other advantages of PVA cryogelation are discussed

Spanish translation: Se analizan/tratan otras ventajas de la criopreservación con alcohol de polivinilo (PVA)

03:48 Jul 27, 2015
English to Spanish translations [PRO]
Science - Biology (-tech,-chem,micro-) / biochemistry
English term or phrase: other advantages of PVA cryogelation are discussed
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It is argued that bioaugmentation is best reserved for particularly recalcitrant contaminants where an autochthonous population may be missing, and that selection has produced the microbial diversity required for clean-up of less recalcitrant contaminants. However, biodegradable contaminants may persist as a result ofsub-optimal environmental conditions such as temperature, pH, electron acceptor availability and biotic factors such as predation by protozoa. A role for immobilised-cell bioaugmentation may therefore still be envisaged for the bioremediation of, say, persistent fuel spills under such conditions, or in extreme environments. In this laboratory-scale study we examined the potential ofimmobilised hydrocarbon-degrading microorganisms for the clean up ofdiesel-contaminated soil. We used polyvinyl alcohol (PVA) cryogelation as an entrapment technique and microorganisms indigenous to the site. We constructed laboratory biopiles to compare immobilised bioaugmentation with liquid culture bioaugmentation and biostimulation. In terms ofpercentage removal of diesel after 32 days, the immobilised systems were found to be the most successful, with greatest removal in a co-immobilisation system containing PVA-entrapped microorganisms and a synthetic oil absorbent. Least success was achieved with a commercial liquid bioaugmentation agent containing surfactants and having a low pH, which also produced signi7cant phytotoxicity. Other advantages of
PVA cryogelation are discussed
.
Kepa S S O (X)
Colombia
Local time: 09:36
Spanish translation:Se analizan/tratan otras ventajas de la criopreservación con alcohol de polivinilo (PVA)
Explanation:
El PVA tiene varios nombres alternativos en español (ver referencia).
Selected response from:

Rodrigo Castillo H.
Chile
Local time: 11:36
Grading comment
Thank you very much.
4 KudoZ points were awarded for this answer



Summary of answers provided
4Se analizan/tratan otras ventajas de la criopreservación con alcohol de polivinilo (PVA)
Rodrigo Castillo H.


  

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10 hrs   confidence: Answerer confidence 4/5Answerer confidence 4/5
other advantages of pva cryogelation are discussed
Se analizan/tratan otras ventajas de la criopreservación con alcohol de polivinilo (PVA)


Explanation:
El PVA tiene varios nombres alternativos en español (ver referencia).


    Reference: http://tecnologiadelosplasticos.blogspot.com.es/2012/03/alco...
Rodrigo Castillo H.
Chile
Local time: 11:36
Native speaker of: Native in SpanishSpanish
PRO pts in category: 56
Grading comment
Thank you very much.
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