Self-assemble ZnMn2O4 hierarchical hollow microspheres into self-supporting architecture for enhanced biosensing performance

We demonstrate a facile and scalable approach to fabricate and self-assemble the hierarchical hollow microspheres into self-supporting architecture by naturally grown branches. The supporting branches can afford integrated transport channels and significantly improve the kinetic performance and mech...

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Bibliographic Details
Published in:Biosensors & bioelectronics 2014-11, Vol.61, p.443-447
Main Authors: Zhao, Minggang, Cai, Bin, Ma, Ye, Cai, Hi, Huang, Jingyun, Pan, Xinhua, He, Haiping, Ye, Zhizhen
Format: Article
Language:English
Subjects:
Architecture
Architecture (computers)
Assembly
Biological and medical sciences
Biosensing Techniques - instrumentation
Biosensor
Biosensors
Biotechnology
Channels
Electrochemical Techniques - instrumentation
Electrodes
Fundamental and applied biological sciences. Psychology
Hierarchical structure
Hollow
Manganese Compounds - chemistry
Methods. Procedures. Technologies
Microspheres
Oxides - chemistry
Performance enhancement
Porosity
Self-assemble
Self-supporting
Various methods and equipments
Zinc - chemistry
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Summary:We demonstrate a facile and scalable approach to fabricate and self-assemble the hierarchical hollow microspheres into self-supporting architecture by naturally grown branches. The supporting branches can afford integrated transport channels and significantly improve the kinetic performance and mechanical stability. Meanwhile, the supported hierarchical microspheres acting as functional cell can provide high active sites, multiple response and suitable environment for immobilizing biomolecules. Different enzymes are immobilized for biosensors. The experiments demonstrate that the effective assembly of hierarchical microspheres into large size ordered architecture by self-supporting branches can significantly enhance the biosensing performance. •The hierarchical hollow microspheres are assembled to self-supporting architecture.•The branches can afford transport channels and improve the kinetic performance.•The hierarchical microspheres act as functional cell for immobilizing biomolecule.•Assembling microspheres to ordered architecture enhances the biosensing performance.•This architecture can be used for fabricating high performance biosensors.
ISSN:0956-5663
1873-4235
DOI:10.1016/j.bios.2014.05.051