M/Z: 879.6523

Hit 2 annotations: LacCer(d18:1/16:0)_[M+NH4]+; PC(20:0/22:6(4Z,7Z,10Z,13Z,16Z,19Z))_[M+NH4]+

在BioDeep NovoCell知识数据库中，参考离子总共被划分为4个级别。

Confirmed: 这个参考离子已经通过手动审计得到确认和验证。
Reliable: 这个参考离子可能在特定的解剖组织环境中高度保守。
Unreliable: 这个参考离子具有较高的排名价值，但缺乏可重复性。
Unavailable: 由于排名价值低且缺乏可重复性，这个参考离子不应用于注释。

Found 6 Reference Ions Near m/z 879.6523

NovoCell ID	m/z	Mass Window	Metabolite	Ranking	Anatomy Context
MSI_000002937 Unavailable	879.6523	879.6523 ~ 879.6523 MzDiff: `none`	LacCer(d18:1/16:0) (BioDeep_00002055403) Formula: C46H87NO13 (861.6177)	-0.63 (100%)	Rattus norvegicus [UBERON:0001950] neocortex
MSI_000003656 Unavailable	879.6523	879.6523 ~ 879.6523 MzDiff: `none`	LacCer(d18:1/16:0) (BioDeep_00002055403) Formula: C46H87NO13 (861.6177)	-0.86 (100%)	Rattus norvegicus [UBERON:0002037] cerebellum
MSI_000004836 Unreliable	879.6523	879.6523 ~ 879.6523 MzDiff: `none`	LacCer(d18:1/16:0) (BioDeep_00002055403) Formula: C46H87NO13 (861.6177)	1.34 (100%)	Rattus norvegicus [UBERON:0002298] brainstem
MSI_000005836 Unavailable	879.6523	879.6523 ~ 879.6523 MzDiff: `none`	LacCer(d18:1/16:0) (BioDeep_00002055403) Formula: C46H87NO13 (861.6177)	-0.72 (100%)	Rattus norvegicus [UBERON:0002435] striatum
MSI_000050040 Unreliable	879.6581	879.6581 ~ 879.6581 MzDiff: `none`	PC(20:0/22:6(4Z,7Z,10Z,13Z,16Z,19Z)) (BioDeep_00000018533) Formula: C50H88NO8P (861.6247)	1.09 (100%)	Mytilus edulis [UBERON:0009120] gill filament
MSI_000050614 Unreliable	879.6581	879.6581 ~ 879.6581 MzDiff: `none`	PC(20:0/22:6(4Z,7Z,10Z,13Z,16Z,19Z)) (BioDeep_00000018533) Formula: C50H88NO8P (861.6247)	1.66 (100%)	Mytilus edulis [UBERON:2001856] gill ray

Found 2 Sample Hits

Metabolite	Species	Sample
LacCer(d18:1/16:0) Formula: C46H87NO13 (861.6177) Adducts: [M+NH4]+ (Ppm: 0.9)	Rattus norvegicus (Brain)	Spectroswiss - sol_2x_br_2 Resolution: 17μm, 488x193 Description
PC(20:0/22:6(4Z,7Z,10Z,13Z,16Z,19Z)) Formula: C50H88NO8P (861.6247) Adducts: [M+NH4]+ (Ppm: 12.6)	Mus musculus (Lung)	image1 Resolution: 40μm, 187x165 Description Fig. 2 MALDI-MSI data from the same mouse lung tissue analyzed in Fig. 1. A: Optical image of the post-MSI, H&E-stained tissue section. B–D, F–G: Ion images of (B) m/z 796.6855 ([U13C-DPPC+Na]+), (C) m/z 756.5514 ([PC32:0+Na]+), (D) m/z 765.6079 ([D9-PC32:0+Na]+), (F) m/z 754.5359 ([PC32:1+Na]+), and (G) m/z 763.5923 ([D9-PC32:1+Na]+). E, H: Ratio images of (E) [D9-PC32:0+Na]+:[PC32:0+Na]+ and (H) [D9-PC32:1+Na]+:[PC32:1+Na]+. Part-per-million (ppm) mass errors are indicated in parentheses. All images were visualized using total-ion-current normalization and using hotspot removal (high quantile = 99%). DPPC = PC16:0/16:0. U13C-DPPC, universally 13C-labeled dipalmitoyl PC; PC, phosphatidylcholine; MSI, mass spectrometry imaging; H&E, hematoxylin and eosin. Fig 1-3, Fig S1-S3, S5

Metabolite

Species

Sample

LacCer(d18:1/16:0)

Formula: C46H87NO13 (861.6177)
Adducts: [M+NH4]+ (Ppm: 0.9)

Rattus norvegicus (Brain)

Spectroswiss - sol_2x_br_2

Resolution: 17μm, 488x193

Description

PC(20:0/22:6(4Z,7Z,10Z,13Z,16Z,19Z))

Formula: C50H88NO8P (861.6247)
Adducts: [M+NH4]+ (Ppm: 12.6)

Mus musculus (Lung)

image1

Resolution: 40μm, 187x165

Description

Fig. 2 MALDI-MSI data from the same mouse lung tissue analyzed in Fig. 1. A: Optical image of the post-MSI, H&E-stained tissue section. B–D, F–G: Ion images of (B) m/z 796.6855 ([U13C-DPPC+Na]+), (C) m/z 756.5514 ([PC32:0+Na]+), (D) m/z 765.6079 ([D9-PC32:0+Na]+), (F) m/z 754.5359 ([PC32:1+Na]+), and (G) m/z 763.5923 ([D9-PC32:1+Na]+). E, H: Ratio images of (E) [D9-PC32:0+Na]+:[PC32:0+Na]+ and (H) [D9-PC32:1+Na]+:[PC32:1+Na]+. Part-per-million (ppm) mass errors are indicated in parentheses. All images were visualized using total-ion-current normalization and using hotspot removal (high quantile = 99%). DPPC = PC16:0/16:0. U13C-DPPC, universally 13C-labeled dipalmitoyl PC; PC, phosphatidylcholine; MSI, mass spectrometry imaging; H&E, hematoxylin and eosin. Fig 1-3, Fig S1-S3, S5