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Highly Expandable Portable Gravity-Driven Multiplexable Raman Sensor

delete2025-12-01
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PRE
AI
Y
Yujie Qiu
W
Wang, Luzhou
Z
Zichun Le *
DOI:10.1109/JPHOT.2025.3633421delete
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摘要

摘要

En 中文
微流控技术因其高通量、所需样品量少和快速传质等优点,有望作为下一代医疗检测技术取代传统医疗检测方法。然而,微流控芯片大多需要蠕动泵提供压力以输送样品,这限制了其即时检测能力和便携性。本文开发了一种适用于刚性及柔性基底的、基于重力驱动的液滴式微流控多通道拉曼传感器。此外,还提出了其制备方法。所开发的基于重力驱动的多通道拉曼传感器易于制造、厚度薄、成本低,且无需外部能量输入。通过使用孔雀石绿对所开发传感器的性能进行表征,在633 nm激光照射下,可检测最低10⁻⁸ mol/L的孔雀石绿。此外,我们还优化了其尺寸,同时保留了易于制造、经济性和薄型等优良特性。所提出的传感器为便携式芯片上液滴检测提供了一种新的视角。
Keyword:
Substrates
Silicon
Microfluidics
Multiplexing
Etching
Resists
Liquids
Coatings
Surface topography
Nitrogen
Miniaturized fluidic systems
simultaneous analysis of multiple samples
Raman spectroscopy-based detection
miniature and nanoscale fabrication
portable sensors

期刊

I
IEEE Photonics Journal
IF:
2.4
论文数:
194
被引数:
1.1W

机构

Z
zhejiang university of technology
学者数:
3.3W
论文数: 2.0W
被引数: 22
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