pH dependence of the assembly mechanism and properties of poly(l-lysine) and poly(l-glutamic acid) complexes

Author:

Kastinen Tuuva123ORCID,Lupa Dawid45ORCID,Bonarek Piotr6ORCID,Fedorov Dmitrii37ORCID,Morga Maria4ORCID,Linder Markus B.37ORCID,Lutkenhaus Jodie L.89ORCID,Batys Piotr4ORCID,Sammalkorpi Maria137ORCID

Affiliation:

1. Department of Chemistry and Materials Science, Aalto University, P.O. Box 16100, 00076 Aalto, Finland

2. Faculty of Engineering and Natural Sciences, Chemistry & Advanced Materials, Tampere University, P.O. Box 541, 33014 Tampere University, Finland

3. Academy of Finland Center of Excellence in Life-Inspired Hybrid Materials (LIBER), Aalto University, P.O. Box 16100, 00076 Aalto, Finland

4. Jerzy Haber Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences, Niezapominajek 8, PL-30239 Krakow, Poland

5. Jagiellonian University, Faculty of Physics, Astronomy, and Applied Computer Science, M. Smoluchowski Institute of Physics, Łojasiewicza 11, 30-348 Kraków, Poland

6. Department of Physical Biochemistry, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387 Krakow, Poland

7. Department of Bioproducts and Biosystems, Aalto University, P.O. Box 16100, 00076 Aalto, Finland

8. Artie McFerrin Department of Chemical Engineering, Texas A&M University, College Station, Texas 77840, USA

9. Department of Materials Science and Engineering, Texas A&M University, College Station, Texas 77840, USA

Abstract

Experiments and molecular dynamics simulations show that pH is a way to control the poly(l-lysine)/poly(l-glutamic acid) complexation. The associated changes in the charge and secondary structure can be used to control materials assembly.

Funder

Academy of Finland

Novo Nordisk

Narodowe Centrum Nauki

National Science Foundation

Suomen Kulttuurirahasto

Publisher

Royal Society of Chemistry (RSC)

Subject

Physical and Theoretical Chemistry,General Physics and Astronomy

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