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Table 1 Key features for the developed smart catheter microsensors.

From: Monitoring the Injured Brain

Parameter Working principle Resolution Accuracy Range
Pressure Polysilicon diaphragm 0.1 1 0–50 mmHg
  based    
Temperature Resistance temperature 0.03 0.1 25−45°C
  detector    
Flow Thermal diffusion — periodic heating 0.25 5 0–200 mL/100g-min
Oxygen Electrochemical 0.2 1 0–160 mmHg
Glucose Electrochemical 0.01 0.05 0.03–10 mmol/L
Lactate Electrochemical 0.006 0.1 0.02–8 mmol/L
Glutamate Electrochemical 0.1 1.5 3–150 nmol/L
ECoG Depth electrode 0.01 0.02 0–200 mV