MIPs logo MIPdatabase      Use this space
Custom Search
Reference type: Journal
Authors: Paik P, Gedanken A, Mastai Y
Article Title: Chiral separation abilities: Aspartic acid block copolymer-imprinted mesoporous silica.
Publication date: 2010
Journal: Microporous And Mesoporous Materials
Volume: 129
Issue: (1-2)
Page numbers: 82-89.
DOI: 10.1016/j.micromeso.2009.09.001
Alternative URL: http://www.sciencedirect.com/science/article/B6TH4-4X5JRBS-2/2/b576aa8a25365e218941a827b3e8f735

Abstract: Herein we report on the synthesis of chiral mesoporous silica (CMS) that can be used for chiral separation from a racemic mixture of two enantiomers. The CMS with a pore size of 3-5 nm and a high surface area of 725 m2 g-1 was synthesized by templating chiral block copolymers (CBCs) of polyethylene oxide (PEG) and D/L-aspartic acid (D/L-AspA), [PEO45-b-(D/L-AspA)10]. The chiral mesopores were characterized by HRTEM, small angle XRD and BET. The chiral resolution abilities and the chiral separation kinetics of the copolymer-extracted CMS were investigated using a racemic mixture of valine by circular dichroism (CD) and optical polarimetry. The chiral resolution of the CMS was further verified with a racemic mixture of alanine. A chiral selectivity factor of 7.52 was found for the specific enantiomer which is adsorbed preferably. These results allow a new approach towards enantiomeric separation and other enantiomeric applications of novel CMS
Template and target information: D/L-aspartic acid, D/L-AspA, chiral block copolymers
Author keywords: chiral separation, Chiral mesoporous silica, Chiral block copolymers

  mipdatabase.com logo imprinters do it in bulk shirt  Science Teacher peptide mug  Perpetual student shirt

Molecules Special Issue call      Appeal for information


Join the Society for Molecular Imprinting
Logo of the Society for Molecular Imprinting

New items RSS feed
new items RSS feed  View latest updates

Sign-up for e-mail updates:
Choose between receiving an occasional newsletter or more frequent e-mail alerts.
Click here to go to the sign-up page.

Is your name elemental or peptidic? Enter your name and find out by clicking either of the buttons below!
Other products you may like:
view listings for MIP books on eBay:

Mickey Mouse 90th Anniversary banner