Determination of purity values of amino acid reference materials by mass balance method: an approach to the quantification of related structure impurities
Liu, Hong, Cheow, Pui Sze, Yong, Sharon, Chen, Yizhao, Liu, Qinde, Teo, Tang Lin, Lee, Tong Kooi
Published in Analytical and bioanalytical chemistry (01.11.2020)
Published in Analytical and bioanalytical chemistry (01.11.2020)
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Journal Article
Simple and accurate candidate reference measurement procedure for total testosterone in human serum by one-step liquid-liquid extraction coupled with isotope dilution mass spectrometry
Chen, Yizhao, Teo, Hui Ling, Liu, Hong, Loh, Tze Ping, Liu, Qinde, Teo, Tang Lin, Lee, Tong Kooi, Sethi, Sunil Kumar
Published in Analytical and bioanalytical chemistry (01.11.2019)
Published in Analytical and bioanalytical chemistry (01.11.2019)
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Journal Article
Optimisation of extraction methods and quantification of benzo[a]pyrene and benz[a]anthracene in yerba maté tea by isotope dilution mass spectrometry
Gui, Ee Mei, Lu, Ting, Teo, Tang Lin, Cheow, Pui Sze, Lee, Tong Kooi
Published in Analytical and bioanalytical chemistry (01.10.2017)
Published in Analytical and bioanalytical chemistry (01.10.2017)
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Journal Article
Enhancing the accuracy of measurement of small molecule organic biomarkers
Teo, Tang Lin, Lippa, Katrice A., Mackay, Lindsey, Yong, Sharon, Liu, Qinde, Camara, Johanna E., Delatour, Vincent, Lee, Tong Kooi, Lalere, Béatrice, O’ Connor, Gavin, Henrion, André, Kato, Megumi, Numata, Masahiko, Kwon, Ha-Jeong, Jeong, Ji-Seon, Xu, Bei, Song, Dewei, Nammoonnoy, Jintana, Wollinger, Wagner
Published in Analytical and bioanalytical chemistry (01.11.2019)
Published in Analytical and bioanalytical chemistry (01.11.2019)
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Journal Article
Determination of cyanuric acid using exact matching isotope dilution mass spectrometry
Koh, Guiwan, Gui, Ee-mei, Teo, Tang-Lin, Lee, Tong-Kooi
Published in Journal of separation science (01.03.2013)
Published in Journal of separation science (01.03.2013)
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Journal Article
Measurement of urine albumin by liquid chromatography-isotope dilution tandem mass spectrometry and its application to value assignment of external quality assessment samples and certification of reference materials
Chen, Yizhao, Liu, Hong, Loh, Tze Ping, Liu, Qinde, Teo, Tang Lin, Lee, Tong Kooi, Sethi, Sunil Kumar
Published in Clinical chemistry and laboratory medicine (26.03.2021)
Published in Clinical chemistry and laboratory medicine (26.03.2021)
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Journal Article
An accuracy-based proficiency testing programme with metrological reference values for the mass fraction of acesulfame potassium and sucralose in cake mix flour
Cheow, Pui Sze, Teo, Tang Lin, Lu, Ting, Gui, Ee Mei, Lee, Tong Kooi
Published in Accreditation and quality assurance (01.12.2020)
Published in Accreditation and quality assurance (01.12.2020)
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Journal Article
Achieving comparability with IFCC reference method for the measurement of hemoglobin A1c by use of an improved isotope-dilution mass spectrometry method
Liu, Hong, Wong, Lingkai, Yong, Sharon, Liu, Qinde, Lee, Tong Kooi
Published in Analytical and bioanalytical chemistry (01.10.2015)
Published in Analytical and bioanalytical chemistry (01.10.2015)
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Journal Article
Response to Letter to the Editor regarding “Achieving comparability with IFCC reference method for the measurement of hemoglobin A1c by use of an improved isotope-dilution mass spectrometry method”
Liu, Hong, Wong, Lingkai, Yong, Sharon, Liu, Qinde, Teo, Tang Lin, Lee, Tong Kooi
Published in Analytical and bioanalytical chemistry (01.09.2017)
Published in Analytical and bioanalytical chemistry (01.09.2017)
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Journal Article
Development of a mushroom powder Certified Reference Material for calcium, arsenic, cadmium and lead measurements
Chew, Gina, Sim, Lay Peng, Ng, Sin Yee, Ding, Yi, Shin, Richard Y.C., Lee, Tong Kooi
Published in Food chemistry (01.01.2016)
Published in Food chemistry (01.01.2016)
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Journal Article
Commutable whole blood reference materials for hemoglobin A1c validated on multiple clinical analyzers
Liu, Hong, Wong, Lingkai, Yong, Sharon, Liu, Qinde, Teo, Tang Lin, Lee, Tong Kooi, Loh, Tze Ping, Sethi, Sunil Kumar, Wong, Moh Sim, Cosio, Shelia Marie Delos Santos, Ho, Clement K.M., Setoh, Johnson Weng Sung, Lim, Sok Fong Maria, Lee, Grace Lay Lay, Khalid, Hafash, Lim, Sharine, Lam, Choong-Weng, Lee, Mee-Yin, Yeo, Chin Pin, Chincholkar, Pallavi Ravikiran, Hawkins, Robert, Ng, Bih-Yann
Published in Clinical chemistry and laboratory medicine (24.04.2019)
Published in Clinical chemistry and laboratory medicine (24.04.2019)
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Journal Article
High accuracy analysis of glucose in human serum by isotope dilution liquid chromatography-tandem mass spectrometry
Chen, Yizhao, Liu, Qinde, Yong, Sharon, Lee, Tong Kooi
Published in Clinica chimica acta (11.04.2012)
Published in Clinica chimica acta (11.04.2012)
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Journal Article
Response to Letter to the Editor regarding "Achieving comparability with IFCC reference method for the measurement of hemoglobin A.sub.1c by use of an improved isotope-dilution mass spectrometry method"
Liu, Hong, Wong, Lingkai, Yong, Sharon, Liu, Qinde, Teo, Tang Lin, Lee, Tong Kooi
Published in Analytical and bioanalytical chemistry (01.09.2017)
Published in Analytical and bioanalytical chemistry (01.09.2017)
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Journal Article
Simple and accurate measurement of carbamazepine in surface water by use of porous membrane-protected micro-solid-phase extraction coupled with isotope dilution mass spectrometry
Teo, Hui Ling, Wong, Lingkai, Liu, Qinde, Teo, Tang Lin, Lee, Tong Kooi, Lee, Hian Kee
Published in Analytica chimica acta (17.03.2016)
Published in Analytica chimica acta (17.03.2016)
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Journal Article
Improving the accuracy of chloride measurements through participation in regular external quality assessment programme
Yu, Wesley Zongrong, Liu, Qinde, Leung, Ho Wah, Tong, Benny M.K., Chew, Gina, Lee, Tong Kooi, Shin, Richard Y.C., Teo, Tang Lin, Sethi, Sunil Kumar
Published in Journal of trace elements in medicine and biology (01.12.2021)
Published in Journal of trace elements in medicine and biology (01.12.2021)
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Journal Article
Liquid chromatography–isotope dilution tandem mass spectrometry method for the measurement of urea in human serum and assignment of reference values to external quality assessment samples
Yong, Sharon, Liu, Hong, Wong, Lingkai, Teo, Hui Ling, Chen, Yizhao, Liu, Qinde, Teo, Tang Lin, Lee, Tong Kooi
Published in International journal of mass spectrometry (01.03.2017)
Published in International journal of mass spectrometry (01.03.2017)
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