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Central Instrumentation

Groups

Vision

The division supports in-house operation and maintenance of various sophisticated scientific instruments, video-conferencing system and audio-visual systems. Central instrumentation facilities consist of Electron Microscopes (Transmission and Scanning), NMR 300 MHz (Bruker) and NMR 600MHz, Mass Spectrometer. The division has facilities for UV/IR Spectrophotometers, Ultra Centrifuges and Super Speed Refrigerated Centrifuges. The division attempts to develop simple instruments for biological research like a cell fusion apparatus. In addition, the division carries out basic research in the field of nonlinear dynamics and explores synchronization in chaotic electronic circuits, biological systems and genetic networks.

New Development:

Our result on chaos synchronization is recently published in the Physical Review Letters (vol.100, p.234102, 2008). It proposed a robust method of synchronization, antisynchronization and amplification of chaos in coupled system under mismatch. The theory is strongly supported by electronics experiment.

Publications


 

  1. I.Grosu, E.Padmanaban, P.K.Roy, S.K.Dana, Designing coupling for    synchronization and  amplification of chaos, Physical Review Letters 100,234102 (2008).
  2. A.Prasad, S.K.Dana, R.Karnatak, J.Kurths, B.Blasius, R.Ramaswamy, Universal occurrence of phase-flip bifurcation in time delay coupled systems,  Chaos 18, 023111 (2008).
  3. I.T.Tokuda, S.K.Dana, J.Kurths, Detecting Anomalous phase synchronization  from time series, CHAOS  18, 023134 (2008).
  4. S. K. Dana, D.C.Sengupta, K.Edoh, Chaotic dynamics in Josephson junction, IEEE Trans. Circuits Systs.-I,, 48 (8), 990-996, 2001
  5. P. K. Roy, S. Chakraborty, S. K. Dana, "Experimental observation on the effect of coupling on different synchronization phenomena in coupled Chua's oscillators," CHAOS, 13 (1), 342-355, 2003.