一个滴滴器,简化了农场内检测食物传播病原体的方法
Mohsen Ranjbaran1,2, Simerdeep Kaur1,2, Jiangshan Wang1,2
1Department of Agricultural and Biological Engineering, Purdue University, West Lafayette, Indiana, United States of America.
PloS one
|December 31, 2024
概括
一个新的3D打印滴剂器精确地为农场核酸生物传感器提供小样本体积. 这种用户友好的设备可以提高病原体的检测,显示耐用性和准确性与商业工具相比较.
科学领域:
- 农业科学 农业科学
- 生物技术是生物技术.
- 分析化学 分析化学
背景情况:
- 核酸生物传感器可以在农场内检测新鲜农产品上的食物传播病原体.
- 用户友好是生产者采用的关键,但精确的样本量交付仍然是一个挑战.
研究的目的:
- 开发和验证3D打印的滴剂器,用于核酸生物传感器中精确的样品传递.
- 提高农场病原体检测系统的可用性和现场应用性.
主要方法:
- 开发了一种3D打印的滴剂器,用于微升样本体积 (∼20至∼33μL) 的水友表面处理.
- 评估了在长时间内分配器的耐用性和保质期.
- 通过循环介导同热放大 (LAMP) 验证了核酸测试的分剂器,以检测Escherichia coli O157.
主要成果:
- 滴水器的保质期大约为一个月.
- 在LAMP测试中,它取得了与商业管管道器可比的性能.
- 确立了7.8×10^6细胞/毫升的检测极限,用于检测Escherichia coli O157全细胞.
结论:
- 3D打印的滴剂器为农场核酸生物传感器中的样品输送提供了一个精确,用户友好和耐用的解决方案.
- 这项创新有可能显著提高基于现场的病原体检测系统的有效性.
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