A.3.1
Syringe pump VitFit: RS-485, 7001(+4816), Lambda.
A.3.2
DNA sodium-salt from salmon testes, D1626 Sigma, Munich.
DNA sodium-salt from calf thymus, D1501, Sigma, Munich.
DNA solution: 0.15 M sodium chloride, 3 mM sodium citrate tribasic di-hydrate, 0.05 mM EDTA disodium salt at pH≈7
Concentration of DNA: (1.5 - 2)gl.
A.3.3
Spinneret: 720 holes of 70µm diameter.
A.3.4
Teon cylinder: 80 mm diameter.
A.3.5
Force sensor: 31E, range: 10 N, Althen, Kelkheim.
A.3.6
Data acquisition card: PCI-6221 (16 bit, 250 kS/s, 16 analog inputs), Na-tional instruments, Munich.
A.3.7
Mylar-Foil: Goodfellow, 61213 Bad Nauheim.
A.3.8
Rotating anode source: J. Schneider Elektrotechnik GmbH, 77652 Oen-burg.
A.3.9
Image plate: Mar345, marresearch, 22850 Norderstedt.
A.3.10
NaDNA lm: No.of layers: 30, thickness of the lm: 0.651 mm.
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131
I would like to thank all people who supported me in one or the other way during the preparation of my thesis.
First of all I would like to thank Prof. Dr. Georg Maret to give me the opportunity to work in his group. He also spent considerable time to discuss the results with me and supported me a lot in practical ways in the nal stages of the preparation of this thesis.
PD Dr. Thomas Gisler provided me with the main subjects and tasks for my thesis. He always contributed new ideas, helped me to understand various aspects in the analysis of my data and gave me room to try out something new. He often pointed out to me new ways to compare my experimental data with results from the literature.
Prof. Dr. Fuchs very kindly was always ready for discussions about the theory behind my experiments. I thank him very much to spend so much of his time with somebody who was not a member of his group.
I thank Prof. Dr. Welte for allowing me to perform the experiments described in Chapter 4 in his x-ray laboratory.
Dipl. Phys. Mattias Hagner helped me with electron beam lithography patterning of gold lms.
It was always a pleasure to work in the group of Professor Maret and enjoy the friendly people there. In particular, Dr. Alexander Andre assisted me in x-ray measurements and NaDNA lm preparation and discussed the results of my experiments with me. Dipl. Phys. Wolfgang Bührer was always willing to solve computer and internet connection problems for me and helped in many other ways. Dipl. Phys. Markus Ninck helped in last steps of submission of the dissertation.
Ina Seuert, Ansgar Fischer, Christian Ortolf, Hans Ballot and Peter Seige helped me with many technical issues and I would like to thank all of them for their time and eorts. I also thank the mechanical workshop of the University of Konstanz for manufacturing mechanical parts and glassware for my experiments.
Semra Oeztuerk at Max-Planck Institute for Dynamics and
Self-132
Sabine Lucas was tireless to do paper work, organize workshops, plan ahead attendance of conferences, assist in the application for scholarships, and make up for my still incomplete knowledge of German. Many, many thanks, Sabine. Doris Drexler was always patient and with her kind smile willing to help me in many kinds of paper work.
I thank "Deutsche Forschungsgemeinschaft" for a scholarship in the framework of "Graduiertenkolleg Soft Condensed Matter", "Ausschuss für Forschungsfragen", University of Konstanz, for nancial support,
"Gleichstellungsrat", University of Konstanz, for a scholarship ("Brück-enstipendium"), and the German-French University for nancial support.
I would like to thank my friends:
M.Sc. Leila Farnad, Dr. Balbine Amoussou, M.Sc. Nava schulmann, Dr.
Larysa Baraban and Dr. Wellington Gomes-Dantas for their kind help and support during my doctoral work.
I thank my (passed away) teacher Dr. Habib Taghizade, for his kind advices, encouragement, and for his helps.
I thank my family for their patience and support during these years.
133