Matches in UGent Biblio for { ?s ?p Halochromic (or pH-sensitive) textile materials can give an indication of the pH of the surrounding environment by a visible colour change and can therefore act as first signal systems. A possible application of this textile pH-sensor can be found in wound dressings. In addition to the use of traditional textile materials such as cotton gauze, nanofibrous nonwovens may provide benefits in medical applications. This paper discusses the development of pH-sensitive cotton fabrics by the combination of standard pH-indicator dyes with standard dyeing processes. Also halochromic polyamide nanofibres were produced by adding the pH-indicator dyes to the polymer solution. Both approaches were found to be promising. After the immobilization of the dye on a textile structure, still a clearly visible colour change was present for most of the dye-textile systems. It should however be noted that the behaviour of the pH-indicator dye was dependent on the medium in which it is incorporated.. }
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- aggregation abstract "Halochromic (or pH-sensitive) textile materials can give an indication of the pH of the surrounding environment by a visible colour change and can therefore act as first signal systems. A possible application of this textile pH-sensor can be found in wound dressings. In addition to the use of traditional textile materials such as cotton gauze, nanofibrous nonwovens may provide benefits in medical applications. This paper discusses the development of pH-sensitive cotton fabrics by the combination of standard pH-indicator dyes with standard dyeing processes. Also halochromic polyamide nanofibres were produced by adding the pH-indicator dyes to the polymer solution. Both approaches were found to be promising. After the immobilization of the dye on a textile structure, still a clearly visible colour change was present for most of the dye-textile systems. It should however be noted that the behaviour of the pH-indicator dye was dependent on the medium in which it is incorporated.".