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Oriented attachment by enantioselective facet recognition in millimeter-sized gypsum crystals.

Author(s): Viedma C, Cuccia LA, McTaggart A, Kahr B, Martin AT, McBride JM, Cintas P

Chem Commun (Camb). 2016 Sep 22;52(78):11673-11676 Authors: Viedma C, Cuccia LA, McTaggart A, Kahr B, Martin AT, McBride JM, Cintas P

Article GUID: 27722508
Directing the Viedma ripening of ethylenediammonium sulfate using "Tailor-made" chiral additives.

Author(s): Nguyen TP, Cheung PS, Werber L, Gagnon J, Sivakumar R, Lennox C, Sossin A, Mastai Y, Cuccia LA

Chem Commun (Camb). 2016 Oct 18;52(85):12626-12629 Authors: Nguyen TP, Cheung PS, Werber L, Gagnon J, Sivakumar R, Lennox C, Sossin A, Mastai Y, Cuccia LA

Article GUID: 27722259
A NIR-responsive azobenzene-based supramolecular hydrogel using upconverting nanoparticles.

Author(s): Mandl GA, Rojas-Gutierrez PA, Capobianco JA

Chem Commun (Camb). 2018 Jun 05;54(46):5847-5850 Authors: Mandl GA, Rojas-Gutierrez PA, Capobianco JA

Article GUID: 29726556
Improving metabolome coverage and data quality: advancing metabolomics and lipidomics for biomarker discovery

Author(s): Dajana Vuckovic

This Feature Article highlights some of the key challenges within the field of metabolomics and examines what role separation and analytical sciences can play to improve the use of metabolomics in biomarker discovery and personalized medicine. Recent progre...

Article GUID: 29888773
Title:Directing the Viedma ripening of ethylenediammonium sulfate using "Tailor-made" chiral additives.
Authors:Nguyen TP,  Cheung PS,  Werber L,  Gagnon J,  Sivakumar R,  Lennox C,  Sossin A,  Mastai Y,  Cuccia LA
Link:https://www.ncbi.nlm.nih.gov/pubmed/27722259?dopt=Abstract
Category:Chem Commun (Camb)
PMID:27722259
Dept Affiliation: CHEMBIOCHEM
1 Department of Chemistry & Biochemistry, Concordia University, 7141 Sherbrooke Street West, Montréal, Québec H4B 1R6, Canada. Louis.Cuccia@concordia.ca.
2 Bar-Ilan University, Department of Chemistry, Ramat Gan, Israel. Yitzhak.Mastai@biu.ac.il.

Description:

Directing the Viedma ripening of ethylenediammonium sulfate using "Tailor-made" chiral additives.

Chem Commun (Camb). 2016 Oct 18;52(85):12626-12629

Authors: Nguyen TP, Cheung PS, Werber L, Gagnon J, Sivakumar R, Lennox C, Sossin A, Mastai Y, Cuccia LA

Abstract

Both enantiomers of trans-cyclohexane-1,2-diammonium sulfate and trans-1,2-diphenylethylenediammonium sulfate were used as "tailor-made" additives to direct the mirror-symmetry breaking in the attrition-enhanced deracemization (i.e. Viedma ripening) of conglomerate crystals of ethylenediammonium sulfate (EDS). Isothermal titration calorimetry (ITC) shows chiral recognition of (1R,2R)- and (1S,2S)-1,2-diphenylethylenediamine to EDS crystals where the enthalpy of adsorption of the (1R,2R)-isomer on l-EDS crystals is higher in comparison to that on d-EDS crystals. These results are consistent with a "rule of reversal" mechanism driving the chiral outcome of the Viedma ripening of EDS.

PMID: 27722259 [PubMed]