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20 Result(s)

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  1. No Access

    Article

    Electrochemical activation of oxygen vacancy-rich TiO2@MXene as high-performance electrochemical sensing platform for detecting imidacloprid in fruits and vegetables

    Heterostructured TiO2@MXene rich in oxygen vacancies defects (VO-TiO2@MXene) has been developed to construct an electrochemical sensing platform for imidacloprid (IMI) determination. For the material design, TiO2

    **g Yang, Changxi Deng, Wei Zhong, Guanwei Peng, ** Zou, Yan Lu… in Microchimica Acta (2023)

  2. No Access

    Article

    Photoelectrochemical immunosensor for HER2 detection based on BiVO4-Bi2S3 heterojunction as photoactive material and CdS as signal probe

    A sandwiched photoelectrochemical (PEC) sensor was developed for sensitive detection of human epidermal growth factor receptor 2 (HER2) based on BiVO4-Bi2S3 heterojunction as the photoelectric material accompani...

    Qin Zeng, Sui** Wang, Yong Qian, Minghui Yang, Limin Lu in Microchimica Acta (2023)

  3. No Access

    Article

    Enzyme-free nucleic acid dual-amplification strategy combined with mimic enzyme catalytic precipitation reaction for the photoelectrochemical detection of microRNA-21

    A novel photoelectrochemical (PEC) biosensor based on an enzyme-free nucleic acid dual-amplification strategy combined with a mimic enzyme to catalyze the deposition of a quencher is reported for the ultrasens...

    Yan Zhao, **aomeng Li, Mei-Hao **ang, Feng Gao, Fengli Qu, Mingfang Li… in Microchimica Acta (2022)

  4. No Access

    Article

    Amplified electrochemical determination of niclosamide in food based on carbon nanohorn@MWCNT composite

    In this work, carbon nanohorn (CNH)–decorated multi-walled carbon nanotube (MWCNT) (CNH@MWCNT) composite was prepared and used to modify glass carbon electrode (GCE) as sensitive electrochemical sensor for nic...

    Min Shi, Shuya Xue, **gkun Xu, Shuxian Chen… in Analytical and Bioanalytical Chemistry (2022)

  5. No Access

    Article

    2D leaf-like ZIF-L decorated with multi-walled carbon nanotubes as electrochemical sensing platform for sensitively detecting thiabendazole pesticide residues in fruit samples

    Excessive use of pesticides in modern agriculture results in large amounts of pesticide residues in agricultural production, greatly threatening human health. Herein, novel two-dimensional leaf-like zeolitic i...

    Feng Gao, Zhihong Yan, Ying Cai, **g Yang… in Analytical and Bioanalytical Chemistry (2021)

  6. No Access

    Article

    MXene/carbon nanohorns decorated with conductive molecularly imprinted poly(hydroxymethyl-3,4-ethylenedioxythiophene) for voltammetric detection of adrenaline

    A novel molecularly imprinted sensor was developed for the voltammetric determination of adrenaline (AD). MXene/carbon nanohorn (MXene/CNH) composite with good electric conductivity and enormous accessible act...

    Shuxian Chen, Min Shi, **g Yang, Yongfang Yu, Quan Xu, **gkun Xu… in Microchimica Acta (2021)

  7. No Access

    Article

    Sensitive electrochemical platform for trace determination of Pb2+ based on multilayer Bi-MOFs/reduced graphene oxide films modified electrode

    A multilayer Bi-BTC/reduced graphene oxide (Bi-BTC/rGO) (BTC, 1,3,5-benzenetricarboxylic acid) film electrode was adopted to construct a highly sensitive Pb2+ electrochemical sensor. The multilayer Bi-BTC/rGO fil...

    ** Zou, Wei Zhong, Feng Gao, **aolong Tu, Shangxing Chen, **gen Huang… in Microchimica Acta (2020)

  8. No Access

    Article

    Facile synthesis of fluorine-doped graphene aerogel with rich semi-ionic C–F bonds for high-performance supercapacitor application

    A three-dimensional (3D) fluorine-doped graphene aerogel (FGA) with rich semi-ionic C–F bonds was synthesized via a facile hydrothermal method and applied as the electrode material in supercapacitor. A porous ...

    Tianxiang **, Jianfa Chen, Chunyan Wang, Yong Qian… in Journal of Materials Science (2020)

  9. No Access

    Article

    Self-powered cathodic photoelectrochemical aptasensor based on in situ–synthesized CuO-Cu2O nanowire array for detecting prostate-specific antigen

    A facile and sensitive self-powered cathodic photoelectrochemical (PEC) aptasensor is reported for the detection of prostate-specific antigen (PSA) based on CuO-Cu2O nanowire array grown on Cu mesh (CuO-Cu2O NWA/...

    **aomeng Li, Weisu Kong, **a Qin, Fengli Qu, Limin Lu in Microchimica Acta (2020)

  10. No Access

    Article

    Self-template synthesis of flower-like hierarchical graphene/copper oxide@copper(II) metal-organic framework composite for the voltammetric determination of caffeic acid

    Flower-like graphene/CuO@Cu-BTC (GR/CuO@Cu-BTC) composite was employed as electrode material for the voltammetric determination of caffeic acid (CA) in the wine. The composite material was prepared via the sel...

    **aolong Tu, Yu **e, Feng Gao, Xue Ma, **nchen Lin, **gen Huang… in Microchimica Acta (2020)

  11. No Access

    Article

    A photoelectrochemical aptasensor based on p-n heterojunction CdS-Cu2O nanorod arrays with enhanced photocurrent for the detection of prostate-specific antigen

    A sensitive photoelectrochemical (PEC) aptasensor was constructed for prostate-specific antigen (PSA) detection using an enhanced photocurrent response strategy. The p-n heterostructure CdS-Cu2O nanorod arrays we...

    Weisu Kong, Fengli Qu, Limin Lu in Analytical and Bioanalytical Chemistry (2020)

  12. No Access

    Article

    Embedding carbon dots and gold nanoclusters in metal-organic frameworks for ratiometric fluorescence detection of Cu2+

    Herein, a dual-emission metal-organic framework based ratiometric fluorescence nanoprobe was reported for detecting copper(II) ions. In particular, carbon dots (CDs) and gold nanoclusters (AuNCs) were embedded...

    Qingqing Tan, Ruirui Zhang, Guoyan Zhang… in Analytical and Bioanalytical Chemistry (2020)

  13. No Access

    Article

    A poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate)-based electrochemical sensor for tert.-butylhydroquinone

    Poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) is a readily available copolymer that comes as an aqueous dispersion with good processability. A flexible voltammetric sensor for the widely ...

    Qingyun Tian, **gkun Xu, Quan Xu, Xuemin Duan, Fengxing Jiang… in Microchimica Acta (2019)

  14. No Access

    Article

    A CuO-CeO2 composite prepared by calcination of a bimetallic metal-organic framework for use in an enzyme-free electrochemical inhibition assay for malathion

    An enzyme-free electrochemical method is described for the determination of trace levels of malathion. It is based on a nanostructured copper-cerium oxide (CuO-CeO2) composite prepared by calcination of a Cu(II)/...

    Yu **e, **aolong Tu, Xue Ma, Qingwen Fang, Guangbin Liu, Runying Dai… in Microchimica Acta (2019)

  15. No Access

    Article

    Sensitive determination of nitrite by using an electrode modified with hierarchical three-dimensional tungsten disulfide and reduced graphene oxide aerogel

    Nanosheets of tungsten disulfide (WS2) were used to improve the physicochemical properties of reduced graphene oxide aerogel (rGA). The nanosheets were directly integrated into 3D hybrid architecture of rGA by a ...

    Xue Ma, Feng Gao, Guangbin Liu, Yu **e, **aolong Tu, Yongzhen Li… in Microchimica Acta (2019)

  16. No Access

    Article

    CuO/CeO2–MnO2 Catalyst Prepared by Redox Method for Preferential Oxidation of CO in H2-Rich Gases

    CuO/CeO2–MnO2 (CuCeMn-4) catalyst was prepared by redox method and was tested in the CO preferential oxidation in H2-rich gases (CO PROX). CuO/CeO2–Mn2O3 (CuCeMn-3) catalyst was prepared and tested for comparison...

    Lei Gong, Changxiang Liu, Qian Liu, Runying Dai, Xuliang Nie… in Catalysis Surveys from Asia (2019)

  17. No Access

    Article

    Graphene-derived nanomaterials as recognition elements for electrochemical determination of heavy metal ions: a review

    This review (with 155 refs.) summarizes the progress made in the past few years in the field of electrochemical sensors based on graphene-derived materials for the determination of heavy metal ions. Following ...

    Yinxiu Zuo, **gkun Xu, **aofei Zhu, Xuemin Duan, Limin Lu… in Microchimica Acta (2019)

  18. No Access

    Article

    Aerogels prepared from polymeric β-cyclodextrin and graphene aerogels as a novel host-guest system for immobilization of antibodies: a voltammetric immunosensor for the tumor marker CA 15–3

    A three-dimensional porous network graphene aerogel (GAs) with large specific area and excellent conductivity was loaded with β-cyclodextrin polymer (Pβ-CD) to serve as a support for immobilization of antibodi...

    Haiyan Jia, Qingyun Tian, **gkun Xu, Limin Lu, Xue Ma, Yongfang Yu in Microchimica Acta (2018)

  19. No Access

    Article

    Immunosensor for α-fetoprotein based on a glassy carbon electrode modified with electrochemically deposited N-doped graphene, gold nanoparticles and chitosan

    The authors describe a voltammetric immunosensor with antibody immobilized on a glassy carbon electrode (GCE) modified with N-doped graphene (N-GS), electrodeposited gold nanoparticles (AuNPs) and chitosan (Ch...

    Haiyan Jia, Taotao Yang, Yinxiu Zuo, Wenmin Wang, **gkun Xu, Limin Lu… in Microchimica Acta (2017)

  20. No Access

    Article

    One-step electrosynthesis of poly(3,4-ethylenedioxy-thiophene)–ethylsulfate matrix for fabricating vitamin C electrochemical biosensor and its determination in commercial juices

    A stable and specific electrochemical biosensor based on a poly(3,4-ethylenedioxythiophene)–ethyl sulfate (PEDOT–EtSO4) matrix with high conductivity and stability was easily fabricated. 1-Ethyl-3-methylimidazoli...

    Yang** Wen, Xuemin Duan, **gkun Xu… in Journal of Solid State Electrochemistry (2012)