New insights into the spatial confinement mechanism of nucleation of biogenic aragonite crystals from bivalve nacre,CrystEngComm

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New insights into the spatial confinement mechanism of nucleation of biogenic aragonite crystals from bivalve nacre
CrystEngComm ( IF 2.6 ) Pub Date : 2020-09-16 , DOI: 10.1039/d0ce00867b
Xin Feng _{1,

2,

3,

4,

5} , Gangsheng Zhang _{1,

2,

3,

4,

5}

Affiliation

The work presented here investigates the nucleation sites and corresponding controlling mechanisms of biogenic aragonite crystals from bivalve nacre. We find that they always nucleate on the margin of the underlying tablets, which are spatially confined. To explain the reason, we proposed several new possible factors leading to nucleation on the margin of the underlying tablets: the strain, crystallinity, hydrophobicity of the ILM substrate and the Ehrlich–Schwoebel (ES) barrier. These findings advance our current knowledge of nacre biomineralization and may help to design novel biogenic composite materials.

中文翻译：

双壳珍珠质生物文石晶体成核的空间限制机制的新见解

本文介绍的工作研究了双壳珍珠质生物文石晶体的成核位点和相应的控制机制。我们发现，它们总是在底层药片的边缘成核，而这些药片在空间上受到限制。为了解释原因，我们提出了一些导致潜在片剂边缘成核的新可能因素：ILM底物的应变，结晶度，疏水性和Ehrlich-Schwoebel（ES）屏障。这些发现促进了我们目前对珍珠质生物矿化的了解，并可能有助于设计新颖的生物成因复合材料。

更新日期：2020-10-19

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