Scientists in Toronto created a smart T-shirt which is said to monitor the respiratory rate of the person who is wearing. It is also surprising to know how a T-shirt can monitor the respiratory rate of a person without any wires or sensors embedded. Such T-Shirts can be used to diagnose respiratory illness or monitor the people who are suffering from asthma, chronic obstructive pulmonary disease or sleep apnea.
The shirt is said to be made of fibre which is covered in a polymer which protects it against the environment. The chest part has an antenna sewn inside the T-Shirt which is made up of a hollow optical fibre coated with a thin layer of silver on its inner surface. However, it does not have any wires or sensors but works in real time.
Researchers said that, when a person wearing the T-Shirt breathes in, the smart fibre senses the increase in both thorax circumference and the volume of air in the lungs. These changes modify some of the resonant frequency of the antenna. This data is then sent to the user's smartphone or a nearby computer making it user efficient. The T-shirt does not need to be tight or in direct contact with the wearer's skin.
Messaddeq said "Our tests show that the data captured by the shirt is reliable, whether the user is lying down, sitting , standing , or moving around, The oscillations that occur with each breath are enough for the fibre to sense the user's respiratory rate".
He also added saying "For testing the T-Shirts durability researchers washed it for about 20 times with water and detergent. Surprisingly the antenna withstood the water and the detergent and was still in good working condition".
This invention is also said to be very useful as it can report the respiratory changes instantly preventing the loss of life.
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