S.  Singh, Patel, P., Jaiswal, S., Prabhune, A., Ramana, C. V., and Prasad, B. L. V., ?Direct method for the preparation of glycolipid-metal nanoparticle conjugates: sophorolipids as reducing and capping agents for the synthesis of water re-dispersible silver nanoparticles and their antibacterial activity?, New Journal of Chemistry, vol. 33, no. 3, pp. 646-652, 2009.