Wang Hsien Ding
Chung W, Tzing S, Ding W. Optimization of dispersive micro solid-phase extraction for the rapid determination of benzophenone-type ultraviolet absorbers in aqueous samples. J Chromatogr A. 2015;1411:17-22 pubmed publisher
..Using a standard addition method, the total concentrations of these compounds ranged from 5.1 to 74.8ng/L. ..
Chen T, Tzing S, Ding W. Rapid screening of haloacetamides in water using salt-assisted liquid-liquid extraction coupled injection-port silylation gas chromatography-mass spectrometry. J Chromatogr A. 2015;1422:340-344 pubmed publisher
..The SALLE plus IPS-GC-MS was successfully applied to quantitatively determine HAcAms from drinking and swimming pool water samples, and the total concentrations of the compounds ranged from 0.43 to 4.03Î¼g/L. ..
Djatmika R, Hsieh C, Chen J, Ding W. Determination of paraben preservatives in seafood using matrix solid-phase dispersion and on-line acetylation gas chromatography-mass spectrometry. J Chromatogr B Analyt Technol Biomed Life Sci. 2016;1036-1037:93-99 pubmed publisher
..The limits of quantitation (LOQs) were 0.2 to 1.0ng/g (dry weight). Preliminary results showed that the total concentrations of four selected parabens ranged from 16.7 to 44.7ng/g (dry weight). ..
Chen Y, Chang C, Ding W. Vortex-homogenized matrix solid-phase dispersion for the extraction of short chain chlorinated paraffins from indoor dust samples. J Chromatogr A. 2016;1472:129-133 pubmed publisher
..The VH-MSPD combined with GC-ECNI-MS was successfully applied to quantitatively detect SCCPs from various indoor dust samples, and the concentrations ranged from 1.2 to 31.2?g/g. ..
Hui Ting Z, Ding E, Ding W. Determination of parabens in human urine by optimal ultrasound-assisted emulsification microextraction and on-line acetylation gas chromatography-mass spectrometry. J Chromatogr B Analyt Technol Biomed Life Sci. 2017;1058:14-18 pubmed publisher
..Female urine samples showed higher concentrations for the target parabens, which may indicate higher exposure due to lifestyle. This method permits accurate and high-throughput analysis of parabens for epidemiological studies. ..
Chung S, Ding W. Isotope-dilution gas chromatography-mass spectrometry coupled with injection-port butylation for the determination of 4-t-octylphenol, 4-nonylphenols and bisphenol A in human urine. J Pharm Biomed Anal. 2018;149:572-576 pubmed publisher
..The developed method allows accurate analysis of trace-level of EDCs in urine, and these target EDCs could act as useful biomarkers to assess exposure in biomonitoring studies and programs. ..