High-throughput optical injection of mammalian cells using a Bessel light beam

Helen A. Rendall, Robert F. Marchington, Bavishna B. Praveen, Gerald Bergmann, Yoshihiko Arita, Alexander Heisterkamp, Frank J. Gunn-Moore, Kishan Dholakia

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

Femtosecond photoporation is an optical method for the injection of membrane impermeable substances into cells. Typically this is a low-throughput method where each cell is individually targeted. Here, we present a novel microfluidic platform with passive optical injection improving previously reported throughputs by one order of magnitude. In this new geometry, two-dimensional hydrodynamic focusing is achieved using a three-dimensional nozzle which confines mammalian cells to the central region of the microfluidic channel. A reusable quartz chip is designed so that a propagation invariant, 'non-diffracting' Bessel beam can be directed along the centre of the channel, parallel to but counter-propagating with the flow of cells in contrast to previous orthogonal geometries. This allows for higher flow speeds to be used whilst maintaining the necessary dwell time for cells in the core of the Bessel beam. Using this method, we have achieved viable injection of HL60 cells with propidium iodide with an efficiency of 20.4 ± 4.2% and CHO-K1 cells (31.0 ± 9.5%) at a rate of up to 10 cells s-1.

Original languageEnglish
Pages (from-to)4816-4820
Number of pages5
JournalLab on a chip
Volume12
Issue number22
DOIs
Publication statusPublished - 2012 Nov 21

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Microfluidics
Cells
Throughput
Light
Injections
Quartz
Geometry
Propidium
Nozzles
Hydrodynamics
Membranes
CHO Cells
HL-60 Cells

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Biochemistry
  • Chemistry(all)
  • Biomedical Engineering

Cite this

Rendall, H. A., Marchington, R. F., Praveen, B. B., Bergmann, G., Arita, Y., Heisterkamp, A., ... Dholakia, K. (2012). High-throughput optical injection of mammalian cells using a Bessel light beam. Lab on a chip, 12(22), 4816-4820. https://doi.org/10.1039/c2lc40708f
Rendall, Helen A. ; Marchington, Robert F. ; Praveen, Bavishna B. ; Bergmann, Gerald ; Arita, Yoshihiko ; Heisterkamp, Alexander ; Gunn-Moore, Frank J. ; Dholakia, Kishan. / High-throughput optical injection of mammalian cells using a Bessel light beam. In: Lab on a chip. 2012 ; Vol. 12, No. 22. pp. 4816-4820.
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Rendall, HA, Marchington, RF, Praveen, BB, Bergmann, G, Arita, Y, Heisterkamp, A, Gunn-Moore, FJ & Dholakia, K 2012, 'High-throughput optical injection of mammalian cells using a Bessel light beam', Lab on a chip, vol. 12, no. 22, pp. 4816-4820. https://doi.org/10.1039/c2lc40708f

High-throughput optical injection of mammalian cells using a Bessel light beam. / Rendall, Helen A.; Marchington, Robert F.; Praveen, Bavishna B.; Bergmann, Gerald; Arita, Yoshihiko; Heisterkamp, Alexander; Gunn-Moore, Frank J.; Dholakia, Kishan.

In: Lab on a chip, Vol. 12, No. 22, 21.11.2012, p. 4816-4820.

Research output: Contribution to journalArticle

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AU - Heisterkamp, Alexander

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Rendall HA, Marchington RF, Praveen BB, Bergmann G, Arita Y, Heisterkamp A et al. High-throughput optical injection of mammalian cells using a Bessel light beam. Lab on a chip. 2012 Nov 21;12(22):4816-4820. https://doi.org/10.1039/c2lc40708f