The present invention relates to {TAIL ~ microfluidic devices}, and more particularly to systems and methods for operating {HEAD ~ microfluidic devices} 
The present invention relates to { TAIL ~ microfluidic devices } , and more particularly to systems and methods for operating { HEAD ~ microfluidic devices }
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD