Sivakumar Shanmugam

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Design and synthesis of a novel tetraphenylethene-2-pyrone (TPEP) conjugate exhibiting donor-acceptor characteristics is reported. The localized frontier molecular orbitals (DFT studies) and the solvent polarity dependent photoluminescence characteristics directly corroborate the presence of intramolecular charge transfer character in TPEP. TPEP is poorly(More)
A novel substituted pyrenoylpyrroles was synthesized by the reaction of pyrenoyl chalcone, TosMIC and methyl iodide under mild condition. All the synthesized compounds were screened for their bioactivity, and the MIC was determined, among which few compounds showed moderate antibacterial activity toward Gram-positive as well as Gram-negative bacteria.(More)
The productions of laccase enzyme from four Ascomycetes species were studied in detail by in silico and in vitro analyses. Initial screening of crude enzyme showed complete oxidation of ABTS and Guaiacol after 7 days of incubation. Alternaria arborescence showed maximum production of enzyme (800U/l) at 30 C in 4.5 pH followed by Fusarium oxysporium (JQ(More)
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