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Related Concept Videos

Subviral Agents01:29

Subviral Agents

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Subviral agents are infectious entities that resemble viruses but lack one or more viral components, such as a capsid or essential replication machinery. These agents include viroids, prions, and satellites, each possessing distinct structural and functional characteristics that influence their mode of infection and replication.Viroids are the simplest subviral agents, consisting of circular, single-stranded RNA molecules without a protein coat. They exclusively infect plants, relying entirely...
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The Antiviral System of Bacteria and Archaea: CRISPR01:23

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CRISPR stands for Clustered Regularly Interspaced Short Palindromic Repeats is a adaptive immune system found in bacteria and archaea that protects against viral infections. This system enables prokaryotic cells to identify, remember, and neutralize foreign genetic elements, primarily bacteriophages, by storing fragments of the invader’s DNA as a genetic memory.The CRISPR immune response begins during an initial infection. Cas (CRISPR-associated) proteins play a central role in this...
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Photon Management through Virus-Programmed Supramolecular Arrays.

Frank A Veliz1, Yingfang Ma2, Sudheer K Molugu3,4

  • 1Department of Biomedical Engineering, Case Western Reserve University, 10900 Euclid Ave., Cleveland, OH, 44106, USA.

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|July 11, 2020
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Summary
This summary is machine-generated.

Researchers developed bio-inspired nanomanufacturing techniques using plant viruses to create advanced antireflection coatings. These virus-programmed materials enhance photon capture efficiency for applications in LED lighting and photovoltaics.

Keywords:
LbL assemblymultilayered arraysphoton managementself-assemblyvirus-based nanoparticles

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Area of Science:

  • Materials Science
  • Nanotechnology
  • Biomaterials Engineering

Background:

  • Photon extraction and capture efficiency depend on material composition, nanoscale molecular structure, and multi-scale organization.
  • Nanostructured materials enhance energy efficiency, but traditional top-down manufacturing has limitations in achieving small dimensions.
  • Biological self-assembly, like virus arrays in host cells, offers inspiration for novel nanomanufacturing approaches.

Purpose of the Study:

  • To explore bottom-up nanomanufacturing strategies for photon management materials.
  • To investigate virus-programmed nanostructured arrays for advanced material design.
  • To develop broadband, low-angular dependent antireflection coatings using bio-inspired methods.

Main Methods:

  • Utilized plant virus nanoparticles in conjunction with charged polymers (dendrimers).
  • Employed a bottom-up self-assembly approach for nanostructure fabrication.
  • Characterized the optical properties of the resulting mesoscale layered materials through measurement and theoretical modeling.

Main Results:

  • Successfully prepared a family of broadband, low-angular dependent antireflection mesoscale layered materials.
  • Demonstrated significant antireflectance and phototrapping properties of the virus-programmed assemblies.
  • Validated the effectiveness of the bio-inspired nanomanufacturing approach.

Conclusions:

  • Virus-programmed nanostructures offer a novel bioengineering principle for nanomanufacturing coatings and films.
  • This approach overcomes limitations of traditional top-down manufacturing for photon management applications.
  • Potential applications include enhanced performance in LED lighting and photovoltaic devices.