4.7 Article

Cryogenic electron tomography reveals the template effect of chitosan in biomimetic silicification

Journal

CHEMICAL COMMUNICATIONS
Volume 46, Issue 10, Pages 1703-1705

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/b922670b

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Funding

  1. National Natural Science Foundation of China (NSFC) [20525414, 20974024]
  2. Chinese Ministry of Science Technology [2009CB930000]
  3. China Scholarship

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Chitosan (CS) can mediate the formation of spherical, tabulate, and unique starfruit-like silica in the presence of phosphate ions (Pi). CryoTEM and cryoET were used to examine the CS aggregates in the hydrated state. 3D starfruit-like CS/Pi aggregates were reconstructed, which unambiguously confirmed the templating effect of CS/Pi in biomimetic silicification.

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