M/Z: 204.1597

Hit 1 annotations: 7-Methylguanine_[M+K]+

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 Reference Ions Near m/z 204.1597

NovoCell ID	m/z	Mass Window	Metabolite	Ranking	Anatomy Context

Found 1 Sample Hits

Metabolite Species Sample

Metabolite	Species	Sample
7-Methylguanine Formula: C6H7N5O (165.0651) Adducts: [M+K]+ (Ppm: 15.2)	Marker Pen (NA)	3ul_0.8Mpa_RAW_20241016-PAPER PNMK Resolution: 30μm, 315x42 Description By writing the four English letters “PNMK” on white paper with a marker pen, and then scanning with a DESI ion source to obtain the scanning result. The signal of the chemical substances on the marker pen used appears on the channel with an m/z value of `322.1918`, `323.1953`, `546.4010`, and etc, from the single cell deconvolution sampling layer `class_4`. This test data was tested by chuxiaoping from PANOMIX’s R&D laboratory.

7-Methylguanine

Formula: C6H7N5O (165.0651)
Adducts: [M+K]+ (Ppm: 15.2)

Marker Pen (NA)

3ul_0.8Mpa_RAW_20241016-PAPER PNMK

Resolution: 30μm, 315x42

Description

By writing the four English letters “PNMK” on white paper with a marker pen, and then scanning with a DESI ion source to obtain the scanning result. The signal of the chemical substances on the marker pen used appears on the channel with an m/z value of 322.1918, 323.1953, 546.4010, and etc, from the single cell deconvolution sampling layer class_4. This test data was tested by chuxiaoping from PANOMIX’s R&D laboratory.