Medical applications of Nanotech. in cancer therapy


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  • In order to understand the unusual world of nanotechnology, we need to get an idea of the units of measure involved. A centimeter is one-hundredth of a meter, a millimeter is one-thousandth of a meter, and a micrometer is one-millionth of a meter, but all of these are still huge compared to the nanoscale. A nanometer(nm) is one-billionth of a meter, smaller than the wavelength of visible light and a hundred-thousandth the width of a human hair [source: Berkeley Lab].
  • Because elements at the nanoscale behave differently than they do in their bulk form, there's a concern that some nanoparticles could be toxic. Some doctors worry that the nanoparticles are so small, that they could easily cross the blood-brain barrier, a membrane that protects the brain from harmful chemicals in the bloodstream. If we plan on using nanoparticles to coat everything from our clothing to our highways, we need to be sure that they won't poison us.
  • Medical applications of Nanotech. in cancer therapy

    1. 1. Nanotechnology<br />Medical applications of Nanotech. in cancer therapy<br />by:<br />Ahmed Kamal Abdel Aziz<br />
    2. 2. content<br />What Is Nanotechnology?<br />Nanotechnology and cancer.<br />Medical Application of Nanotechnology.<br />Video(Journey Into Nanotechnology, Molecular Imaging Therapy).<br />What does the future hide ?!<br />Sources<br />
    3. 3. What Is Nanotechnology?<br />By definition, nanotechnology is the science of MICRO-ENGINEERING. <br />MICROENGINEERING is the science of engineering that deals with particle manipulation if those particles are smaller than 100 nanometers.<br />
    4. 4. “Nano“<br />equals a BILLIONTHand therefore a nanometer is <br />ONE-BILLIONTHof a meter. <br />
    5. 5. Nanotechnology and cancer <br />Diagnosis<br />Therapy<br />Prevention<br />Metastasis<br />
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    9. 9. Killing of tumor cells<br />Nano-cells + AB that recognize tumor cells,<br />taken off by cancer cells,<br />Focusing IF light,<br /> killing tumor, leaving<br /> neighbor healthy cells intact.<br />
    10. 10. Targeted Drug Delivery<br />
    11. 11. The most immediate challenge in nanotechnology is that we need to learn more about materials and their properties at the nanoscale<br />
    12. 12. Who knows ?!<br />One day, we might find……<br />Target Locked!<br />
    13. 13. Why have a song stuck in your head when you can have 15,000? In this scanning-electron microscope image we see a nanobot finish installing a Nano-Pod directly onto a neuron.<br />
    14. 14. Your Immune System integrated with the new <br />Intel Itanium 8 wet-wired nanochips...<br />... bugs don't stand a chance!<br />
    15. 15. Make sure you read the instructions though - it might not go where'd you expect!<br />Your very own nano-engineered baby in a capsule. <br />
    16. 16. Thanks For Listening<br />
    17. 17. Sources<br />"Did you ever wonder about the invisible marvels of the nanoworld?" Berkeley Lab.<br />"Energy Producing Roads Made From Solar Cells and Glass May Be The Solution To Carbon Emissions and Climate Change."<br />"Nanotechnology." Encyclopædia Britannica. 2007. Encyclopædia Britannica Online. 11 Oct. 2007<br />"Nanotechnology: Past, Present and Future." Sage Crossroads video podcast. April 21, 2004.<br />"Nanowires form atomic switch." January 6, 2005.<br />"Nanowires within nanowires." November 8, 2002.<br />"Using Nanowires to Generate Electricity by Harvesting Energy from the Environment." September 28, 2007.<br />"What Are The Biologic Properties Of Silver Related To Wound Infection Control And Healing."<br />
    18. 18. Sources<br /><br />Chang, Kenneth. "Nanowires May Lead to Superfast Computer Chips." The New York Times. November 9, 2001.<br />Cortie, Michael B. "The Weird World of Nanoscale Gold." Gold Bulletin.Vol 37, 2004. <br />Cui, Yi. "Nanowires and Nanocrystals for Nanotechnology." Lecture at Stanford University. September 12, 2006.<br />Freitas, Jr., Robert A. "Nanotechnology, nanomedicine and nanosurgery." International Journal of Surgery. 2005.<br />Gelblum, Amit. "Self-Assembling Nanowires." The Future of Things. September 26, 2007.<br />Goldstein, Alan H. "Everything you always wanted to know about nanotechnology." October 20, 2005.<br />Kurzweil, Ray. "The Drexler-Smalley Debate on Molecular Assembly." December 1, 2003.<br />Stormer, Horst. "Small Wonders - The World of Nanoscience." Lecture. November 14, 2006.<br />Thomas, Jim, et al. "Nanotechnology." The Ecologist. May, 2003. <br />