M/Z: 731.4656

Hit 2 annotations: PA(15:0/PGE2)_[M+H]+; (20E)-Ginsenoside F4_[M+H-2H2O]+

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 2 Reference Ions Near m/z 731.4656

NovoCell ID	m/z	Mass Window	Metabolite	Ranking	Anatomy Context
MSI_000008025 Reliable	731.4602	731.4601 ~ 731.4603 MzDiff: `1.1 ppm`	PA(15:0/PGE2) (BioDeep_00000188182) Formula: C38H67O11P (730.4421)	12.78 (100%)	Rattus norvegicus [UBERON:0004360] cauda epididymis
MSI_000022387 Unreliable	731.4575	731.4575 ~ 731.4575 MzDiff: `none`	PA(15:0/PGE2) (BioDeep_00000188182) Formula: C38H67O11P (730.4421)	1.73 (100%)	Mus musculus [UBERON:0004250] upper arm bone

Found 3 Sample Hits

Metabolite	Species	Sample
PA(15:0/PGE2) Formula: C38H67O11P (730.4421) Adducts: [M+H]+ (Ppm: 15)	Rattus norvegicus (Epididymis)	epik_dhb_head_ito08_43 Resolution: 17μm, 298x106 Description
PA(15:0/PGE2) Formula: C38H67O11P (730.4421) Adducts: [M+H]+ (Ppm: 15)	Rattus norvegicus (Epididymis)	epik_dhb_head_ito08_44 Resolution: 17μm, 299x111 Description
(20E)-Ginsenoside F4 Formula: C42H70O12 (766.4867) Adducts: [M+H-2H2O]+ (Ppm: 9.9)	Mus musculus (Lung)	image5 Resolution: 40μm, 163x183 Description 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.

Metabolite

Species

Sample

PA(15:0/PGE2)

Formula: C38H67O11P (730.4421)
Adducts: [M+H]+ (Ppm: 15)

Rattus norvegicus (Epididymis)

epik_dhb_head_ito08_43

Resolution: 17μm, 298x106

Description

PA(15:0/PGE2)

Formula: C38H67O11P (730.4421)
Adducts: [M+H]+ (Ppm: 15)

Rattus norvegicus (Epididymis)

epik_dhb_head_ito08_44

Resolution: 17μm, 299x111

Description

(20E)-Ginsenoside F4

Formula: C42H70O12 (766.4867)
Adducts: [M+H-2H2O]+ (Ppm: 9.9)

Mus musculus (Lung)

image5

Resolution: 40μm, 163x183

Description

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.