A paper-based sensor for rapid and ultrasensitive detection of ibuprofen in water and herbal tea
Analyst Pub Date: 2021-09-15 DOI: 10.1039/D1AN01533H
Abstract
As the use of non-steroidal anti-inflammatory drugs (NSAIDS) increases, their side effects have also attracted attention. Ibuprofen is one of the most widely-used NSAIDs. In this study, we screened the highly-sensitive and specific antibody 6E10, with an IC50 of 1.92 ng mL?1, and a linear range of 0.53–6.97 ng mL?1. In this study, we developed a rapid lateral flow immunochromatographic assay (ICA) strip method to detect ibuprofen in water or herbal tea. The cut-off limit of the strip is 10 ng mL?1 in water, and concentrations as low as 1 ng mL?1 can be detected in herbal tea samples, with the results obtained by the naked eye within 6 min. All the data were confirmed by high performance liquid chromatography-quadrupole time of flight-mass spectrometry (HPLC-QTOF-MS). This lateral-flow ICA strip is thus a rapid tool for on-site detection and screening of ibuprofen in water and herbal tea.
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Journal Name：Analyst
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CAS no.: 89640-58-4
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