{HEAD ~ Chemical sensors} for detecting {TAIL ~ analytes} in fluids comprise first and second conductive elements electrically coupled to and separated by a chemically sensitive resistor which provides an electrical path between the conductive elements 
{ HEAD ~ Chemical sensors } for detecting { TAIL ~ analytes } in fluids comprise first and second conductive elements electrically coupled to and separated by a chemically sensitive resistor which provides an electrical path between the conductive elements
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