Electrode-less Measurement of Cell Layers Impedance

Electrode-less measurement of cell layers impedance.

This paper is devoted to yet unpublished electrode-less methods (ELM) of cell layers impedance measurement based on transformer principle. The main advantage of ELM is elimination uncertainties caused by interface between electrodes and measured electrolyte. The method of avoiding distortion caused by non-ideal transformer transfer function ("deconvolution") and errors caused by residual voltag...

Real-time measurement of electrode impedance during intracochlear electrode insertion.

OBJECTIVES/HYPOTHESIS This pilot study details the use of a software tool that uses continuous impedance measurement during electrode insertion, with the eventual potential to assess and optimize electrode position and reduce insertional trauma. STUDY DESIGN Software development and experimental study with human cadaveric cochleae and two live surgeries. METHODS A prototype program to measu...

Cell constant studies of bipolar and tetrapolar electrode systems for impedance measurement

A Cell Impedance Measurement System

A cell-impedance measurement system is presented that can measure an effective parallel resistance and capacitance of a cell to within 1% in 1ms. It is proven to be functional at ten logarithmically-spaced frequencies between 100 kHz and 100 MHz, with ten parallel structures simultaneously calculating each of these. This system is further shown to be implementable with commercial parts – namely...

Local impedance measurement of an electrode/single-pentacene-grain interface by frequency-modulation scanning impedance microscopy

Right Copyright (year) AIP Publishing. This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. The following article appeared in (J. Appl. Phys. 118, 055501 (2015); http://dx.doi.org/10.1063/1.4927921) and may be found at http://scitation.aip.org/content/aip/journal/jap/118/5/10.1063/1. 4927921; The full-text file will be m...