration Catalysis ………..

Page 7: Yu Zhuoxin 3p328. Definitio of nano technology Scale: 1 nm – 100 nm (1 nm = 1 billionth or 10-9of a meter) Creating nanoscale size materials does

NANO GOLD

Normal gold

Nano gold

Page 8: Yu Zhuoxin 3p328. Definitio of nano technology Scale: 1 nm – 100 nm (1 nm = 1 billionth or 10-9of a meter) Creating nanoscale size materials does

NANO GOLD Gold nanoparticles, known as nano

gold or colloid gold, is a suspension of sub-micrometre-sized particles (10nm or more) in a fluiod, usually water. If the particle is less than 100nm, a intense red colour is usually observed, but if larger, a dirty yellowish colour is observed in the supension.

It is a semi-conductor as well.

Page 9: Yu Zhuoxin 3p328. Definitio of nano technology Scale: 1 nm – 100 nm (1 nm = 1 billionth or 10-9of a meter) Creating nanoscale size materials does

USES OF NANO GOLD Health and medical applications

Cancer Nano gold reflects light very well. Many

cancers have receptors on their outer layers, in which gold nanoparticles can be bound to antibodies which attach to the cancer cell receptors, and can be viewed under siple white light microscope to detect cancer cells by seeing the reflection of light.

Also, ability for gold nano rods to be inserted into cancer cell to weaken the cancer and eventually kill it poses potential to be cancer cure.

Page 10: Yu Zhuoxin 3p328. Definitio of nano technology Scale: 1 nm – 100 nm (1 nm = 1 billionth or 10-9of a meter) Creating nanoscale size materials does

USES OF GOLD NANO The combination of microwave radiation

and colloidal gold can destroy the beta-amyloid fibrils and plaque which are associated with Alzheimer's disease. The possibilities for numerous similar radiative applications are also currently under exploration.

Gold nanoparticles are being investigated as carriers for drugs such as Paclitaxel. Nanosized particles are particularly efficient in evading the reticuloendothelial system.

Page 11: Yu Zhuoxin 3p328. Definitio of nano technology Scale: 1 nm – 100 nm (1 nm = 1 billionth or 10-9of a meter) Creating nanoscale size materials does

CARBON NANOTUBES

http://upload.wikimedia.org/wikipedia/commons/4/46/Louie_nanotube.jpg
Page 12: Yu Zhuoxin 3p328. Definitio of nano technology Scale: 1 nm – 100 nm (1 nm = 1 billionth or 10-9of a meter) Creating nanoscale size materials does

PROPERTIES OF CARBON NANOTUBES

carbon nanotubes are extremely strong, probably one of the strongest materials that is even theoretically possible. Although nanotubes are only about a nanometer wide, they can be very long in comparison to their width, a useful property for strength.

it will be the strongest fiber available

http://upload.wikimedia.org/wikipedia/commons/4/46/Louie_nanotube.jpg
Page 13: Yu Zhuoxin 3p328. Definitio of nano technology Scale: 1 nm – 100 nm (1 nm = 1 billionth or 10-9of a meter) Creating nanoscale size materials does

USES OF CARBON NANOTUBES Single-walled carbon nanotubes are excellent

conductors, and many computing companies are developing ways to use them in computers. The use of carbon nanotubes will allow the computing industry to create computers more powerful than those which can be fabricated via the conventional method of photolithography.

Carbon nanotubes are capable of ballistic electron transport, meaning they are excellent conductors in the direction of the tube. This led them to be proposed as the ideal building material for the next generation of televisions, although the improvements of LCDs, including OLCDs, makes this unlikely in the near-term future

http://upload.wikimedia.org/wikipedia/commons/4/46/Louie_nanotube.jpg
Page 14: Yu Zhuoxin 3p328. Definitio of nano technology Scale: 1 nm – 100 nm (1 nm = 1 billionth or 10-9of a meter) Creating nanoscale size materials does

CARBON NANOTUBES

As a semi-conductor for headsink

Carbon nanotubes' electronic properties optimized for future applications

Page 15: Yu Zhuoxin 3p328. Definitio of nano technology Scale: 1 nm – 100 nm (1 nm = 1 billionth or 10-9of a meter) Creating nanoscale size materials does

NANOSENSOR Nanosensors are any biological,

chemical, or sugery sensory points used to convey information about nanoparticles to the macroscopic world. Their use mainly include various medicinal purposes and as gateways to building other nanoproducts, such as computer chips that work at the nanoscale and nanorobots. Presently, there are several ways proposed to make nanosensors, including top-down lithography, bottom-up assembly, and molecular self-assembly

Page 16: Yu Zhuoxin 3p328. Definitio of nano technology Scale: 1 nm – 100 nm (1 nm = 1 billionth or 10-9of a meter) Creating nanoscale size materials does

NANOSENSOR Nanosensor chips work at the nanoscale

and nanorobots The produce of nanosensor involve

attaching a single particle onto the end of a carbon nanotube and measuring the vibrational frequency of the nanotube both with and without the particle

Page 17: Yu Zhuoxin 3p328. Definitio of nano technology Scale: 1 nm – 100 nm (1 nm = 1 billionth or 10-9of a meter) Creating nanoscale size materials does

NANOSENSOR

Page 18: Yu Zhuoxin 3p328. Definitio of nano technology Scale: 1 nm – 100 nm (1 nm = 1 billionth or 10-9of a meter) Creating nanoscale size materials does

NANOSENSOR

http://upload.wikimedia.org/wikipedia/commons/d/d3/Nanosensor.JPG
Page 19: Yu Zhuoxin 3p328. Definitio of nano technology Scale: 1 nm – 100 nm (1 nm = 1 billionth or 10-9of a meter) Creating nanoscale size materials does

VIDEO ADDRESS This video gives a brief introduction to

the applications of nanomaterials in real life.

http://www.youtube.com/watch?v=abrFSh653zE

This video shows the use of nanomaterials in technology area.(Carbon nanotubes)

http://www.youtube.com/watch?v=ikYhyjPjKBs&feature=related

http://www.youtube.com/watch?v=abrFSh653zE
http://www.youtube.com/watch?v=abrFSh653zE
http://www.youtube.com/watch?v=abrFSh653zE
http://www.youtube.com/watch?v=ikYhyjPjKBs&feature=related
http://www.youtube.com/watch?v=ikYhyjPjKBs&feature=related
http://www.youtube.com/watch?v=ikYhyjPjKBs&feature=related
Page 20: Yu Zhuoxin 3p328. Definitio of nano technology Scale: 1 nm – 100 nm (1 nm = 1 billionth or 10-9of a meter) Creating nanoscale size materials does

REFERNCE http://www.physorg.com/news124376

552.html http://www.topnews.in/healthcare/con

tent/-2652gold-nanoparticles-may-carry-multiple-drugs-treat-cancer

http://en.wikipedia.org/wiki/File:C60_Buckyball.gif

http://en.wikipedia.org/wiki/Silver_nanoparticles

http://thetechnologicalcitizen.com/wp-content/uploads/2010/01/Question.jpg

http://www.physorg.com/news124376552.html
http://www.physorg.com/news124376552.html
http://www.topnews.in/healthcare/content/-2652gold-nanoparticles-may-carry-multiple-drugs-treat-cancer
http://www.topnews.in/healthcare/content/-2652gold-nanoparticles-may-carry-multiple-drugs-treat-cancer
http://www.topnews.in/healthcare/content/-2652gold-nanoparticles-may-carry-multiple-drugs-treat-cancer
http://en.wikipedia.org/wiki/File:C60_Buckyball.gif
http://en.wikipedia.org/wiki/File:C60_Buckyball.gif
http://en.wikipedia.org/wiki/Silver_nanoparticles
http://en.wikipedia.org/wiki/Silver_nanoparticles
http://thetechnologicalcitizen.com/wp-content/uploads/2010/01/Question.jpg
http://thetechnologicalcitizen.com/wp-content/uploads/2010/01/Question.jpg
http://thetechnologicalcitizen.com/wp-content/uploads/2010/01/Question.jpg
Page 21: Yu Zhuoxin 3p328. Definitio of nano technology Scale: 1 nm – 100 nm (1 nm = 1 billionth or 10-9of a meter) Creating nanoscale size materials does

THANK YOU FOR

YOUR KIND ATTENTION


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