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The interfacial behaviour of single poly(N,N-dimethylacrylamide) chains as a function of pH.

Abstract:

We have studied the pH-dependent conformational behaviour of poly(N,N-dimethylacrylamide) (PDMAc) at silicon and gold surfaces using single-molecule force spectroscopy and a quartz crystal microbalance (QCM). Despite the pH dependence, nuclear magnetic resonance and titration experiments demonstrate that PDMAc is not a weak polybase. The interaction between single chains and a silicon surface (with native oxide layer intact) in aqueous solution was investigated using force spectroscopy. Singl...

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Publication status:
Published

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Theoretical Physics
Role:
Author
Journal:
Nanotechnology
Volume:
19
Issue:
3
Pages:
035505
Publication date:
2008-01-05
DOI:
EISSN:
1361-6528
ISSN:
0957-4484
URN:
uuid:2028e014-53fe-46f5-88b2-d3fd91c54afc
Source identifiers:
158097
Local pid:
pubs:158097
Language:
English

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