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. Author manuscript; available in PMC: 2017 Sep 15.
Published in final edited form as: Lab Chip. 2009 Mar 26;9(13):1951–1956. doi: 10.1039/b902124h

Fig. 1.

Fig. 1

(A) Material layout during molding of PUMA chip. 1: PDMS mold; 2: PUMA resin; 3: PTFE posts; 4: polypropylene sheet; 5: cellophane (or Aclar). (B) Two methods of interfacing PUMA chip with external tubing: 1: PUMA chip; 2: barb elbow connector; 3: polyurethane tubing; 4: additional resin to seal leak (Dymax 186M); 5: PTFE tubing; 6: polyolefin heat-shrink; 7: retaining ring.