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