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| 1 | Simultaneous determination of ivabradine and N-desmethylivabradine in human plasma and urine using a LC-MS/MS method: application to a pharmacokinetic study显示文摘A sensitive and specific liquid-chromatography tandem mass spectrometry(LC-MS/MS)assay has been developed and validated for the simultaneous quantification of ivabradine and its active metabolite N-desmethylivabradine in human plasma and urine.The assay employed a single liquid–liquid extraction of the analytes from plasma and urine samples,and diazepam was used as internal standard(IS).The chromatographic separation was achieved on a Diamonsil C18 column(150 mm4.6 mm,5 mm,Dikma)using a mixture of methanol and aqueous 5 mM ammonium acetate buffer containing 0.2%formic acid(80:20,v/v)as mobile phase.The assay for ivabradine and N-desmethylivabradine in plasma showed good linearity(r≥0.99)over the ranges 0.1013–101.3 ng/mL and 0.085–25.5 ng/mL,respectively.The assay for ivabradine and N-desmethylivabradine in urine showed good linearity(r≥0.99)over the ranges 10.13–6078 ng/mL and 8.5–850 ng/mL,respectively.The intra-and inter-day accuracy and precision values were found to be within the assay variability limits(RSD<15%)in accordance with FDA guidelines.The methods were successfully used for evaluating the pharmacokinetic properties of ivabradine and N-desmethylivabradine in human plasma and urine in Chinese healthy volunteers. | Chengtao Lu Yanyan Jia Jing Yang Xin Jin Ying Songa Wenxing Liu Yi Ding Xiaoli Sun Aidong Wen | 2012 | Acta Pharmaceutica Sinica B2012，2，2： | 3 |
| 2 | Safety and efficacy of meplazumab in healthy volunteers and COVID-19 patients: a randomized phase 1 and an exploratory phase 2 trial显示文摘Recent evidence suggests that CD147 serves as a novel receptor for severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)infection.Blocking CD147 via anti-CD147 antibody could suppress the in vitro SARS-CoV-2 replication.Meplazumab is a humanized anti-CD147 IgG_(2) monoclonal antibody,which may effectively prevent SARS-CoV-2 infection in coronavirus disease 2019(COVID-19)patients.Here,we conducted a randomized,double-blinded,placebo-controlled phase 1 trial to evaluate the safety,tolerability,and pharmacokinetics of meplazumab in healthy subjects,and an open-labeled,concurrent controlled add-on exploratory phase 2 study to determine the efficacy in COVID-19 patients.In phase 1 study,59 subjects were enrolled and assigned to eight cohorts,and no serious treatment-emergent adverse event(TEAE)or TEAE grade≥3 was observed.The serum and peripheral blood Cmax and area under the curve showed non-linear pharmacokinetic characteristics.No obvious relation between the incidence or titer of positive anti-drug antibody and dosage was observed in each cohort.The biodistribution study indicated that meplazumab reached lung tissue and maintained>14 days stable with the lung tissue/cardiac blood-pool ratio ranging from 0.41 to 0.32.In the exploratory phase 2 study,17 COVID-19 patients were enrolled,and 11 hospitalized patients were involved as concurrent control.The meplazumab treatment significantly improved the discharged(P=0.005)and case severity(P=0.021),and reduced the time to virus negative(P=0.045)in comparison to the control group.These results show a sound safety and tolerance of meplazumab in healthy volunteers and suggest that meplazumab could accelerate the recovery of patients from COVID-19 pneumonia with a favorable safety profile. | Huijie Bian Zhao-Hui Zheng Ding Wei Aidong Wen Zheng Zhang Jian-Qi Lian Wen-Zhen Kang Chun-Qiu Hao Jing Wang Rong-Hua Xie Ke Dong Jie-Lai Xia Jin-Lin Miao Wen Kang Guoquan Li Di Zhang Mingru Zhang Xiu-Xuan Sun Likun Ding Kui Zhang Junfeng Jia Jin Ding Zhiqin Li Yanyan Jia Lin-Na Liu Zhe Zhang Zhao-Wei Gao Hong Du Na Yao Qing Wang Ke Wang Jie-Jie Geng Bin Wang Ting Guo Ruo Chen Yu-Meng Zhu Li-Juan Wang Qian He Rui-Rui Yao Ying Shi Xiang-Min Yang Jian-Sheng Zhou Yi-Nan Ma Ya-Tao Wang Xue Liang Fei Huo Zhe Wang Yang Zhang Xu Yang Ye Zhang Lu-Hua Gao Ling Wang Xiao-Chun Chen Hao Tang Shuang-Shuang Liu Qing-Yi Wang Zhi-Nan Chen Ping Zhu | 2021 | Signal Transduction and Targeted Therapy2021，6，6： | 2 |
| 3 | Upcycling of phosphogypsum waste for efficient zinc-ion batteries显示文摘Zinc metal is a promising anode material for next-generation aqueous batteries,but its practical application is limited by the formation of zinc dendrite.To prevent zinc dendrite growth,various Zn^(2+)-conducting but water-isolating solid-electrolyte interphase(SEI)films have been developed,however,the required high-purity chemical materials are extremely expensive.In this work,phosphogypsum(PG),an industrial byproduct produced from the phosphoric acid industry,is employed as a multifunctional protective layer to navigate uniform zinc deposition.Theoretical and experimental results demonstrate that PG-derived CaSO_(4)2H_(2)O can act as an artificial SEI layer to provide fast channels for Zn^(2+)transport.Moreover,CaSO_(4)2H_(2)O could release calcium ions(Ca^(2+))due to its relatively high Kspvalue,which have a higher binding energy than that of Zn^(2+)on the Zn surface,thus preferentially adsorbing to the tips of the protuberances to force zinc ions to nucleate at inert region.As a result,the Zn@PG anode achieves a high Coulombic efficiency of 99.5%during 500 cycles and long-time stability over 1000 hours at 1 m A cm^(-2).Our findings will not only construct a low-cost artificial SEI film for practical metal batteries,but also achieve a high-value utilization of phosphogypsum waste. | Huanwen Wang Can Luo Yinyin Qian Caihong Yang Xiaojun Shi Yansheng Gong Rui Wang Beibei He Jun Jin Aidong Tang Edison Huixiang Ang Huaming Yang | 2023 | Journal of Energy Chemistry2023，，6： | 1 |
| 4 | Exponential Stability Analysis of a Markovian Deteriorating System显示文摘 | Yinghua Shen Yufeng Zhang Aidong Jin | 2009 | Journal of Systems Science and Information2009，7，2： | 1 |
| 5 | Exponential stability of a four-state system显示文摘 | Liu Dongxu Jin Aidong Zhang Yufeng | 2009 | Journal of Information and Decision Science2009，4，1： | 1 |
| 6 | Exponential Stability of a Robot with Safety System显示文摘 | Lihua Jin Aidong Jin Yufeng Zhang | 2009 | Journal of Systems Science and Information2009，7，3： | 0 |
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