一个以毛细管为基础的离心指标,配备了in situ致病细菌培养物,用于快速抗微生物敏感性测试
Longyu Chen1, Meijia Zhu1, Zhiyong Wang2
1Institute of Eco-Environmental Forensics, School of Environmental Science and Engineering, Shandong University (Qingdao), Qingdao, Shandong, 266237, China. chengyongqiang@sdu.edu.cn.
The Analyst
|March 15, 2024
概括
一个新的基于毛细血管的离心指标 (CBCI) 能够快速进行抗微生物敏感性测试 (AST). 这种具有成本效益的方法加速了致病细菌的结果,有助于打击抗微生物药物耐药性.
科学领域:
- 生物医学工程 生物医学工程
- 微生物学 微生物学
- 临床诊断 临床诊断 临床诊断
背景情况:
- 抗生素耐药性 (AMR) 是一个重要的全球卫生危机,由滥用抗生素驱动.
- 有效的抗微生物敏感性测试 (AST) 对于对抗AMR至关重要.
研究的目的:
- 为AST开发一种快速,负担得起和高效的方法.
- 为表型AST创建一个用户友好的平台.
主要方法:
- 基于毛细血管的离心指标 (CBCI) 的开发,用于集成的细菌培养和AST.
- 使用离心法将细菌集中在毛细管柱中,高度与细菌数量相关.
- 通过比较药物治疗和对照组之间的毛细血管柱高度来确定最小抑制度 (MIC).
主要成果:
- CBCI平台在3.5小时内展示了快速的E. coli AST结果.
- 临床样本的结果与医院报告一致.
- 该方法允许对AST结果进行视觉或基于智能手机的确定,从而消除了对复杂设备的需求.
结论:
- CBCI提供了一种简化和加速的方法来表型AST.
- 这项技术有可能成为管理抗菌素耐药性的有价值工具,特别是在资源有限的环境中.
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