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IJBB Vol.41(2&3) [April-June 2004] >

Title: Absorption spectral study of 3, 4-dihydroxy phenyl alanine (DOPA) with Nd (III) in aqueous medium
Authors: Bhatt, Prashant N
Pathak, Trupti V
Mehta, Jignasu P
Misra, Sudhindra N
Keywords: 4f-4f transitions
Nd (III)-DOPA interaction
Issue Date: Apr-2004
Publisher: CSIR
Abstract: Spectroscopic properties of Nd (III)-DOPA in aquated organic solvents are investigated through absorption difference and comparative absorption spectroscopy involving 4f-4f transitions. The change in coordination in different conditions is observed from the absorption intensity analysis when Nd (III) interacts with DOPA. The interaction induced substantial changes in the intensities of 4f-4f bands and their perturbation was reflected through oscillator strength Judd-Ofelt intensity (T) parameters. It is suggested that the changes in the oscillator strengths of different 4f-4f bands and Judd-Ofelt intensity (T) parameters can be used to predict in vivo intracellular complexation of DOPA with Ca(II) through Nd (III)-DOPA absorption spectral studies in-vitro as both Nd (III) and Ca(II) have unique similarity in their coordination behaviour.
Page(s): 123-127
ISSN: 0301-1208
Source:IJBB Vol.41(2&3) [April-June 2004]

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