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Phys Chem Chem Phys. 2016 Nov 16;18(45):30926-30930. doi: 10.1039/c6cp06150h.

Dipeptide concave nanospheres based on interfacially controlled self-assembly: from crescent to solid.

Physical chemistry chemical physics : PCCP

Juan Wang, Guizhi Shen, Kai Ma, Tifeng Jiao, Kai Liu, Xuehai Yan

Affiliations

  1. State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, P. R. China. [email protected].
  2. Hebei Key Laboratory of Applied Chemistry, School of Environmental and Yanshan University, Qinhuangdao 066004, P. R. China.
  3. State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, P. R. China. [email protected] and University of Chinese Academy of Sciences, Beijing 100049, P. R. China.
  4. State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, P. R. China. [email protected] and Center for Mesoscience, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, P. R. China.

PMID: 27722335 DOI: 10.1039/c6cp06150h

Abstract

Concave nanospheres based on the self-assembly of simple dipeptides not only provide alternatives for modeling the interactions between biomacromolecules, but also present a range of applications for purification and separation, and delivery of active species. The kinetic control of the peptide assembly provides a unique opportunity to build functional and dynamic nanomaterials, such as concave nanospheres. In this work, we report dipeptide-based concave nanospheres with structures from crescent-like to solid interior by interfacially controlled self-assembly in combination with covalent formation of building blocks, driven by synergistic thermodynamic and kinetic control. The thermodynamics of nucleation and assembly at the interfaces is governed by the gradual formation of bola-dipeptides (FF-GA

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