Electrochemical impedance spectroscopy (EIS) applies a small, non-destructive, AC waveform to a sample and measures the subsequent attenuation and phase shift of the signal. The experiment is repeated over a range of frequencies (typically up to 10 per decade) and the results are modelled as a combination of resistors and capacitors (and other electrical components) which, in turn, can be interpreted as physicochemical phenomena.
In particular, a sample that has a layered structure can have the electrical conductivity of the layers determined, and if the dielectric constant(s) of the sample are known then the thickness of the layers can also be determined. EIS is also often used in the characterisation of surface processes, such as corrosion.
The ERZ100 is supplied with Z Navigator operating software and the powerful ZMAN modeling software.
Ultrananocrystalline diamond-CMOS device integration route for high acuity retinal prostheses. A. Ahnood, M.C. Escudie, R. Cicione, C.D. Abeyrathne, K. Ganesan, K.E. Fox, D.J. Garrett, A. Stacey, N.V. Apollo, S.G. Lichter, C.D.L. Thomas, N. Tran, H. Meffin, S. Prawer. Biomedical Microdevices, 17:50, 2015. DOI: 10.1007/s10544-015-9952-y
A comparative study of graphene–hydrogel hybrid bionanocomposites for biosensing. S. L. Burrs, D. C. Vanegas, M. Bhargava, N. Mechulan, P. Hendershot, H. Yamaguchi, C. Gomes, and E. S. McLamore. Analyst, 140, 1466-1476, 2015. DOI: 10.1039/c4an01788a
Performance of conducting polymer electrodes for stimulating neuroprosthetics. R.A. Green, P.B. Matteucci, R.T. Hassarati, B. Giraud, C.W.D. Dodds, S. Chen, P.J. Byrnes-Preston, G.J. Suaning, L.A. Poole-Warren and N.H. Lovell, Journal of Neural Engineering, 10, 016009, 2013. DOI: 10.1088/1741-2560/10/1/016009 and many more applications.
1 year warranty.
This impedance system offers versatile performance at economical pricing and is suitable for many biosensor applications. (±100 mA to ±20 nA)
eDAQ | Laboratory instruments & Data acquisition systems
eDAQ manufactures laboratory instruments and data acquisition systems for:
Electrochemistry, Chromatography, Flow analysis, Contactless conductivity, Sensor recording, Electrochemical impedance, Teaching ...