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On-Chip Polarization Light Microscopy

delete2025-01-30
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OA
AI
T
Túlio de L. Pedrosa
R
Renato E. de Araújo
S
Sebastian Wachsmann‐Hogiu *
DOI:10.3390/bios15020079delete
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摘要

摘要

En 中文
偏振光显微镜(PLM)能够详细检查双折射材料,并揭示在非偏振光下无法观察到的独特特征。将此技术应用于样品的定量偏振光显微镜(QPLM)评估具有挑战性,需要特殊的组件和设备。在这里,我们展示了适用于即时/按需应用的半导体成像芯片上的QPLM。采用交叉偏振器和全波片,使用白光LED照明执行芯片上、非接触模式的QPLM。通过评估白光通过样品不同光学路径所经历的多光谱相位差来探测偏振复杂性。该平台可实现微米级空间分辨率,视场由半导体传感器尺寸决定。演示了生物样本(Euglena gracilis)的可视化,以及单钠尿酸盐晶体的检测,其中晶体在滑液中的负双折射性对于痛风的诊断具有重要意义。
Keyword:
CMOS image sensors
quantitative polarization light microscopy
point-of-care/need applications

期刊

Biosensors 封面图
Biosensors
IF:
5.6
论文数:
1.2K
被引数:
1.9W

机构

U
Univ Fed Pernambuco
学者数:
536
论文数: 207
被引数: 45
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