Growth and time dependent alignment of KCl crystals in Hemoglobin LB monolayer

Mrityunjoy Mahato, Prabir Pal, Bidisha Tah, Tapanendu Kamilya, G. B. Talapatra

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Nature and organism often use the biomineralization technique to build up various highly regular structures such as bone, teeth, kidney stone etc., and recently this becomes the strategy to design and synthesis of novel biocomposite materials. We report here the controlled crystallization of KCl in Langmuir and Langmuir Blodgett (LB) monolayer of Hemoglobin (Hb) at ambient condition. The nucleation and growth of KCl crystals in Hb monolayer has temporal and KCl concentration dependency. The growth of KCl crystals in LB film of Hb has distinct behavior in the alignment of crystals from linear to fractal like structures depending on growth time. The crystallographic identity of the biomineralized KCl crystal is confirmed from HR-TEM, XRD, and from powder diffraction simulation. Our results substantiated that the template of Langmuir monolayer of proteins plays a crucial role in biomineralization as well as in designing and synthesizing of novel biocomposite materials.

Original languageEnglish
Pages (from-to)665-672
Number of pages8
JournalMaterials Chemistry and Physics
Volume137
Issue number2
DOIs
StatePublished - 14 Dec 2012
Externally publishedYes

Keywords

  • Biomaterials
  • Crystal growth
  • Electron microscopy
  • Interfaces
  • Monolayers

ASJC Scopus subject areas

  • Materials Science (all)
  • Condensed Matter Physics

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