Perera,Hasini.R2025-02-172025-02-172019-01https://dr.ichemc.ac.lk/handle/123456789/227Page 29-31Since its inception in the early 21st century, paper based sensors have evolved as good alternative for analytical, bioanalytical and point-of-care testing over traditional analytical instruments because they are easy to use, portable, require small volumes of reagents and samples, provide rapid analysis and are inexpensive and disposable.enbased sensorsanalyticalbioanalyticalanalytical instrumentsArticle