Crystalline, Porous Microspheres Made from Amino Acids by Using Polymer‐Induced Liquid Precursor Phases | Zendy

Wohlrab Sebastian | Zendy; Cölfen Helmut | Zendy; Antonietti Markus | Zendy

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Crystalline, Porous Microspheres Made from Amino Acids by Using Polymer‐Induced Liquid Precursor Phases

Author(s) -

Wohlrab Sebastian,

Cölfen Helmut,

Antonietti Markus

Publication year - 2005

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.200462467

Subject(s) - ostwald ripening , crystallization , polymer , precipitation , polyelectrolyte , chemical engineering , porosity , amino acid , lysine , crystal (programming language) , chemistry , microsphere , materials science , crystallography , polymer chemistry , nanotechnology , organic chemistry , computer science , physics , biochemistry , meteorology , engineering , programming language

Precipitation of charged amino acids in the presence of oppositely charged polyelectrolytes leads to liquid droplets of the corresponding polymer/amino acid complexes in water. The resulting emulsions are stable against crystallization and Ostwald ripening for several months but can also be used as a starting situation for crystallization of spherical, porous crystal superstructures (see SEM image of L ‐lysine).

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