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Dual red-NIR luminescent Eu–Yb heterolanthanide nanoparticles as promising basis for cellular imaging and sensing
Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Russian Federation. Kazan (Volga region) Federal University, Russian Federation..
Kazan (Volga region) Federal University, Russian Federation.
Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Russian Federation.
Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Russian Federation.
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2019 (English)In: Materials science & engineering. C, biomimetic materials, sensors and systems, ISSN 0928-4931, E-ISSN 1873-0191, Vol. 105, article id 110057Article in journal (Refereed) Published
Abstract [en]

The present work introduces ternary Ln(III) (Ln = Eu, Yb, Lu) complexes with thenoyltriflouro1,3-diketonate (TTA−) and phosphine oxide derivative (PhO) as building blocks for core-shell nanoparticles with both Eu(III)- or Yb(III)-centered luminescence and the dual Eu(III)-Yb(III)-centered luminescence. Solvent-mediated self-assembly of the complexes is presented herein as the procedure for formation of Eu–Lu, Eu–Yb and Yb–Lu heterometallic or homometallic cores coated by hydrophilic polystyrenesulfonate-based shells. Steady state and time resolved Eu-centered luminescence in homolanthanide and heterolanthanide Eu–Lu and Eu–Yb cores is affected by Eu → Eu and Eu → Yb energy transfer due to a close proximity of the lanthanide blocks within the core of nanoparticles. The Eu → Yb energy transfer is highlighted to be the reason for the enhancement of the NIR Yb-centered luminescence. Efficient cellular uptake, low cytotoxicity towards normal and cancer cells, and sensing ability of Eu–Yb nanoparticles on lomefloxacin additives via both red and NIR channels make them promising as cellular imaging agents and sensors.

Place, publisher, year, edition, pages
Elsevier, 2019. Vol. 105, article id 110057
Keywords [en]
Mixed ligand complexesHeterolanthanide nanoparticles, Dual luminescence, Energy transfer, Cellular imaging, Sensors, Fluoroquinolones
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Experimental Physics
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URN: urn:nbn:se:ltu:diva-75610DOI: 10.1016/j.msec.2019.110057Scopus ID: 2-s2.0-85070189572OAI: oai:DiVA.org:ltu-75610DiVA, id: diva2:1344403
Note

Validerad;2019;Nivå 2;2019-08-20 (svasva)

Available from: 2019-08-20 Created: 2019-08-20 Last updated: 2019-08-20Bibliographically approved

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Enrichi, FrancescoVomiero, Alberto

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