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. Author manuscript; available in PMC: 2020 Mar 16.
Published in final edited form as: Nat Protoc. 2018 Oct;13(10):2121–2148. doi: 10.1038/s41596-018-0016-7

Fig. 4 |. Materials and equipment.

Fig. 4 |

a, Liquid nitrogen tank for snap freezing of the solutions of Pd@mal-DOTA complexes, PCR tubes in a 96-well metal block, dry ice for placing frozen sample PCR tubes, and Drierite desiccant for storing dried palladium mass tags to protect the from moisture. b, Lyophilizer and pump for ice-drying of palladium mass tags. c, CyTOF instruments of v1, v2, and v3 (Helios) used in our lab.