Portable Test for Melamine in Urine
Author Information
Author(s): Ko Cheng-Hao, Kong Wei-Yi, Kabiso Abel Chernet, Chiu Wei-Huai, Tadesse Ashenafi Belihu, Hong Chitsung, Wu Chia-Fang, Lin Hung-Hsun
Primary Institution: Graduate Institute of Automation and Control, National Taiwan University of Science and Technology
Hypothesis
The study aims to develop a portable immunoassay platform for rapid and accurate detection of melamine in urine samples.
Conclusion
The ONE InstantCare platform provides a sensitive and rapid method for detecting melamine in urine, significantly improving food safety monitoring.
Supporting Evidence
- The platform achieved a limit of detection of 1.91 ppb for melamine.
- Validation with 24 human urine samples showed strong concordance with LC-MS.
- The intraclass correlation coefficient was 0.9220, indicating high reliability.
- The device provides results in approximately 10 minutes, significantly faster than traditional methods.
- High reproducibility was observed with an intraday coefficient of variation of 6.53%.
- Interference studies confirmed reliability in the presence of common biological substances.
- The platform enhances food safety surveillance and human health risk assessments.
- It is a cost-effective and user-friendly solution for melamine detection.
Takeaway
This study created a new device that can quickly check for melamine in urine, which is important for keeping food safe.
Methodology
The study used a portable immunoassay analyzer integrated with a SpectroChip for melamine detection in urine samples.
Limitations
The study primarily focused on melamine detection and did not explore long-term health effects of melamine exposure.
Participant Demographics
Human urine samples were collected from melamine manufacturing workers.
Statistical Information
P-Value
0.001
Confidence Interval
95%
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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