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15:30 Mar 16, 2018
English to Portuguese translations [PRO] Tech/Engineering - Chemistry; Chem Sci/Eng
English term or phrase:\"plug\"
Importantly, the pattern needs to be contacted with liquid in a suitable fashion to produce a functional gas phase seal . For example, by actuating a liquid plug across the pattern, thus depositing liquid micro-droplets on the hydrophilic features. Once the liquid plug has contacted all features on the array, the liquid inlet and outlet needs to be blocked such as to provide a closed environment. This may be achieved in a number of ways, for example (I) by having installed valves at the liquid inlet and outlet or (II) by synchronizing the liquid flow such that the first liquid plug is followed by a second plug, the first one being actuated to the liquid outlet and then stopped, the second being actuated into the liquid inlet, thus blocking inlet and outlet with liquid . In this way, the evaporated liquid from the droplets will establish the saturation pressure in the flow compartment and hence become evaporation resistant. This is exemplified in Examples 1 and 2.