Created a biosensor that stimulates the secretion of sweat when the person is relaxed
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Relatively recently, scientists monitor the health of the human body, exploring the composition of its secretions . This led to the creation of a truly advanced biosensors that are able to extract from aqueous solution of salts of a huge amount of useful information. But what to do when a person does not sweat? For example, he is relaxed, and the ambient temperature is quite comfortable. In such cases, the technology simply useless. But scientists have managed to create a new generation of biosensor that may cause sweating of the skin area on which it is fixed.
Monitoring sweat composition in real time allows you to monitor a huge number of possible chemical compounds associated with health. For example, diabetics will be able to see the current glucose levels, people taking drugs, will be able to track the level of drug concentration in the blood. But if you had to work the sensor people had to perform different physical exercise to increase perspiration, but now he will not have to do anything at all. Smart sensor will set it up for him.
Scientists went through more than a dozen ways that provoke sweating before finding the most suitable for their purpose. A device the size of an ordinary patch stimulates sweating with the help of chemical compounds of carbachol, which is used in the manufacture of eye drops. The sensor contains two gel pads consisting of this substance, which is comfortable in contact with the skin. Carbachol into the upper layers of the skin using iontophoresis: a physical process of migration of charged ions under the action of constant current of a small magnitude.
Thanks to this invention in the near future the market can come handy sensors, is able to significantly improve the quality of life of people suffering from various diseases, or simply wish to be aware of what is happening with their body. It's really wonderful real-time to monitor any changes that previously could be seen only after the collection and analysis of blood. The invention is already interested in the us military. First, the sensors want to test in the pilots, in real-time by measuring the levels of cortisol (the stress hormone) in their blood.
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