Title :
Application of step response impedance spectroscopy for detection of skin irritation
Abstract :
This paper describes the application of a noninvasive electrical impedance method to evaluate skin irritation. The impedance method is based on a current response to a voltage step excitation. The skin irritation was induced on volar forearm of 20 subjects by sodium lauryl sulphate dissolved in distilled water at concentration of 5.0%. The impedance parameters obtained before the application of irritant and after its removal were statistically difference. The results showed that the impedance parameters can detect the presence of oedema induced by irritation.
Keywords :
bioelectric phenomena; diseases; distillation; electric impedance measurement; skin; sodium compounds; spectroscopy; step response; water; H2O; distilled water; noninvasive electrical impedance method; oedema; skin irritation detection; sodium lauryl sulphate; step response impedance spectroscopy; volar forearm; voltage step excitation; Biomedical engineering; Capacitance; Electrochemical impedance spectroscopy; Extracellular; Frequency; Impedance measurement; Laser sintering; Skin; Surface impedance; Voltage;
Conference_Titel :
Engineering in Medicine and Biology Society, 2003. Proceedings of the 25th Annual International Conference of the IEEE
Print_ISBN :
0-7803-7789-3
DOI :
10.1109/IEMBS.2003.1280827
