Kuvempu University

About: Kuvempu University is a education organization based out in Shimoga, India. It is known for research contribution in the topics: Cyclic voltammetry & Carbon paste electrode. The organization has 1575 authors who have published 2210 publications receiving 39755 citations. The organization is also known as: KU.

Inducible protective processes in animal systems VI. Cross-adaptation and the influence of caffeine on the adaptive response in bone marrow cells of mouse

Abstract: The effect of caffeine (CAF) (a replicative DNA synthesis inhibitor) given as pre-, inter- and post-treatments on the ethyl methanesulfonate (EMS)-induced adaptive response in in vivo mouse bone marrow cells was studied in order to understand the influence of CAF on the adaptive response. The pre-treatment was given 4 h before a combined treatment with EMS (conditioning + challenge) and in another set CAF was given as a conditioning dose and 4 h later the cells were challenged with a high dose of EMS. In the inter-treatment, CAF (40 mg/kg body wt) was administered 2 or 4 h after the conditioning dose of EMS and 6 or 4 h later the cells were challenged with a high dose of EMS. Similarly, in the post-treatment experiments, CAF was injected 6, 12 or 18 h after a combined treatment with EMS. The results revealed that the pre-, inter- and post-treatments with CAF significantly reduced the frequency of chromosomal aberrations compared with the challenge and combined treatments with EMS. It is interesting to note that CAF pre-treatment resulted in a much greater reduction in chromosomal aberrations compared with the inter- and post-treatments. Thus, this is an example of cross-adaptation induced by CAF in EMS-treated in vivo mouse bone marrow cells and the results also demonstrate an influence of CAF on the adaptive response.

Improved Chirp Modulation Spread Spectrum Receiver Based on Fractional Fourier Transform for Multiple Access

Abstract: The fractional Fourier transform (FRFT) is one among the most efficient techniques for digital signal processing of linear frequency modulated (LFM) signal applications. Chirp (or LFM) modulation spread spectrum (CMSS) with FRFT technique is employed for demodulation of the multiple access System. The concept of multiple access is based on the use of multiple chirp signals, with different chirp rate, as carrier signal for transmission. Corresponding receiver is designed with optimal ordered FRFT block with multiplicative filter to reduce the interference. Additive white Gaussian noise (AWGN) is considered as a channel noise for evaluation of performance. Bit error rate (BER) is taken as a measure of performance with different signal to noise ratio and the results are compared with those reported in literatures. The details of the simulation techniques employed and the results of the novel receiver are presented and discussed.

Magnetohydrodynamic squeezing two-phase flow of particulate suspension in a rotating channel with transpiration cooling:

Abstract: This article addresses the time-dependent two-phase magnetohydrodynamic squeezing flow of dusty liquid. The fluid flow is considered in a rotating channel. The flow is constructed by squeezing of a...