Quantitative analysis of polypropylene glycol polymers by liquid chromatography tandem mass spectrometry based on collision induced dissociation technique

Shi, Meiyun; Jiang, Qiuhong; Lu, Di; Zheng, Xinyue; Duan, Xujian; Xu, Xin; Liu, Yajun; Xue, Huadan; Yin, Lei

doi:10.1016/j.chroma.2022.463214

Cited by 6 publications

(1 citation statement)

References 28 publications

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“…The cytotoxicity of PEG1K against MCF‐7 cells was tested by the 3‐(4,5‐dimethylthiazol‐2‐yl)‐2,5‐diphenyl tetrazolium bromide method [37]. The detailed procedures are shown in Supporting Information.…”

Section: Methodsmentioning

confidence: 99%

Ultra‐high‐performance liquid chromatography with tandem mass spectrometry method for cellular toxicity and pharmacokinetic study of PEG1K polymers

Ge,

Zhang,

Zheng

et al. 2024

J of Separation Science

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Polyethylene glycol (PEG) is one of the most commonly used polymers in drug delivery systems. The investigation of the pharmacokinetic behavior of PEG is important for revealing the toxicity and efficiency of PEG‐related Nano‐drug delivery systems. A high through‐put and selective ultra‐high‐performance liquid chromatography with tandem mass spectrometry (UHPLC‐MS/MS) method coupled with collision‐induced dissociation (CID) in source technique was developed and validated to determine PEG1K polymers in cellular samples in this study. The countless precursor ions of PEG1K are dissociated in the source to generate numerous product ions which have different numbers of subunits. The transition of [M+H]+ precursor ions → product ions at m/z 177.1 (four subunits)→89.1 (two subunits) was selected to determine PEG1K due to its high sensitivity. The UHPLC‐MS/MS method coupled with CID in the source showed good linearity over the range of 0.1–10 μg/mL. Intra‐day and inter‐day accuracies and precisions of the assay were all within ± 12.39%. The assay was successfully applied to a cellular pharmacokinetic study of PEG1K in human breast cancer cells. The cytotoxicity of PEG1K polymers was also studied and the results indicated that the cytotoxicity of PEG1K was not significant in the range of 5–1200 μg/mL.

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Section: Methodsmentioning

confidence: 99%