Magnetic metal–organic framework nanocomposites for enrichment and direct detection of small molecules by negative-ion matrix-assisted laser desorption/ionization time-of-flight mass spectrometry

2015 ◽  
Vol 51 (42) ◽  
pp. 8785-8788 ◽  
Author(s):  
Zian Lin ◽  
Wei Bian ◽  
Jiangnan Zheng ◽  
Zongwei Cai

Fe3O4@ZIF-8 MNCs were proposed as an absorbent and a new matrix for negative ion MALDI-TOF MS, which exhibited interference-free background, good reproducibility and sensitivity for analysis of small molecules.

The Analyst ◽  
2015 ◽  
Vol 140 (15) ◽  
pp. 5287-5294 ◽  
Author(s):  
Zian Lin ◽  
Jiangnan Zheng ◽  
Wei Bian ◽  
Zongwei Cai

CuFe2O4 MNCs were proposed as a new matrix for negative ion MALDI-TOF MS, which exhibited interference-free background, high salt tolerance and good reproducibility for analysis of small molecules.


2019 ◽  
Vol 11 (8) ◽  
pp. 1131-1136 ◽  
Author(s):  
Yueying Zhang ◽  
Dan Gao ◽  
Shangfu Li ◽  
Weili Wei ◽  
Jinshun Lin ◽  
...  

1,5-Diaminonaphthalene functionalized carbon nanodots (DAN-CDs) were explored as a matrix for direct detection of small molecules by MALDI-MS in negative-ion mode.


2019 ◽  
Vol 55 (48) ◽  
pp. 6898-6901 ◽  
Author(s):  
Wen Ma ◽  
Shuting Xu ◽  
Wanpeng Ai ◽  
Cheng Lin ◽  
Yu Bai ◽  
...  

Fast screening of multi-functional MOFs as SALDI-MS matrices for the detection of small molecules and simultaneous enrichment and detection of analytes.


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