| Info. | Vol.9 - No.2 (2015.06.20) |
|---|---|
| Title | Fabrication of a Paper-Based Analytical Device for Multiple Colorimetric Analysis via Inkjet-Printing and Paper-Cutting |
| Authors | Jun Ho Yu1, Seong-Gun Jeong2, Chang-Soo Lee2, Jun-Young Hwang1, Kyung-Tae Kang1, Heuiseok Kang1 & Sang-Ho Lee1,* |
| Institutions | 1Korea Institute of Industrial Technology, Ansan 426-910, Korea 2Chungnam National University, Daejeon 305-764, Korea |
| Abstract | We introduce a process for the fabrication of a paper-based analytical device (PAD) for multiple colorimetric analysis via paper- cutting and inkjet-printing. To create the selective flow channels, hydrophobic barriers were formed by using hydrophobic polyvinyl chloride tape-cutting and ultraviolet-curable resin printing. Multiple paper channels were isolated by the hydrophobic barriers on a single chip. An assay model was created from bovine serum albumin (BSA) and tetrabromophenol blue (TBPB) to verify the feasibility of the fabricated PAD. A multiple colorimetric analysis was demonstrated a reaction with different BSA concentrations after the TBPB regent was elaborately deposited onto the circular test spot areas by inkjet printing. |
| Keyword | Paper Chip, Colorimetric analysis, Cutting, Inkjet, Printing |
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