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|a eng
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| 100 |
1 |
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|a Murphy, Sean
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Laser Flash Photolysis of Au-PNIPAM Core-Shell Nanoparticles
|b Dynamics of the Shell Response
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| 264 |
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1 |
|c 2016
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| 336 |
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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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| 500 |
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|a Date Completed 14.06.2018
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|a Date Revised 14.06.2018
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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| 520 |
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|a Hydrophobic forces play a key role in the processes of collapse and reswelling of thermoresponsive polymers. However, little is known about the dynamics of these processes. Here, thermoresponsive poly(N-isopropylacrylamide)-encapsulated gold nanoparticles (Au-PNIPAM) are heated via nanosecond laser flash photolysis. Photothermal heating via excitation of the localized surface plasmon resonance of the Au nanoparticle cores results in rapid PNIPAM shell collapse within the 10 ns pulse width of the laser. Remarkably, reswelling of the polymer shell takes place in less than 100 ns. A clear pump fluence threshold for the collapse of the PNIPAM shell is demonstrated, below which collapse is not observed. Reswelling takes longer at higher laser intensities
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| 650 |
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|a Journal Article
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| 700 |
1 |
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|a Jaber, Sarah
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ritchie, Cameron
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Karg, Matthias
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Mulvaney, Paul
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 32(2016), 47 vom: 29. Nov., Seite 12497-12503
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
8 |
|g volume:32
|g year:2016
|g number:47
|g day:29
|g month:11
|g pages:12497-12503
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