High-fidelity structured illumination microscopy by point-spread-function engineering.

High-fidelity structured illumination microscopy by point-spread-function engineering.
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采用点扩散函数工程的高保真结构照明显微镜

DOI:
10.1038/s41377-021-00513-w
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发表时间:
2021-04-01
期刊:
Light, science & applications
影响因子:
--
通讯作者:
Li H
Li H
中科院分区:
其他
文献类型:
--
作者:
Wen G;Li S;Wang L;Chen X;Sun Z;Liang Y;Jin X;Xing Y;Jiu Y;Tang Y;Li H

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Structured illumination microscopy (SIM) has become a widely used tool for insight into biomedical challenges due to its rapid, long-term, and super-resolution (SR) imaging. However, artifacts that often appear in SIM images have long brought into question its fidelity, and might cause misinterpretation of biological structures. We present HiFi-SIM, a high-fidelity SIM reconstruction algorithm, by engineering the effective point spread function (PSF) into an ideal form. HiFi-SIM can effectively reduce commonly seen artifacts without loss of fine structures and improve the axial sectioning for samples with strong background. In particular, HiFi-SIM is not sensitive to the commonly used PSF and reconstruction parameters; hence, it lowers the requirements for dedicated PSF calibration and complicated parameter adjustment, thus promoting SIM as a daily imaging tool.
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