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Issue 16, 2018
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Synthesis of luminescent lanthanide complexes within crosslinked protein crystal matrices

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Abstract

Crosslinked protein crystals offer unique properties as a host matrix for hybrid materials, due to their precise periodic array of solvent channels suitable for the capture of functional guest molecules. To prepare luminescent protein crystals containing guest Eu(TTA)3phen (TTA = 4,4,4-trifluoro-1-(2-thienyl)-1,3-butanedionato, phen = 1,10-phenanthroline), we developed a solvent substitution scheme in which the crystals were first loaded with the hydrophobic ligands and subsequently loaded with Eu(III) in anhydrous ethanol. Notably, we also observed crystal denaturation and renaturation, concomitant with a dramatic volume expansion, in response to high DMSO concentrations. Given the possible future utility of this reversible expansion for hybrid materials preparation, we characterized the volumetric changes quantitatively.

Graphical abstract: Synthesis of luminescent lanthanide complexes within crosslinked protein crystal matrices

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Publication details

The article was received on 27 Feb 2018, accepted on 20 Mar 2018 and first published on 21 Mar 2018


Article type: Paper
DOI: 10.1039/C8CE00318A
Citation: CrystEngComm, 2018,20, 2267-2277
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    Synthesis of luminescent lanthanide complexes within crosslinked protein crystal matrices

    Y. Zhang, X. Zhang, J. Tang, C. D. Snow, G. Sun, A. E. Kowalski, L. F. Hartje, N. Zhao, Y. Wang and L. A. Belfiore, CrystEngComm, 2018, 20, 2267
    DOI: 10.1039/C8CE00318A

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