Transdermal enhancement effects of electroporation applied only on the stratum corneum by two electrode types, the stamp-type electrode and the frog-type electrode, were investigated in vitro using excised rat skin. Carboxyfluorescein (CF) was selected as a model compound. The excised skin was set in a Franz type diffusion cell and a square wave electric pulse was applied to the stratum corneum...

In this study, we develop the optimum composition of copper oxide/ruthenium oxide and multi-walled carbon nanotubes (CuO/RuO2/MWCNTs) ternary nanocomposite via a hydrothermal method as an efficient electrode material for supercapacitor applications. The ratio between CuO RuO2 varied to improve electrochemical performance electrode. synthesized nanocomposites are analyzed by high-resolution scan...

A new type of capacitive humidity sensor is introduced in this paper. The sensor consists of two plate electrodes coated with MWCNT films and four pieces of isolating medium at the four corners of the sensor. According to capillary condensation, the capacitance signal of the sensor is sensitive to relative humidity (RH), which could be transformed to voltage signal by a capacitance to voltage c...

A new type of electrostatic microgenerator is presented that converts mechanical microvibrational energy into electric energy. The energy conversion mechanism is as follows. External microvibrations are transmitted to the device frame. The thin electret layer sputtered to the silicon substrate surface was fixed on the frame and the moving electrode was fixed by a weak suspension and comes into ...

With the purpose of understanding a well-documented RPC ageing phenomenon, consisting of a gradual increase of the plate resistivity for chambers working at high rate, we carried out a systematic study on the electrical conduction properties of phenolic–melaminic electrode plates. A number of small size sample plates were kept under intense electrical current at fixed voltage, to simulate a hig...

The objective of this study was to propose a suitable electrode disposition and shape for iontophoretic drug delivery systems in consideration of a reduction in skin barrier function and a distribution of current density. The reduction in barrier function was evaluated with our proposed method, which measured the resistance in the short term. The distribution was estimated using an electromagne...

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Biefeld-Brown effect (B-B for short) refers to the phenomenon that when a high voltage is applied an asymmetric capacitor, capacitor generates additional force. In order explore influencing factors and series characteristics of B-B wire-plate capacitors in atmospheric pressure, set experimental devices with adjustable parameters was designed. Based on this device, effects different lengths, pow...