Nanoparticle Properties in Biological Systems
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Questions and Answers

What is the effect of high aspect ratio of nanoplates in biological systems?

  • Decrease cellular uptake and interactions with biological molecules
  • Unknown effect on cellular uptake and interactions with biological molecules
  • Increase cellular uptake and interactions with biological molecules (correct)
  • No effect on cellular uptake and interactions with biological molecules

What is the main purpose of X-ray diffraction (XRD) technique?

  • To analyze the elemental composition of nanoparticles
  • To study the biological interactions of nanoparticles
  • To determine the size of nanoparticles
  • To provide information about the crystalline structure and phase of nanoparticles (correct)

What can be estimated using Bragg and Scherrer equations?

  • The biodistribution of nanoparticles
  • The lattice parameters of nanoparticles
  • The elemental composition of nanoparticles
  • The average crystallite size of nanoparticles (correct)

What happens when X-rays interact with the periodic arrangement of atoms in a crystalline material?

<p>They undergo both constructive and destructive interference (B)</p> Signup and view all the answers

What is the main purpose of Energy-Dispersive X-ray Spectroscopy (EDS) technique?

<p>To provide information about the elemental composition of nanoparticles (D)</p> Signup and view all the answers

What is the characteristic of the diffraction peaks in the XRD pattern?

<p>They are characteristic of the crystal structure and the atomic arrangement within the nanoparticles (B)</p> Signup and view all the answers

What is the importance of understanding the structure-property relationships of nanoparticles?

<p>It is crucial for understanding the structure-property relationships of nanoparticles and their potential applications (B)</p> Signup and view all the answers

What can be identified by analyzing the XRD pattern?

<p>The crystalline phases present (B)</p> Signup and view all the answers

What happens when X-rays interact with nanoparticles?

<p>They undergo constructive and destructive interference, resulting in a diffraction pattern (C)</p> Signup and view all the answers

What is the analytical technique that provides information about the elemental composition of nanoparticles?

<p>Energy-Dispersive X-ray Spectroscopy (EDS) (B)</p> Signup and view all the answers

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