For example, in addition to water, {TAIL ~ a substrate solution} may also contain a cosolvent such as dimethyl formamide, dimethylsulfonate, {HEAD ~ methanol} or ethanol, typically in a range of 1% 10%  
For example , in addition to water , { TAIL ~ a substrate solution } may also contain a cosolvent such as dimethyl formamide , dimethylsulfonate , { HEAD ~ methanol } or ethanol , typically in a range of 1 % 10 %
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH