Recently, researchers from Nanchang University have developed a capsule that can be used in bandages that contains antimicrobials. With this capsule, users can control their activity to help them fight resistant bacteria.
The smart bandages contain silver nanoparticles (AgNPs) that are wrapped in a layer of carbon under a layer of phosphate buffered saline (PBS). Users simply press the bandage, it will lead to layers of interaction, the release of antibacterial silver particles resistant to a variety of bacterial strains of bacteria in the 21st century is an increasingly common human, more and more dangerous threats . To do this, doctors needed an innovative device to provide antibacterial agents precisely and instantly, making the bacteria unacceptable.
Recently, Professor Wang Xiaolei and his colleagues at Nanchang University School of Chemistry developed a special antibacterial material, this material is mainly a silver nanoparticles are enclosed in the carbon film can be used as a switchable capsule. It is understood that this supramolecular capsule can regulate the activity of antibacterial silver particles, so it has three different switchable modes - packaging, on and off. In addition, it is particularly worth mentioning that this material can also be 3D printed into a variety of shapes, for a wide range of uses, such as training bottle smart caps and so on.
Use this material 3D printed culture bottle intelligent antibacterial cap
Professor Wang Xiaolei said that they have observed an unexpected phenomenon in the transmission electron microscope images, and thus obtained this result. In microscopic images, these capsules seem to resemble plastic wrap for everyday packaging.
In order to verify the characteristics of these capsules, Wang Xiaolei's research team combined them with plaster. The resulting smart bandage consisted of two layers: the top layer contained sterile phosphate buffered saline and the bottom layer contained the antibacterial capsule. Simply pressing the user will cause the interaction between the layers to release the active silver particles, the color of the bandage from white to orange, showing the bandage is open. And if these silver particles together the antibacterial effect of closure.
David Mills, a bio-active therapist from Louisiana Tech University, said he was impressed with the results of the study, saying the switchable antimicrobial device is an excellent example of a blend of nanotechnology, chemistry and materials science, The medical field of influence. "The king's team is helping to bring about a future where healthcare uses an on-demand, highly personalized approach that can tailor treatment to the individual patient's individual." Click here for a paper on the study.
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