Research Article
Urine Test Strip Quantitative Assay with a Smartphone Camera
Table 1
Validation of urine test strips with the digital camera as an output sensor for standard assays.
| Marker | Urine test strip | Standard assay | Type of standard assay | Significant difference by ANOVA at |
| pH | 6.36 ± 0.19 | 6.41 ± 0.21 | Potentiometry | No | Glucose (mmol/L) | 10.6 ± 0.7 | 10.3 ± 0.5 | Spectroscopy | No | Human serum albumin (g/L) | 2.61 ± 0.31 | 2.56 ± 0.23 | Spectroscopy | No | Leukocyturia surrogated by lipase activity (U/μL) | 53.7 ± 4.3 | 56.2 ± 3.9 | Spectroscopy | No |
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