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Asymmetric printing of molecules and zeolites on self assembled monolayers.

Nanoscale (2010-07-21)
Nermin Seda Kehr, Andreas Schäfer, Bart Jan Ravoo, Luisa De Cola
ABSTRACT

Microcontact printing (mCP) is used to immobilize dyes and peptides asymmetrically, by a "peptide coupling" reaction, on monolayers of zeolite L crystals in the contact area between the stamp and the surface of the monolayer. Chemically patterned surfaces of monolayers of zeolite L crystals are obtained by using patterned stamps with different ink solutions. Additional printing of functionalized nano-objects on SAMs of zeolite L crystals is demonstrated.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Atto 425 NHS ester, BioReagent, suitable for fluorescence, ≥90% (HPLC)
Sigma-Aldrich
Atto 425 maleimide, BioReagent, suitable for fluorescence, ≥70% (coupling to thiols)
Sigma-Aldrich
Atto 425, BioReagent, suitable for fluorescence
Sigma-Aldrich
Atto 425-Biotin, BioReagent, suitable for fluorescence, ≥95.0% (HPCE)