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  3. Chemistry; Chem Sci/Eng

micelle

Catalan translation: micel·la

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
English term or phrase:micelle
Catalan translation:micel·la

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18:55 Dec 11, 2009
English to Catalan translations [PRO]
Tech/Engineering - Chemistry; Chem Sci/Eng
Additional field(s): Engineering: Industrial
English term or phrase: micelle
Definition from Alconox, Inc.:
A sub-microscopic aggregate of molecules. In the context of cleaners, these molecules are surfactants usually arranged in sphere or rod shapes with their hydrophilic ends facing outward into the water solution and hydrophobic ends facing the inside of the aggregate. Micelles can hold hydrophobic oil molecules at their centers to create stable emulsions.

Example sentence(s):
  • Grease and oil are nonpolar and insoluble in water. When soap and soiling oils are mixed, the nonpolar hydrocarbon portion of the micelles break up the nonpolar oil molecules. A different type of micelle then forms, with nonpolar soiling molecules in the center. Thus, grease and oil and the 'dirt' attached to them are caught inside the micelle and can be rinsed away. About.com
  • Using micelles for cleaning is not a new idea. Common household detergents contain micelles, which dramatically increase the capacity of the washwater to pick up organic contaminants. Micelles could likewise be used to remove organic contaminants from industrial waste streams. Massachusetts Institute of Technology
  • In a micelle, the tails of the soap molecules are oriented toward and into the grease, while the heads face outward into the water, resulting in an emulsion of soapy grease particles suspended in the water. Chemistryexplained.com/
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micel·la
Definition:
Agregació de molècules amfipàtiques en un medi aquós formant una estructura esfèrica en què les porcionshidrofòbiques es troben a l'interior i les porcions hidròfiles a l'exterior, en contacte amb l'aigua.
Selected response from:

iolanda casacuberta
Spain
Grading comment
4 KudoZ points were awarded for this answer



Summary of translations provided
5 +2micel·la
iolanda casacuberta


  

Translations offered


22 mins   confidence: Answerer confidence 5/5 peer agreement (net): +2
micel·la


Definition from TERMCAT:
Agregació de molècules amfipàtiques en un medi aquós formant una estructura esfèrica en què les porcionshidrofòbiques es troben a l'interior i les porcions hidròfiles a l'exterior, en contacte amb l'aigua.

Example sentence(s):
  • Els lípids vénen de l'estómac en forma de gotes. En arribar al duodè es produeix l'emulsió, procés en el què les micel·les de sals biliars provoquen la fragmentació/disgregació de les gotes de lípid, en diminutes gotes, així hi ha més TAGs exposats en la superfície. - wapedia  
  • La pressurització de la llet de cabra provoca la modificació de l'estructura de la micel·la de caseïna. En tractaments a 20 ºC, es produeix una disgregació amb la formació posterior de cadenes de submicel·les. - Universitat Autònoma de Barcelona  
  • Com aquestes es mouen, aquest moviment facilita que el greix enganxat a la roba deixi d'estar adherit a ella: es formen micel·les de greix que es dispersen per la dissolució (aigua-sabó): en definitiva, netegem gràcies al sabó - xtec  
iolanda casacuberta
Spain
Local time: 10:24
Native speaker of: Native in CatalanCatalan, Native in SpanishSpanish
PRO pts in category: 8

Votes in favor of/against selecting this as the best translation of the term asked
Yes  Judith Payro
10 days
  -> Moltes gràcies, Judith.
Yes  Gemma Sanza Porcar: FeliÇ Any, Gemma
30 days
  -> Moltes gràcies, Gemma. Feliç any a tu també!
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