Wearable sweat sensor could help diagnose disease

Wearable sweat sensor could help diagnose disease: HumSub.TV

Wearable sweat sensor could help diagnose disease: HumSub.TV: An ultra-sensitive, wearable sweat sensor may improve diagnosis and treatment of cystic fibrosis, diabetes and other conditions, researchers said on Monday.

Unlike previous sweat sensors, the new model requires only a trace of moisture to do its job and doesn’t require patients to sit still for 30 minutes while it collects sweat. “This is a huge step forward,” said co-author Carlos Milla, associate professor of pediatrics at Stanford University.

The wearable device, designed in collaboration with researchers at the University of California, Berkeley, contains flexible sensors and microprocessors that stick to the skin and stimulate sweat glands. It detects the presence of different molecules and ions – for instance, sweat that contains more chloride generates a higher electrical voltage at the sensor’s surface.

A wearable device that extracts sweat and analyzes its constituents to monitor health and disease. Photo: Stanford School of Medicine

High chloride ion levels may indicate cystic fibrosis, while high blood glucose levels are a sign of diabetes. The sensor electronically transmits the results for analysis and diagnostics, according to the report in the Proceedings of the National Academy of Sciences.

Researchers hope the sensor might one day aid drug development and drug personalisation for cystic fibrosis, a genetic disease that causes mucus to build up in the lungs and pancreas, and which is notoriously hard to treat.

“CF drugs work on only a fraction of patients,” said Sam Emaminejad, who is now an assistant professor of electrical engineering at University of California, Los Angeles (UCLA).

“Just imagine if you use the wearable sweat sensor with people in clinical drug investigations,” he said. “We could get a much better insight into how their chloride ions go up and down in response to a drug.”

More research is needed to see if the wearable sweat sensor would work consistently from one day to the next, since the contents of a person’s sweat can change frequently based on diet and other factors.
Researchers also hope to learn more about which molecules in sweat can be mapped and may provide the most useful information.

Wearable sweat sensor could help diagnose disease: HumSub.TV

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HumSub TV is the first channel and thus a pioneer within its own right that mainly focuses on emphasising the “Rights” as well as the “Obligations” of the citizens in light of the Constitution of Pakistan, numerous International declarations signed by the Government and various laws that have been promulgated over the years but are not in the knowledge of the common citizen.
HumSub TV also aims to enter into bilateral agreements with other countries to promote not only their culture, heritage and tourism, but also their educational and medical facilities.
Following the successful launch of HumSub TV’s head office in Blue Area, Islamabad; the bureau office has been set up in Lahore.

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HumSub TV’s Theme
HumSub TV, Pakistan’s first EDUTAINMENT Channel, has been set up for not only those audience residing in Pakistan or overseas but the international community on the whole. The vision of the channel is to project positive image building of Pakistan and inculcate nationalism as per the vision of the founder of the nation.

HumSub TV strives to make a positive contribution to this end by promoting pluralism, inclusiveness and egality in Pakistan and give voice to the suppressed. It endeavors to act as a positive catalyst for social change and Pakistani nationalism. It envisions providing a platform for airing critical and lateral thinking and collective wisdom by inviting positive minded intellectuals and opinion forming individuals for the promotion of interfaith harmony and peace in the social, political and economic development of Pakistan.

Whereas the channel airs upbeat edutainment programmes, it, nonetheless, has the primary objective of countering negative anti-Pakistan regional and international propaganda as well as advancing fundamental rights as encapsulated in the Constitution of Pakistan.

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