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- W2803812864 abstract "Interactions between small molecules and biomolecules are important physiologically and for biosensing, diagnostic, and therapeutic applications. To investigate these interactions, small molecules can be tethered to substrates through standard coupling chemistries. While convenient, these approaches co-opt one or more of the few small-molecule functional groups needed for biorecognition. Moreover, for multiplexing, individual probes require different surface functionalization chemistries, conditions, and/or protection/deprotection strategies. Thus, when placing multiple small molecules on surfaces, orthogonal chemistries are needed that preserve all functional groups and are sequentially compatible. Alternately, we approach high-fidelity small-molecule patterning by coupling small-molecule neurotransmitter precursors, as examples, to monodisperse asymmetric oligo(ethylene glycol)alkanethiols during synthesis and prior to self-assembly on Au substrates. We use chemical lift-off lithography to singly and doubly pattern substrates. Selective antibody recognition of prefunctionalized thiols was comparable to or better than recognition of small molecules functionalized to alkanethiols after surface assembly. These findings demonstrate that synthesis and patterning approaches that circumvent sequential surface conjugation chemistries enable biomolecule recognition and afford gateways to multiplexed small-molecule functionalized substrates." @default.
- W2803812864 created "2018-06-01" @default.
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- W2803812864 date "2018-05-22" @default.
- W2803812864 modified "2023-09-24" @default.
- W2803812864 title "Small-Molecule Patterning via Prefunctionalized Alkanethiols" @default.
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- W2803812864 doi "https://doi.org/10.1021/acs.chemmater.8b00377" @default.
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