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Once these modifications are made, the printer can layer the enzymes and dye onto the filter paper. The data fit a linear trend with an R 2 of. Several conditions were tested by varying the volumes, buffers, and initially the measurement technique Table 2. Author information Copyright and License information Disclaimer. The color change on the printed strips was not as visually pronounced most likely due to the lower total dye and enzyme amounts on the current printed strip design. Sigma-Aldrich; April 26

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Improving diabetes care in resource-poor countries:

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A Low-Cost Inkjet-Printed Glucose Test Strip System for Resource-Poor Settings

Strips printed using an inkjet printer with the o-Dianisidine solution showed a visible response to glucose Figure 3. Once at the hospital or clinic, they can be mixed to form solutions, placed into empty ink cartridges, and printed onto filter paper. Results In condition 1 DI water solventthe plate reached near saturation at low concentrations of glucose. Therefore, ABTS was used as an alternative more stable dye. Since the test strips provide a visual indicator of blood glucose level, a meter is not strictly necessary for patient.

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