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Proceedings Paper

Single cell radiometry using droplet optofluidics
Author(s): Byunghang Ha; Tae Jin Kim; Ejung Moon; Guillem Pratx
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Paper Abstract

Single cell analysis has become a crucial goal since cellular heterogeneity was acknowledged as one of the greatest challenges in cancer therapeutics. Radioactive probes can play an important role in single cell study thanks to its unique capability of tracking small molecules with minimal modification of their chemical structure. Our lab has recently developed a new technique known as radioluminescence microscopy (RLM) to measure the amount of radiotracer in single cells. Yet, RLM can image only up to about 100 cells and lacks capability of integrating with subsequent sample processing such as cell sorting. Here we introduce a robust, high throughput single cell radiometry based on radiofluorogenesis and droplet optofluidics. As an example, we quantitated [18F]-fluorodeoxyglucose radiotracer uptake in single human breast cancer cells and assessed cellular heterogeneity in single cell metabolism.

Paper Details

Date Published: 21 February 2020
PDF: 4 pages
Proc. SPIE 11235, Microfluidics, BioMEMS, and Medical Microsystems XVIII, 112350S (21 February 2020); doi: 10.1117/12.2542463
Show Author Affiliations
Byunghang Ha, Stanford Univ. (United States)
Tae Jin Kim, Luca Medical Systems (United States)
Ejung Moon, Stanford Univ. (United States)
Guillem Pratx, Stanford Univ. (United States)

Published in SPIE Proceedings Vol. 11235:
Microfluidics, BioMEMS, and Medical Microsystems XVIII
Bonnie L. Gray; Holger Becker, Editor(s)

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