Conventional thermal dryers often damage fragile hydrogels during {HEAD ~ the cohesive phase}, resulting in {TAIL ~ soluble oligomer formation} 
resulting in
Conventional thermal dryers often damage fragile hydrogels during { HEAD ~ the cohesive phase } , resulting in { TAIL ~ soluble oligomer formation }
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL