Analytical and Bioanalytical Chemistry

, Volume 407, Issue 12, pp 3437–3448 | Cite as

Using dielectrophoresis to study the dynamic response of single budding yeast cells to Lyticase

  • Shi-Yang TangEmail author
  • Pyshar Yi
  • Rebecca Soffe
  • Sofia Nahavandi
  • Ravi Shukla
  • Khashayar KhoshmaneshEmail author
Research Paper


Budding yeast cells are quick and easy to grow and represent a versatile model of eukaryotic cells for a variety of cellular studies, largely because their genome has been widely studied and links can be drawn with higher eukaryotes. Therefore, the efficient separation, immobilization, and conversion of budding yeasts into spheroplast or protoplast can provide valuable insight for many fundamentals investigations in cell biology at a single cell level. Dielectrophoresis, the induced motion of particles in non-uniform electric fields, possesses a great versatility for manipulation of cells in microfluidic platforms. Despite this, dielectrophoresis has been largely utilized for studying of non-budding yeast cells and has rarely been used for manipulation of budding cells. Here, we utilize dielectrophoresis for studying the dynamic response of budding cells to different concentrations of Lyticase. This involves separation of the budding yeasts from a background of non-budding cells and their subsequent immobilization onto the microelectrodes at desired densities down to single cell level. The immobilized yeasts are then stimulated with Lyticase to remove the cell wall and convert them into spheroplasts, in a highly dynamic process that depends on the concentration of Lyticase. We also introduce a novel method for immobilization of the cell organelles released from the lysed cells by patterning multi-walled carbon nanotubes (MWCNTs) between the microelectrodes.


Microfluidics Dielectrophoresis Yeast 



K. Khoshmanesh acknowledges the Australian Research Council for funding under Discovery Early Career Researcher Award (DECRA) scheme (project DE120101402). R. Shukla thanks RMIT University for VC Research Fellowship.

Supplementary material

216_2015_8529_MOESM1_ESM.pdf (944 kb)
ESM 1 (PDF 943 kb)
Supplementary Movie 1

(AVI 2845 kb)

Supplementary Movie 2

(AVI 2114 kb)


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Copyright information

© Springer-Verlag Berlin Heidelberg 2015

Authors and Affiliations

  1. 1.School of Electrical and Computer EngineeringRMIT UniversityMelbourneAustralia
  2. 2.Faculty of Medicine, Dentistry, & Health SciencesThe University of MelbourneMelbourneAustralia
  3. 3.School of Applied SciencesRMIT UniversityMelbourneAustralia

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