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Issue 39, 2017
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Exploring the effects and mechanisms of carbon nanomaterial diversity on the morphology of lysozyme crystals

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Abstract

Carbon nanomaterials (CNMs) provide various surface charges, structural characteristics and energy features for nano-engineering applications, but the effects of CNMs on crystallization have remained unclear. In this study, we used non-functionalized multi-walled carbon nanotubes (MWCNT), graphene, perylene and corannulene to induce lysozyme heterogeneous nucleation and investigate the potential mechanisms. We found that adding three-dimensional (3D) CNMs, corannulene and MWCNT increased the {001} face growth and led to more pronounced X-ray diffraction peaks. The two-dimensional (2D) CNMs graphene and perylene decreased both {110} and {001} face growth and led to lower X-ray diffraction peaks. According to two-dimensional nucleation models, the potential mechanisms of crystallization with CNM addition were detected. The result showed that adding CNMs altered the XY : WZ ratio of bonding energies, which could be a potential mechanism for changing the morphological structure of lysozyme crystals. In general, a shift in the final size distribution and morphology was observed, and more pronounced X-ray diffraction peaks were achieved in lysozyme crystals with the addition of 3D CNMs.

Graphical abstract: Exploring the effects and mechanisms of carbon nanomaterial diversity on the morphology of lysozyme crystals

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Publication details

The article was received on 03 Jul 2017, accepted on 04 Sep 2017 and first published on 22 Sep 2017


Article type: Paper
DOI: 10.1039/C7CE01226H
CrystEngComm, 2017,19, 5873-5881

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    Exploring the effects and mechanisms of carbon nanomaterial diversity on the morphology of lysozyme crystals

    X. Li, H. Wang, X. Kuang, J. Ma and X. Feng, CrystEngComm, 2017, 19, 5873
    DOI: 10.1039/C7CE01226H

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