Spatially Controlled Photochemical Peptide and Polymer
Conjugation on Biosurfaces
Posted on 2013-12-09 - 00:00
An
efficient phototriggered Diels–Alder conjugation is utilized
to graft in an effective and straightforward approach poly(trifluoro
ethyl methacrylate) (Mn = 3700 Da, Đ = 1.27) and a model peptide (GIGKFLHS) onto thin
hyaluronan films and cellulose surfaces. The surfaces were functionalized
with an o-quinodimethane moiety – capable
of releasing a caged diene – via carbodiimide mediated coupling.
The o-quinodimethane group is employed as a photoactive
linker to tether predefined peptide/polymer strands in a spatially
controlled manner onto the biosurface by photoenol ligation. An in-depth
characterization employing XPS, ToF-SIMS, SPR, ellipsometry, and AFM
was conducted to evidence the effectiveness of the presented approach.
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Tischer, Thomas; Claus, Tanja K.; Bruns, Michael; Trouillet, Vanessa; Linkert, Katharina; Rodriguez-Emmenegger, Cesar; et al. (2016). Spatially Controlled Photochemical Peptide and Polymer
Conjugation on Biosurfaces. ACS Publications. Collection. https://doi.org/10.1021/bm401274v
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AUTHORS (10)
TT
Thomas Tischer
TC
Tanja K. Claus
MB
Michael Bruns
VT
Vanessa Trouillet
KL
Katharina Linkert
CR
Cesar Rodriguez-Emmenegger
AG
Anja S. Goldmann
SP
Sébastien Perrier
HB
Hans G. Börner
CB
Christopher Barner-Kowollik
KEYWORDS
Polymer Conjugationfunctionalizedellipsometryphototriggereddienemannermodel peptidehyaluronan filmspredefinedmoietyethylcellulose surfacesphotoenol ligationSPRconjugationtethergraftapproachcarbodiimideDieleffectivenessMnSpatially Controlled Photochemical Peptidepolyphotoactive linker3700 DaAFMstrandXPSevidencecharacterizationGIGKFLHSbiosurfaceBiosurfacesAnmethacrylate