Publications by authors named "Qing-qin Xu"

The aim of this study was to evaluate the feasibility, safety, and optimal dose of oral intake of carbohydrate-rich drinks 2 hours before painless colonoscopy. All patients receiving painless colonoscopy were randomly divided into 3 groups: control group (no carbohydrate-rich drink, n = 33), low-dose group (5 mL/kg carbohydrate-rich drink, n = 30), and high-dose group (8 mL/kg carbohydrate-rich drink, n = 30). Use of vasoactive drugs, the visual analog scale including thirst and hunger, degree of satisfaction, the time required for Modified Post Anesthetic Discharge Scoring System scale, first urination time, electrolyte level (sodium, potassium, and calcium), and blood glucose level were also determined.

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Background/aims: Rheumatoid arthritis (RA) is characterized by a tumor-like expansion of the synovium and the subsequent destruction of adjacent articular cartilage and bone. Recent studies have shown that phosphatase and tension homolog deleted on chromosome 10 (PTEN) might contribute to the surviva of fibroblast-like synoviocytes (FLSs) and the production of pro-inflammatory cytokines in RA. The purpose of this study was to explore the functions and underlying mechanisms of PTEN in the proliferation and migration of FLSs.

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Sparfloxacin (SPFX) can be oxidized by nitrous acid then react with chlorohydric acid further to form a strong fluorescence substance in acid media. The molecular structure is identified by elemental analysis, IR, MS and fluorescence spectra. The emission properties of sparfloxacin and chloro-sparfloxacin are greatly distinct, the fluorescence of sparfloxacin is so weak that it can not be determined by means of fluorescence spectra, but the fluorescence intensity of the new substance is 110 fold more than that of sparfloxacin itself.

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The LMX fluorescence properties at various pH of media were studied. The experiments indicated that LMX fluorescence emission wavelength is red shifted 40 nm at pH value of 3.3.

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