Yongrui He

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Neurotransmitters (NTs) may play an important role in neurodegenerative disorders such as Alzheimer's disease (AD). In order to investigate the potential links, a new simple, fast, accurate and sensitive analytical method, based on in situ ultrasound-assisted derivatization dispersive liquid-liquid microextraction (in situ UA-DDLLME) coupled with ultra(More)
This paper, for the first time, reported a simple, rapid, sensitive and environmental friendly ultrasonic-assisted in situ derivatization-dispersive liquid-liquid microextraction (in situ UAD-DLLME) method followed by ultra high performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) for the simultaneous determination of dopamine (DA),(More)
A simple, rapid, sensitive, selective, and environmentally friendly method, based on in situ derivatization ultrasound-assisted dispersive liquid-liquid microextraction (in situ DUADLLME) coupled with ultra-high-performance liquid chromatography tandem mass spectrometry (UHPLC-MS/MS) using multiple reaction monitoring (MRM) mode has been developed for the(More)
This paper, for the first time, reported a speedy hyphenated technique of low toxic dual ultrasonic-assisted dispersive liquid-liquid microextraction (dual-UADLLME) coupled with microwave-assisted derivatization (MAD) for the simultaneous determination of 20(S)-protopanaxadiol (PPD) and 20(S)-protopanaxatriol (PPT). The developed method was based on ultra(More)
Simultaneous monitoring of several neurotransmitters (NTs) linked to Parkinson's disease (PD) has important scientific significance for PD related pathology, pharmacology and drug screening. A new simple, fast and sensitive analytical method, based on in situ derivatization-ultrasound-assisted dispersive liquid-liquid microextraction (in situ DUADLLME) in a(More)
OBJECTIVE To discuss the mechanism of Yiqiyangyin recipe in rats with adriamycin (ADR)-induced nephropathy. METHODS We randomly divided 30 Sprague-Dawley rats into 5 groups: control, model, glucocorticoid, Chinese herb, and Chinese herb plus glucocorticoid groups. The 24-h urine volume was collected on days 7, 14, 21, and 28 after ADR injection, and all(More)
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