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    Home > Lin Zian's team at Fuzhou University has made new progress in the synthesis of spherical covalent organic framework materials at room temperature

    Lin Zian's team at Fuzhou University has made new progress in the synthesis of spherical covalent organic framework materials at room temperature

    • Last Update: 2019-11-20
    • Source: Internet
    • Author: User
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    Recently, the research group of Lin Zian, School of chemistry, Fuzhou University, has made new progress in the synthesis of spherical covalent organic framework materials at room temperature Relevant research results were published in J am Chem SOC (DOI: 10.1021 / JACS 9b09189) under the title of "size controlled synthesis of uniform spherical covalent organic frameworks at room temperature for high efficiency and selective enrichment of hydrobic peptides" Covalent organic frameworks (COFS) are a kind of crystalline organic porous polymers The main feature of covalent organic frameworks is that there are well distributed pore structures with specific size These pores give covalent organic frameworks some unique properties, which make them have important applications in gas storage and separation, catalysis and photoelectric materials However, the synthesis of COFS with uniform spherical structure at room temperature is facing great challenges Recently, Lin Zian's research group reported a simple and controllable synthesis method at room temperature to prepare a series of uniform spherical COFS from nanometer to micron scale The spherical COFS with different sizes prepared by our research group show super high specific surface area, good crystallinity and chemical / thermal stability The formation mechanism and influencing factors of spherical COFS were studied by means of various microscopes and spectroscopic techniques Based on the advantages of the spherical COFS, such as ultra-high specific surface area, hydrophobicity and regular mesoporous channels, it can be used as a limited adsorption material for the efficient and highly selective enrichment of hydrophobic peptides, and the size exclusion of proteins and other macromolecules The spherical COFS were successfully applied to the specific capture of ultra trace C-peptide in human serum and urine samples This work not only provided a new idea for the controllable synthesis of spherical COFS at room temperature, but also further expanded the application of COFS in the field of biochemical analysis Researcher Lin Zian and Professor Zhang Lan are the co authors of the paper, and doctoral student Ma Wende is the first author Dr Zheng Qiong, he Yanting, Li Guorong, Guo Wenjing, etc participated in the work Ma Wende is a 2017 level doctoral student with the tutor of Professor Zhang Lan He entered the research group of Lin Zian researcher in October 2017 and completed the work under his independent guidance In addition, the research was supported by the National Natural Science Foundation of China (21974021, 21675025).
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