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Computational cytometer based on magnetically modulated coherent imaging and deep learning 被引量:1
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作者 Yibo Zhang Mengxing Ouyang +17 位作者 Aniruddha Ray Tairan Liu janay kong Bijie Bai Donghyuk Kim Alexander Guziak Yi Luo Alborz Feizi Katherine Tsai Zhuoran Duan Xuewei Liu Danny Kim Chloe Cheung Sener Yalcin Hatice Ceylan Koydemir Omai B.Garner Dino Di Carlo Aydogan Ozcan 《Light(Science & Applications)》 SCIE EI CAS CSCD 2019年第1期385-399,共15页
Detecting rare cells within blood has numerous applications in disease diagnostics.Existing rare cell detection techniques are typically hindered by their high cost and low throughput.Here,we present a computational c... Detecting rare cells within blood has numerous applications in disease diagnostics.Existing rare cell detection techniques are typically hindered by their high cost and low throughput.Here,we present a computational cytometer based on magnetically modulated lensless speckle imaging,which introduces oscillatory motion to the magneticbead-conjugated rare cells of interest through a periodic magnetic force and uses lensless time-resolved holographic speckle imaging to rapidly detect the target cells in three dimensions(3D).In addition to using cell-specific antibodies to magnetically label target cells,detection specificity is further enhanced through a deep-learning-based classifier that is based on a densely connected pseudo-3D convolutional neural network(P3D CNN),which automatically detects rare cells of interest based on their spatio-temporal features under a controlled magnetic force.To demonstrate the performance of this technique,we built a high-throughput,compact and cost-effective prototype for detecting MCF7 cancer cells spiked in whole blood samples.Through serial dilution experiments,we quantified the limit of detection(LoD)as 10 cells per millilitre of whole blood,which could be further improved through multiplexing parallel imaging channels within the same instrument.This compact,cost-effective and high-throughput computational cytometer can potentially be used for rare cell detection and quantification in bodily fluids for a variety of biomedical applications. 展开更多
关键词 RARE magnetic SPECKLE
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