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Supplemental Information

dataset of continuous variable

DOI: 10.7287/peerj.preprints.3308v1/supp-1

photograph of PC-12 cells in control (400 times)

DOI: 10.7287/peerj.preprints.3308v1/supp-2

photograph of PC-12 cells in Zuotai (0.250 g/L, 2 hours) (400 times)

DOI: 10.7287/peerj.preprints.3308v1/supp-3

photograph of PC-12 cells in β-HgS (0.135 g/L, 2 hours) (400 times)

DOI: 10.7287/peerj.preprints.3308v1/supp-4

photograph of PC-12 cells in HgCl2 (0.0160 g/L, 2 hours) (400 times)

DOI: 10.7287/peerj.preprints.3308v1/supp-5

Additional Information

Competing Interests

The authors declare that they have no competing interests.

Author Contributions

Lujing Geng performed the experiments, analyzed the data, wrote the paper, prepared figures and/or tables.

Cen Li analyzed the data, reviewed drafts of the paper.

Zhenghua Xia performed the experiments.

Yuzhi Du contributed reagents/materials/analysis tools.

Lixin Wei conceived and designed the experiments, contributed reagents/materials/analysis tools, reviewed drafts of the paper.


This work was supported by “The Dawn of West China” 2014 Talent Training Program of Chinese Academy of Sciences (Y529021211), the Science Foundation for Young Scholars of Qinghai Province (2016-ZJ-919Q), the National Natural Science Foundation of China (81374063) and Development Program of Key Laboratory in Qinghai Province (2017-ZJ-Y08). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

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