%0 Journal Article %T Photophysical Study of 1,5 ¨C Diaminoanthraquinone in Different Solvents and at Various pH %A P. Sivakumar %A S. Kothai Nayaki %A M. Swaminathan %J Journal of Chemistry %D 2007 %I Hindawi Publishing Corporation %R 10.1155/2007/282979 %U http://dx.doi.org/10.1155/2007/282979