基于NV中心化纳米钻的敏感和定量生物传感技术,应用于横向流量测定
Baptiste Vindolet1, Fadoua Sallem2, Agathe Perré2
1KWAN-TEK, 1 Rue Galilée Espace Innova, 56270, Ploemeur, France. baptiste.vindolet@kwan-tek.com.
Scientific reports
|February 3, 2026
概括
这项研究引入了一种使用纳米钻石中空位 (NV) 中心用于增强侧流检测 (LFA) 的新生物标志物检测方法. 这种基于NV的LFA提供了灵敏的定量检测,性能优于传统标签.
科学领域:
- 纳米技术 纳米技术
- 生物标志物检测检测 生物标志物检测
- 钻石量子技术 钻石量子技术
背景情况:
- 侧流检测 (LFA) 由于其简单性和低成本,被广泛用于快速诊断.
- 传统的LFA标签往往缺乏某些应用所需的灵敏度和定量.
- 钻石中的空 (NV) 中心为先进的传感提供了独特的光物理特性.
研究的目的:
- 开发和验证使用NV中心的创新生物标志物检测技术.
- 应用NV-doped纳米钻石 (ND) 作为标签在侧向流量测试 (LFA) 的概念验证.
- 量化比较基于NV的LFA与传统LFA标签的性能.
主要方法:
- 具有NV中心的纳米钻石的功能化,用于作为LFA标签.
- 开发基于NV的LFA设置,用于生物标志物检测.
- 使用癌症抗原检测进行实验验证.
- 与标准LFA标签进行比较分析.
主要成果:
- 证明NV-doped纳米钻石作为坚固且可功能化的LFA标签.
- 在广泛的动态范围 (pg/mL到mg/mL) 中实现了生物标志物的敏感和定量检测.
- 提供了第一个验证基于NV的LFA与传统标记物的实验性比较.
结论:
- 基于NV的LFA技术成功地将传统LFA的优势与增强的灵敏度和量化相结合.
- 这种方法为生物医学,农业食品和生态毒理学领域的各种诊断应用提供了一个有希望的平台.
- NV-doped纳米钻石代表了高级LFA开发的传统标签的优越替代品.
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