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Hian Kee Lee

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TOP 3
Liang Guo; Hian Kee Lee
Microwave assisted extraction combined with solvent bar microextraction for one-step solvent-minimized extraction, cleanup and preconcentration of polycyclic aromatic hydrocarbons in soil samples.
Yufeng Zhang; Hian Kee Lee
Low-density solvent-based vortex-assisted surfactant-enhanced-emulsification liquid-liquid microextraction combined with gas chromatography-mass spectrometry for the fast determination of phthalate esters in bottled water.
Yufeng Zhang; Hian Kee Lee
Liquid phase microextraction using knitting wool as the extractant phase holder before chromatographic analysis: a new approach for trace analysis.

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All Publications

2013: Liang Guo; Hian Kee Lee
Microwave assisted extraction combined with solvent bar microextraction for one-step solvent-minimized extraction, cleanup and preconcentration of polycyclic aromatic hydrocarbons in soil samples.
Journal of chromatography. A 2013;1286():9-15.
2013: Yufeng Zhang; Hian Kee Lee
Low-density solvent-based vortex-assisted surfactant-enhanced-emulsification liquid-liquid microextraction combined with gas chromatography-mass spectrometry for the fast determination of phthalate esters in bottled water.
Journal of chromatography. A 2013;1274():28-35.
2013: Yufeng Zhang; Hian Kee Lee
Liquid phase microextraction using knitting wool as the extractant phase holder before chromatographic analysis: a new approach for trace analysis.
Journal of chromatography. A 2013;1273():12-7.
2013: Yufeng Zhang; Hian Kee Lee
Determination of ultraviolet filters in environmental water samples by temperature-controlled ionic liquid dispersive liquid-phase microextraction.
Journal of chromatography. A 2013;1271(1):56-61.
2012: Sivarajan Kanimozhi; Kelvin Ang; Chanbasha Basheer; Shanmugam Neveliappan; Feng Xue; Hian Kee Lee
Investigation of bioaccumulation profile of oestrogens in zebrafish liver by hollow fibre protected liquid phase microextraction with gas chromatography-mass spectrometric detection.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences 2012;909():37-41.
2012: Dandan Ge; Hian Kee Lee
Sonication-assisted emulsification microextraction combined with vortex-assisted porous membrane-protected micro-solid-phase extraction using mixed zeolitic imidazolate frameworks 8 as sorbent.
Journal of chromatography. A 2012;1263():1-6.
2012: Yufeng Zhang; Hian Kee Lee
Ionic liquid-based ultrasound-assisted dispersive liquid-liquid microextraction followed high-performance liquid chromatography for the determination of ultraviolet filters in environmental water samples.
Analytica chimica acta 2012;750():120-6.
2012: Dandan Ge; Hian Kee Lee
Zeolite imidazolate frameworks 8 as sorbent and its application to sonication-assisted emulsification microextraction combined with vortex-assisted porous membrane-protected micro-solid-phase extraction for fast analysis of acidic drugs in environmental water samples.
Journal of chromatography. A 2012;1257():19-24.
2012: Hong Zhang; Hian Kee Lee
Simultaneous determination of ultraviolet filters in aqueous samples by plunger-in-needle solid-phase microextraction with graphene-based sol-gel coating as sorbent coupled with gas chromatography-mass spectrometry.
Analytica chimica acta 2012;742():67-73.
2012: Hian Kee Lee
Analytica Chimica Acta. 13th International Symposium on Advances in Extraction Technologies. Preface.
Analytica chimica acta 2012;742():1.
2012: Yufeng Zhang; Hian Kee Lee
Application of ultrasound-assisted emulsification microextraction based on applying low-density organic solvent for the determination of organochlorine pesticides in water samples.
Journal of chromatography. A 2012;1252():67-73.
2012: Tsze Yin Tan; Kai Perng Ng; Chanbasha Basheer; Hian Kee Lee
Electro membrane extraction of biological anions with ion chromatographic analysis.
Analytica chimica acta 2012;739():31-6.
2012: Dandan Ge; Hian Kee Lee
A new 1-hexyl-3-methylimidazolium tris(pentafluoroethyl)trifluorophosphate ionic liquid based ultrasound-assisted emulsification microextraction for the determination of organic ultraviolet filters in environmental water samples.
Journal of chromatography. A 2012;1251():27-32.
2012: Seyed Mohammad Majedi; Hian Kee Lee; Barry C Kelly
Chemometric analytical approach for the cloud point extraction and inductively coupled plasma mass spectrometric determination of zinc oxide nanoparticles in water samples.
Analytical chemistry 2012;84(15):6546-52.
2012: Yufeng Zhang; Hian Kee Lee
Determination of ultraviolet filters in water samples by vortex-assisted dispersive liquid-liquid microextraction followed by gas chromatography-mass spectrometry.
Journal of chromatography. A 2012;1249():25-31.
2012: Liang Guo; Hian Kee Lee
Electro membrane extraction followed by low-density solvent based ultrasound-assisted emulsification microextraction combined with derivatization for determining chlorophenols and analysis by gas chromatography-mass spectrometry.
Journal of chromatography. A 2012;1243():14-22.
2012: Liang Guo; Hian Kee Lee
One step solvent bar microextraction and derivatization followed by gas chromatography-mass spectrometry for the determination of pharmaceutically active compounds in drain water samples.
Journal of chromatography. A 2012;1235():26-33.
2012: Liang Guo; Hian Kee Lee
Low-density solvent based ultrasound-assisted emulsification microextraction and on-column derivatization combined with gas chromatography-mass spectrometry for the determination of carbamate pesticides in environmental water samples.
Journal of chromatography. A 2012;1235():1-9.
2012: Hong Zhang; Wei Ping Low; Hian Kee Lee
Evaluation of sulfonated graphene sheets as sorbent for micro-solid-phase extraction combined with gas chromatography-mass spectrometry.
Journal of chromatography. A 2012;1233():16-21.
2012: Dandan Ge; Hian Kee Lee
Ionic liquid based hollow fiber supported liquid phase microextraction of ultraviolet filters.
Journal of chromatography. A 2012;1229():1-5.
2011: Dandan Ge; Hian Kee Lee
Water stability of zeolite imidazolate framework 8 and application to porous membrane-protected micro-solid-phase extraction of polycyclic aromatic hydrocarbons from environmental water samples.
Journal of chromatography. A 2011;1218(47):8490-5.
2011: Khalid Alhooshani; Chanbasha Basheer; Astrid Gjelstad; Jagjit Kaur; Stig Pedersen-Bjergaard; Knut Einar Rasmussen; Hian Kee Lee
Electromembrane extraction and HPLC analysis of haloacetic acids and aromatic acetic acids in wastewater.
Talanta 2011;86():109-13.
2011: Jingyi Lee; Hian Kee Lee
Fully automated dynamic in-syringe liquid-phase microextraction and on-column derivatization of carbamate pesticides with gas chromatography/mass spectrometric analysis.
Analytical chemistry 2011;83(17):6856-61.
2011: Hong Zhang; Hian Kee Lee
Plunger-in-needle solid-phase microextraction with graphene-based sol-gel coating as sorbent for determination of polybrominated diphenyl ethers.
Journal of chromatography. A 2011;1218(28):4509-16.
2011: Liang Guo; Hian Kee Lee
Ionic liquid based three-phase liquid-liquid-liquid solvent bar microextraction for the determination of phenols in seawater samples.
Journal of chromatography. A 2011;1218(28):4299-306.
2011: Chanbasha Basheer; Ahmad Makahleh; Bahruddin Saad; Abdussalam Salhin; Abdassalam Abdelhafiz Tameem; Weishan Wong; Hian Kee Lee
Hydrazone-based ligands for micro-solid phase extraction-high performance liquid chromatographic determination of biogenic amines in orange juice.
Journal of chromatography. A 2011;1218(28):4332-9.
2011: Sivarajan Kanimozhi; Chanbasha Basheer; Kothandaraman Narasimhan; Lin Liu; Stephen Koh; Feng Xue; Mahesh Choolani; Hian Kee Lee
Application of porous membrane protected micro-solid-phase-extraction combined with gas chromatography-mass spectrometry for the determination of estrogens in ovarian cyst fluid samples.
Analytica chimica acta 2011;687(1):56-60.
2011: Chanbasha Basheer; Ganapathy Balaji; Shi Hui Chua; Suresh Valiyaveettil; Hian Kee Lee
Novel on-site sample preparation approach with a portable agitator using functional polymer-coated multi-fibers for the microextraction of organophosphorus pesticides in seawater.
Journal of chromatography. A 2011;1218(5):654-61.
2010: Zhi-Guo Shi; Yufeng Zhang; Hian Kee Lee
Ferrofluid-based liquid-phase microextraction.
Journal of chromatography. A 2010;1217(47):7311-5.
2010: Jia Zhao; Daphane Tan; S K Thamarai Chelvi; E L Yong; Hian Kee Lee; Yinhan Gong
Preparation and application of rifamycin-capped (3-(2-O-β-cyclodextrin)-2-hydroxypropoxy)-propylsilyl-appended silica particles as chiral stationary phase for high-performance liquid chromatography.
Talanta 2010;83(1):286-90.
2010: Chanbasha Basheer; Jingyi Lee; Stig Pedersen-Bjergaard; Knut Einar Rasmussen; Hian Kee Lee
Simultaneous extraction of acidic and basic drugs at neutral sample pH: a novel electro-mediated microextraction approach.
Journal of chromatography. A 2010;1217(43):6661-7.
2010: Chanbasha Basheer; Shruti Pavagadhi; Huixin Yu; Rajasekhar Balasubramanian; Hian Kee Lee
Determination of aldehydes in rainwater using micro-solid-phase extraction and high-performance liquid chromatography.
Journal of chromatography. A 2010;1217(41):6366-72.
2010: Li Xu; Chanbasha Basheer; Hian Kee Lee
Solvent-bar microextraction of herbicides combined with non-aqueous field-amplified sample injection capillary electrophoresis.
Journal of chromatography. A 2010;1217(39):6036-43.
2010: Lin Zhuo; Yan Huang; Ming Soon Cheng; Hian Kee Lee; Chee-Seng Toh
Nanoarray membrane sensor based on a multilayer design for sensing of water pollutants.
Analytical chemistry 2010;82(11):4329-32.
2010: Jie Zhang; Hian Kee Lee
Headspace ionic liquid-based microdrop liquid-phase microextraction followed by microdrop thermal desorption-gas chromatographic analysis.
Talanta 2010;81(1-2):537-42.
2010: Zhi-Guo Shi; Hian Kee Lee
Dispersive liquid-liquid microextraction coupled with dispersive micro-solid-phase extraction for the fast determination of polycyclic aromatic hydrocarbons in environmental water samples.
Analytical chemistry 2010;82(4):1540-5.
2009: Sini George; Hian Kee Lee
Direct electrochemistry and electrocatalysis of hemoglobin in nafion/carbon nanochip film on glassy carbon electrode.
The journal of physical chemistry. B 2009;113(47):15445-54.
2009: Jingyi Lee; Faezeh Khalilian; Habib Bagheri; Hian Kee Lee
Optimization of some experimental parameters in the electro membrane extraction of chlorophenols from seawater.
Journal of chromatography. A 2009;1216(45):7687-93.
2009: Toh Ming Hii; Chanbasha Basheer; Hian Kee Lee
Commercial polymeric fiber as sorbent for solid-phase microextraction combined with high-performance liquid chromatography for the determination of polycyclic aromatic hydrocarbons in water.
Journal of chromatography. A 2009;1216(44):7520-6.
2009: Jie Zhang; Hian Kee Lee
Application of dynamic liquid-phase microextraction and injection port derivatization combined with gas chromatography-mass spectrometry to the determination of acidic pharmaceutically active compounds in water samples.
Journal of chromatography. A 2009;1216(44):7527-32.
2009: Li Xu; Hian Kee Lee
Sulfonated polyvinyl chloride fibers for cation-exchange microextraction.
Journal of chromatography. A 2009;1216(38):6549-53.
2009: Li Xu; Peter C Hauser; Hian Kee Lee
Determination of nerve agent degradation products by capillary electrophoresis using field-amplified sample stacking injection with the electroosmotic flow pump and contactless conductivity detection.
Journal of chromatography. A 2009;1216(31):5911-6.
2009: Li Xu; Hian Kee Lee
Solvent-bar microextraction--using a silica monolith as the extractant phase holder.
Journal of chromatography. A 2009;1216(29):5483-8.
2009: Mardiana Saaid; Bahruddin Saad; Abdussalam Salhin Mohamed Ali; Muhammad Idiris Saleh; Chanbasha Basheer; Hian Kee Lee
In situ derivatization hollow fibre liquid-phase microextraction for the determination of biogenic amines in food samples.
Journal of chromatography. A 2009;1216(27):5165-70.
2009: Li Xu; Chanbasha Basheer; Hian Kee Lee
Chemical reactions in liquid-phase microextraction.
Journal of chromatography. A 2009;1216(4):701-7.
2009: Chanbasha Basheer; Anass Ali Alnedhary; B S Madhava Rao; Hian Kee Lee
Determination of carbamate pesticides using micro-solid-phase extraction combined with high-performance liquid chromatography.
Journal of chromatography. A 2009;1216(2):211-6.
2008: Li Xu; Peter C Hauser; Hian Kee Lee
Electro membrane isolation of nerve agent degradation products across a supported liquid membrane followed by capillary electrophoresis with contactless conductivity detection.
Journal of chromatography. A 2008;1214(1-2):17-22.
2008: Chanbasha Basheer; Shu Hui Tan; Hian Kee Lee
Extraction of lead ions by electromembrane isolation.
Journal of chromatography. A 2008;1213(1):14-8.
2008: Chanbasha Basheer; Anass Ali Alnedhary; B S Madhava Rao; Rajasekhar Balasubramanian; Hian Kee Lee
Ionic liquid supported three-phase liquid-liquid-liquid microextraction as a sample preparation technique for aliphatic and aromatic hydrocarbons prior to gas chromatography-mass spectrometry.
Journal of chromatography. A 2008;1210(1):19-24.
2008: Li Xu; Xiao Yang Gong; Hian Kee Lee; Peter C Hauser
Ion-pair liquid-liquid-liquid microextraction of nerve agent degradation products followed by capillary electrophoresis with contactless conductivity detection.
Journal of chromatography. A 2008;1205(1-2):158-62.
2008: Jingyi Lee; Hian Kee Lee; Knut E Rasmussen; Stig Pedersen-Bjergaard
Environmental and bioanalytical applications of hollow fiber membrane liquid-phase microextraction: a review.
Analytica chimica acta 2008;624(2):253-68.
2008: Hoi Sim Nancy Lee; Mui Tiang Sng; Chanbasha Basheer; Hian Kee Lee
Determination of basic degradation products of chemical warfare agents in water using hollow fibre-protected liquid-phase microextraction with in-situ derivatisation followed by gas chromatography-mass spectrometry.
Journal of chromatography. A 2008;1196-1197():125-32.
2008: Li Xu; Hian Kee Lee
Preparation, characterization and analytical application of a hybrid organic-inorganic silica-based monolith.
Journal of chromatography. A 2008;1195(1-2):78-84.
2008: Li Xu; Hian Kee Lee
Novel approach to microwave-assisted extraction and micro-solid-phase extraction from soil using graphite fibers as sorbent.
Journal of chromatography. A 2008;1192(2):203-7.
2008: Chanbasha Basheer; Narasimhan Kothandaraman; Meihui Yin; Changqing Zhao; Mahesh Choolani; Hian Kee Lee
Application of micro-solid-phase extraction for the determination of persistent organic pollutants in tissue samples.
Journal of chromatography. A 2008;1186(1-2):358-64.
2007: Chanbasha Basheer; Anass Ali Alnedhary; B S Madhava Rao; Hian Kee Lee
Determination of organophosphorous pesticides in wastewater samples using binary-solvent liquid-phase microextraction and solid-phase microextraction: a comparative study.
Analytica chimica acta 2007;605(2):147-52.
2007: Yinhan Gong; See Chung Yip; Sennappan Kanagamani Thamarai; Jie Zhang; Hian Kee Lee; Eu Leong Yong
Trace analysis of icariin in human serum with dansyl chloride derivatization after oral administration of Epimedium decoction by liquid chromatography tandem mass spectrometry.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences 2007;860(2):166-72.
2007: Chanbasha Basheer; Hian Kee Lee
Determination of copper(I) and copper(II) ions after complexation with bicinchoninic acid by CE.
Electrophoresis 2007;28(19):3520-5.
2007: Chanbasha Basheer; Han Guang Chong; Toh Ming Hii; Hian Kee Lee
Application of porous membrane-protected micro-solid-phase extraction combined with HPLC for the analysis of acidic drugs in wastewater.
Analytical chemistry 2007;79(17):6845-50.
2007: Li Xu; Hian Kee Lee
Zirconia hollow fiber: preparation, characterization, and microextraction application.
Analytical chemistry 2007;79(14):5241-8.
2007: Li Xu; Chanbasha Basheer; Hian Kee Lee
Developments in single-drop microextraction.
Journal of chromatography. A 2007;1152(1-2):184-92.
2007: Hoi Sim Nancy Lee; Mui Tiang Sng; Chanbasha Basheer; Hian Kee Lee
Determination of degradation products of chemical warfare agents in water using hollow fibre-protected liquid-phase microextraction with in-situ derivatisation followed by gas chromatography-mass spectrometry.
Journal of chromatography. A 2007;1148(1):8-15.
2007: Chanbasha Basheer; Muthalagu Vetrichelvan; Suresh Valiyaveettil; Hian Kee Lee
On-site polymer-coated hollow fiber membrane microextraction and gas chromatography--mass spectrometry of polychlorinated biphenyls and polybrominated diphenyl ethers.
Journal of chromatography. A 2007;1139(2):157-64.
2006: Jingming Wu; Hian Kee Lee
Ion-pair dynamic liquid-phase microextraction combined with injection-port derivatization for the determination of long-chain fatty acids in water samples.
Journal of chromatography. A 2006;1133(1-2):13-20.
2006: Jingming Wu; Hian Kee Lee
Injection port derivatization following ion-pair hollow fiber-protected liquid-phase microextraction for determining acidic herbicides by gas chromatography/mass spectrometry.
Analytical chemistry 2006;78(20):7292-301.
2006: Chanbasha Basheer; Huijuan Wang; Akhila Jayaraman; Suresh Valiyaveettil; Hian Kee Lee
Polymer-coated hollow fiber microextraction combined with on-column stacking in capillary electrophoresis.
Journal of chromatography. A 2006;1128(1-2):267-72.
2006: Yi He; Hian Kee Lee
Continuous flow microextraction combined with high-performance liquid chromatography for the analysis of pesticides in natural waters.
Journal of chromatography. A 2006;1122(1-2):7-12.
2006: Jie Zhang; Tao Su; Hian Kee Lee
Development and application of microporous hollow fiber protected liquid-phase microextraction via gaseous diffusion to the determination of phenols in water.
Journal of chromatography. A 2006;1121(1):10-5.
2006: Jie Zhang; Hian Kee Lee
Application of liquid-phase microextraction and on-column derivatization combined with gas chromatography-mass spectrometry to the determination of carbamate pesticides.
Journal of chromatography. A 2006;1117(1):31-7.
2006: Chanbasha Basheer; Anass Ali Alnedhary; B S Madhava Rao; Suresh Valliyaveettil; Hian Kee Lee
Development and application of porous membrane-protected carbon nanotube micro-solid-phase extraction combined with gas chromatography/mass spectrometry.
Analytical chemistry 2006;78(8):2853-8.
2005: Chanbasha Basheer; Akhila Jayaraman; Meng Keow Kee; Suresh Valiyaveettil; Hian Kee Lee
Polymer-coated hollow-fiber microextraction of estrogens in water samples with analysis by gas chromatography-mass spectrometry.
Journal of chromatography. A 2005;1100(2):137-43.
2005: Jingming Wu; Hian Kee Lee
Orthogonal array designs for the optimization of liquid-liquid-liquid microextraction of nonsteroidal anti-inflammatory drugs combined with high-performance liquid chromatography-ultraviolet detection.
Journal of chromatography. A 2005;1092(2):182-90.
2005: Stephane BAYEN; Oliver Wurl; Subramanian Karuppiah; N Sivasothi; Hian Kee Lee; Jeffrey Philip Obbard
Persistent organic pollutants in mangrove food webs in Singapore.
Chemosphere 2005;61(3):303-13.
2005: Xianmin Jiang; Chanbasha Basheer; Jie Zhang; Hian Kee Lee
Dynamic hollow fiber-supported headspace liquid-phase microextraction.
Journal of chromatography. A 2005;1087(1-2):289-94.
2005: Chanbasha Basheer; Anbanandam Parthiban; Akhila Jayaraman; Hian Kee Lee; Suresh Valiyaveettil
Determination of alkylphenols and bisphenol-A. A comparative investigation of functional polymer-coated membrane microextraction and solid-phase microextraction techniques.
Journal of chromatography. A 2005;1087(1-2):274-82.
2005: Chanbasha Basheer; Subbiah Jegadesan; Suresh Valiyaveettil; Hian Kee Lee
Sol-gel-coated oligomers as novel stationary phases for solid-phase microextraction.
Journal of chromatography. A 2005;1087(1-2):252-8.
2005: Jingming Wu; Kim Huey Ee; Hian Kee Lee
Automated dynamic liquid-liquid-liquid microextraction followed by high-performance liquid chromatography-ultraviolet detection for the determination of phenoxy acid herbicides in environmental waters.
Journal of chromatography. A 2005;1082(2):121-7.
2005: Jie Zhang; Tao Su; Hian Kee Lee
Headspace water-based liquid-phase microextraction.
Analytical chemistry 2005;77(7):1988-92.
2005: Chanbasha Basheer; Jeffrey Philip Obbard; Hian Kee Lee
Analysis of persistent organic pollutants in marine sediments using a novel microwave assisted solvent extraction and liquid-phase microextraction technique.
Journal of chromatography. A 2005;1068(2):221-8.
2005: Xianmin Jiang; Sze Yin Oh; Hian Kee Lee
Dynamic liquid-liquid-liquid microextraction with automated movement of the acceptor phase.
Analytical chemistry 2005;77(6):1689-95.
2005: Stephane BAYEN; Philip Barlow; Hian Kee Lee; Jeffrey Philip Obbard
Effect of cooking on the loss of persistent organic pollutants from salmon.
Journal of toxicology and environmental health. Part A 2005;68(4):253-65.
2005: Stephane BAYEN; Elena Koroleva; Hian Kee Lee; Jeffrey Philip Obbard
Persistent organic pollutants and heavy metals in typical seafoods consumed in Singapore.
Journal of toxicology and environmental health. Part A 2005;68(3):151-66.
2005: Chanbasha Basheer; Sindhu Swaminathan; Hian Kee Lee; Suresh Valiyaveettil
Development and application of a simple capillary-microreactor for oxidation of glucose with a porous gold catalyst.
Chemical communications (Cambridge, England) 2005;(3):409-10.
2005: Stephane BAYEN; Pierre Giusti; Hian Kee Lee; Philip John Barlow; Jeffrey Philip Obard
Bioaccumulation of DDT pesticide in cultured Asian seabass following dietary exposure.
Journal of toxicology and environmental health. Part A 2005;68(1):51-65.
2004: Chanbasha Basheer; Hian Kee Lee
Analysis of endocrine disrupting alkylphenols, chlorophenols and bisphenol-A using hollow fiber-protected liquid-phase microextraction coupled with injection port-derivatization gas chromatography-mass spectrometry.
Journal of chromatography. A 2004;1057(1-2):163-9.
2004: Stephane BAYEN; Yinhan Gong; Hong Soon Chin; Hian Kee Lee; Yong Eu Leong; Jeffrey Philip Obbard
Androgenic and estrogenic response of green mussel extracts from Singapore's coastal environment using a human cell-based bioassay.
Environmental health perspectives 2004;112(15):1467-71.
2004: Xianmin Jiang; Hian Kee Lee
Solvent bar microextraction.
Analytical chemistry 2004;76(18):5591-6.
2004: Chanbasha Basheer; Hian Kee Lee
Hollow fiber membrane-protected solid-phase microextraction of triazine herbicides in bovine milk and sewage sludge samples.
Journal of chromatography. A 2004;1047(2):189-94.
2004: Li Hou; Hian Kee Lee
Determination of pesticides in soil by liquid-phase microextraction and gas chromatography-mass spectrometry.
Journal of chromatography. A 2004;1038(1-2):37-42.
2004: Chanbasha Basheer; Hian Kee Lee; Kevin S W Tan
Endocrine disrupting alkylphenols and bisphenol-A in coastal waters and supermarket seafood from Singapore.
Marine pollution bulletin 2004;48(11-12):1161-7.
2004: Stephane BAYEN; Hian Kee Lee; Jeffrey Philip Obbard
Determination of polybrominated diphenyl ethers in marine biological tissues using microwave-assisted extraction.
Journal of chromatography. A 2004;1035(2):291-4.
2004: Chanbasha Basheer; Valiyaveettil Suresh; Ravindranath Renu; Hian Kee Lee
Development and application of polymer-coated hollow fiber membrane microextraction to the determination of organochlorine pesticides in water.
Journal of chromatography. A 2004;1033(2):213-20.
2004: Chanbasha Basheer; Hian Kee Lee; Jeffrey Philip Obbard
Application of liquid-phase microextraction and gas chromatography-mass spectrometry for the determination of polychlorinated biphenyls in blood plasma.
Journal of chromatography. A 2004;1022(1-2):161-9.
2004: Xiujuan Wen; Chuanhong Tu; Hian Kee Lee
Two-step liquid-liquid-liquid microextraction of nonsteroidal antiinflammatory drugs in wastewater.
Analytical chemistry 2004;76(1):228-32.
2003: Chanbasha Basheer; Rajasekhar Balasubramanian; Hian Kee Lee
Determination of organic micropollutants in rainwater using hollow fiber membrane/liquid-phase microextraction combined with gas chromatography-mass spectrometry.
Journal of chromatography. A 2003;1016(1):11-20.
2003: Lei Sun; Hian Kee Lee
Optimization of microwave-assisted extraction and supercritical fluid extraction of carbamate pesticides in soil by experimental design methodology.
Journal of chromatography. A 2003;1014(1-2):165-77.
2003: Lei Sun; Hian Kee Lee
Stability studies of propoxur herbicide in environmental water samples by liquid chromatography-atmospheric pressure chemical ionization ion-trap mass spectrometry.
Journal of chromatography. A 2003;1014(1-2):153-63.
2003: Stephane BAYEN; Gareth O Thomas; Hian Kee Lee; Jeffrey Philip Obbard
Occurrence of polychlorinated biphenyls and polybrominated diphenyl ethers in green mussels (Perna viridis) from Singapore, Southeast Asia.
Environmental toxicology and chemistry / SETAC 2003;22(10):2432-7.
2003: Yinhan Gong; Yanqiao Xiang; Bingfang Yue; Guoping Xue; Jerald S Bradshaw; Hian Kee Lee; Milton L Lee
Application of diaza-18-crown-6-capped beta-cyclodextrin bonded silica particles as chiral stationary phases for ultrahigh pressure capillary liquid chromatography.
Journal of chromatography. A 2003;1002(1-2):63-70.
2003: Li Hou; Hian Kee Lee
Dynamic three-phase microextraction as a sample preparation technique prior to capillary electrophoresis.
Analytical chemistry 2003;75(11):2784-9.
2003: Chuanhong Tu; Lingyan Zhu; Chay Hoon Ang; Hian Kee Lee
Effect of NaOH on large-volume sample stacking of haloacetic acids in capillary zone electrophoresis with a low-pH buffer.
Electrophoresis 2003;24(12-13):2188-92.
2003: Yinhan Gong; Hian Kee Lee
Application of cyclam-capped beta-cyclodextrin-bonded silica particles as a chiral stationary phase in capillary electrochromatography for enantiomeric separations.
Analytical chemistry 2003;75(6):1348-54.
2003: Gang Shen; Hian Kee Lee
Determination of triazines in soil by microwave-assisted extraction followed by solid-phase microextraction and gas chromatography-mass spectrometry.
Journal of chromatography. A 2003;985(1-2):167-74.
2003: Li Hou; Gang Shen; Hian Kee Lee
Automated hollow fiber-protected dynamic liquid-phase microextraction of pesticides for gas chromatography-mass spectrometric analysis.
Journal of chromatography. A 2003;985(1-2):107-16.
2003: Gang Shen; Hian Kee Lee
Headspace liquid-phase microextraction of chlorobenzenes in soil with gas chromatography-electron capture detection.
Analytical chemistry 2003;75(1):98-103.
2002: Li Hou; Xiujuan Wen; Chuanhong Tu; Hian Kee Lee
Combination of liquid-phase microextraction and on-column stacking for trace analysis of amino alcohols by capillary electrophoresis.
Journal of chromatography. A 2002;979(1-2):163-9.
2002: Lingyan Zhu; Chuanhong Tu; Hian Kee Lee
On-line concentration of acidic compounds by anion-selective exhaustive injection-sweeping-micellar electrokinetic chromatography.
Analytical chemistry 2002;74(22):5820-5.
2002: Xue Rong Zhu; Hian Kee Lee
Monitoring polychlorinated biphenyls in pine needles using supercritical fluid extraction as a pretreatment method.
Journal of chromatography. A 2002;976(1-2):393-8.
2002: Li Hou; Hian Kee Lee
Application of static and dynamic liquid-phase microextraction in the determination of polycyclic aromatic hydrocarbons.
Journal of chromatography. A 2002;976(1-2):377-85.
2002: Chanbasha Basheer; Hian Kee Lee; Jeffrey Philip Obbard
Determination of organochlorine pesticides in seawater using liquid-phase hollow fibre membrane microextraction and gas chromatography-mass spectrometry.
Journal of chromatography. A 2002;968(1-2):191-9.
2002: Chuanhong Tu; Hian Kee Lee
Determination of nitrate in seawater by capillary zone electrophoresis with chloride-induced sample self-stacking.
Journal of chromatography. A 2002;966(1-2):205-12.
2002: Lingyan Zhu; Kim Huey Ee; Limian Zhao; Hian Kee Lee
Analysis of phenoxy herbicides in bovine milk by means of liquid-liquid-liquid microextraction with a hollow-fiber membrane.
Journal of chromatography. A 2002;963(1-2):335-43.
2002: Limian Zhao; Lingyan Zhu; Hian Kee Lee
Analysis of aromatic amines in water samples by liquid-liquid-liquid microextraction with hollow fibers and high-performance liquid chromatography.
Journal of chromatography. A 2002;963(1-2):239-48.
2002: Lingyan Zhu; Chiew Boon Tay; Hian Kee Lee
Liquid-liquid-liquid microextraction of aromatic amines from water samples combined with high-performance liquid chromatography.
Journal of chromatography. A 2002;963(1-2):231-7.
2002: Chanbasha Basheer; Kevin S W Tan; Hian Kee Lee
Organotin and Irgarol-1051 contamination in Singapore coastal waters.
Marine pollution bulletin 2002;44(7):697-703.
2002: Limian Zhao; Hian Kee Lee
Liquid-phase microextraction combined with hollow fiber as a sample preparation technique prior to gas chromatography/mass spectrometry.
Analytical chemistry 2002;74(11):2486-92.
2002: Gang Shen; Hian Kee Lee
Hollow fiber-protected liquid-phase microextraction of triazine herbicides.
Analytical chemistry 2002;74(3):648-54.
2001: Lingyan Zhu; Chuanhong Tu; Hian Kee Lee
Liquid-phase microextraction of phenolic compounds combined with on-line preconcentration by field-amplified sample injection at low pH in micellar electrokinetic chromatography.
Analytical chemistry 2001;73(23):5655-60.
2001: N Li; Hian Kee Lee
Assessment of colloid formation and physical state distribution of trace polycyclic aromatic hydrocarbons in aqueous samples.
Analytical chemistry 2001;73(21):5201-6.
2001: Limian Zhao; Hian Kee Lee
Determination of phenols in water using liquid phase microextraction with back extraction combined with high-performance liquid chromatography.
Journal of chromatography. A 2001;931(1-2):95-105.
2001: Lingyan Zhu; Hian Kee Lee; B Lin; E S Yeung
Spatial temperature gradient capillary electrophoresis for DNA mutation detection.
Electrophoresis 2001;22(17):3683-7.
2001: Lingyan Zhu; L Zhu; Hian Kee Lee
Liquid-liquid-liquid microextraction of nitrophenols with a hollow fiber membrane prior to capillary liquid chromatography.
Journal of chromatography. A 2001;924(1-2):407-14.
2001: N Li; Hian Kee Lee
Solid-phase extraction of polycyclic aromatic hydrocarbons in surface water. Negative effect of humic acid.
Journal of chromatography. A 2001;921(2):255-63.
2001: Lingyan Zhu; Hian Kee Lee
Field-amplified sample injection combined with water removal by electroosmotic flow pump in acidic buffer for analysis of phenoxy acid herbicides by capillary electrophoresis.
Analytical chemistry 2001;73(13):3065-72.
2001: Limian Zhao; Hian Kee Lee
Application of static liquid-phase microextraction to the analysis of organochlorine pesticides in water.
Journal of chromatography. A 2001;919(2):381-8.
2001: YS Wu; Hian Kee Lee; Sam Fong Yau Li
High-performance chiral separation of fourteen triazole fungicides by sulfated beta-cyclodextrin-mediated capillary electrophoresis.
Journal of chromatography. A 2001;912(1):171-9.
2000: N Li; Hian Kee Lee
Tandem-cartridge solid-phase extraction followed by GC/MS analysis for measuring partition coefficients of association of polycyclic aromatic hydrocarbons to humic acid.
Analytical chemistry 2000;72(21):5272-9.
2000: R Sabapathy; W P Liu; A U Yap; Hian Kee Lee
Field amplified stacking injection--capillary electrophoresis for quantitative analysis of released methacrylic acid from dental composites.
Electrophoresis 2000;21(14):2886-90.
2000: N Li; Hian Kee Lee
Sample preparation based on dynamic ion-exchange solid-phase extraction for GC/MS analysis of acidic herbicides in environmental waters.
Analytical chemistry 2000;72(14):3077-84.
2000: YS Wu; Hian Kee Lee; Sam Fong Yau Li
Simultaneous chiral separation of triadimefon and triadimenol by sulfated beta-cyclodextrin-mediated capillary electrophoresis.
Electrophoresis 2000;21(8):1611-9.
2000: Marie-Laure Lesaicherre; Sam Fong Yau Li; Hian Kee Lee
Separation of polymerase chain reaction amplified bird genes by capillary electrophoresis.
Electrophoresis 2000;21(7):1336-40.
2000: Y He; Y Wang; Hian Kee Lee
Trace analysis of ten chlorinated benzenes in water by headspace solid-phase microextraction.
Journal of chromatography. A 2000;874(1):149-54.
1999: W Liu; Hian Kee Lee
Simultaneous analysis of lead, mercury and selenium species by capillary electrophoresis with combined ethylenediaminetetraacetic acid complexation and field-amplified stacking injection.
Electrophoresis 1999;20(12):2475-83.
1999: I Rodríguez; Hian Kee Lee; Sam Fong Yau Li
Ion-pair solid-phase extraction of biogenic amines before micellar electrokinetic chromatography with laser-induced fluorescence detection of their fluorescein thiocarbamyl derivatives.
Electrophoresis 1999;20(9):1862-8.
1999: Y He; Hian Kee Lee
Large-volume sample stacking in acidic buffer for analysis of small organic and inorganic anions by capillary electrophoresis.
Analytical chemistry 1999;71(5):995-1001.
1999: W Liu; Hian Kee Lee
Chemical modification of analytes in speciation analysis by capillary electrophoresis, liquid chromatography and gas chromatography.
Journal of chromatography. A 1999;834(1-2):45-63.
1999: LJ Jin; Y Wang; R Xu; Mei-Lin Go; Hian Kee Lee; Sam Fong Yau Li
Chiral resolution of atropine, homatropine and eight synthetic tropinyl and piperidinyl esters by capillary zone electrophoresis with cyclodextrin additives.
Electrophoresis 1999;20(1):198-203.
1999: I Rodríguez; Hian Kee Lee; Sam Fong Yau Li
Microchannel electrophoretic separation of biogenic amines by micellar electrokinetic chromatography.
Electrophoresis 1999;20(1):118-26.
1998: Y Wang; Y C Kwok; Y He; Hian Kee Lee
Application of dynamic liquid-phase microextraction to the analysis of chlorobenzenes in water by using a conventional microsyringe.
Analytical chemistry 1998;70(21):4610-4.
1998: W Liu; Hian Kee Lee
Use of triethylenetetraminehexaacetic Acid combined with field-amplified sample injection in speciation analysis by capillary electrophoresis.
Analytical chemistry 1998;70(13):2666-75.
1998: YS Wu; Hian Kee Lee; Sam Fong Yau Li
Rapid estimation of octanol-water partition coefficients of pesticides by micellar electrokinetic chromatography.
Electrophoresis 1998;19(10):1719-27.
1998: I Rodriguez; Hian Kee Lee; Sam Fong Yau Li
Capillary electrophoresis separation of p-sulfonated calix[n]arenes, n=4,6,8.
Talanta 1998;45(4):683-91.
1998: P Wang; Sam Fong Yau Li; Hian Kee Lee
Measurement of nitrate and chlorate in swimming pool water by capillary zone electrophoresis.
Talanta 1998;45(4):657-61.
1998: W Liu; Hian Kee Lee
Quantitative analysis of pesticides by capillary column high performance liquid chromatography combined with solid-phase extraction.
Talanta 1998;45(4):631-9.
1998: Y Zhang; Hian Kee Lee; Sam Fong Yau Li
Fluorescence detection in short capillary and chip using a variable wavelength epi-fluorescence microscope.
Talanta 1998;45(4):613-8.
1997: P Wang; Hian Kee Lee
Recent applications of high-performance liquid chromatography to the analysis of metal complexes.
Journal of chromatography. A 1997;789(1-2):437-51.
1997: Y He; Hian Kee Lee
Combination of solid-phase extraction and field-amplified concentration for trace analysis of organonitrogen pesticides by micellar electrokinetic chromatography.
Electrophoresis 1997;18(11):2036-41.
1997: I Rodriguez; Yong Zhang; Hian Kee Lee; Sam Fong Yau Li
Conventional capillary electrophoresis in comparison with short-capillary capillary electrophoresis and microfabricated glass chip capillary electrophoresis for the analysis of fluorescein isothiocyanate anti-human immunoglobulin G.
Journal of chromatography. A 1997;781(1-2):287-93.
1996: J Wu; M K Wong; Hian Kee Lee; B L Lee; CY Shi; C N Ong
Determination of heterocyclic amines in flame-grilled fish patty by capillary electrophoresis.
Food additives and contaminants 1996;13(7):851-61.
1996: J Wu; M K Wong; Hian Kee Lee; C N Ong
Orthogonal array design for optimizing the capillary zone electrophoretic analysis of heterocyclic amines.
Journal of chromatographic science 1996;34(3):139-45.
1994: C L Ng; C P Ong; Hian Kee Lee; Sam Fong Yau Li
Determination of pharmaceuticals and related impurities by capillary electrophoresis.
Journal of chromatography. A 1994;680(2):579-86.
1994: C P Ong; C L Ng; Hian Kee Lee; Sam Fong Yau Li
The use of mixed surfactants in micellar electrokinetic chromatography.
Electrophoresis 1994;15(10):1273-5.
1992: C L Ng; Hian Kee Lee; Sam Fong Yau Li
Analysis of food additives by ion-pairing electrokinetic chromatography.
Journal of chromatographic science 1992;30(5):167-70.
1991: C P Ong; C L Ng; Hian Kee Lee; Sam Fong Yau Li
Determination of antihistamines in pharmaceuticals by capillary electrophoresis.
Journal of chromatography 1991;588(1-2):335-9.
1990: C P Ong; C L Ng; N C Chong; Hian Kee Lee; Sam Fong Yau Li
Retention of eleven priority phenols using micellar electrokinetic chromatography.
Journal of chromatography 1990;516(1):263-70.
1990: C P Ong; Hian Kee Lee; Sam Fong Yau Li
Supercritical fluid extraction and chromatography of cholesterol in food samples.
Journal of chromatography 1990;515():509-13.
1989: C P Ong; Hian Kee Lee; Sam Fong Yau Li
Optimization of mobile phase composition for high-performance liquid chromatographic analysis of eleven priority substituted phenols.
Journal of chromatography 1989;464(2):405-10.