Introduction to Nanotechnology
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Questions and Answers

What do nanoparticles refer to in the context of nanotechnology?

  • Particles that are larger than bacteria and viruses
  • Particles that are 1 to 100 nanometers in size (correct)
  • Particles that are smaller than atoms and molecules
  • Particles that can be seen using light microscopes

    • Which instrument is required to see nanoparticles due to their size?

  • Light microscopes
  • Magnifying glasses
  • Telescopes
  • Electron microscopes and atomic force microscopes (correct)

    • What rules at the nanoscale, leading to differing properties of materials?

  • Biotoxicity
  • Fluorescence
  • Quantum effects (correct)
  • Chemical reactivity

    • How do the properties of nanoparticles differ from the usual?

    <p>Fluorescence and chemical reactivity differ</p> Signup and view all the answers

    What is the size range of nanoparticles according to the text?

    <p>1 to 100 nanometers</p> Signup and view all the answers

    What is the science of nanoparticles referred to as?

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

    What are exosomes?

    <p>Nanovesicles secreted by vessels primarily for transport</p> Signup and view all the answers

    What is one application of nanosensors?

    <p>Detecting the presence of pathogens in food</p> Signup and view all the answers

    What are carbon nanotubes?

    <p>Allotropes of carbon with unusual properties</p> Signup and view all the answers

    What is a potential application of bionanocomposites?

    <p>Production of biodegradable plastics</p> Signup and view all the answers

    What can magnetic nanoparticles be manipulated using?

    <p>Magnetic fields</p> Signup and view all the answers

    In what fields can nanoparticles be used?

    <p>Medicine, energy, environment, agriculture, food security, and communication</p> Signup and view all the answers

    What is the unique property that makes nanoparticles good catalysts?

    <p>Increased surface area for reactions</p> Signup and view all the answers

    What do nanocapsules store?

    <p>Biological or synthetic molecules</p> Signup and view all the answers

    What is a potential application of carbon nanotubes?

    <p>Development of supercapacitors</p> Signup and view all the answers

    What allows Fe3O4 or ferric magnetic nanoparticles to bind with other molecules?

    <p>Increased surface area per mass</p> Signup and view all the answers

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