Rapid magnetic catch-and-release purification by hydrophobic interactions

A reversible, conventional, and rapid purification method of hydrophobically tagged products using hydrophobic magnetic nanoparticles was developed. The reversible purification system entails simply controlling the polarity of solvents. First, for the catching procedure, poor solvents were added int...

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Détails bibliographiques
Publié dans:Langmuir : the ACS journal of surfaces and colloids. - 1985. - 25(2009), 18 vom: 15. Sept., Seite 11043-7
Auteur principal: Iijima, Motoyuki (Auteur)
Autres auteurs: Mikami, Yuzuru, Yoshioka, Tomohiko, Kim, Shokaku, Kamiya, Hidehiro, Chiba, Kazuhiro
Format: Article en ligne
Langue:English
Publié: 2009
Accès à la collection:Langmuir : the ACS journal of surfaces and colloids
Sujets:Journal Article Ferric Compounds Solvents Enkephalin, Leucine 58822-25-6
Description
Résumé:A reversible, conventional, and rapid purification method of hydrophobically tagged products using hydrophobic magnetic nanoparticles was developed. The reversible purification system entails simply controlling the polarity of solvents. First, for the catching procedure, poor solvents were added into a well-dispersed system of magnetic nanoparticles and tagged products. Once the poor solvents were added to the system, the products were recrystallized among the nanoparticles and the aggregation of magnetic nanoparticles occurred due to hydrophobic interactions. These aggregates with the products contained within them were able to be collected rapidly by magnets. Then, the releasing procedure can be easily performed by redispersing the collected aggregates into good solvents. The availability of this purification protocol was confirmed by using a hydrophobically tagged fluorescent model product. Furthermore, this rapid purification method was successfully applied to a peptide elongation reaction system which enabled the synthesis of peptides such as Leu-Enkephalin in high purity, in high yield, and in a short time
Description:Date Completed 04.12.2009
Date Revised 18.11.2010
published: Print
Citation Status MEDLINE
ISSN:1520-5827
DOI:10.1021/la901351s