Time-resolved structural studies at synchrotrons and X-ray free electron lasers: opportunities and challenges.

Time-resolved structural studies at synchrotrons and X-ray free electron lasers: opportunities and challenges.
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DOI:
10.1016/j.sbi.2012.08.006
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发表时间:
2012-10
影响因子:
6.8
通讯作者:
Moffat K
Moffat K
中科院分区:
生物学2区
文献类型:
--
作者:
Neutze R;Moffat K

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X射线自由电子激光器(XFEL)是潜在的革命性X射线源,因为它们具有非常短的脉冲持续时间,极端的峰值亮度和高空间相干性,这些特征将它们与今天的同步辐射源区分开来。我们回顾了最近的时间分辨劳厄衍射和时间分辨广角X射线散射(WAXS)的研究在同步辐射源,并在XFEL的初始静态研究。XFEL有可能改变时间分辨结构生物学领域,但在设计和调整硬件,实验设计和数据分析策略以利用其不寻常的特性方面存在许多挑战。尽管存在这些挑战,但我们相信XFEL源有望为超快蛋白质反应动力学提供新的见解。
X-ray free electron lasers (XFELs) are potentially revolutionary X-ray sources because of their very short pulse duration, extreme peak brilliance and high spatial coherence, features that distinguish them from today’s synchrotron sources. We review recent time-resolved Laue diffraction and time-resolved wide angle X-ray scattering (WAXS) studies at synchrotron sources, and initial static studies at XFELs. XFELs have the potential to transform the field of time-resolved structural biology, yet many challenges arise in devising and adapting hardware, experimental design and data analysis strategies to exploit their unusual properties. Despite these challenges, we are confident that XFEL sources are poised to shed new light on ultrafast protein reaction dynamics.
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