Laser particle activated cell sorting in microfluidics.

Laser particle activated cell sorting in microfluidics.
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DOI:
10.1039/d2lc00235c
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发表时间:
2022-06-14
期刊:
影响因子:
6.1
通讯作者:
Yun, Seok-Hyun
Yun, Seok-Hyun
中科院分区:
工程技术1区
文献类型:
--
作者:
Dannenberg, Paul H.;Kang, Jisoo;Martino, Nicola;Kashiparekh, Anokhi;Forward, Sarah;Wu, Jiamin;Liapis, Andreas C.;Wang, Jie;Yun, Seok-Hyun

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提供明亮的光谱窄带发射的激光颗粒使其适合用作细胞条形码。在这里,我们展示了一个集成了高速光谱仪的微流控平台,能够阅读流体通道中的激光粒子的发射,并根据其光学条形码路由细胞。每个激光粒子的亚纳米光谱发射使我们能够在近红外线中区分标记有数百种不同激光颜色的单个细胞。此外,通过使用实时现场可编程门阵列和双向电场开关,基于它们的光谱条形码以千赫兹速率对用激光颗粒标记的细胞进行分选。我们展示了几种不同的分选方法,包括分离条形码细胞和用特定激光颜色标记的细胞。我们将这种新的分选技术称为激光粒子激活细胞分选(拉克)。这种流式阅读和分选技术增加了使用激光粒子的单细胞分析工具的武库。开发了一种微流体装置,其使用激光颗粒条形码的窄带光辐射来分选标记的细胞。
Laser particles providing bright, spectrally narrowband emission renders them suitable for use as cellular barcodes. Here, we demonstrate a microfluidic platform integrated with a high-speed spectrometer, capable of reading the emission from laser particles in fluidic channels and routing cells based on their optical barcodes. The sub-nanometer spectral emission of each laser particle enables us to distinguish individual cells labeled with hundreds of different laser colors in the near infrared. Furthermore, cells tagged with laser particles are sorted based on their spectral barcodes at a kilohertz rate by using a real-time field programmable gate array and 2-way electric field switch. We demonstrate several different flavors of sorting, including isolation of barcoded cells, and cells tagged with a specific laser color. We term this novel sorting technique laser particle activated cell sorting (LACS). This flow reading and sorting technology adds to the arsenal of single-cell analysis tools using laser particles. A microfluidic device is developed that uses the narrowband optical radiation of laser particle barcodes to sort tagged cells.
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