Shi X, Li N, Wu D, Hu N, Sun J, Zhou X, Suo Y, Li G, Wu Y.  2018.  Magnetic covalent organic framework material: synthesis and application as a sorbent for polycyclic aromatic hydrocarbons. Anal. Methods Analytical Methods. 10(41):5014-5024.

Zhao X-E, He Y, Li M, Chen G, Wei N, Wang X, Sun J, Zhu S, You J.  2017.  Analysis of amino acid and monoamine neurotransmitters and their metabolites in rat urine of Alzheimer’s disease using in situ ultrasound-assisted derivatization dispersive liquid-liquid microextraction with UHPLC-MS/MS. PBA Journal of Pharmaceutical and Biomedical Analysis. 135:186-198.

Sun J, Zhao X-E, Dang J, Sun X, Zheng L, You J, Wang X.  2017.  Rapid and sensitive determination of phytosterols in functional foods and medicinal herbs by using UHPLC-MS/MS with microwave-assisted derivatization combined with dual ultrasound-assisted dispersive liquid-liquid microextraction. Journal of Separation Science. 40(3):725-732.

Sun J, Zhao X-E, Dang J, Sun X, Zheng L, You J, Wang X.  2017.  Rapid and sensitive determination of phytosterols in functional foods and medicinal herbs by using UHPLC-MS/MS with microwave-assisted derivatization combined with dual ultrasound-assisted dispersive liquid-liquid microextraction Sun et al.. J. Sep. Sci. Journal of Separation Science. 40(3):725-732.

Zhao X-E, Lv T, Zhu S, Qu F, Chen G, He Y, Wei N, Li G, Xia L, Sun Z et al..  2016.  Dual ultrasonic-assisted dispersive liquid-liquid microextraction coupled with microwave-assisted derivatization for simultaneous determination of 20(S)-protopanaxadiol and 20(S)-protopanaxatriol by ultra high performance liquid chromatography-tandem mass. CHROMA Journal of Chromatography A. 1437:49-57.

Gong C, Chen T, Chen H, Zhang S, Wang X, Wang W, Sun J, Li Y, Liao Z.  2016.  First separation of four aromatic acids and two analogues with similar structures and polarities fromClematis akebioidesby high-speed counter-current chromatography Other Techniques. J. Sep. Sci. Journal of Separation Science. 39(23):4660-4666.

He Y, Zhao X-E, Zhu S, Wei N, Sun J, Zhou Y, Liu S, Liu Z, Chen G, Suo Y et al..  2016.  In situ derivatization-ultrasound-assisted dispersive liquid-liquid microextraction for the determination of neurotransmitters in Parkinson’s rat brain microdialysates by ultra high performance liquid chromatography-tandem mass spectrometry. CHROMA Journal of Chromatography A. 1458:70-81.

Chen T, Liu Y, Zou D, Chen C, You J, Zhou G, Sun J, Li Y.  2014.  Application of an efficient strategy based on liquid-liquid extraction, high-speed counter-current chromatography, and preparative HPLC for the rapid enrichment, separation, and purification of four anthraquinones from Rheum tanguticum. Journal of Separation Science. 37(1-2):165-170.

Chen T, Liu Y-L, Chen C, Zou D-lang, You J-M, Sun J, Li Y-lin.  2014.  Application of high-speed counter-current chromatography combined with macroporous resin for rapid enrichment and separation of three anthraquinone glycosides and one stilbene glycoside from Rheum tanguticum. Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences. 957:90-95.

Sun J, Li F, Xu W, Zhou G, You J, Chen G.  2009.  LC-ESI-MS Determination of 20 Free Amino Acids in Tibetan Medicine Gentiana dahurica with Pre-Column Fluorescence Derivatization. Chromatographia. 70(11-12):11-12.

Sun J, Chen G, Zhao X, Xu W, Zhou G, Han Y, You J.  2007.  Determination of 30 Free Fatty Acids in Two Famous Tibetan Medicines by HPLC with Fluorescence Detection and Mass Spectrometric Identification. Chroma Chromatographia : An International Journal for Rapid Communication in Chromatography, Electrophoresis and Associated Techniques. 65(7-8):469-476.