Issue 9, 2013
From the journal:

Chemical Science

Spatially controlled surface immobilization of nucleophiles via trapping of photo-generated thioaldehydes†

Thomas Pauloehrl,ab   Alexander Welle,b   Kim K. Oehlenschlaegerab  and  Christopher Barner-Kowollik*abc  

* Corresponding authors

a Preparative Macromolecular Chemistry, Institut für Technische Chemie und Polymerchemie, Karlsruhe Institute of Technology (KIT), Engesserstraße 18, 76128 Karlsruhe, Germany
E-mail: christopher.barner-kowollik@kit.edu
Fax: +49 72160845740

b Institut für Biologische Grenzflächen, Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany

c Soft Matter Synthesis Laboratory, Institut für Biologische Grenzflächen, Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany

Abstract

A novel and very simple photochemical strategy that utilizes light as a facile means to provide spatio-temporal control for the direct covalent immobilization of nucleophiles is presented. The concept is based upon the efficient trapping of photogenerated thioaldehydes by amines, hydroxylamines, and thiols. Surface patterns of polymers and small molecules bearing pendant amine-, hydroxylamine- or thiol moieties were successfully generated and imaged in a time-of-flight secondary-ion mass spectrometry (ToF-SIMS) investigation.

Graphical abstract: Spatially controlled surface immobilization of nucleophiles via trapping of photo-generated thioaldehydes

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Article information

DOI
https://doi.org/10.1039/C3SC50815C
Article type
Edge Article
Submitted
26 Mar 2013
Accepted
13 Jun 2013
First published
17 Jun 2013

Chem. Sci., 2013,4, 3503-3507

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Spatially controlled surface immobilization of nucleophiles via trapping of photo-generated thioaldehydes

T. Pauloehrl, A. Welle, K. K. Oehlenschlaeger and C. Barner-Kowollik, Chem. Sci., 2013, 4, 3503 DOI: 10.1039/C3SC50815C

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