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231224s2011 xx |||||o 00| ||eng c |
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|a 10.1021/la201521w
|2 doi
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|a pubmed24n0697.xml
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|a (DE-627)NLM208961542
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|a (NLM)21650214
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Shao, Mingfei
|e verfasserin
|4 aut
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|a Magnetic-field-assisted assembly of layered double hydroxide/metal porphyrin ultrathin films and their application for glucose sensors
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|c 2011
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 18.10.2011
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|a Date Revised 21.11.2013
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2011 American Chemical Society
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|a The ordered ultrathin films (UTFs) based on CoFe-LDH (layered double hydroxide) nanoplatelets and manganese porphyrin (Mn-TPPS) have been fabricated on ITO substrates via a magnetic-field-assisted (MFA) layer-by-layer (LBL) method and were demonstrated as an electrochemical sensor for glucose. The XRD pattern for the film indicates a long-range stacking order in the normal direction of the substrate. Scanning electron microscopy (SEM) and atomic force microscopy (AFM) images of the MFA LDH/Mn-TPPS UTFs reveal a continuous and uniform surface morphology. Cyclic voltammetry, impedance spectroscopy, and chronoamperometry were used to evaluate the electrochemical performance of the film, and the results show that the MFA-0.5 (0.5 T magnetic field) CoFe-LDH/Mn-TPPS-modified electrode displays the strongest redox current peaks and fastest electron transfer process compared with those of MFA-0 (without magnetic-field) and MFA-0.15 (0.15 T magnetic field). Furthermore, the MFA-0.5 CoFe-LDH/Mn-TPPS exhibits remarkable electrocatalytic activity toward the oxidation of glucose with a linear response range (0.1-15 mM; R(2) = 0.999), low detection limit (0.79 μM) and high sensitivity (66.3 μA mM(-1) cm(-2)). In addition, the glucose sensor prepared by the MFA LBL method also shows good selectivity and reproducibility as well as resistance to poisoning in a chloride ion solution. Therefore, the novel strategy in this work creates new opportunities for the fabrication of nonenzyme sensors with prospective applications in practical detection
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Hydroxides
|2 NLM
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|a Membranes, Artificial
|2 NLM
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|a Metalloporphyrins
|2 NLM
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|a hydroxide ion
|2 NLM
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|a 9159UV381P
|2 NLM
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|a Glucose
|2 NLM
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|a IY9XDZ35W2
|2 NLM
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| 700 |
1 |
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|a Xu, Xiangyu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Han, Jingbin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhao, Jingwen
|e verfasserin
|4 aut
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|a Shi, Wenying
|e verfasserin
|4 aut
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1 |
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|a Kong, Xianggui
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wei, Min
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Evans, David G
|e verfasserin
|4 aut
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| 700 |
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|a Duan, Xue
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 27(2011), 13 vom: 05. Juli, Seite 8233-40
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:27
|g year:2011
|g number:13
|g day:05
|g month:07
|g pages:8233-40
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|u http://dx.doi.org/10.1021/la201521w
|3 Volltext
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