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Lee, Chang Young
Carbon Nanomaterials Lab
Research Interests
  • Carbon nanomaterials, gas sensors, neuroanalytical chemistry, biomimetic nanosystems

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Self-assembled amyloid fibrils with controllable conformational heterogeneity

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Title
Self-assembled amyloid fibrils with controllable conformational heterogeneity
Author
Lee, GyudoLee, WonseokLee, HyungbeenLee, Chang YoungEom, KilhoKwon, Taeyun
Keywords
GLOBULAR-PROTEINS; ORGANIC-SYNTHESIS; MICROWAVE; AGGREGATION; NANOFIBRILS; PRIONS; MEMORY
Issue Date
201511
Publisher
NATURE PUBLISHING GROUP
Citation
SCIENTIFIC REPORTS, v.5, no., pp.16220 -
Abstract
Amyloid fibrils are a hallmark of neurodegenerative diseases and exhibit a conformational diversity that governs their pathological functions. Despite recent findings concerning the pathological role of their conformational diversity, the way in which the heterogeneous conformations of amyloid fibrils can be formed has remained elusive. Here, we show that microwave-assisted chemistry affects the self-assembly process of amyloid fibril formation, which results in their conformational heterogeneity. In particular, microwave-assisted chemistry allows for delicate control of the thermodynamics of the self-assembly process, which enabled us to tune the molecular structure of β-lactoglobulin amyloid fibrils. The heterogeneous conformations of amyloid fibrils, which can be tuned with microwave-assisted chemistry, are attributed to the microwave-driven thermal energy affecting the electrostatic interaction during the self-assembly process. Our study demonstrates how microwave-assisted chemistry can be used to gain insight into the origin of conformational heterogeneity of amyloid fibrils as well as the design principles showing how the molecular structures of amyloid fibrils can be controlled
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DOI
http://dx.doi.org/10.1038/srep16220
ISSN
2045-2322
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ECHE_Journal Papers
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