Uplc pda tqs system

Manufactured by Waters Corporation

Sourced in United Kingdom

The UPLC-PDA-TQS system is a high-performance liquid chromatography (HPLC) instrument that combines a UPLC (Ultra-Performance Liquid Chromatography) module, a PDA (Photodiode Array) detector, and a TQS (Triple Quadrupole) mass spectrometer. The system is designed to provide high-resolution separation, sensitive detection, and accurate mass analysis of a wide range of analytes in complex samples.

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Close spelling variants of this product

UPLC system (190 citations) UPLC-PDA system (11 citations) UPLC-PDA (6 citations) UPLC-TQ (5 citations)

2 protocols using uplc pda tqs system

Quantification of Tea Compounds

Cited 1 time

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The absolute quantities of theanine, EGCG3”Me, eight flavanols (ECG, EGC, EGCG, EC, CG, GC, GCG, and C), and three alkaloids (theobromine, theacrine, and caffeine) were quantified by an UPLC-PDA-TQS system (Waters, Manchester, UK) using an external standard method according to our previous work (1 (link)).

Wu W., Shi J., Jin J., Liu Z., Yuan Y., Chen Z., Zhang S., Dai W, & Lin Z. (2023). Comprehensive metabolic analyses provide new insights into primary and secondary metabolites in different tissues of Jianghua Kucha tea (Camellia sinensis var. assamica cv. Jianghua). Frontiers in Nutrition, 10, 1181135.

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Quantitative Analysis of Flavanols and Alkaloids

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The absolute amounts of eight flavanols (EGCG, EGC, ECG, EC, GCG, GC, CG, and C), two methylated flavanols (ECG3′'Me and EGCG3′'Me), and three alkaloids (theobromine, caffeine and theacrine) were quantified by an UPLC-PDA-TQS system (Waters, Manchester, UK) in accordance with an external standard method according to our previous work (Dai, Hu, Xie, Tan, & Lin, 2020 (link)).

Wu W., Lu M., Peng J., Lv H., Shi J., Zhang S., Liu Z., Duan J., Chen D., Dai W, & Lin Z. (2022). Nontargeted and targeted metabolomics analysis provides novel insight into nonvolatile metabolites in Jianghua Kucha tea germplasm (Camellia sinensis var. Assamica cv. Jianghua). Food Chemistry: X, 13, 100270.

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