No assignee for patent application serial number 405243 has been made.
News editors obtained the following quote from the background information supplied by the inventors: "The embodiments herein generally relate to a wound dressing and particularly to a nano-composite wound dressing. The embodiments herein more particularly relate to a controlled drug release wound dressing that is sensitive to infection. The embodiments herein also relate to a method of synthesizing the nano-composite wound dressing.
"Many microorganisms like bacteria, viruses or fungi can cause infection in wounds. Most of the infectious wounds begin with bacteria invasion like staphylococcus and Pseudomonas bacteria. Polluted water, dust or other materials help the bacteria to create infection. The most important method of preventing infection is using antibiotics.
"The smart hydrogel with response to infection has been introduced by
"Wound dressings cover the wounds and improve the wound repair conditions. Mechanical properties of these covers, for example, tensile strength, elongation, adherence and stiffness are the most important factors in the study of functional wound dressings. An ideal wound dressing should full-fill all the desired mechanical properties, optimum humidity on the wound surface and speeding up the repair process/mechanism.
"The gels or nanocomposite hydrogels are similar to other polymer-clay nanocomposites in a distribution of layer clay silicates in their structures. The clay layers can distribute in a gel matrix among three ways: 2-phases micro-composites, diffusion nanocomposites, and diffusion nanocomposites with layer clay silicates. There are some major differences in the order of polymeric chains structure of nanocomposite gels in comparison with other nanocomposite materials. There are some cross linking of polymeric chains in the clay layers and also inside the chains in the nanocomposite gels. These linking provide a complex 3D structure with the association of clay layers. In most cases, an order of silicate layers is disrupted by cross linking the nanocomposite gels. Therefore, these nanocomposite materials usually have a penetrative structure with a change of silicate clay layers structure.
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