Chemistry is the experimental science by definition. We want to make observations to prove hypothesis. For this purpose, we perform experiments in the lab. , Safety of Pyridinehydrochloride, 628-13-7, Name is Pyridinehydrochloride, molecular formula is C5H6ClN, belongs to pyridine-derivatives compound. In a document, author is Li, Bo, introduce the new discover.
Novel neuron-network-like Cu-MoO2/C composite derived from bimetallic organic framework for highly efficient detection of hydrogen peroxide
Fabrication of non-enzymatic electrochemical sensors based on metal oxides with low valence-state for nanomolar detection of H2O2 has been a great challenge. In this work, a novel neuron-network-like Cu – MoO2/C hierarchical structure was simply prepared by in-situ pyrolysis of 3D bimetallic-organic framework [Cu(Mo2O7)L](n) [L: N-(pyridin-3-ylmethyl)pyridine-2-amine] crystals. Meanwhile, the MoO2/C nano-aggregates were also obtained by liquid phase copper etching. Subsequently, two nonenzymatic electrochemical sensors were fabricated by simple drop-coating of the above two materials on the surface of glassy carbon electrode (GCE). Electrochemical measurements indicate that the Cu- MoO2/C/GCE possesses highly efficient electrocatalytic H2O2 property during wider linear range of 0.24 mu M-3.27 mM. At room temperature, the Cu-MoO2/C composite displays higher sensitivity (233.4 mu A mM(-1) cm(-2)) and lower limit of detection (LOD = 85 nM), which are 1 and 2.5 times larger than those of MoO2/C material, respectively. Such excellent ability for trace H2O2 detection mainly originates from the synergism of neuron-network-like structure, enhanced electrical conductivity and increased active sites caused by low valence-state MoO2 and co-doping of Cu and carbon, and even the interaction between Cu and Mo. In addition, the H2O2 detection in spiked human serum and commercially real samples indicates that the Cu-MoO2/C/GCE sensor has certain potential application in the fields of environment and biology. (C) 2020 Elsevier B.V. All rights reserved.
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Reference:
Pyridine – Wikipedia,
,Pyridine | C5H5N – PubChem