Xiaoyan Long

ORCID: 0000-0003-1788-7317
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About
Contact & Profiles
Research Areas
  • Advanced biosensing and bioanalysis techniques
  • Quantum Dots Synthesis And Properties
  • Biosensors and Analytical Detection
  • Water Quality Monitoring and Analysis
  • Advanced Polymer Synthesis and Characterization
  • Electrochemical Analysis and Applications
  • Advanced Photocatalysis Techniques
  • Spectroscopy and Chemometric Analyses
  • Perovskite Materials and Applications
  • Chalcogenide Semiconductor Thin Films
  • Analytical Chemistry and Sensors
  • Arsenic contamination and mitigation

Shandong University
2017-2019

South China Agricultural University
2010

A spectrum-resolved dual-color electrochemiluminescence (ECL) immunoassay was designed and implemented to simultaneously detect carcinoembryonic antigen (CEA) alpha fetoprotein (AFP) with CdTe (λmax = 776 nm) CdSe 550 nanocrystals (NCs) as ECL tags. The NCs were labeled respective probe antibodies (Ab2) of CEA AFP, respectively, then immobilized onto the working electrode surface via sandwich-type immunoreactions. Both within immunocomplexes can be electrochemically reduced give off...

10.1021/acs.analchem.7b04188 article EN Analytical Chemistry 2017-11-07

Copper indium sulfide (CuInS2, CIS) nanocrystals (NCs) are a promising solution to the toxic issue of Cd- and Pb-based NCs. Herein, electrochemiluminescence (ECL) CIS NCs in aqueous medium is investigated for first time with l-glutathione sodium citrate-stabilized water-soluble CIS/ZnS as model. The can be oxidized hole-injected states via electrochemically injecting holes into valence band at 0.55 0.94 V (vs Ag/AgCl), respectively. state around bring out efficient oxidative-reduction ECL...

10.1021/acs.analchem.8b00006 article EN Analytical Chemistry 2018-02-08

Reactive oxygen species (ROS) involved anodic charge transfer and electrochemiluminescence (ECL) of all-inorganic halide perovskite CsPbBr3 nanocrystals (NCs) were investigated in an aqueous medium with hydrogen peroxide (H2O2) as the model. NCs could be electrochemically oxidized to positively charged states by injecting holes onto highest occupied molecular orbitals chemically reduced negatively electrons lowest unoccupied ROS. The between oxidative reductive bring out monochromatic ECL...

10.1021/acs.inorgchem.7b01515 article EN Inorganic Chemistry 2017-08-22

Electrochemical redox-induced radiative charge transfer in non-toxic CIS NCs was investigated for the first time by ECL.

10.1039/c7tc04651k article EN Journal of Materials Chemistry C 2017-01-01

Screening a novel electrochemiluminescence (ECL) system is crucial to ECL evolution. Herein, an efficient with less interference and environmental concern under physiological condition developed via unique internal Cu(I)/Cu(II) couple cycling amplified strategy by employing the glutathione- citrate-capped copper indium sulfide (CIS)/ZnS nanocrystals (NCs) as electrochemiluminophore N2H4·H2O co-reactant. CIS/ZnS NCs can be electrochemically injected valence band (VB) hole at 0.46 0.87 V (vs...

10.1021/acs.analchem.9b02320 article EN Analytical Chemistry 2019-07-12
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