Studying The Effect of The Dielectric Barrier Discharge Non- thermal Plasma on Colon Cancer Cell line

Non-thermal plasma is a future tool for the treatment of cancer, some diseases, and for many medical applications. Dielectric Barrier Discharge Plasma (DBDP) is a type of plasma that has been used for the treatment of cancers in different researches. In this work (DBDP) was used to evaluate its effect on Colon Cancer Cell-line (CaCo Cell- line), through three doses depending on the time of exposure (40, 60, and 80 sec.). After exposure, the cell-line were cultured for 72 hours and followed by two types of analysis. The first was MTT assay for the determination of cell viability. The second was molecular analysis for two genes associated with cancers; Caspase 9 gene (apoptotic gene) and Bax gene (pro-apoptotic gene) through detection of their proteins. The results of the study proved that the DBD Plasma has a strong killing effect on the cancer cell-line (CaCo), and this effect increased with the time of exposure increased. The study proved also that; the effect of DBDP coming from its effect on the transcription of genes associated with cancer, where the study found that the degree of transcription of Caspase 9 and Bax genes was significantly increased as the result of the exposure. Therefore, the results of this study make us consider that DBD Plasma Device is a promised tool for the treatment of cancer, where the plasma promotes the process of apoptosis in cancer cells

Topological Properties of the Recursive Petersen Architecture

Abstract-The Petersen graph is gaining popularity as an interconnection network because of its several interesting properties. The recursive Petersen architecture is very compact and has some very interesting topological properties. In this paper, we study its topological properties in detail. Two labeling schemes are suggested. Basic routing and broadcasting have been discussed. The most attractive features are its logarithmic (to the base 10) diameter and high symmetry

A New Pipelined Systolic Array-Based Architecture for Matrix Inversion in FPGAs with Kalman Filter Case Study

<p/> <p>A new pipelined systolic array-based (PSA) architecture for matrix inversion is proposed. The pipelined systolic array (PSA) architecture is suitable for FPGA implementations as it efficiently uses available resources of an FPGA. It is scalable for different matrix size and as such allows employing parameterisation that makes it suitable for customisation for application-specific needs. This new architecture has an advantage of <inline-formula><graphic file="1687-6180-2006-089186-i1.gif"/></inline-formula> processing element complexity, compared to the <inline-formula><graphic file="1687-6180-2006-089186-i2.gif"/></inline-formula> in other systolic array structures, where the size of the input matrix is given by <inline-formula><graphic file="1687-6180-2006-089186-i3.gif"/></inline-formula>. The use of the PSA architecture for Kalman filter as an implementation example, which requires different structures for different number of states, is illustrated. The resulting precision error is analysed and shown to be negligible.</p