Koel mallick biography of christopher columbus
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Abstract
Nanostructures-assisted laser desorption/ionization mass spectrometry (NALDI-MS) is gaining attention for the analysis of a wide range of molecules. In this present investigation, Pseudostaurosira trainorii mediated biosynthesized iron-oxide nanoparticles (IONPs) have been utilized as nanostructures assisting ionization and desorption for laser desorption/ionization mass spectrometry (LDI-MS). The chain forming diatom, P. trainorii showed efficiency in the production of IONPs against 0.01 M Fe+3 (pH 2) aqueous solution at the intracellular and extracellular level. The whole biomass and external media turned dark orange in color after 3 days of reaction with Fe3+ solution. Scanning electron microscopic (SEM) images illustrated that the surface of Fe3+ exposed frustules of P. trainorii were entirely covered by synthesized nanostructures contrasting with the natural surface ornamentation of control cells. The IONPs loaded frustules also exhibited catalytic properties by decolorizing yellow colored nitrophenol after 3 h of reaction. Transmission electron microscopic (TEM) images confirmed that the produced particles are spindle-shaped with ~50–70 nm length and ~10–30 nm width. The biogenic IONPs were utilized as an inorganic matrix in LDI-MS and showed high s
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Gaurav Chakrabarty
Indian actor (born 1987)
Gaurav Chakrabarty is an Indian Bengali-language film and television actor best known for his portrayal of the character Prodipto Lahiri in the Bengali musical television series Gaaner Oparey that aired on Star Jalsha from 28 June 2010 to 16 April 2011.[1] Chakrabarty is also known for acting in the Bengali classic periodic thriller television series Byomkesh (2014-2015), where he played the role of iconic Bengali detective Byomkesh Bakshi. He hails from a family which has had a legacy of association with the Bengali cultural arena, starting from Jochhon Dastidar and Chandra Dastidar (his paternal great uncle and aunt), Bijon Bhattacharya (his paternal great uncle), Jagadish Chandra Chakrabarty and Monika Chakrabarty (his paternal grandparents), and his parents Sabyasachi Chakrabarty and Mithu Chakrabarty. He debuted on the big screen Kaushik Ganguly's Rang Milanti one of the most appreciated films of 2011.
Calcutta Times voted him as one of the 10 Most Desirable Men in 2015.[2]
Education
[edit]Chakrabarty had his schooling at the Assembly of God Church School in Kolkata. He subsequently earned a degree in Mass Communication and Videography from St. Xavier's College, Kolkata and completed his pos