Submicron polyacrolein particles in situ embedded with upconversion nanoparticles for bioassay

A. N. Generalova, I. K. Kochneva, E. V. Khaydukov, V. A. Semchishen, A. E. Guller, A. V. Nechaev, A. B. Shekhter, V. P. Zubov, A. V. Zvyagin, S. M. Deyev

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

We report a new surface modification approach of upconversion nanoparticles (UCNPs) structured as inorganic hosts NaYF4 codoped with Yb3+ and Er3+ based on their encapsulation in a two-stage process of precipitation polymerization of acrolein under alkaline conditions in the presence of UCNPs. The use of tetramethylammonium hydroxide both as an initiator of acrolein polymerization and as an agent for UCNP hydrophilization made it possible to increase the polyacrolein yield up to 90%. This approach enabled the facile, lossless embedment of UCNPs into the polymer particles suitable for bioassay. These particles are readily dispersible in aqueous and physiological buffers, exhibiting excellent photoluminescence properties, chemical stability, and also allow the control of particle diameters. The feasibility of the as-produced photoluminescent polymer particles mean-sized 260 nm for in vivo optical whole-animal imaging was also demonstrated using a home-built epi-luminescence imaging system.

Original languageEnglish
Pages (from-to)1709-1717
Number of pages9
JournalNanoscale
Volume7
Issue number5
DOIs
Publication statusPublished - 7 Feb 2015
Externally publishedYes

Fingerprint

Bioassay
Nanoparticles
Acrolein
Polymers
Polymerization
Chemical stability
Encapsulation
Imaging systems
Surface treatment
Luminescence
Photoluminescence
Buffers
Animals
Imaging techniques
polyacrolein

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

Generalova, A. N., Kochneva, I. K., Khaydukov, E. V., Semchishen, V. A., Guller, A. E., Nechaev, A. V., ... Deyev, S. M. (2015). Submicron polyacrolein particles in situ embedded with upconversion nanoparticles for bioassay. Nanoscale, 7(5), 1709-1717. https://doi.org/10.1039/c4nr05908e

Submicron polyacrolein particles in situ embedded with upconversion nanoparticles for bioassay. / Generalova, A. N.; Kochneva, I. K.; Khaydukov, E. V.; Semchishen, V. A.; Guller, A. E.; Nechaev, A. V.; Shekhter, A. B.; Zubov, V. P.; Zvyagin, A. V.; Deyev, S. M.

In: Nanoscale, Vol. 7, No. 5, 07.02.2015, p. 1709-1717.

Research output: Contribution to journalArticle

Generalova, AN, Kochneva, IK, Khaydukov, EV, Semchishen, VA, Guller, AE, Nechaev, AV, Shekhter, AB, Zubov, VP, Zvyagin, AV & Deyev, SM 2015, 'Submicron polyacrolein particles in situ embedded with upconversion nanoparticles for bioassay', Nanoscale, vol. 7, no. 5, pp. 1709-1717. https://doi.org/10.1039/c4nr05908e
Generalova AN, Kochneva IK, Khaydukov EV, Semchishen VA, Guller AE, Nechaev AV et al. Submicron polyacrolein particles in situ embedded with upconversion nanoparticles for bioassay. Nanoscale. 2015 Feb 7;7(5):1709-1717. https://doi.org/10.1039/c4nr05908e
Generalova, A. N. ; Kochneva, I. K. ; Khaydukov, E. V. ; Semchishen, V. A. ; Guller, A. E. ; Nechaev, A. V. ; Shekhter, A. B. ; Zubov, V. P. ; Zvyagin, A. V. ; Deyev, S. M. / Submicron polyacrolein particles in situ embedded with upconversion nanoparticles for bioassay. In: Nanoscale. 2015 ; Vol. 7, No. 5. pp. 1709-1717.
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