The coatings can be used for the delivery of {HEAD ~ an active ingredient} or a combination of {TAIL ~ active ingredients} 
The coatings can be used for the delivery of { HEAD ~ an active ingredient } or a combination of { TAIL ~ active ingredients }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL