Electrical Manipulation and Sorting of Cells

Čemažar, Jaka; Ghosh, Arindam; Davalos, Rafael V.

doi:10.1007/978-3-319-44139-9_3

Cited by 6 publications

(4 citation statements)

References 117 publications

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“…Specifically, polynomial fitting and extrapoloation lead us to values for crossover frrequencies fxo1,Jurkat = 21.5 kHz +/-3.4 kHz and fxo1,THP-1 = 57.7 kHz +/-3.4 kHz. These values are broadly in agreement with a number of related studies of white blood cells [30][31][32][33][34]. We wish to emphasize that the main purpose of this report is the…”

Section: Frequency Dependent Responsesupporting

confidence: 90%

Electrodeformation of White Blood Cells Enriched with Gold Nanoparticles

Hallfors

Teo²,

Bertone

et al. 2021

Preprint

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The elasticity of white blood cells (WBCs) provides valuable insight into the condition of the cells themselves, the presence of some diseases, as well as immune system activity. In this work, we describe a novel process of refined control of WBCs elasticity through a combined use of gold nanoparticles (AuNPs) and the microelectrode array device. The capture and controlled deformation of gold nanoparticles enriched white blood cells in vitro are demonstrated and quantified. Gold nanoparticles enhance the effect of electrically induced deformation and make the DEP related processes more controllable.

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Section: Frequency Dependent Responsesupporting

confidence: 90%

Electrodeformation of White Blood Cells Enriched with Gold Nanoparticles

Hallfors

Teo²,

Bertone

et al. 2021

Preprint

View full text Add to dashboard Cite

show abstract

“…Specifically, polynomial fitting and extrapolation lead us to values for crossover frequencies fxo1,Jurkat = 21.5 kHz +/− 3.4 kHz and fxo1,THP-1 = 57.7 kHz +/− 3.4 kHz. These values are broadly in agreement with a number of related studies of white blood cells [32][33][34][35][36]. We wish to emphasize that the main purpose of this report is the deformability study, so this measurement has been conducted primarily as an overall quality check, and its focus was not to suggest significantly different values of crossover frequencies for Jurkat and THP-1 white blood cells.…”

Section: Frequency-dependent Responsesupporting

confidence: 84%

Electrodeformation of White Blood Cells Enriched with Gold Nanoparticles

et al. 2022

View full text Add to dashboard Cite

The elasticity of white blood cells (WBCs) provides valuable insight into the condition of the cells themselves, the presence of some diseases, as well as immune system activity. In this work, we describe a novel process of refined control of WBCs’ elasticity through a combined use of gold nanoparticles (AuNPs) and the microelectrode array device. The capture and controlled deformation of gold nanoparticles enriched white blood cells in vitro are demonstrated and quantified. Gold nanoparticles enhance the effect of electrically induced deformation and make the DEP-related processes more controllable.

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“…Indium/tin oxide (ITO) electrode is currently the most well-known material for inclusion in transparent electrodes. It has many applications in optoelectronic devices, such as semiconductors, different solar cells, interactive and touch screens, and transparent synthetic soil models [18][19][20]. Several alternatives for ITO electrodes have been proposed.…”

Section: Introductionmentioning

confidence: 99%

Synthesis of transparent bio-electrodes for biophysiological measurements based on modified graphene oxide

Maher¹,

Mahmoud²,

Saba³

2021

Nanotechnology

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The main objective of this work was to fabricate smart nanocomposite transparent conductive biophysiological electrodes based on modified graphene oxide (GO). The GO is abundant, flexible conductors that can be formulated as a transparent sheet and thereby alleviate the drawbacks of using indium tin oxide in transparent electrodes, like its scarcity, brittleness, and cost. GO was synthesized by a modified version of Hummers’ method under highly acidic conditions with sulfuric acid and showed good distribution at a high temperature of 90 °C. Polyvinyl alcohol (PVA) was used as a polymer host in the composite. Glycerol (Gl) was used to increase the flexibility and conductivity through an esterification reaction. Characteristic techniques were used to detect the morphology and structure of GO fillers and their polymer composites, such as transmission electron microscopy, x-ray diffraction, scanning electron microscopy and Fourier transform infrared spectroscopy. The GO/Gl/PVA transparent nanocomposite was tested for the synthesis of electrocardiogram (ECG) and electrodermal (EDA) electrodes. The Biopac device was used to evaluate the behavior of the GO/Gl/PVA plastic transparent electrode in comparison to the GO/Gl/PVA black electrode and a commercial one. The results indicated improved efficiency of the GO/Gl/PVA ECG transparent electrode. The GO/Gl/PVA EDA electrode produced signals with higher conductivity and lower noise than the commercial electrode.

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Electrical Manipulation and Sorting of Cells

Cited by 6 publications

References 117 publications

Electrodeformation of White Blood Cells Enriched with Gold Nanoparticles

Electrodeformation of White Blood Cells Enriched with Gold Nanoparticles

Electrodeformation of White Blood Cells Enriched with Gold Nanoparticles

Synthesis of transparent bio-electrodes for biophysiological measurements based on modified graphene oxide

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