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Much. Azam
Departemen Fisika, Fakultas Sains dan Matematika, Universitas Diponegoro, Semarang
Physics

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Pengujian bahan untuk elektroda pada sistem dielektroforesis Much. Azam
Youngster Physics Journal Vol 6, No 2 (2017): Youngster Physics Journal April 2017
Publisher : Jurusan Fisika, Fakultas Sains dan Matematika, Universitas Diponegoro

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Abstract

In this paper described the results of electrode material testing point-field configuration for the system dielektroforesis. Type of materials used iron, stenlees, silver and gold. Testing is done to know the type of material that is not easy to cause electrolysis in bioparticle medium, either with or without layer of insulator (glue). The test was also conducted to determine whether or not the phenomenon of electrophoresis in water flea (cladocera) was given a 1-10 voltlt AC voltage with a frequency of 6 MHz. The test results showed that in all types of electrode materials used, electrolysis did not occur when the electrodes were given a layer of insulator, and electrolysis occurred when not given a layer of insulator. While the phenomenon dielektroforesis not visible when given AC voltage up to 10 Volt and frequency 6 MHz.Keywords: Dielectrophoresis, cladocera, electrolisis, point-plate electrode
Simulasi numerik gaya dielektroforesis pada biopartikel berbentuk bola Much. Azam
Youngster Physics Journal Vol 6, No 1 (2017): Youngster Physics Journal Januari 2017
Publisher : Jurusan Fisika, Fakultas Sains dan Matematika, Universitas Diponegoro

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Abstract

This paper presents results of simulations of the electric field and dielectrophoretic force on a bioparticel suspended in a host liquid lying between point-plate electrodes. The method of calculation is based on the method of dipole images using the finite-elemen technique. We have investigated the effect of the bioparticle permittivity, and liquid permittivity on the dielectrophoresis spectrum. The results show that the bioparticle permittivity, and liquid permittivity influence to the dielectrophoresis spectrum on  the different frekuensi range and the point-plate electrode configuration is suitable with dielectrophoresis system because the configuration  can produce the  inhomogen electric field.Keywords: Dielectrophoresis, sphere bioparticle, permittivity, point-plate elecrode
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