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Revolution of Nanotechnology Theory and Application
Dr. Ahmed Abdel-Fattah Plant Protection Department Pesticides Chemistry and Environmental Toxicology University of Alexandria Nov 30, 2015
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Topics Nanotechnology Terms and Definitions History of Nanotechnology
Research and Applications Nanotechnology Terms and Definitions History of Nanotechnology Research and Applications
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Nanotechnology Nano-Scale (Metrology)
Nano-Science (Studies & Theories) Nano-Technology (Applications) Molecular Nanotechnology (Chemistry) Molecular Nanobiotechnology (Chem & Bio)
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Definition “Nanotechnology is the understanding and control of matter at dimensions of roughly 1 to 100 nanometers, where unique phenomena enable novel applications.” “Nanotechnology is the understanding and control of matter at dimensions of roughly 1 to 100 nanometers, where unique phenomena enable novel applications.” “Encompassing nanoscale science, engineering and technology, nanotechnology involves imaging, measuring, modeling, and manipulating matter at this length scale.” “Encompassing nanoscale science, engineering and technology, nanotechnology involves imaging, measuring, modeling, and manipulating matter at this length scale.”
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Scientific Revolutions
Lamp and Television Transistor Integrate Circuit (IC) Microprocessors & Personal Computers
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The 5th Generation of Scientific Revolution
Nano-Technology
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Human Hair
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Topics Nanotechnology Terms and Definitions History of Nanotechnology
Research and Applications Nanotechnology Terms and Definitions History of Nanotechnology Research and Applications
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An early example of a manmade nanoprocess is stained glass
Brief History An early example of a manmade nanoprocess is stained glass
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One of America’s most notable physicists, 1965.
History, Continued Dr. Richard P. Feynman 1959 One of America’s most notable physicists, 1965.
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History, Continued Nobel Prize 1986 Gerd Binnig Heinrich Rohrer
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History, Continued Eric Drexler
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Dome over biosphere in Montreal
History, Continued Fullerenes Carbon 60 was named after Richard Buckminster Fuller, who went by the nickname “Bucky.” Dome over biosphere in Montreal A “Buckyball.”
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Is nanotechnology the gateway to the future for human beings on Earth?
Where does your imagination take you?
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Nanotechnology Offers
Lighter Stronger Faster Smaller More Durable Easier and Clean Technology
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Nano Materials Shapes Nano Rodes Nano Tubes Nano Composite
Nano Particles
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Types of Nano-Materails
Single Dimensional Nano-Materials Engineered Surfaces Bilateral Dimensional Nano-Materials Bio-Polymers & Nano wires Three Dimensional Nano-Materials Nanopartiles
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Topics Nanotechnology Terms and Definitions History of Nanotechnology
Research and Applications Nanotechnology Terms and Definitions History of Nanotechnology Research and Applications
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Nanotechnology Scope
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Assembling Nanomaterials Bottom up or top down
Use electricity (electrospray) (DNA)—self assembly/chemical synthesis
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Nanospider for electrospinning
SEM images of electrospun nanofibers ready to encapsulate bio-surfactants
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Silver Nanoparicles Biosynthesis and characterization of AgNPs
Fourier-transform infrared
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Selected Categories of Nanotechnology Applied to Food and Agriculture
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DNA Analogues and Nano-Technology
Self-Assembled Nano-Structures from Glycerol nucleic acid (GNA) a synthetic analog of DNA Bionano-Machines Programmed Molecule Molecular Motors
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Special Features of Nanoparticles A double-edged sword
Promise Pitfalls Increased surface area Increased reactivity? Increased bioavailability and targeted to certain tissues Increased toxicity? Lower doses effective Lower doses toxic? Penetration ability for remediation Impair subsurface ecosystems Skin, membrane penetration may speed onset of action Toxicity through nontraditional routes of administration?
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Nano-Technology between Scientific Fiction and Reality
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Nanotechnology is ubiquitous and pervasive
Nanotechnology is ubiquitous and pervasive. It is an emerging field in all areas of science, engineering and technology
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Welcome to NanoWorld! Thank You
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