Extraction and measurement of urinary tetranor-PGDM in disposable diapers
Urinary tetranor-PGDM is a useful diagnostic biomarker for food allergy which often affects infants. We attempted to extract and measure urinary tetranor-PGDM absorbed in polymer of diapers. We applied CaCl2 to the collected polymer, determined the adequate time length of shaking the polymer to rele...
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| Main Authors: | , , , , |
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| Format: | Book |
| Published: |
Elsevier,
2021-10-01T00:00:00Z.
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| Online Access: | Connect to this object online. |
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| Summary: | Urinary tetranor-PGDM is a useful diagnostic biomarker for food allergy which often affects infants. We attempted to extract and measure urinary tetranor-PGDM absorbed in polymer of diapers. We applied CaCl2 to the collected polymer, determined the adequate time length of shaking the polymer to release urine, and measured tetranor-PGDM in the extracted urine. This procedure provided high linearity and recovery rate in tetranor-PGDM measurement. We also found that urinary tetranor-PGDM was stable for 24 h at 4°C in diapers. This method can be useful to monitor the food allergic condition of non-toilet trained children. |
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| Item Description: | 1347-8613 10.1016/j.jphs.2021.06.011 |