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231223s2008 xx ||||| 00| ||eng c |
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|a pubmed24n0585.xml
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|a (DE-627)NLM175416966
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|a (NLM)18044944
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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 Liu, Juncheng
|e verfasserin
|4 aut
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| 245 |
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|a Polysugar-stabilized Pd nanoparticles exhibiting high catalytic activities for hydrodechlorination of environmentally deleterious trichloroethylene
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|c 2008
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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| 338 |
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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 03.04.2008
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|a Date Revised 24.11.2016
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a In this paper, we present a straightforward and environmentally friendly aqueous-phase synthesis of small Pd nanoparticles (approximately 2.4 nm under the best stabilization) by employing a "green", inexpensive, and biodegradable/biocompatible polysugar, sodium carboxymethylcellulose (CMC), as a capping agent. The Pd nanoparticles exhibited rather high catalytic activity (observed pseudo-first-order reaction kinetic rate constant, k(obs), is up to 828 L g(-1) min(-1)) for the hydrodechlorination of environmentally deleterious trichloroethene (TCE) in water. Fourier transform IR (FT-IR) spectra indicate that CMC molecules interact with the Pd nanoparticles via both carboxyl (-COO-) and hydroxyl (-OH) groups, thereby functioning to passivate the surface and suppress the growth of the Pd nanoparticles. Hydrodechlorination of TCE using differently sized CMC-capped Pd nanoparticles as catalyst was systematically investigated in this work. Both the catalytic activity (k(obs)) and the surface catalytic activity (turnover frequency, TOF) of these CMC-capped Pd nanoparticles for TCE degradation are highly size-dependent. This point was further verified by a comparison of the catalytic activities and surface catalytic activities of CMC-capped Pd nanoparticles with those of beta-D-glucose-capped Pd and neat Pd nanoparticles for TCE degradation
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|a Journal Article
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|a Research Support, U.S. Gov't, Non-P.H.S.
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|a Solutions
|2 NLM
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|a Trichloroethylene
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|a 290YE8AR51
|2 NLM
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|a Chlorine
|2 NLM
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|a 4R7X1O2820
|2 NLM
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|a Palladium
|2 NLM
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|a 5TWQ1V240M
|2 NLM
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|a Glucose
|2 NLM
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|a IY9XDZ35W2
|2 NLM
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|a Carboxymethylcellulose Sodium
|2 NLM
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| 650 |
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|a K679OBS311
|2 NLM
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| 700 |
1 |
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|a He, Feng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Durham, Ed
|e verfasserin
|4 aut
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| 700 |
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|a Zhao, Dongye
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Roberts, Christopher B
|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 24(2008), 1 vom: 01. Jan., Seite 328-36
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:24
|g year:2008
|g number:1
|g day:01
|g month:01
|g pages:328-36
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|a AR
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|d 24
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|h 328-36
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