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    Article

    In situ fabrication of covalent organic frameworks on solid-phase microextraction probes coupled with electrospray ionization mass spectrometry for enrichment and determination of androgens in biosamples

    Solid-phase microextraction (SPME) coupled with electrospray ionization mass spectrometry (ESI-MS) was developed for rapid and sensitive determination of endogenous androgens. The SPME probe is coated with cov...

    Heming Li, Yuxin Tu, Wen **e, **nye Shi, Qiuting Zhang, Juan Lin in Microchimica Acta (2024)

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    Article

    Facile synthesis of hollow microtubular COF as enrichment probe for quantitative detection of ultratrace quinones in mice plasma with APGC-MS/MS

    A hollow microtubular covalent organic framework (denoted as TatDha-COF) was synthesized by solvothermal method for the enrichment and determination of quinones. The TatDha-COF showed large specific surface ar...

    Ran Wang, Wei Tong, Yi**g Wu, Zhuling Chen, Zian Lin, Zongwei Cai in Microchimica Acta (2023)

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    Ti4+-immobilized hierarchically porous zirconium-organic frameworks for highly efficient enrichment of phosphopeptides

    Ti4+-immobilized hierarchically porous zirconium-organic frameworks (denoted as THZr-MOFs) was prepared for phosphopeptide enrichment. The THZr-MOFs showed high specific surface area of 185.28 m2 g−1, wide pore-s...

    Yanting He, Qiong Zheng, Zian Lin in Microchimica Acta (2021)

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    Facile fabrication of magnetic covalent organic frameworks and their application in selective enrichment of polychlorinated naphthalenes from fine particulate matter

    Magnetic covalent organic frameworks (Fe3O4@TPPCl4) were synthesized via a one-pot process in which magnetic nanoparticles (Fe3O4@MNP) served as a magnetic core and 2,4,6-trihydroxy-1,3,5-benzenetricarbaldehyde (...

    Wen**g Guo, Wenli Wang, Yixin Yang, Shasha Zhang, Baichuan Yang in Microchimica Acta (2021)

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    Article

    High-throughput screening of bisphenols using magnetic covalent organic frameworks as a SELDI-TOF-MS probe

    Core-shell structured magnetic covalent organic framework (Fe3O4@COF) nanospheres were rapidly synthesized at room temperature using the monodisperse Fe3O4 nanoparticles (NPs) as magnetic core and benzene-1,3,5-t...

    Qianqian Sun, Chaohong Gao, Wende Ma, Yanting He, Jie Wu, Kailong Luo in Microchimica Acta (2020)

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    Polydopamine-mediated immobilization of phenylboronic acid on magnetic microspheres for selective enrichment of glycoproteins and glycopeptides

    In this work, we demonstrate for the first time, a method to synthesize phenylboronic acid-Fe3O4@polydopamine (Fe3O4@PDA-PBA) magnetic microspheres via the combination of mussel-inspired polydopamine coating and ...

    Jiangnan Zheng, Zian Lin, Lan Zhang, Huanghao Yang in Science China Chemistry (2015)