Effects of chitosan on the alignment, morphology and shape of calcite crystals nucleating under Langmuir monolayers

Kyungil Kim*, Ahmet Uysal, Sumit Kewalramani, Benjamin Stripe, Pulak Dutta

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

The growth of calcium carbonate crystals under Langmuir monolayers was investigated in the presence of chitosan, a soluble derivative of chitin added to the subphase to better simulate the polyelectrolyte-containing in vivo environment. Chitosan causes distinct concentration-dependent changes in the orientation, shape and morphology of the calcite crystals nucleating under acid and sulfate monolayers. Our results suggest that polyelectrolytes may play essential roles in controlling the growth of biogenic calcite crystals.

Original languageEnglish (US)
Pages (from-to)130-134
Number of pages5
JournalCrystEngComm
Volume11
Issue number1
DOIs
StatePublished - Jan 1 2009

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

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