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Topic: Micelle


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  Spartanburg SC | GoUpstate.com | Spartanburg Herald-Journal
A micelle (rarely micella, plural micellae) is an aggregate of surfactant molecules dispersed in a liquid colloid.
A typical micelle in aqueous solution forms an aggregate with the hydrophilic "head" regions in contact with surrounding solvent, sequestering the hydrophobic tail regions in the micelle centre.
Micelles only form when the concentration of surfactant is greater than the critical micelle concentration (CMC), and the temperature of the system is greater than the critical micelle temperature, or Krafft temperature.
www.goupstate.com /apps/pbcs.dll/section?category=NEWS&template=wiki&text=micelle   (951 words)

  
 Ultrasonic Method of Determining the Critical Micelle Concentration of Surfactants
An examination of the models of the micelle structure shows that the major concept is that several micellar structures are possible and do exist.
The formation of a micelle and each different type of its structure is looked on as that of a new phase.
Hence we expected that an examination of ultrasonic velocity at different concentrations in the region of the critical micelle concentration should exhibit a discontinuity in the plot of velocity versus concentration.
www.nature.com /nature/journal/v208/n5012/abs/208780a0.html   (204 words)

  
 Chemical reactions in reverse micelle systems - Patent 5238671
This invention is directed to conducting chemical reactions in reverse micelle or microemulsion systems comprising a substantially discontinuous phase including a polar fluid, typically an aqueous fluid, and a microemulsion promoter, typically a surfactant, for facilitating the formation of reverse micelles in the system.
Supercritical fluid reverse micelle phase stability is strongly dependent on the fluid pressure, and the amount of water that can be contained in the micelle core increases with the pressure applied to the fluid.
The particles shown in the figure are considerably larger than the reverse micelles present in the supercritical propane prior to introduction of the ammonia (5 to 10 nm).
www.freepatentsonline.com /5238671.html   (3509 words)

  
 Phase I clinical trial and pharmacokinetic evaluation of NK911, a micelle-encapsulated doxorubicin
NK911 is a novel supramolecular nanocarrier designed for the enhanced delivery of doxorubicin (DXR) and is one of the successful polymer micelle systems to exhibit an efficient accumulation in solid tumours in mice.
The purpose of this study was to define the maximum-tolerated dose (MTD) and dose-limiting toxicities (DLTs) of NK911 and to evaluate its pharmacokinetic profile in man. NK911 was given intravenously to patients with solid tumours every 3 weeks using an infusion pump at a rate of 10 mg DXR equivalent min
Keywords: DDS; pharmacokinetics; NK911; micelle; doxorubicin; EPR effect
www.nature.com /doifinder/10.1038/sj.bjc.6602204   (328 words)

  
 MSN Encarta - Romania
encarta.msn.com /encyclopedia_761559516/Romania.html   (1012 words)

  
 [No title]
www.rotravel.com /romania/history/cap1.php   (262 words)

  
 Romania - VisitEurope.com   (Site not responding. Last check: 2007-11-06)
www.visiteurope.com /romania.html   (285 words)

  
 Romania   (Site not responding. Last check: 2007-11-06)
flagspot.net /flags/ro.html   (1633 words)

  
 ICL - Romania - Constitution   (Site not responding. Last check: 2007-11-06)
www.oefre.unibe.ch /law/icl/ro00000_.html   (10035 words)

  
 Government of Romania   (Site not responding. Last check: 2007-11-06)
www.gov.ro /engleza   (2233 words)

  
 Southeastern Europe Country Analysis Brief
www.eia.doe.gov /emeu/cabs/romania.html   (2575 words)

  
 Amnesty International Report 2002 - Europe - ROMANIA
web.amnesty.org /web/ar2002.nsf/eur/romania!Open   (1613 words)

  
 Romania
travel.state.gov /travel/romania.html   (2499 words)

  
 Rome and Romania, Roman Emperors, Byzantine Emperors, etc.
www.friesian.com /romania.htm   (14386 words)

  
 Romania   (Site not responding. Last check: 2007-11-06)
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 ROMANIA - Official Travel and Tourism Information. History
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 Romania   (Site not responding. Last check: 2007-11-06)
www.factmonster.com /ipka/A0107905.html   (875 words)

  
 BBC NEWS | World | Europe | Country profiles | Country profile: Romania
news.bbc.co.uk /1/hi/world/europe/country_profiles/1057466.stm   (887 words)

  
 ICL - Romania Index   (Site not responding. Last check: 2007-11-06)
www.oefre.unibe.ch /law/icl/ro__indx.html   (672 words)

  
 Romania News
www.topix.net /world/romania   (1122 words)

  
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www.fas.org /nuke/guide/romania   (162 words)

  
 Romania Travel Information | Lonely Planet Destination Guide
www.lonelyplanet.com /worldguide/destinations/europe/romania   (190 words)

  
   Romania - In Your Pocket   (Site not responding. Last check: 2007-11-06)
www.inyourpocket.com /Romania/index.shtml   (354 words)

  
 CIA - The World Factbook -- Romania   (Site not responding. Last check: 2007-11-06)
www.cia.gov /cia/publications/factbook/geos/ro.html   (1432 words)

  
 Romania Maps - Perry-Castañeda Map Collection - UT Library Online
www.lib.utexas.edu /maps/romania.html   (149 words)

  
 Romania News - Media Monitoring Service by EIN News
www.einnews.com /romania   (675 words)

  
 romania map and information page
www.worldatlas.com /webimage/countrys/europe/ro.htm   (412 words)

  
 Ethnologue report for Romania
www.ethnologue.com /show_country.asp?name=Romania   (442 words)

  
 USAID Europe and Eurasia: Romania
www.usaid.gov /locations/europe_eurasia/countries/ro   (502 words)

  
 Romania : Country Studies - Federal Research Division, Library of Congress
lcweb2.loc.gov /frd/cs/rotoc.html   (187 words)

  
 WTO | Romania - Member information
www.wto.org /english/thewto_e/countries_e/romania_e.htm   (192 words)

  
 About Romania - Location, Flag, Map, Weather, Transportation
www.phpclasses.org /browse/country/ro   (91 words)

  
 Definition of micelle - Merriam-Webster Online Dictionary
Learn more about "micelle" and related topics at Britannica.com
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www.merriam-webster.com /dictionary/micelle   (57 words)

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