Martin-Luther-Universitt Halle-Wittenberg is located in Halle, Germany.
Scientists from the Martin Luther University Halle-Wittenberg have created a new type of delivery device. With the help of a 3D printer, the active ingredient is first encapsulated and formed into a ring, which can be worn and released an agent designed to repel mosquitoes. The international journal of pharmaceutics has a team presenting their work.
The prototypes were developed using "IR3535." mosquito sprays are very gentle on the skin and have been used all over the world for a long time. The MLU has been using the agent for their experiments. It can be applied as a spray or a lotion. The team is looking for a way to release the agent over a long period of time, such as by wearing a ring or bracelet.
The researchers used a special 3D printing technique to create a mixture of substances with different shapes. Fanfan Du is a PhD candidate at the MLU and is the lead author of the study.
The rate at which the insect repellence is evaporates depends on a number of variables. After conducting various experiments and simulations, the team believes that the insect repellent needs a week to evaporate completely at a temperature of 37C.
The rings and other forms created for the study are only prototypes, despite the fact that the researchers have proven that it is possible to develop a Wearable Insect Repel. Further research needs to be done to determine how well the rings work. The material may be further improved.
More information: Fanfan Du et al, 3D-printing of the polymer/insect-repellent system poly(l-lactic acid)/ethyl butylacetylaminopropionate (PLLA/IR3535), International Journal of Pharmaceutics (2022). DOI: 10.1016/j.ijpharm.2022.122023 Provided by Martin-Luther-Universität Halle-Wittenberg
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