University of Illinois Urbana-Champaign

Nuclear magnetic resonance studies of complex materials systems: from amplification to anisotropy

Vartanian, Ariane M

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VARTANIAN-DISSERTATION-2016.pdf

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https://hdl.handle.net/2142/90927

Description

Title
Nuclear magnetic resonance studies of complex materials systems: from amplification to anisotropy
Author(s)
Vartanian, Ariane M
Issue Date
2016-04-21
Director of Research (if dissertation) or Advisor (if thesis)
  • Murphy, Catherine J.
  • Zimmerman, Steven C.
  • Braun, Paul V.
Doctoral Committee Chair(s)
  • Murphy, Catherine J.
  • Zimmerman, Steven C.
Committee Member(s)
Chen, Qian
Department of Study
Chemistry
Discipline
Chemistry
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Date of Ingest
2016-07-07T21:17:44Z
Keyword(s)
  • Nuclear magnetic resonance (NMR) spectroscopy
  • nuclear magnetic resonance spectroscopy
  • anisotropic particles
  • chemical amplification
Abstract
This dissertation explores complex materials systems, with a special focus on developing nuclear resonance spectroscopy (NMR) techniques to decipher chemical environments at the molecular level. Chapter 1 describes the design and synthesis of a two-state materials system based on an autocatalytic, positive feedback loop that amplifies a rare input into a massive output. Chapters 2 - 4 probe nanoparticle systems with shape or functional anisotropy. Chapter 2 details new approaches to add functionality to shape-anisotropic particles. Chapter 3 establishes NMR spectroscopy as a powerful tool for interpreting the ligand shell morphology, spatial arrangement, dynamics, and distinct chemical environments that are trademarks of shape- and functionally-anisotropic particles. Chapter 4 exploits the heterogeneous reactivity of shape-anisotropic particles to fabricate sophisticated, supramolecular building blocks that can form dynamic assemblies controlled by their association constants. Chapter 5 builds on the robust NMR techniques in the preceding chapters to analyze complex nano-bio interactions that are otherwise difficult to probe.
Graduation Semester
2016-05
Type of Resource
text
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http://hdl.handle.net/2142/90927
Copyright and License Information
Copyright 2016 Ariane Vartanian

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