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Related Concept Videos

Polymer Classification: Architecture01:14

Polymer Classification: Architecture

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Polymers are classified as linear or branched on the basis of their chain architecture. The polymer chains in linear polymers have a long chain-like structure with minimal to no branching at all. Even if a polymer features large substituent groups on the monomer, which appear as branches to the skeleton, it is not considered a branched polymer. A branched polymer contains secondary polymer chains that arise from the main polymer chain. The branching occurs when the polymer growth shifts from...
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Spindle assembly occurs through three, often coexisting, pathways – the centrosome-mediated pathway, the chromatin-mediated pathway, and the microtubule-mediated pathway – collectively contributing to form a robust spindle apparatus.
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Cytoskeletal filaments are polymeric forms of smaller protein subunits. However, individual cytoskeletal filaments may easily disassemble or associate with other similar filaments to form rigid structures. Microfilaments, made of actin monomers, rely on actin-binding proteins to form bundles and create networks of individual actin filaments. Microtubules rely on microtubule-associated proteins (MAPs) to form sturdy cylindrical structures. However, the proteins involved in forming complex...
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Self-Assembled Graphene-Based Architectures and Their Applications.

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Chemically modified graphenes (CMGs) self-assemble via noncovalent forces into advanced nanomaterials. These graphene-based materials offer unique properties for applications in electronics, energy, and catalysis.

Keywords:
catalysisenergy conversionenergy storagehybrid structuresoptoelectronicsself‐assembled graphene

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Area of Science:

  • Materials Science
  • Nanotechnology
  • Chemistry

Background:

  • Chemically modified graphenes (CMGs) possess unique planar structures and excellent properties.
  • CMGs are key building blocks for bottom-up nanotechnology.
  • Self-assembly of CMGs is a promising route to advanced graphene-based materials.

Purpose of the Study:

  • To summarize recent advances in the self-assembly of CMGs.
  • To elucidate the broad applications of self-assembled graphene-based materials.
  • To identify future opportunities and challenges in this field.

Main Methods:

  • Review of recent literature on CMG self-assembly.
  • Analysis of noncovalent forces driving self-assembly (hydrogen bonding, van der Waals, etc.).
  • Categorization of applications based on material properties.

Main Results:

  • CMGs self-assemble through various noncovalent interactions.
  • Self-assembly yields hierarchical nanostructures and macroscopic composites.
  • These materials exhibit unique structures and properties for diverse applications.

Conclusions:

  • Self-assembled CMGs are versatile for nanotechnology.
  • Applications span electronics, optoelectronics, catalysis, environment, and energy.
  • Further research is needed to address future opportunities and challenges.