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Ionic liquid-based aqueous two-phase system, a sample pretreatment procedure prior to high-performance liquid chromatography of opium alkaloids.
Extraction of testosterone and epitestosterone in human urine using aqueous two-phase systems of ionic liquid and salt.
Analytical methods in lipidomics and their applications.
This work presents a meta-analysis of Lipidomics using a platform-agnostic approach, called “spot-spot analysis,” to characterize the role of phosphorous in the building blocks of DNA and its role in other materials such as proteins.
Determination of flavonoids in Semen Cuscutae by RP-HPLC.
Online coupling of in-tube solid-phase microextraction with direct analysis in real time mass spectrometry for rapid determination of triazine herbicides in water using carbon-nanotubes-incorporated…
- X. Wang, Xianjiang Li, Ze Li, Yiding Zhang, Yu Bai, Huwei Liu
- Chemistry, MedicineAnalytical chemistry
- 29 April 2014
The proposed online coupling of in-tube solid phase microextraction with direct analysis in real time mass spectrometry (DART-MS) was realized for the first time and applied in the analysis of triazine herbicides in lake water and orange juice, showing satisfactory recovery and reproducibility.
A facilely synthesized amino-functionalized metal-organic framework for highly specific and efficient enrichment of glycopeptides.
- Yi-Wei Zhang, Ze Li, Qiang Zhao, Yinglin Zhou, Huwei Liu, Xinxiang Zhang
- Chemistry, MedicineChemical communications
- 4 September 2014
With the special characteristics of the MOF, the material performed well in selectivity and sensitivity for both standard glycoprotein samples and complex biological samples.
Solid-phase extraction with the metal-organic framework MIL-101(Cr) combined with direct analysis in real time mass spectrometry for the fast analysis of triazine herbicides.
- Xianjiang Li, Jiawei Xing, +4 authors Huwei Liu
- Chemistry, MedicineJournal of separation science
- 1 June 2014
The results showed that solid-phase extraction with metal-organic frameworks is an efficient sample preparation approach for DART-MS analysis and could find more applications in environmental analysis.
A new derivatization approach for the rapid and sensitive analysis of brassinosteroids by using ultra high performance liquid chromatography-electrospray ionization triple quadrupole mass…
Quadrupole time-of-flight mass spectrometry as a powerful tool for demystifying traditional Chinese medicine
Applications of ambient mass spectrometry in high-throughput screening.
- Liping Li, Baosheng Feng, Jianwang Yang, Cuilan Chang, Yu Bai, Huwei Liu
- Chemistry, MedicineThe Analyst
- 7 May 2013
Typical applications of Ambient mass spectrometry, including DESI (desorption electrospray ionization), DART (direct analysis in real time), EESI (extractive electrosPRay Ionization), etc., in high-throughput screening (HTS).