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@ARTICLE{Peng:888496,
      author       = {Peng, Ruiqin and Offenhäusser, Andreas and Ermolenko, Yuri
                      and Mourzina, Youlia},
      title        = {{B}iomimetic sensor based on {M}n({III})
                      meso-tetra({N}-methyl-4-pyridyl) porphyrin for non-enzymatic
                      electrocatalytic determination of hydrogen peroxide and as
                      an electrochemical transducer in oxidase biosensor for
                      analysis of biological media},
      journal      = {Sensors and actuators / B},
      volume       = {321},
      issn         = {0925-4005},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2020-04960},
      pages        = {128437 -},
      year         = {2020},
      abstract     = {Bioinspired molecular complexes that mimic the enzymatic
                      catalysis of redox transformations offer a versatile
                      platform for the development of non-enzymatic mediatorless
                      sensors with high sensitivity, selectivity, and robustness
                      without the use of precious metals. The aim of this study
                      was to prepare and investigate biomimetic sensors based on
                      the electrocatalytic reduction of hydrogen peroxide and
                      oxygen by a series of immobilized complexes of iron and
                      manganese with porphyrin macrocycles for the detection of
                      hydrogen peroxide and glucose. The influence of substitution
                      of the macroheterocyclic ligand, composition of the
                      adsorption solution, Nafion membrane, and amino acids on the
                      properties of the sensors was studied. Optimized sensor
                      function is based on the electrogenerated reduced form of
                      Mn(II) meso-tetra(N-methyl-4-pyridyl) porphyrin as a
                      catalyst and allows high sensitivity of the hydrogen
                      peroxide detection of 1.8 A M−1 cm−2 and 0.071 A
                      M−1 cm−2 to be achieved in the lower and higher
                      concentration ranges, respectively, with a low detection
                      limit of 5⋅10−7 M at physiological pH 7.4 and in the
                      presence of oxygen. The MnTMPyP electrode was investigated
                      as an electrochemical transducer in the
                      glucose-oxidase-based biosensor. The sensors were
                      successfully applied for the detection of hydrogen peroxide
                      and glucose in human serum samples. Along with a simple
                      fabrication procedure and robustness of the sensor, the
                      biomimetic electrocatalytic properties of the MnTMPyP
                      complex facilitate excellent performance of the proposed
                      sensors for hydrogen peroxide and glucose determination in
                      biological media, emphasizing the importance of bioinspired
                      electrocatalytic metalloporphyrin complexes for the
                      development of sensors and point-of-care devices.},
      cin          = {IBI-3},
      ddc          = {620},
      cid          = {I:(DE-Juel1)IBI-3-20200312},
      pnm          = {5241 - Molecular Information Processing in Cellular Systems
                      (POF4-524)},
      pid          = {G:(DE-HGF)POF4-5241},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000562371000004},
      doi          = {10.1016/j.snb.2020.128437},
      url          = {https://juser.fz-juelich.de/record/888496},
}