In this manner the first type of {TAIL ~ nanoparticles} become bound to {HEAD ~ the substrate} 
In this manner the first type of { TAIL ~ nanoparticles } become bound to { HEAD ~ the substrate }
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD