Visualization of magnetic microcapsules in liquid by optical coherent tomography and control of their arrangement via external magnetic field

T. A. Kolesnikova, Ga G. Akchurin, S. A. Portnov, G. B. Khomutov, Ge G. Akchurin, O. G. Naumova, G. B. Sukhorukov, D. A. Gorin

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Optical coherence tomography (OCT) is a new, noninvasive, noncontact in vivo imaging technology. We demonstrated that the OCT can be used as a sufficient technique for nanocomposite microcapsule visualization in a liquid medium. As a model system we choose a water/glycerol mixture with viscosity in a variable range from 1.01 to 1.41×10 3 mPa s, including viscosity of a blood plasma. We have found that tomography spatial resolution is enough to visualize capsules and their aggregates in liquids and to estimate their concentration via two-dimensional (2D) tomography scan analysis. In our experimental conditions microcapsule concentration measured by OCT was 3.9×10 7 cm -3 and this value correlated well with the concentration measured in a counting chamber (1.9×10 7 cm -3). We also demonstrated the possibility to control capsule spatial distribution in glycerol solutions by external magnetic field and determined the dependence of capsule sedimentation time on the liquid medium viscosity.

Original languageEnglish
Pages (from-to)643-648
Number of pages6
JournalLaser Physics Letters
Volume9
Issue number9
DOIs
Publication statusPublished - 2012
Externally publishedYes

Fingerprint

Optical tomography
Tomography
Visualization
tomography
Viscosity
Magnetic fields
Glycerol
capsules
Liquids
liquids
magnetic fields
viscosity
glycerols
Sedimentation
Spatial distribution
Nanocomposites
Blood
blood plasma
Plasmas
Imaging techniques

Keywords

  • Liquid viscosity
  • Magnetic microcapsules
  • Microcapsule transport
  • Optical coherent tomography

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)
  • Instrumentation

Cite this

Kolesnikova, T. A., Akchurin, G. G., Portnov, S. A., Khomutov, G. B., Akchurin, G. G., Naumova, O. G., ... Gorin, D. A. (2012). Visualization of magnetic microcapsules in liquid by optical coherent tomography and control of their arrangement via external magnetic field. Laser Physics Letters, 9(9), 643-648. https://doi.org/10.7452/lapl.201210050

Visualization of magnetic microcapsules in liquid by optical coherent tomography and control of their arrangement via external magnetic field. / Kolesnikova, T. A.; Akchurin, Ga G.; Portnov, S. A.; Khomutov, G. B.; Akchurin, Ge G.; Naumova, O. G.; Sukhorukov, G. B.; Gorin, D. A.

In: Laser Physics Letters, Vol. 9, No. 9, 2012, p. 643-648.

Research output: Contribution to journalArticle

Kolesnikova, T. A. ; Akchurin, Ga G. ; Portnov, S. A. ; Khomutov, G. B. ; Akchurin, Ge G. ; Naumova, O. G. ; Sukhorukov, G. B. ; Gorin, D. A. / Visualization of magnetic microcapsules in liquid by optical coherent tomography and control of their arrangement via external magnetic field. In: Laser Physics Letters. 2012 ; Vol. 9, No. 9. pp. 643-648.
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