A biosensor can detect the state of health through sweat

Biomarkers are substances that can reveal disease, infection and even evidence of emotional trauma and can be found in a person’s bodily fluids such as sweat, tears, saliva and urine.

Now a Ohio State University research team you have successfully tested a device you might one day use chemical biomarkers in sweat to detect changes in health of a person.

In addition to analyzing the composition of sweat, the researchers believe this sensor could one day be customized as bioimplants and used to detect neurotransmitters and hormoneswhich could help identify ionic disorders in the cerebrospinal fluid associated with secondary brain injury or even lead to a new understanding of how the brain works.

The results of the study showed that the sensor did successfully detect glucose levels

Specifically, the study showed that the biochemical sensor detected the glucose level during exercise. To do this, the team made a “smart necklace” that, once placed around the neck, was used to monitor the glucose level of study participants while they exercised. The collar works by means of a resonance circuit that reflects the radio frequency signals sent by an external reading system.

After cycling indoors for 30 minutes, the participants took a 15-minute break, during which they drank sugary drinks, before resuming the activity.

The researchers knew that sweat glucose levels should rise after drinking the sugary drinks; the question was whether this new sensor would detect it.

The results showed that the sensor did successfully detect glucose levelssuggesting that it will work to control other important chemicals in sweat.

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“Sweat contains hundreds of biomarkers that can reveal very important information about our state of health. The next generation of biosensors will be so highly biointuitive and non-invasive that we will be able to detect key information contained in a person’s body fluids,” they assured.

Because health we all need…



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