Investigation of biopolymer-mineral interactions in the natural composite material nacre [Elektronische Ressource] / von Fabian David Heinemann

Investigation of Biopolymer - MineralInteractions in the Natural CompositeMaterial NacreVom Fachbereich fur¨ Physik und Elektrotechnikder Universit¨at Bremenzur Erlangung des akademischen Grades einesDoktor der Naturwissenschaften (Dr. rer. nat.)genehmigte Dissertationvon Dipl. Phys. Fabian David Heinemannaus Lohfelden / Kassel1. Gutachterin: Prof. Dr. Monika Fritz2. Gutachter: Prof. Dr. Dr. h.c. Horst A. DiehlEingereicht am: 24.11.2008Tag des Promotionskolloquiums: 19.12.2008Contents1. Summary 52. Introduction 72.1. Motivation ..................................... 72.2. Abalone Nacre ................................... 82.2.1. Shell Growth ................................122.2.2. Nacre Growth132.3. Targets of the Thesis . ...............................182.3.1. Crystallization Templated by the Interlamellar Matrix .........182.3.2. Determining the Surface Free Energy of the Interlamellar Matrix . . . 182.3.3. Influence of the Soluble Matrix on Precipitation Rates182.3.4. Amino Acid Analysis............................193. Material and Methods 213.1. Organic Material Extraction from Nacre .....................23.1.1. Nacre Preparation from Abalone Shells .................223.1.2. Preparation of the Interlamellar Organic Matrix ............23.1.3. Deproteination of the In Organic Matrix...........223.1.4. Preparation of the Water Soluble Matrix233.2. Chemical Methods . . ...............................243.2.1.