2001-02-20 | A study on purge efficiency in purge and trap analysis of VOCs in water | Lee, KJ; Pyo, H; Park, SJ; Yoo, EA; Lee, DW |
1996-12-06 | Analysis of mesocarb analogues in urine and plasma of rats by high-performance liquid chromatography and thermospray liquid chromatography mass spectrometry | Pyo, H; Park, SJ; Park, J; Yoo, JK; Yoon, B |
2005-02-28 | Determination of hydroxy-PCBs in urine by gas chromatography/mass spectrometry with solid-phase extraction and derivatization | Hong, JE; Pyo, H; Park, SJ; Lee, W |
2005-10 | Determination of mequitazine in human plasma by gas-chromatography/mass spectrometry with ion-trap detector and its pharmacokinetics after oral administration to volunteers | Kwon, OS; Kim, HJ; Pyo, H; Chung, SJ; Chung, YB |
2004-10-20 | Determination of persistent organochlorine pollutants in rat hair by gas chromatography-mass spectrometry | Shin, HS; Pyo, H; Park, SJ |
2005-08-29 | Development of the analytical method for 1,4-dioxane in water by liquid-liquid extraction | Park, YM; Pyo, H; Park, SJ; Park, SK |
2001-03-30 | Sensitive determination of bisphenol A in environmental water by gas chromatography with nitrogen-phosphorus detection after cyanomethylation | Shin, HS; Park, CH; Park, SJ; Pyo, H |
2005-05-10 | Solid-phase microextraction with on-fiber derivatization for the determination of hydroxy-polychlorinated biphenyl compounds in urine | Hong, JE; Pyo, H; Park, SJ; Lee, W |
2003-05-20 | Studies on the analysis of benzo(a)pyrene and its metabolites in biological samples by using high performance liquid chromatograpy/fluorescence detection and gas chromatography/mass spectrometry | Lee, W; Shin, HS; Hong, JE; Pyo, H; Kim, Y |
1998-01-20 | The analysis of common metabolites of organophosphorus pesticides in urine by gas chromatography mass spectrometry | Park, SS; Pyo, H; Lee, KJ; Park, SJ; Park, TK |
2003-09 | Use of stable isotopically labeled benzene to evaluate environmental exposures | Weisel, CP; Park, SS; Pyo, H; Mohan, K; Witz, G |