<ns3:p>Background A novel modality of cancer treatment based on exposure to non-contact electric fields called Electro-Capacitive Cancer Therapy (ECCT) has been developed. However, the effects this vital organs during have not fully investigated. Therefore, study aimed investigate field kidney and liver structures. Methods Female rats were randomly divided into one control group three groups with six replications each. Animals treated 7,12-dimethylbenz[a]anthracene at a dose 20 mg/kg body...

Abstract This paper presents an EEG study for coherence and phase synchrony in mild cognitive impairment (MCI) subjects. MCI is characterized by decline, which early stage of Alzheimer’s disease (AD). AD a neurodegenerative disorder with symptoms such as memory loss impairment. statistical measure correlation between signals from electrodes spatially separated on the scalp. The magnitude expressed locking value (PLV), neuronal connectivity human brain. Brain were recorded using Emotiv Epoc...

&lt;b&gt;&lt;i&gt;Background:&lt;/i&gt;&lt;/b&gt; p53 acts as a transcription factor to regulate the expression of genes that modulate various cellular activities. The proliferation cancer cells has been inhibited under exposure low-intensity (18 peak-to-peak voltage) and intermediate-frequency (100 KHz) electric fields generated between 2 capacitive electrodes. Therefore, aims this study were observe molecular mechanism cell death caused by noncontact field determine whether protein can...

A real time, volumetric (4D) imaging for human brain activity based on Electrical Capacitance Volume Tomography (ECVT) has been proposed, the first in this work. The ECVT used to measure electrical signals generated from and reconstruct image of signal time. system comprises a helmet shaped capacitive sensor, 32-channel data acquisition computer control measurement, process reconstruction display activities scalp inside brain. Tests with simulation as well experimental showed different...

Our research focused on the antiproliferative effect of low intensity (18 Vpp) and intermediate frequency (100 KHz) electrostatic wave between two capacitive electrodes breast tumor cells in vitro vivo. In study has been conducted by using MCF-7 cell lines treated with external for 24, 48, 72 hours treatment number were calculated during hemocytometer presented as Growth Inhibition (GI)% efficacy. For vivo, we used female mice (Mus musculus) strain C3H animal model. The injected either...

<ns3:p><ns3:bold>Background: </ns3:bold>Breast cancer is the most common in women worldwide and leading cause of death with cancer. One novel therapy used for breast treatment non-contact electric fields called electro-capacitive (ECCT) intermediate frequency (100 kHz) low intensity (18 Vpp). The objective this study was to examine effect ECCT on mammary tumors growth rats observing immune responses that play a role fighting tumor.</ns3:p><ns3:p> <ns3:bold>Methods: </ns3:bold>Female SD were...

Osteosarcoma is a highly malignant primary tumor on bone that mainly attacks children and young adolescents. Until now, osteosarcoma therapy still combines some high costs invasive modalities may give side effects, such as pain nausea. Our previous studies suggested non-contact electric field has anti-proliferative effect breast cancer cells, in vitro vivo. In this study, we were interested studying alternating current effects cells progression well its potential cytotoxic effects. MG-63...

In this study, we proposed a novel sensor for real time 3D imaging of cancerous mass within human breast using the capacitance measurement method, namely Electrical Capacitance Volume Tomography developed earlier. The works based on fact that has much higher relative permittivity as compared with normal tissue. electrical volume tomography (ECVT) technique is capable generating volumetric image distribution in time. constitutes half-sphere sensing region to capture whole breast. consists 24...

This paper presents method to implement Linear Back Projection (LBP) algorithm in Field Programmable Gate Arrays (FPGA). Top-down approach has been adopted for the design of hardware LBP algorithm. The FPGA used is Xilinx Spartan 3A and language VHSIC Hardware Description Language (VHDL). final able reconstruct a 32×32 pixel image from 8-electrode Electrical Capacitance Tomography (ECT) with speed 23809 slice images per second shown on LCD. It could be further extended form quasi 3D 32...

<ns4:p><ns4:bold>Background:</ns4:bold> Noncontact Electro Capacitive Cancer Therapy (ECCT) is a novel treatment modality in cancer. Chemokine (C-C motif) ligand 2 (CCL2) has major role the outgrowth of metastatic breast Interleukin 18 (IL18) plays macrophage alteration, which leads to excessive angiogenesis. This study aims elaborate on association CCL2, IL18, IL23α, and TNF-α (tumor necrosis factor-alpha) expression with anti-proliferative effect ECCT rat tumor tissue. </ns4:p><ns4:p>...

Intermediate frequency and low intensity static electric field have been developed for non-invasive cancer therapy nowadays. The evaluation of the vital organs, one which is kidney liver, necessary pre-clinical safety assessment. This research aimed to evaluate effect intermediate (150 kHz) (18 Vpp) fields in tissue rats induced by DMBA (7,12-Dimethylbenz [α] anthracene). study was carried out breast tumor models using Sprague Dawley (SD) with 7,12-Dimethylbenz anthracene (DMBA) 20 mg/kg...

In this study we performed brain activity observation related to simple tasks of executed movement (EM) and imagined (IM) using Electrical Capacitance Volume Tomography (ECVT). ECVT has been previously applied imaging cancer detection. This is intended elaborate further the previous studies on functional imaging. Experiment human subjects was conducted by measuring signals during five conditions: (1) relax: baseline condition, (2) actual with right hands left hands, (3) hands. Signal...

Non-contact electric field therapy has been studied as one of less invasive and safe alternative method in cancer therapy. Some studies reported that non-contact with low intensity (50 - 60 V/m) medium frequency (150 kHz) could slower the rat’s breast tumor growth did not cause significant damage on rat's kidney liver. However, further study needed to evaluate potency be developed into effective Thus, we investigated immune response through detection CD4 CD8 protein expression mechanism...

Fast-growing teak trees are cultivated extensively in Indonesia to meet the growing demand for wood. However, it is necessary assess conditions of stands throughout their growth period. The nondestructive testing wood utilizing dielectric spectroscopy approaches based on electrical properties currently under development, particularly evaluating tree stands. This study aimed analyze values fast-growing within a frequency range 250 kHz 60 MHz and understand relationship between physical...

Data acquisition system with single signal conditioning for multi-electrode on electrical capacitance volume tomography (ECVT) was described. ECVT is a method in 3D process imaging based capacitance. The hardware employed to measure from 32 electrodes as sensory module. In this investigation, one used all hence construction simplified and power consumption relatively low. order achieve that, switch configuration which could form analog multiplexer small resistance required. Each electrode...

Capacitance measurement accuracy is affected by phase conformity between signal and reference. This work describes detection scheme which necessary for synchronization in tomography application. Core processing calculating amplitude of the detected was built on FPGA (Field-Programmable Gate-Array) platform. Phase shift demodulation algorithm employs IP core provided Xilinx FPGA. Direct digital synthesizer (DDS), multiplier, accumulator, CORDIC (coordinate rotation computer) modules were used...

This research investigates single excitation signal applied on ECVT (electrical capacitance volume tomography) data acquisition system (DAS). is one of tomography processes based measurement. Excitation signals being used in the are square and sine waves. Single wave was injected into pair electrodes which would produce method lessen time required to acquire thus fasten speed. For 16 channels, 138 frame per second could be achieved. The proposed does not decrease accuracy sensitivity

In this study, for the first time, we have used ECVT technique, developed earlier real-time and volumetric imaging of brain activity, to detect presence tumor. The sensor system measures capacitance electrical signals on cortex, generates a map activity cortex inside through tomography image reconstruction algorithm based Neural-Network Multi-criteria Optimization Image Reconstruction Technique (NN-MOIRT). is able tumors an examination functional abnormalities, as block propagation...

In this research, we proposed a capacitance measurement circuit Electrical Capacitance Volume Tomography (ECVT) to perform three-dimensional image visualization. The ECVT system is consists of three main parts i.e. sensor, data acquisition system, and computer. Data composed microcontroller measure an unknown inside the collect send it Further, these used reconstruct 3D image. design sine wave 14.6 V <sub xmlns:mml="http://www.w3.org/1998/Math/MathML"...

Electrical capacitance volume tomography (ECVT) system uses six switches in one channel with configuration resembling “T” letter, so it is called “T-switch”. The working scheme of the switch can be explained four different modes operation, i.e. excitation mode, detection ground and floating mode. This research describes effect to stray ECVT hardware. Stray introduces parasitic signal from other sources; them another electrode at mode when still flowing circuit. One channel, two channels,...

Brain Electrical Capacitance Volume Tomography (Brain ECVT) is a new technique that realizes real-time volumetric imaging of dynamic changes in electrical activity the brain and allows total interrogation whole volume inside helmet-shaped sensor. The has been used for investigating numerous functional abnormalities, including tumors, based on permittivity different from tumor case, as compared to normal brain. However, interpretation conventional ECVT image not practical clinical purposes,...

In Electrical Capacitance Volume Tomography, the internal permittivity distribution of a region interest has nonlinear relationship with measured capacitance. Most image reconstruction algorithms neglects characteristic and use instead linearized sensitivity approach to solve non-linear problem, affecting accuracy reconstructed image. this study, we used feed-forward neural network forward problem replace matrix. The process uses an iterative linear back projection technique. Comparison...

This study performed observation of human brain activity in response to audio stimuli using Electrical Capacitance Volume Tomography (ECVT). The was done by interpreting and examining 32-channels ECVT Brain Scanner's image. Hearing recorded while a single tone stimulus with three different frequencies -500 Hz, 1000 4000 played into the right ear each subjects. ECVT's measurement data then being reconstructed permittivity distribution-displayed as image, average subtraction method ILBP...