Qu J - Search Results

1

Screening and identification of glycosides in biological samples using energy-gradient neutral loss scan and liquid chromatography tandem mass spectrometry.

Qu J, Liang Q, Luo G, Wang Y. Qu J, et al. Anal Chem. 2004 Apr 15;76(8):2239-47. doi: 10.1021/ac030413t. Anal Chem. 2004. PMID: 15080733

2

Rapid determination of underivatized pyroglutamic acid, glutamic acid, glutamine and other relevant amino acids in fermentation media by LC-MS-MS.

Qu J, Chen W, Luo G, Wang Y, Xiao S, Ling Z, Chen G. Qu J, et al. Analyst. 2002 Jan;127(1):66-9. doi: 10.1039/b108422b. Analyst. 2002. PMID: 11827398

3

Validated quantitation of underivatized amino acids in human blood samples by volatile ion-pair reversed-phase liquid chromatography coupled to isotope dilution tandem mass spectrometry.

Qu J, Wang Y, Luo G, Wu Z, Yang C. Qu J, et al. Anal Chem. 2002 May 1;74(9):2034-40. doi: 10.1021/ac0111917. Anal Chem. 2002. PMID: 12033304

4

Rapid and reliable determination of illegal adulterant in herbal medicines and dietary supplements by LC/MS/MS.

Liang Q, Qu J, Luo G, Wang Y. Liang Q, et al. Among authors: qu j. J Pharm Biomed Anal. 2006 Feb 13;40(2):305-11. doi: 10.1016/j.jpba.2005.07.035. Epub 2005 Sep 19. J Pharm Biomed Anal. 2006. PMID: 16174560

5

Utility of cleavable isotope-coded affinity-tagged reagents for quantification of low-copy proteins induced by methylprednisolone using liquid chromatography/tandem mass spectrometry.

Qu J, Jusko WJ, Straubinger RM. Qu J, et al. Anal Chem. 2006 Jul 1;78(13):4543-52. doi: 10.1021/ac0521697. Anal Chem. 2006. PMID: 16808464 Free PMC article.

6

Ultra-sensitive quantification of corticosteroids in plasma samples using selective solid-phase extraction and reversed-phase capillary high-performance liquid chromatography/tandem mass spectrometry.

Qu J, Qu Y, Straubinger RM. Qu J, et al. Among authors: qu y. Anal Chem. 2007 May 15;79(10):3786-93. doi: 10.1021/ac062184r. Epub 2007 Apr 6. Anal Chem. 2007. PMID: 17411010

7

Ultrasensitive quantification of serum vitamin D metabolites using selective solid-phase extraction coupled to microflow liquid chromatography and isotope-dilution mass spectrometry.

Duan X, Weinstock-Guttman B, Wang H, Bang E, Li J, Ramanathan M, Qu J. Duan X, et al. Among authors: qu j. Anal Chem. 2010 Mar 15;82(6):2488-97. doi: 10.1021/ac902869y. Anal Chem. 2010. PMID: 20151683

8

A rapid, reproducible, on-the-fly orthogonal array optimization method for targeted protein quantification by LC/MS and its application for accurate and sensitive quantification of carbonyl reductases in human liver.

Cao J, Gonzalez-Covarrubias V, Straubinger RM, Wang H, Duan X, Yu H, Qu J, Blanco JG. Cao J, et al. Among authors: qu j. Anal Chem. 2010 Apr 1;82(7):2680-9. doi: 10.1021/ac902314m. Anal Chem. 2010. PMID: 20218584 Free PMC article.

9

High-throughput method development for sensitive, accurate, and reproducible quantification of therapeutic monoclonal antibodies in tissues using orthogonal array optimization and nano liquid chromatography/selected reaction monitoring mass spectrometry.

Duan X, Abuqayyas L, Dai L, Balthasar JP, Qu J. Duan X, et al. Among authors: qu j. Anal Chem. 2012 May 15;84(10):4373-82. doi: 10.1021/ac2034166. Epub 2012 Apr 27. Anal Chem. 2012. PMID: 22519810 Free PMC article.

10

Surfactant-aided precipitation/on-pellet-digestion (SOD) procedure provides robust and rapid sample preparation for reproducible, accurate and sensitive LC/MS quantification of therapeutic protein in plasma and tissues.

An B, Zhang M, Johnson RW, Qu J. An B, et al. Among authors: qu j. Anal Chem. 2015 Apr 7;87(7):4023-9. doi: 10.1021/acs.analchem.5b00350. Epub 2015 Mar 18. Anal Chem. 2015. PMID: 25746131

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