It is believed that {TAIL ~ the nano ZnO particles} are interacting with the TiO2 to form {HEAD ~ a more efficient dispersion} 
It is believed that { TAIL ~ the nano ZnO particles } are interacting with the TiO2 to form { HEAD ~ a more efficient dispersion }
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD