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@ARTICLE{Plekan:202842,
      author       = {Plekan, Oksana and Feyer, Vitaliy and Cassidy, Andrew and
                      Lyamayev, Victor and Tsud, Nataliya and Ptasińska, Sylwia
                      and Reiff, Sara and Acres, Rober G. and Prince, Kevin C.},
      title        = {{F}unctionalisation and immobilisation of an {A}u(110)
                      surface via uracil and 2-thiouracil anchored layer},
      journal      = {Physical chemistry, chemical physics},
      volume       = {17},
      number       = {23},
      issn         = {1463-9084},
      address      = {Cambridge},
      publisher    = {RSC Publ.},
      reportid     = {FZJ-2015-05001},
      pages        = {15181 - 15192},
      year         = {2015},
      abstract     = {We study surface functionalisation by uracil and
                      2-thiouracil, and immobilisation of several DNA moieties on
                      functionalised gold surfaces. The combination of X-ray
                      photoelectron and near-edge X-ray absorption spectroscopy
                      allowed us to obtain a complete understanding of complex
                      interfacial processes, starting from adsorption of
                      biomolecules onto the metallic surface and progressing
                      towards a specific surface functionality for interactions
                      with other biologically related adsorbates. Au(110) surfaces
                      were functionalised by deposition of uracil and 2-thiouracil
                      molecules under vacuum conditions, and then tested for their
                      selectivity by immobilisation of different DNA moieties
                      deposited from aqueous solutions. We observed that adenine,
                      adenosine, and RNA polymer (polyadenylic acid) from
                      saturated solutions were immobilized successfully on the
                      2-thiouracil, but those from dilute $(1\%)$ solutions were
                      not. However, cytosine failed to adsorb even from saturated
                      solution. The chemical states of the biologically related
                      adsorbates were investigated and the geometrical orientation
                      of uracil and 2-thiouracil on the Au(110) surface was
                      determined using both spectroscopic techniques.},
      cin          = {PGI-6 / JARA-FIT},
      ddc          = {540},
      cid          = {I:(DE-Juel1)PGI-6-20110106 / $I:(DE-82)080009_20140620$},
      pnm          = {522 - Controlling Spin-Based Phenomena (POF3-522)},
      pid          = {G:(DE-HGF)POF3-522},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000355632900015},
      pubmed       = {pmid:25990541},
      doi          = {10.1039/C5CP01886B},
      url          = {https://juser.fz-juelich.de/record/202842},
}