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