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231224s2013 xx |||||o 00| ||eng c |
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|a 10.1021/la304398c
|2 doi
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|a pubmed24n0746.xml
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Wang, Yanyan
|e verfasserin
|4 aut
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|a Multifunctional mesoporous nanocomposites with magnetic, optical, and sensing features
|b synthesis, characterization, and their oxygen-sensing performance
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|c 2013
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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
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|2 rdacarrier
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|a Date Completed 08.07.2013
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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 In this paper, the fabrication, characterization, and application in oxygen sensing are reported for a novel multifunctional nanomaterial of [Ru(bpy)(2)phen-MMS] (bpy, 2,2'-bipyridyl; phen, phenathrolin) which was simply prepared by covalently grafting the ruthenium(II) polypyridyl compounds into the channels of magnetic mesoporous silica nanocomposites (MMS). Scanning electron microscopy, transmission electron microscopy, Fourier transform infrared spectroscopy, X-ray diffraction, N(2) adsorption-desorption, a superconducting quantum interference device, UV-vis spectroscopy, and photoluminescence spectra were used to characterize the samples. The well-designed multifunctional nanocomposites show superparamagnetic behavior and ordered mesoporous characteristics and exhibit a strong red-orange metal-to-ligand charge transfer emission. In addition, the obtained nanocomposites give high performance in oxygen sensing with high sensitivity (I(0)/I(100) = 5.2), good Stern-Volmer characteristics (R(2) = 0.9995), and short response/recovery times (t↓ = 6 s and t↑ = 12 s). The magnetic, mesoporous, luminescent, and oxygen-sensing properties of this multifunctional nanostructure make it hold great promise as a novel multifunctional oxygen-sensing system for chemical/biosensor
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Coordination Complexes
|2 NLM
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|a Phenanthrolines
|2 NLM
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|a 2,2'-Dipyridyl
|2 NLM
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|a 551W113ZEP
|2 NLM
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|a Silicon Dioxide
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|a Ruthenium
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|a Oxygen
|2 NLM
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|a S88TT14065
|2 NLM
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| 700 |
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|a Li, Bin
|e verfasserin
|4 aut
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| 700 |
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|a Zhang, Liming
|e verfasserin
|4 aut
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| 700 |
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|a Song, Hang
|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 29(2013), 4 vom: 29. Jan., Seite 1273-9
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|x 1520-5827
|7 nnns
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|g volume:29
|g year:2013
|g number:4
|g day:29
|g month:01
|g pages:1273-9
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|u http://dx.doi.org/10.1021/la304398c
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