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The Importance of Nanotechnology

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Hannah Crofts

on 21 April 2014

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Transcript of The Importance of Nanotechnology

The Importance of Nanotechnology
What is Nanotechnology?
In terms of size, nanometers are very small values, 0.000000001 meters.
It has enabled science to use technology to analyze living things at a subcellular level(1).
Nanotechnology covers a wide range of topics and applications such as drug delivery, tissue engineering, biomaterials and imaging(1).
Economic Impact
Has the potential to create 7 million jobs world wide(2).
The expected global expenditure of nanotechnology used in medical applications is $70-160 billion(1).
37% of people asked in a recent survey got this estimation correct
The Use of Nanotechnology in Drug Delivery

In this case, drug delivery is what happens to the drug once it is inside the body and how the drug gets to a specific site to release its therapeutic effect.
Advantages
Increase biological activity(1)
Increase efficacy(1)
Release drug at more regulated intervals(1)
Increase biological availability(1)
More effective
Liposomes
Nanotechnology in Tissue engineering

Nanotechnology in Tissue Engineering
Nanotechnology in Orthopedics
Thanks for listening
Any Questions?
1/3 of people asked in the survey knew what Liposomes were.
Tissue Engineering focuses on the development of artificial biological alternatives to restore, maintain, mend or amplify tissue organ function.
Scaffolds are very important in tissue engineering as they provide a basis for cells to grow and build upon .(1)
There are many different nanopatterns which can influence cell adhesion, position, differentiation, character or cell signaling.
Bone is made up of nanosized organic matter and minerals.(3)
Nanotechnology could potentially enhance greater orientation and movement of damaged bone and maintain greater bioactivity.(3)
Carbon nanofibers have shown to increase dynamic calcium deposition.(3)
1. Shi.J, Votruba.A.R, Farokhzad.O.C, Langer.R, Nanotechnology in Drug Delivery and Tissue Engineering:From Discovery to Applications, Nano Lett. , 2010, 10 (9), pp 3223–3230
DOI: 10.1021/nl102184c
2. Roco, M.C., National Technology Initiative – Past, Present, Future, Handbook on Nanoscience , Engineering and Technology, 2007, 2:3.1-3.26
3. Sahoo.S.K, Parveen.S, Panda.J.J, The present and future of nanotechnology in human health care, Nanomedicine: Nanotechnology, Biology and Medicine, 2007, 3:20-3
Fig 3. Arora.V, Nanotechnology Drug Delivery Systems: An Insight, http://trialx.com/curetalk/2012/10/nanotechnology-drug-delivery-systems-an-insight/ accessed 18/ 04/14,
Fig 4. Liposome, Wikipedia , http://en.wikipedia.org/wiki/Liposome accesed 18/04/14
Fig 5. Foss.M, Cloetens.P, Kassem.M, Besenbacher.F, Nanoporous 3D scaffold for tissue engineering, http://www.nanotech.net/content/conference/themes/health-and-bio/tissue-engineering/nanoporous-3d-scaffold-tissue-engineerin, accessed 20/04/14
Fig 6. Santos.E, Orive.G, Hernández.R.M, Pedraz.J.L, Cell-Biomaterial Interaction: Strategies To Mimic The Extracellular Matrix, Regenerative Medicine and Tissue Engineering, 2011, DOI: 10.5772/21634



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