- 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 2 Reference Ions Near m/z 587.5399
NovoCell ID | m/z | Mass Window | Metabolite | Ranking | Anatomy Context |
---|---|---|---|---|---|
MSI_000023664 Unreliable | 587.5399 | 587.5399 ~ 587.5399 MzDiff: none |
DG(18:0/18:1(9Z)/0:0) (BioDeep_00000028497) Formula: C39H74O5 (622.5536) |
1.32 (100%) | Mus musculus [UBERON:0004263] upper arm skin |
MSI_000023345 Unreliable | 587.547 | 587.547 ~ 587.547 MzDiff: none |
Not Annotated | 1.75 (%) | Mus musculus [UBERON:0004263] upper arm skin |
Found 3 Sample Hits
Metabolite | Species | Sample | |
---|---|---|---|
DG(18:0/18:1(9Z)/0:0) Formula: C39H74O5 (622.5536) Adducts: [M+H-2H2O]+ (Ppm: 0.3) |
Mus musculus (Left upper arm) |
357_l_total ion countResolution: 50μm, 97x131
Diseased |
|
DG(18:0/18:1(9Z)/0:0) Formula: C39H74O5 (622.5536) Adducts: [M+H-2H2O]+ (Ppm: 14.4) |
Mus musculus (Lung) |
image5Resolution: 40μm, 163x183
Supplementary Figure S8. MALDI-MSI data of mouse lung tissue administered with D9-choline and
U 13C-DPPC–containing Poractant alfa surfactant (labels administered 18 h prior to sacrifice). Ion
images of (a) m/z 796.6856 ([U13C-DPPC+Na]+), (b) m/z 756.5154 [PC32:0+Na]+ and (c) m/z 765.6079
([D9-PC32:0+Na]+). (d) Overlay image of [U13C-DPPC+Na]+ (red) and [D9-PC32:0+Na]+ (green).
Parts per million (ppm) mass errors are indicated in parentheses. All images were visualised using totalion-current normalisation and using hotspot removal (high quantile = 99%). DPPC = PC16:0/16:0. |
|
DG(18:0/18:1(9Z)/0:0) Formula: C39H74O5 (622.5536) Adducts: [M+H-2H2O]+ (Ppm: 0.4) |
Drosophila melanogaster (brain) |
Drosophila18Resolution: 5μm, 686x685
Sample information
Organism: Drosophila melanogaster
Organism part: Brain
Condition: Healthy
Sample preparation
Sample stabilisation: Frozen
Tissue modification: Frozen
MALDI matrix: 2,5-dihydroxybenzoic acid (DHB)
MALDI matrix application: TM sprayer
Solvent: Aceton/water
MS analysis
Polarity: Positive
Ionisation source: Prototype
Analyzer: Orbitrap
Pixel size: 5μm × 5μm
Annotation settings
m/z tolerance (ppm): 3
Analysis version: Original MSM
Pixel count: 469910
Imzml file size: 696.23 MB
Ibd file size: 814.11 MB |
|