Scientists Have Developed a Wearable Ring That Repels Insects

 


Researchers at Martin Luther University Halle-Wittenberg (M L U) have created a novel insect-resistant delivery system. The active ingredient is first "encapsulated" and shaped into the right shape, like a ring. When worn, it releases a substance that is meant to keep mosquitoes away for a long time. The findings of the group were published in the International Journal of Pharmaceutics. 


For the development of their prototypes, the researchers made use of Merck's insect repellent "IR 3535" 



Mosquito sprays containing IR 3535 have been used for a long time and are very gentle on the skin. We've been using the agent for our experiments because of this, says M L U Professor René Androsch. 


It usually comes in the form of a spray or a lotion and keeps you safe for a few hours. But Androsch and his colleagues are looking for ways to release the agent over a much longer period of time, like encasing it in a ring or bracelet that can be worn. 


Using a specialized 3D printing process, insect repellent was carefully incorporated into a biodegradable polymer, and the resulting mixture was successfully shaped in a variety of ways. The study's lead author, Fanfan Du, a doctoral candidate at M L U, explains, "The basic idea is that the insect repellent continuously evaporates and forms a barrier for insects"


He explained that it typically comes in the form of a spray or lotion and offers protection for several hours. However, researchers were looking for an alternative that could prevent the use of such a spray for a considerable amount of time. Because of this, a wearable 3D-printed ring is now available


How Was The Ring Made

The team of researchers used a unique 3D-printing method to control, inject insect repellent into a biodegradable polymer, and shape a mixture of substances in a variety of ways, according to research that was published in the International Journal of Pharmaceuticals. Fanfan Du, a doctoral candidate at M L U, stated, "The basic idea is that the insect repellent continually evaporates and creates a barrier for the insects"



Temperature, concentration, and the structure of the polymer used all influence the rate at which the insect repellent evaporates. The team has concluded, based on numerous simulations and experiments, that the insect repellent will take well over a week to completely evaporate at 37 °C (98 °F), or body temperature. 


Although the study's rings and other forms are only prototypes, the researchers have demonstrated that a wearable insect repellent is possible. Androsch says that there needs to be more research done to find out how well the rings work in real life. The material used in the encapsulation could also be improved further


The most recent market research report from Techno, titled "Insect Repellent Market by Product and Geography—Forecast and Analysis 2022–2026", has been released. Although the researchers have demonstrated that it is absolutely possible to develop wearable insect repellents, the rings and other forms that were created for the study are only prototypes. 


AND R O S H says that more research needs to be done to find out how well the rings work in real life. The material for the encapsulation can be modified further

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