R.  Prasad, Agawane, S. B., Chauhan, D. S., Srivastava, R., and Selvaraj, K., ?In vivo examination of folic acid-conjugated gold-silica nanohybrids as contrast agents for localized tumor diagnosis and biodistribution?, Bioconjugate Chemistry, vol.  29, no. 12, pp. 4012-4019, 2018.