Heiko Junga

Direct injection of solid‐phase extraction eluents onto silica columns for the analysis of polar compounds isoniazid and cetirizine in plasma using hydrophilic interaction chromatography with tandem mass spectrometry

Austin C. Li, Heiko Junga, Wilson Z. Shou et al. · Rapid Communications in Mass Spectrometry · 2004 · 54 citations

Automated 96-well solid phase extraction and hydrophilic interaction liquid chromatography–tandem mass spectrometric method for the analysis of cetirizine (ZYRTEC®) in human plasma—with emphasis on method ruggedness

Qi Song, Heiko Junga, Yong Tang et al. · Journal of Chromatography B · 2004 · 50 citations

Solid Phase Extraction, Analytical Instrumentation, Gas Chromatography +11

Using supported liquid extraction together with cellobiohydrolase chiral stationary phases-based liquid chromatography with tandem mass spectrometry for enantioselective determination of acebutolol and its active metabolite diacetolol in spiked human plasma

Hongliang Jiang, Christopher Randlett, Heiko Junga et al. · Journal of Chromatography B · 2008 · 43 citations

Biochemistry, Gas Chromatography, Spiked Human Plasma +11

Development, validation and transfer of a hydrophilic interaction liquid chromatography/tandem mass spectrometric method for the analysis of the tobacco‐specific nitrosamine metabolite NNAL in human plasma at low picogram per milliliter concentrations

Jiongwei Pan, Qi Song, Haihong Shi et al. · Rapid Communications in Mass Spectrometry · 2004 · 41 citations

Separation of Nicotinic Acid and Six Metabolites within 60 Seconds Using High-Flow Gradient Chromatography on Silica Column with Tandem Mass Spectrometric Detection

A. C. Li, Y.-L. Chen, Heiko Junga et al. · Chromatographia · 2003 · 32 citations

Biochemistry, Separation Science, Medicine +12