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231223s2006 xx ||||| 00| ||eng c |
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|e rakwb
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|a eng
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|a Kühner, Ferdinand
|e verfasserin
|4 aut
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|a Friction of single polymers at surfaces
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|c 2006
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|b nc
|2 rdacarrier
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|a Date Completed 26.01.2007
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|a Date Revised 14.10.2019
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|a published: Print
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|a Citation Status MEDLINE
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|a Atomic force microscope (AFM) single molecule force spectroscopy has been used to investigate the friction coefficient of individual polymers adsorbed onto a solid support. The polymer chains were covalently attached to an AFM tip and were allowed to adsorb on a mica surface. Different polymers (ssDNA, polyallylamine) were chosen to cover a range of friction coefficients. During the experiment, the AFM tip was retracted in- and off-plane which results, depending on the chosen conditions, in a desorption of the polymer from the surface, a sliding across the surface, or a combination of both. Thus, the obtained force-extension spectra reveal detailed information on the mobility of a polymer chain on a surface under experimentally accessible conditions. This study demonstrates that absorbed polymers with comparable desorption forces may exhibit drastically different in plane mobility
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a DNA, Single-Stranded
|2 NLM
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|a Polyamines
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|a polyallylamine
|2 NLM
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|a 30551-89-4
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|a ADSS1 protein, human
|2 NLM
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|a EC 6.3.4.4
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|a Adenylosuccinate Synthase
|2 NLM
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|2 NLM
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|a Erdmann, Matthias
|e verfasserin
|4 aut
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1 |
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|a Sonnenberg, Lars
|e verfasserin
|4 aut
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| 700 |
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|a Serr, Andreas
|e verfasserin
|4 aut
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|a Morfill, Julia
|e verfasserin
|4 aut
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|a Gaub, Hermann E
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1991
|g 22(2006), 26 vom: 19. Dez., Seite 11180-6
|w (DE-627)NLM098181009
|x 0743-7463
|7 nnns
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| 773 |
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|g volume:22
|g year:2006
|g number:26
|g day:19
|g month:12
|g pages:11180-6
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