期刊
TALANTA
卷 220, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.talanta.2020.121368
关键词
Microfluidic chip; G-quadruplex; Affinity; Screening; Macleaya cordata
资金
- National Key R&D Program of China [2017YFF0205401]
- Natural Science Foundation of Guangdong Province [2019A1515011155]
- National Natural Science Foundation of China [21775086, 81473352]
A new method for fishing antitumor ingredients by G-quadruplex recognition from Macleaya cordata seeds extracts was established using a three-phase-laminar-flow-chip (TPL chip). The TPL chip integrated the separation of drugs from the complex ingredients and organic solvent extraction, simplifying pretreatment processes and reducing reagents and time. In addition, the chip method showed a lower false negative result, owing to the gentle membrane-free filtration process based on diffusion separation in microchannel. Four ligands with high content in alkaloids of Macleaya cordata seeds were selected, those are chelerythrine (CHE), sanguinarine (SAN), protopine (PRO), and allocryptopine (ALL), which demonstrated affinity with G-quadruplex and were potential for antitumor.
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