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Luminescent supramolecular hydrogels from a tripeptide and nitrogen-doped carbon nanodots.

ABSTRACT: The combination of different components such as carbon nanostructures and organic gelators into composite nanostructured hydrogels is attracting wide interest for a variety of applications, including sensing and biomaterials. In particular, both supramolecular hydrogels that are formed from unprotected D,L-tripeptides bearing the Phe-Phe motif and nitrogen-doped carbon nanodots (NCNDs) are promising materials for biological use. In this work, they were combined to obtain luminescent, supramolecular hydrogels at physiological conditions. The self-assembly of a tripeptide upon application of a pH trigger was studied in the presence of NCNDs to evaluate effects at the supramolecular level. Luminescent hydrogels were obtained whereby NCND addition allowed the rheological properties to be fine-tuned and led to an overall more homogeneous system composed of thinner fibrils with narrower diameter distribution.

SUBMITTER: Cringoli MC

PROVIDER: S-EPMC5550813 | biostudies-other | 2017

REPOSITORIES: biostudies-other

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Luminescent supramolecular hydrogels from a tripeptide and nitrogen-doped carbon nanodots.

Cringoli Maria C MC Kralj Slavko S Kurbasic Marina M Urban Massimo M Marchesan Silvia S

Beilstein journal of nanotechnology 20170801

The combination of different components such as carbon nanostructures and organic gelators into composite nanostructured hydrogels is attracting wide interest for a variety of applications, including sensing and biomaterials. In particular, both supramolecular hydrogels that are formed from unprotected D,L-tripeptides bearing the Phe-Phe motif and nitrogen-doped carbon nanodots (NCNDs) are promising materials for biological use. In this work, they were combined to obtain luminescent, supramolecu ...[more]

PMID: 28884061

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