Biomedical Engineering Reference
In-Depth Information
Table 1 (continued)
Technique
Information provided
Substrate
Strength
Limitation
ECIS
Electrochemical
Cell spreading kinetics,
micromotility of adherent cells,
migration velocity in wound
healing assay
planar gold film electrodes
• label-free and non-
invasive
• restricted to conducting and
electrochemically well-behaved
electrode materials
• 96 samples in parallel
• sensitive to cell morphology as
competing signal contribution
• automated assay
• real time approach
QCM Acoustic
Cell spreading kinetics,
micromechanics of cell-
surface junction, shear
resistance of cell-surface
interactions
piezoelectric quartz crystal
sandwiched between two
gold film electrodes
• label-free and non-
invasive
• limited parallelization
• sensitive to cellular micromechanics
as competing signal contribution
• real time approach
• resonator can be
coated with any thin
and rigid material
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