User profiles for T. K. Sengupta

Tapan K. Sengupta

- Verified email at iitism.ac.in - Cited by 4274

Tapas Sengupta

- Verified email at iiserkol.ac.in - Cited by 2182

Analysis of central and upwind compact schemes

TK Sengupta, G Ganeriwal, S De - Journal of Computational Physics, 2003 - Elsevier
Central and upwind compact schemes for spatial discretization have been analyzed with
respect to accuracy in spectral space, numerical stability and dispersion relation preservation. …

Global spectral analysis: Review of numerical methods

…, YG Bhumkar, S Sengupta, A Sengupta, TK Sengupta - Computers & …, 2023 - Elsevier
The design and analysis of numerical methods are usually guided by the following: (a) von
Neumann analysis using Fourier series expansion of unknowns, (b) the modified differential …

Overexpression of nucleolin in chronic lymphocytic leukemia cells induces stabilization of bcl2 mRNA

Y Otake, S Soundararajan, TK Sengupta, EA Kio… - Blood, 2007 - ashpublications.org
B-cell chronic lymphocytic leukemia (CLL) is characterized by the accumulation of clonal B
cells that are resistant to apoptosis as a result of bcl2 oncogene overexpression. Studies …

Spurious waves in discrete computation of wave phenomena and flow problems

TK Sengupta, YG Bhumkar, MK Rajpoot… - Applied Mathematics …, 2012 - Elsevier
In the present work, we focus on spurious propagating disturbances (q-waves). To establish
the existence of q-waves in computations, we compare properties of different numerical …

Rapid inhibition of interleukin-6 signaling and Stat3 activation mediated by mitogen-activated protein kinases

TK Sengupta, ES Talbot, PA Scherle… - Proceedings of the …, 1998 - National Acad Sciences
Gene activation and cellular differentiation induced by interleukin-6 (IL-6) and transcription
factor Stat3 are suppressed by several factors, including ionomycin, granulocyte/macrophage-…

Suppression of vortex shedding behind a circular cylinder by another control cylinder at low Reynolds numbers

A Dipankar, TK Sengupta, SB Talla - Journal of Fluid Mechanics, 2007 - cambridge.org
… are discussed in Sengupta (2004) – that and Sengupta, Ganeriwal … are discussed in Sengupta
(2004) and Sengupta, Talla & … high-resolution compact scheme of Sengupta et al. (2003b) …

Error dynamics: beyond von Neumann analysis

TK Sengupta, A Dipankar, P Sagaut - Journal of Computational Physics, 2007 - Elsevier
The propagation of a signal in a continuous medium and the associated evolution of error is
of prime importance in many applications of applied physics. There have been many efforts …

[HTML][HTML] Identification of nucleolin as an AU-rich element binding protein involved in bcl-2 mRNA stabilization

TK Sengupta, S Bandyopadhyay, DJ Fernandes… - Journal of Biological …, 2004 - ASBMB
bcl-2 mRNA contains an AU-rich element (ARE) that functions in regulating bcl-2 stability. Our
earlier studies indicated that taxol- or okadaic acid-induced bcl-2 mRNA destabilization in …

[HTML][HTML] Biofilm-mediated enhanced crude oil degradation by newly isolated Pseudomonas species

D Dasgupta, R Ghosh, TK Sengupta - International Scholarly Research …, 2013 - hindawi.com
The bioavailability of organic contaminants to the degrading bacteria is a major limitation to
efficient bioremediation of sites contaminated with hydrophobic pollutants. Such limitation of …

[HTML][HTML] Singlet oxygen mediated DNA degradation by copper nanoparticles: potential towards cytotoxic effect on cancer cells

GP Jose, S Santra, SK Mandal, TK Sengupta - Journal of …, 2011 - Springer
The DNA degradation potential and anti-cancer activities of copper nanoparticles of 4-5 nm
size are reported. A dose dependent degradation of isolated DNA molecules by copper …