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Nanotechnology in Medicine
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Nanotechnology in Medicine

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Questions and Answers

What type of nanoparticles are used in the production of nanofluids for improving impact resistance?

  • Fe Oxide or Co-Fe Oxide
  • Si or TiO2 (correct)
  • Carbon Nanotubes (CNTs)
  • Iron nanoparticles (correct)
  • What is the primary application of TiO2 nanocrystals/films?

  • Transparent Conducive Coating
  • Propellants
  • Photocatalysis (correct)
  • Magnetic Recording Tapes
  • What is the application of Indium Tin Oxide (ITO) in Transparent Conducive Coating?

  • CRTs
  • Photographic films
  • Touch screens
  • All of the above (correct)
  • What is the percentage of atomized Al powder in the propellant used in the solid rocket boosters of the Space Shuttle?

    <p>16%</p> Signup and view all the answers

    What is the application of Fe Oxide or Co-Fe Oxide nanoparticles?

    <p>Magnetic Recording Tapes</p> Signup and view all the answers

    What type of nanoparticles are used in Shear Thickening Fluid?

    <p>SiO2</p> Signup and view all the answers

    What is the application of Iron nanoparticles?

    <p>Magnetorheological Fluid</p> Signup and view all the answers

    What type of nanoparticles are used in Carbon Nanotubes (CNTs)?

    <p>Carbon</p> Signup and view all the answers

    What is a potential application of nanotechnology in medicine?

    <p>Early diagnosis and targeted drug delivery for cancer</p> Signup and view all the answers

    What is a unique property of nanocrystals that makes them effective agents for selective targeting and destruction of cancer cells?

    <p>Their magnetic properties</p> Signup and view all the answers

    What is a potential application of nanotechnology in gene therapy?

    <p>No specific application mentioned in the content</p> Signup and view all the answers

    What is an environmental application of nanotechnology?

    <p>No specific application mentioned in the content</p> Signup and view all the answers

    What is a potential application of nanotechnology in agriculture?

    <p>No specific application mentioned in the content</p> Signup and view all the answers

    What is a diagnostic application of nanotechnology in medicine?

    <p>Nanoplex biomarker detection</p> Signup and view all the answers

    What is a benefit of using nanoscale TiO2 and ZnO particles in sunscreens?

    <p>They provide broad-spectrum UV protection</p> Signup and view all the answers

    What is a potential application of nanotechnology in defense and security?

    <p>Improved body armor</p> Signup and view all the answers

    What is a unique property of nanocrystals that allows for surface functionalization?

    <p>Their small particle size</p> Signup and view all the answers

    What is a potential application of nanotechnology in medicine, involving nanorobots?

    <p>Performing treatment on a cellular level</p> Signup and view all the answers

    What is the primary role of the Atomic Force Microscope (AFM)?

    <p>Measuring properties such as magnetism, height, and friction</p> Signup and view all the answers

    Which approach to nanotechnology involves breaking down bulk materials into smaller particles?

    <p>Top-down approach</p> Signup and view all the answers

    What is the main application of nano-robotics in medical fields?

    <p>Medical robotics</p> Signup and view all the answers

    What is the term coined by Professor Norio Taniguchi?

    <p>Nanotechnology</p> Signup and view all the answers

    What is the resolution of the Scanning Tunnelling Microscope (STM)?

    <p>0.01 nm (10 pm)</p> Signup and view all the answers

    What is one of the applications of nanotechnology in agriculture?

    <p>Food industry</p> Signup and view all the answers

    What is the year the Atomic Force Microscope (AFM) was first used experimentally?

    <p>1986</p> Signup and view all the answers

    What is one of the applications of nanotechnology in medicine?

    <p>Gene therapy</p> Signup and view all the answers

    What is the approach to nanotechnology that involves building up nanoparticles an atom/molecule at a time?

    <p>Bottom-up approach</p> Signup and view all the answers

    What is the year the Scanning Tunnelling Microscope (STM) was developed?

    <p>1981</p> Signup and view all the answers

    Study Notes

    Nanotechnology Applications

    • Potential applications include early diagnosis and targeted drug delivery for cancer, biomedical instrumentation, surgery, pharmacokinetics, monitoring of diabetes, and healthcare.
    • Future medical nanotechnology is expected to employ nanorobots injected into the patient to perform treatment on a cellular level.

    Nanomaterials in Medicine & Pharmaceuticals

    • Nanoparticles can be effective agents for selective targeting and destruction of cancer cells due to their small particle size, surface functionalization, and unique properties (magnetic, optical).

    Drug Delivery and Disease Treatment

    • Nanotechnology has the potential to revolutionize cancer treatment.

    Imaging and Diagnostics

    • Nanoplex Biomarker Detection uses silica-coated Surface Enhanced Raman Scattering (SERS) – active metal nanoparticles to allow robust, ultrasensitive, highly-multiplexed biomarker quantitation in any biological matrix, including blood.

    Environmental and Energy Applications

    • Environmental applications of nanotechnology are being explored.

    Nanotechnology in Agriculture

    • Nanotechnology is being researched for its potential applications in agriculture.

    Nanotechnology in the Food Industry

    • Nanotechnology is being researched for its potential applications in the food industry.

    Nanotechnology in Textiles

    • Nanotechnology is being researched for its potential applications in textiles.

    Nanotechnology in Sports

    • Nanotechnology is being researched for its potential applications in sports.

    Nanotechnology in Cosmetics

    • Nanoscale TiO2 and ZnO particles provide broad-spectrum UV protection in a transparent formulation for sunscreens.

    Nanotechnology in Defense & Security

    • Improved body armor is a major focus for military nanotechnology research.

    Atomic Force Microscope (AFM)

    • A type of scanning probe microscope invented in 1982, used for imaging surfaces at the atomic level, and can measure properties such as magnetism, height, and friction.

    Scanning Tunnelling Microscope (STM)

    • A type of microscope used for imaging surfaces at the atomic level, developed in 1981, and can distinguish features smaller than 0.1nm with a 0.01 nm (10 pm) depth resolution.

    Two Approaches to Nanotechnology

      1. Top-down Approach: Breaking down bulk materials into smaller particles.
      1. Bottom-up Approach: Building up nanoparticles one atom/molecule at a time.

    Applications of Nanotechnology

    • Everyday Life
    • Medical Robotics
    • Medicine and Pharmaceuticals
    • Gene Therapy
    • Energy Applications
    • Agriculture
    • Food Industry
    • Textiles
    • Sports
    • Cosmetics
    • Defense and Security

    Applications to Everyday Life

    • Nanotechnology has various applications in everyday life, including medical robotics, medicine, and pharmaceuticals.

    Applications to Various Fields

    • Nanotechnology has applications in medicine, gene therapy, energy, agriculture, food industry, textiles, sports, cosmetics, and defense and security.

    Nanotechnology in Medical Robotics

    • Nano-robotics has many applications in medical fields, including the use of Si or TiO2 nanoparticles embedded in an epoxy matrix, SiO2 nanoparticles in a liquid polymer, and iron nanoparticles in inert oil.

    Other Applications

    • Carbon Nanotubes (CNTs) have various applications, including photocatalysis and propellants.
    • Photocatalytic reactions can purify water, air, surfaces, and fabrics using TiO2 nanocrystals/films.
    • Nanoscale Al powder has higher burn rates in propellants, and Indium Tin Oxide (ITO) is used in transparent conducive coatings in CRTs, photographic films, and touch screens.

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