Biomimetic assembly of polypeptide-stabilized CaCO(3) nanoparticles

The Journal of Physical Chemistry. B
Zhongping ZhangShu-Hong Yu

Abstract

In this paper, we report a simple polypeptide-directed strategy for fabricating large spherical assembly of CaCO(3) nanoparticles. Stepwise growth and assembly of a large number of nanoparticles have been observed, from the formation of an amorphous liquidlike CaCO(3)-polypeptide precursor, to the crystallization and stabilization of polypeptide-capped nanoparticles, and eventually, the spherical assembly of nanoparticles. The "soft" poly(aspartate)-capping layer binding on a nanoparticle surface resulted in the unusual soft nature of nanoparticle assembly, providing a reservoir of primary nanoparticles with a moderate mobility, which is the basis of a new strategy for reconstructing nanoparticle assembly into complex nanoparticle architectures. Moreover, the findings of the secondary assembly of nanoparticle microspheres and the morphology transformation of nanoparticle assembly demonstrate a flexible and controllable pathway for manipulating the shapes and structures of nanoparticle assembly. In addition, the combination of the polypeptide with a double hydrophilic block copolymer (DHBC) allows it to possibly further control the shape and complexity of the nanoparticle assembly. A clear perspective is shown here that more com...Continue Reading

References

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Citations

Feb 11, 2014·Carbohydrate Polymers·Yinhui LiWei Li
Jul 15, 2015·ACS Applied Materials & Interfaces·Whirang ChoEric M Furst
May 12, 2016·ACS Applied Materials & Interfaces·Senem DonatanAndre Skirtach
Jul 14, 2012·Chemical Communications : Chem Comm·Gousia Begum, Rohit Kumar Rana
Feb 2, 2010·Langmuir : the ACS Journal of Surfaces and Colloids·Nikhil R JanaJackie Y Ying
Nov 14, 2008·Chemical Reviews·Fiona C Meldrum, Helmut Cölfen
Jul 17, 2009·Langmuir : the ACS Journal of Surfaces and Colloids·Yuan YaoDeyue Yan
Jun 6, 2009·The Journal of Physical Chemistry. B·Xiaoqiang WangJian R Lu
Oct 30, 2007·Langmuir : the ACS Journal of Surfaces and Colloids·Shu-Chen HuangYoshiki Chujo
Aug 28, 2010·Langmuir : the ACS Journal of Surfaces and Colloids·Sungjin Kim, Chan Beum Park
Dec 2, 2010·Langmuir : the ACS Journal of Surfaces and Colloids·Wenyong DongWei Li
Aug 23, 2006·Langmuir : the ACS Journal of Surfaces and Colloids·Kensuke NakaYoshiki Chujo

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