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Table 1 List of the 14 AgLDI MSI datasets used for validation

From: rMSIcleanup: an open-source tool for matrix-related peak annotation in mass spectrometry imaging and its application to silver-assisted laser desorption/ionization

No

Species

Tissue type

Ag deposition system and estimated layer thickness

Lateral res.

m/z range

Mass spectrometer

Acq. mode

Refs.

1

Mouse

Pancreas

ATC Orion 8-HV Sputtering system, 5 nm

30

70–1200

Bruker ultrafleXtreme™ MALDI-TOF/TOF

Positive/profile

2

Mouse

Pancreas

ATC Orion 8-HV Sputtering system, 5 nm

30

70–1200

Bruker ultrafleXtreme™ MALDI-TOF/TOF

Positive/profile

3

Mouse

Kidney

ATC Orion 8-HV Sputtering system, 5 nm

100

70–1200

Bruker ultrafleXtreme™ MALDI-TOF/TOF

Positive/profile

4

Mouse

Brain

ATC Orion 8-HV Sputtering system, 5 nm

80

70–1200

Bruker ultrafleXtreme™ MALDI-TOF/TOF

Positive/profile

5

Mouse

Brain

ATC Orion 8-HV Sputtering system, 5 nm

80

70–1200

Bruker ultrafleXtreme™ MALDI-TOF/TOF

Positive/profile

6

Mouse

Brain

ATC Orion 8-HV Sputtering system, 5 nm

80

70–1200

Bruker ultrafleXtreme™ MALDI-TOF/TOF

Positive/profile

7

Mouse

Brain

ATC Orion 8-HV Sputtering system, 5 nm

80

80–1000

Bruker ultrafleXtreme™ MALDI-TOF/TOF

Positive/profile

8

Mouse

Brain

ATC Orion 8-HV Sputtering system, 5 nm

80

80–1000

Bruker ultrafleXtreme™ MALDI-TOF/TOF

Positive/profile

9

Mouse

Brain

ATC Orion 8-HV Sputtering system, 5 nm

80

80–1000

Bruker ultrafleXtreme™ MALDI-TOF/TOF

Positive/profile

10

Mouse

Brain

ATC Orion 8-HV Sputtering system, 5 nm

80

80–1000

Bruker ultrafleXtreme™ MALDI-TOF/TOF

Positive/profile

11

Mouse

Brain

Cressington Sputter Coater, 23 ± 2 nm

75

100–1100

Bruker ultrafleXtreme™ MALDI-TOF/TOF

Positive/profile

[18]

12

Homo sapiens

Fingermark

Cressington Sputter Coater, 14 ± 2 nm

75

100–1100

Bruker ultrafleXtreme™ MALDI-TOF/TOF

Positive/profile

[14]

13

B73 inbred corn

Root

Cressington 108Auto, 5 s

10

50–970

Thermo Finnigan™ MALDI-LTQ-Orbitrap Discovery

Positive/centroid

[6]

14

B73 inbred corn

Root

Cressington 108Auto, 5 s

10

50–900

Thermo Finnigan™ MALDI-LTQ-Orbitrap Discovery

Negative/centroid

[6]

  1. Sample type, sample preparation and LDI-MSI acquisition parameters. Datasets from 1 to 10 were acquired in-house. Datasets 11–14 were provided by external laboratories