M/Z: 277.223


Hit 3 annotations:  Venlafaxine_[M-H2O+NH4]+; Etidocaine_[M+H]+; Stearidonic acid_[M+H]+


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 7 Reference Ions Near m/z 277.223
NovoCell ID m/z Mass Window Metabolite Ranking Anatomy Context
MSI_000043116 Reliable 277.2175 277.217 ~ 277.2179
MzDiff: 3.7 ppm		 Stearidonic acid (BioDeep_00000003492)
Formula: C18H28O2 (276.2089)		 24.49 (100%) Homo sapiens
[UBERON:0001043] esophagus
MSI_000065210 Reliable 277.2172 277.217 ~ 277.2173
MzDiff: 1.3 ppm		 Stearidonic acid (BioDeep_00000003492)
Formula: C18H28O2 (276.2089)		 4.75 (100%) Homo sapiens
[UBERON:0001155] colon
MSI_000056390 Reliable 277.2172 277.2171 ~ 277.2174
MzDiff: 1.4 ppm		 Stearidonic acid (BioDeep_00000003492)
Formula: C18H28O2 (276.2089)		 1.15 (100%) Homo sapiens
[UBERON:0007779] transudate
MSI_000051650 Unreliable 277.2223 277.2223 ~ 277.2223
MzDiff: none		 Etidocaine (BioDeep_00000002762)
Formula: C17H28N2O (276.2202)		 2.91 (100%) Homo sapiens
[UBERON:0001052] rectum
MSI_000051789 Unreliable 277.2163 277.2163 ~ 277.2163
MzDiff: none		 Stearidonic acid (BioDeep_00000003492)
Formula: C18H28O2 (276.2089)		 2.45 (100%) Homo sapiens
[UBERON:0001052] rectum
MSI_000038346 Unreliable 277.2135 277.2135 ~ 277.2135
MzDiff: none		 Stearidonic acid (BioDeep_00000003492)
Formula: C18H28O2 (276.2089)		 1.26 (100%) Posidonia oceanica
[PO:0005020] vascular bundle
MSI_000038913 Unreliable 277.2135 277.2135 ~ 277.2135
MzDiff: none		 Stearidonic acid (BioDeep_00000003492)
Formula: C18H28O2 (276.2089)		 1.43 (100%) Posidonia oceanica
[PO:0005059] root endodermis

Found 4 Sample Hits
Metabolite Species Sample
Venlafaxine

Formula: C17H27NO2 (277.2042)
Adducts: [M-H2O+NH4]+ (Ppm: 16) 		Homo sapiens (colorectal adenocarcinoma)
520TopL, 490TopR, 510BottomL, 500BottomR-profile
Resolution: 17μm, 147x131

Description

The human colorectal adenocarcinoma sample was excised during a surgical operation performed at the Imperial College Healthcare NHS Trust. The sample and procedures were carried out in accordance with ethical approval (14/EE/0024).
Etidocaine

Formula: C17H28N2O (276.2202)
Adducts: [M+H]+ (Ppm: 18.5) 		Homo sapiens (colorectal adenocarcinoma)
439TopL, 409TopR, 429BottomL, 419BottomR-profile
Resolution: 17μm, 157x136

Description

The human colorectal adenocarcinoma sample was excised during a surgical operation performed at the Imperial College Healthcare NHS Trust. The sample and procedures were carried out in accordance with ethical approval (14/EE/0024).
Stearidonic acid

Formula: C18H28O2 (276.2089)
Adducts: [M+H]+ (Ppm: 2.9) 		Homo sapiens (NA)
160TopL,130TopR,150BottomL,140BottomR-profile
Resolution: 17μm, 142x136

Description

Stearidonic acid

Formula: C18H28O2 (276.2089)
Adducts: [M+H]+ (Ppm: 5.8) 		Homo sapiens (esophagus)
LNTO26_16_1
Resolution: 75μm, 95x88

Description