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在微流体芯片上对抗菌碳水化合物进行快速评估,该芯片与阻隔度新糖蛋白生物传感器集成

Haijie Ji¹, Xueqiong Yang¹, Hang Zhou¹

¹The Ministry of Education Key Laboratory of Clinical Diagnostics, School of Laboratory Medicine, Chongqing Medical University, Chongqing 400016, China.

|September 27, 2023

概括

这项研究开发了一个带有生物传感器的微流体芯片,以测试碳水化合物的抗菌作用. 菲尼尔-曼和曼纳提德显示出强大的抗粘附特性,可以对抗沙门氏菌typhimurium.

科学领域:

生物材料科学生物材料科学
微流体学微流体学
细菌学细菌学是一门学科.

背景情况:

细菌殖民依赖于特定的粘附素-甘氨酸相互作用.
评估抗粘性碳水化合物对于开发新的抗菌药物至关重要.
传统的体外试验方法可能是缓慢而昂贵的.

研究的目的:

开发一种新的微流体装置,用于评估抗粘性碳水化合物.
评估各种碳水化合物对沙门氏菌的抗菌疗效.
展示一种快速,经济有效和方便的替代传统药物评估方法.

主要方法:

微流体芯片的制造与阻抗性新糖蛋白生物传感器.
在金纳米颗粒 (Au NPs) 上固定曼诺基化牛血清白蛋白 (Man-BSA),以创建一个生物纳米感应表面.
使用电化学阻抗光谱 (EIS) 来测量沙门氏菌的附性和碳水化合物的抗粘性有效性.

主要成果:

人-BSA/Au NPs表面有效地模仿了细菌粘附目标.
九种不同的碳水化合物被选出它们的抗粘性质.
4-甲基-α-D-pyran mannoside (Phenyl-Man) 和曼南 (Mannatide) 显示出强大的抗粘性活性,具有较低的IC50值.
微流体装置展示了多通道测试能力.

结论:

开发的微流体生物传感器系统对于评估抗粘性碳水化合物是有效的.
菲尼尔-曼和曼纳提德通过抑制细菌粘附,显示出作为抗菌剂的显著潜力.
这种创新方法为抗菌药物发现提供了一个快速,方便和成本效益的平台.

关键词:

人-BSA/Au NPs 的人-BSA/Au NPs 的人抗粘合碳水化合物抗粘合碳水化合物葡萄糖蛋白纳米感应表面阻隔度生物传感器生物传感器一个微流体芯片.

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