In another aspect, the present disclosure provides {HEAD ~ methods} for detecting or measuring {TAIL ~ an enzyme activity} 
for measuring
In another aspect , the present disclosure provides { HEAD ~ methods } for detecting or measuring { TAIL ~ an enzyme activity }
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL