Having a proper check of your health is very important in order to live a happy and healthy life. There are various ways adopted by doctors and specialists to monitor the health of a human being. These methods include blood tests, ultrasounds, MRIs and others.

However, with the advancement in science, new technology has been incorporated which allows the monitoring of a human’s health through his or her sweat. A device has been developed that will check health conditions in a person’s body with the help of that person’s sweat. This device is designed by researchers at Penn State and Xiangtan University.

Sweat is an excellent chemical data source that can assist the doctors in examining the conditions inside a human body. Perspiration is rich with molecules consisting of both simply charged ions to complex ions and proteins. It can be used to diagnose various diseases and also determine how a drug is acting on a human body.

The assistant professor of mechanics and engineering science named Huanyu Cheng explained that they want to examine the sweat from the heat produced by the sun or through exercise because sweat has a tremendous amount of biomarkers such as glucose and pH which can help in finding out many diseases.

In order to make this device work, it will be placed in the body with the help of a patch. That patch will be located near the sweat glands. A small vial with several compartments will collect the samples. The opening of the device is crafted with silicone rubber in which each of the compartments has a hydrophobic plug.

The coating is done with hydrophilic material in order to accumulate perspiration easily. As compared to other devices, this one has particularly just one opening that minimizes the chance of evaporation, so that sweat can be stored for a long time for better analysis.

The on-the-spot examination can also be done by implementing the colorimetric approach. In this methodology, a color-coded material is applied in various compartments that react to the glucose or pH level. The response can be checked by smartphones or a naked eye. Apart from this, perspiration at different time periods can be analyzed by using different compartments.

Cheng claimed that contrary to the two-valve device, which needs photolithography and is more complicated, their device is much simpler and doesn’t require costly equipment. He said that it can be designed very budget-friendly through micromachining.