P.  Dubey, Kumar, S., Aswal, V. K., Ravindranathan, S., Rajamohanan, P. R., Prabhune, A., and Nisal, A., ?Silk fibroin-sophorolipid gelation: deciphering the underlying mechanism?, Biomacromolecules, vol. 17, no. 10, pp. 3318-3327, 2016.