M/Z: 240.0492

Hit 1 annotations: L-Cystine_[M-H2O+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 2 Reference Ions Near m/z 240.0492

NovoCell ID	m/z	Mass Window	Metabolite	Ranking	Anatomy Context
MSI_000052843 Reliable	240.0487	240.0483 ~ 240.0489 MzDiff: `2.3 ppm`	L-Cystine (BioDeep_00000001366) Formula: C6H12N2O4S2 (240.0238)	5.03 (100%)	DESI [NOVOCELL:BACKGROUND] blank
MSI_000037538 Unreliable	240.0404	240.0404 ~ 240.0404 MzDiff: `none`	Liriodenine (BioDeep_00000000915) Formula: C17H9NO3 (275.0582)	1.17 (100%)	Posidonia oceanica [UBERON:0000329] hair root

Found 9 Sample Hits

Metabolite	Species	Sample
L-Cystine Formula: C6H12N2O4S2 (240.0238) Adducts: [M-H2O+NH4]+ (Ppm: 5)	Homo sapiens (esophagus)	LNTO22_1_4 Resolution: 17μm, 82x80 Description
L-Cystine Formula: C6H12N2O4S2 (240.0238) Adducts: [M-H2O+NH4]+ (Ppm: 7.5)	Homo sapiens (colorectal adenocarcinoma)	80TopL, 50TopR, 70BottomL, 60BottomR-profile Resolution: 17μm, 137x136 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).
L-Cystine Formula: C6H12N2O4S2 (240.0238) Adducts: [M-H2O+NH4]+ (Ppm: 10.8)	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).
L-Cystine Formula: C6H12N2O4S2 (240.0238) Adducts: [M-H2O+NH4]+ (Ppm: 7.5)	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).
L-Cystine Formula: C6H12N2O4S2 (240.0238) Adducts: [M-H2O+NH4]+ (Ppm: 5.8)	Homo sapiens (esophagus)	TO40T Resolution: 17μm, 82x74 Description
L-Cystine Formula: C6H12N2O4S2 (240.0238) Adducts: [M-H2O+NH4]+ (Ppm: 7.1)	Homo sapiens (esophagus)	TO31T Resolution: 75μm, 56x54 Description
L-Cystine Formula: C6H12N2O4S2 (240.0238) Adducts: [M-H2O+NH4]+ (Ppm: 8.7)	Homo sapiens (esophagus)	TO29T Resolution: 75μm, 56x48 Description
L-Cystine Formula: C6H12N2O4S2 (240.0238) Adducts: [M-H2O+NH4]+ (Ppm: 7.1)	Homo sapiens (colorectal adenocarcinoma)	240TopL, 210TopR, 230BottomL, 220BottomR-centroid Resolution: 50μm, 142x141 Description
L-Cystine Formula: C6H12N2O4S2 (240.0238) Adducts: [M-H2O+NH4]+ (Ppm: 12.9)	Homo sapiens (colorectal adenocarcinoma)	120TopL, 90TopR, 110BottomL, 100BottomR-centroid Resolution: 50μm, 132x136 Description