A wound discharged liquid which has both blood and blood serum is called Serosanguineous. Body produces pus as a reflection for infection. It is a combination of blood cells, bacteria and tissue debris.
In case of a chronic wound, bacteria make Biofilm which ends with some Glue-like Matrix.

At this very moment, we can measure Urea, Temp and Humidity on the App and we will soon be able to measure other parameters by new sensors added to the unit.
Sensivity of the all sensors are chosen to be in the required range to check the wound conditions regularly. Thus a patient can enjoy the peace of mind about his chronic wound.