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The BrightEyes-TTM as an open-source time-tagging module for democratising single-photon microscopy
Nature Communications ( IF 16.6 ) Pub Date : 2022-12-01 , DOI: 10.1038/s41467-022-35064-0
Alessandro Rossetta 1, 2, 3 , Eli Slenders 1 , Mattia Donato 1 , Sabrina Zappone 1, 3 , Francesco Fersini 1, 3 , Martina Bruno 4, 5 , Francesco Diotalevi 6 , Luca Lanzanò 2, 7 , Sami Koho 1 , Giorgio Tortarolo 1 , Andrea Barberis 4 , Marco Crepaldi 6 , Eleonora Perego 1 , Giuseppe Vicidomini 1
Affiliation  

Fluorescence laser-scanning microscopy (LSM) is experiencing a revolution thanks to new single-photon (SP) array detectors, which give access to an entirely new set of single-photon information. Together with the blooming of new SP LSM techniques and the development of tailored SP array detectors, there is a growing need for (i) DAQ systems capable of handling the high-throughput and high-resolution photon information generated by these detectors, and (ii) incorporating these DAQ protocols in existing fluorescence LSMs. We developed an open-source, low-cost, multi-channel time-tagging module (TTM) based on a field-programmable gate array that can tag in parallel multiple single-photon events, with 30 ps precision, and multiple synchronisation events, with 4 ns precision. We use the TTM to demonstrate live-cell super-resolved fluorescence lifetime image scanning microscopy and fluorescence lifetime fluctuation spectroscopy. We expect that our BrightEyes-TTM will support the microscopy community in spreading SP-LSM in many life science laboratories.



中文翻译:

BrightEyes-TTM 作为开源时间标记模块,用于普及单光子显微镜

荧光激光扫描显微镜 (LSM) 正在经历一场革命,这要归功于新的单光子 (SP) 阵列探测器,它可以访问一组全新的单光子信息。随着新 SP LSM 技术的蓬勃发展和定制 SP 阵列探测器的发展,人们越来越需要 (i) 能够处理这些探测器产生的高通量和高分辨率光子信息的 DAQ 系统,以及 (ii) ) 将这些 DAQ 协议合并到现有的荧光 LSM 中。我们基于现场可编程门阵列开发了一种开源、低成本、多通道时间标记模块 (TTM),可以并行标记多个单光子事件,精度为 30 ps,以及多个同步事件,精度为 4 ns。我们使用 TTM 来展示活细胞超分辨荧光寿命图像扫描显微镜和荧光寿命波动光谱。我们期望我们的 BrightEyes-TTM 将支持显微镜界在许多生命科学实验室中传播 SP-LSM。

更新日期:2022-12-01
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