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231223s2007 xx ||||| 00| ||eng c |
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|a pubmed24n0559.xml
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|a (DE-627)NLM167571214
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|a (NLM)17209584
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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 Lawrence, David B
|e verfasserin
|4 aut
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| 245 |
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|a Temperature-responsive semipermeable capsules composed of colloidal microgel spheres
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|c 2007
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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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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 17.07.2007
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|a Date Revised 21.11.2013
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|a published: Print
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|a Citation Status MEDLINE
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|a We present semipermeable, hollow capsules (colloidosomes) that expand and contract upon heating and cooling. The capsules are composed of micrometer-sized poly(N-isopropylacrylamide)-co-acrylic acid microgel particles, which exhibit a reversible size transition near 34 degrees C. The microgel particles assemble on the surfaces of water droplets in oil. Addition of the diblock copolymer poly(butadiene-b-N-methyl 4-vinyl pyridinium iodide) to the oil results in soft, elastic membranes of microgel particles that remain intact after the droplet interfaces are dissolved. Under heating, the capsules contract reversibly by 13% or irreversibly by 40% in radius. These stimulus-responsive colloidosomes might be useful for controlled release or as microscopic actuators
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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 Biocompatible Materials
|2 NLM
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|a Colloids
|2 NLM
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|a Macromolecular Substances
|2 NLM
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|a Polymers
|2 NLM
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| 650 |
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|a Water
|2 NLM
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| 650 |
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|a 059QF0KO0R
|2 NLM
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| 700 |
1 |
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|a Cai, Tong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hu, Zhibing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Marquez, Manuel
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Dinsmore, A D
|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 23(2007), 2 vom: 16. Jan., Seite 395-8
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:23
|g year:2007
|g number:2
|g day:16
|g month:01
|g pages:395-8
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