Release date: 2016-02-24
The University of Freiburg, Germany, recently announced that the school's researchers have developed a new composite material that can be used for precise drug delivery under the skin. The human body does not adversely react to this material. Future new materials are expected to be used to treat diseases such as cancer.
The researchers used atomic layer deposition to implant zinc oxide into a polyethylene glycol film to form a hydrolyzable composite. This material film is only a few microns thick and its molecular structure is suitable for storing relatively large doses of drugs. In order to allow the drug to be accurately dispensed, the surface is also coated with two layers of conductive polymer.
The researchers visually portrayed the composite as a porous mesh with holes that open when negatively applied and closed when positively charged, allowing precise dose release control. Laboratory cell culture media tests have shown that the human body receives this new material implant without adverse reactions.
According to the researchers, the new material not only controls the amount of the drug effectively, but also stores a small amount of space in a small space compared to the existing subcutaneous drug application. Future new materials are expected to be used to treat diseases such as cancer. Related reports have been published in the British Science Report.
Source: Xinhua News Agency
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