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| 1 | Quality control of Semen Ziziphi Spinosae standard decoction based on determination of multi-components using TOF-MS/MS and UPLC-PDA technology显示文摘A sensitive,fast and comprehensive method for the quality assessment of Semen Ziziphi Spinosae(SZS)standard decoction with characterization of its chemical components was developed and validated.UPLC-Q/TOF-MS/MS system was used to identify thirty-six chemical components of SZS standard decoction which included nucleosides,phenolic acids,alkaloids,and flavonoids.Furthermore,a UPLC-PDA method was validated to simultaneously determine adenosine,protocatechuic acid,magnoflorine,catechin,protocatechin,vicenin II,spinosin,kaempferol-3-rutinoside,and 6'''-feruloylspinosin which represent four species of characteristic compounds.The qualitative method had been validated according to Chinese Pharmacopoeia(2015 edition)in terms of lineary,repeatability,recovery and stability for all analytes,with the results showing good precision,accuracy and stability.In conclusion,the method using UPLC combined with MS and PDA provided a novel way for the standardization and identification of SZS standard decoction,and also offered a basis for qualitative analysis and quality assessment of the preparations for SZS standard decoction. | Di Wang Qing Li Ran Liu Huarong Xu Yidi Yin Yifan Wang Huijia Wang Kaishun Bi | 2019 | Journal of Pharmaceutical Analysis2019，9，6： | 6 |
| 2 | Effect of thermodynamic parameters on prediction of phase behavior and process design of extractive distillation显示文摘Extractive distillation was investigated for separation of the minimum azeotrope of n-propanol/water, via the Aspen Plus simulation platform. Experimental data of n-propanol/water, which could pass the thermodynamic consistency test, were regressed to get suitable binary interaction parameters(BIPs) by the UNIQUAC thermodynamic model. The azeotrope system was heterogeneous in the simulation with built-in BIPs, which was contrary to the experimental data. The study focused on the effect of thermodynamic parameters on the prediction of phase behavior, and process design of extractive distillation. N-methyl-2-pyrrolidone(NMP) and ethylene glycol were used as solvents to implement the separation. Processes with built-in and regressed BIPs were explored,based on the minimum total annual cost(TAC). There were significant differences in the phase behavior simulation using different thermodynamic parameters, which showed the importance of BIPs in the design and optimization of extractive distillation. | HuiJia Huixin Wang Kang Ma Mengxiao Yu Zhaoyou Zhu Yinglong Wang | 2018 | Chinese Journal of Chemical Engineering2018，26，5： | 2 |
| 3 | Efficiently photothermal conversion in a MnO_(x)-based monolithic photothermocatalyst for gaseous formaldehyde elimination显示文摘Volatile organic compound(VOC)pollution has a serious impact on human and urgently needs to be controlled through the development of new methods and catalytic materials.Compared with traditional thermal catalytic oxidation,the synergistic photothermocatalysis is regarded as a green and environmen-tally friendly strategy for organic compound pollutant removal,which can promote spontaneous heating of the surface of catalysts to achieve thermal catalytic reaction conditions via harvesting light irradia-tion.In this paper,a monolithic photothermocatalyst was synthesized through coating graphene oxide(GO)and MnOx in turn on a commercially available melamine sponge,where the GO mainly acted as a photothermal conversion layer to heat the catalytically active MnO_(x).This monolithic catalyst presented excellent photo-induced activity for formaldehyde elimination under ambient conditions(∼90%degrada-tion ratio in 20 min for∼160 ppm initial concentration formaldehyde),and meanwhile possessed a high catalytic durability for multiple cycles.The kinetic study demonstrated that this photothermocatalytic process followed a pseudo-second-order kinetics.Finally,we proposed a possible formaldehyde degrada-tion pathway based on in situ DRIFTS examination. | Pengfei Sun Huijia Yu Tingting Liu Yingshuang Li Zhongsen Wang Yufei Xiao Xiaoping Dong | 2022 | Chinese Chemical Letters2022，33，5： | 1 |
| 4 | Flatness maintenance and roughness reduction of silicon mirror in chemical mechanical polishing process显示文摘As an important optical component in laser system,silicon mirror surface is required to have micron-level flatness and subnanometer-level roughness.The research concentrates on how to improve roughness as far as possible while maintaining flatness of silicon mirror surface during chemical mechanical polishing(CMP)process.A polishing edge effect model is established to explain the reason of flatness deterioration,and a roughness theoretical model is set up to get the limit of perfect surface roughness.Based on the models above,a polishing device is designed to maintain the surface flatness,and the optimized polishing process parameters are obtained by orthogonal tests to get a near-perfect surface roughness.Finally the maintenance of flatness and the improvement of roughness can be achieved at the same time in one step of CMP process.This work can be a guide for silicon mirror manufacture to improve optical reflection performance significantly. | JIANG BoCheng ZHAO DeWen WANG BingQuan ZHAO HuiJia LIU YuHong LU XinChun | 2020 | Science China(Technological Sciences)2020，63，1： | 1 |
| 5 | Electroencephalogram and brainstem auditory evoked potential in 539 patients with central coordination disorder显示文摘BACKGROUND: Electroencephalogram (EEG) and brainstem auditory evoked potential (BAEP) are objective non-invasive means of measuring brain electrophysiology. OBJECTIVE: To analyze the value of EEG and BAEP in early diagnosis, treatment and prognostic evaluation of central coordination disorder. DESIGN, TIME AND SETTING: This case analysis study was performed at the Rehabilitation Center of Hunan Children’s Hospital from January 2002 to January 2006. PARTICIPANTS: A total of 593 patients with severe central coordination disorder, comprising 455 boys and 138 girls, aged 1–6 months were enrolled for this study. METHODS: EEG was monitored using electroencephalography. BAEP was recorded using a Keypoint electromyogram device. Intelligence was tested by professionals using the Gesell scale. MAIN OUTCOME MEASURES: (1) The rate of abnormal EEG and BAEP, (2) correlation of abnormalities of EEG and BAEP with associated injuries, (3) correlation of abnormalities of EEG and BAEP with high risk factors. RESULTS: The rate of abnormal EEG was 68.6% (407/593 patients), and was increased in patients who also had mental retardation (P < 0.05). The rate of abnormal BAEP was 21.4% (127/593 patients). These 127 patients included 67 patients (52.8%) with peripheral auditory damage and 60 patients (47.2%) with central and mixed auditory damage. The rate of abnormal BAEP was significantly increased in patients who also had mental retardation (P < 0.01). Logistic regression analysis showed that asphyxia (P < 0.05), jaundice, preterm delivery, low birth weight and the umbilical cord around the neck were closely correlated with abnormal EEG in patients with central coordination disorder. Intracranial hemorrhage, jaundice (P < 0.05), low birth weight and intrauterine infection (P < 0.05) were closely correlated with abnormal BAEP in patients with central coordination disorder. CONCLUSION: Central coordination disorder is often associated with abnormal EEG and BAEP. The rate of EEG or BAEP abnormality is positively associated with the size of the brain injury. Asphyxia is a high risk factor for abnormal EEG in central coordination disorder. Jaundice and intrauterine infection are high risk factors for abnormal BAEP in central coordination disorder. | Huijia Zhang Hua Yan Paoqiu Wang Jihong Hu Hongtao Zhou Rong Qin | 2008 | Neural Regeneration Research2008，3，12： | 0 |
| 6 | Bi_(2)O_(2)Se nanoplates for broadband photodetector and full-color imaging applications显示文摘Broadband light detection and sensing are widely applied in modern technology.As a promising candidate for next-generation two-dimensional(2D)optoelectronic material,bismuth oxyselenide(Bi_(2)O_(2)Se)nanoplates exhibit many prospects in the application of visible light detection due to their peculiar properties.In this work,we report the photodetection performance of single-crystal 2D Bi_(2)O_(2)Se nanoplates grown on SiO_(2)based on a ternary-alloy growth model by utilizing chemical vapor deposition(CVD).The Bi_(2)O_(2)Se nanoplates were found to have an even and uniform square shape with side lengths up to 15μm and an approximate thickness of 15 nm.A visible-light photodetector was fabricated based on a CVD-grown Bi_(2)O_(2)Se nanoplate,and characterized by a set of illumination experiments using a 400 nm laser at temperatures ranging from 77 to 370 K.The device exhibited superior performance at the temperature of 77 K,with a responsivity of 523 A/W,a specific detectivity of 1.37×10^(11)Jones,a response time of 0.2175 ms,an external quantum efficiency of 162,119.44%,resulting in high-quality and fullcolor imaging in the visible spectrum.These results indicate that the single-crystalline Bi_(2)O_(2)Se nanoplates have excellent potential in broadband photodetection and non-cryogenic imaging. | Han Wang Songqing Zhang Xingxuan Wu Huijia Luo Junliang Liu Zesheng Mu Ruirui Liu Guang Yuan Yujun Liang Jin Tan Yongling Ren Wen Lei | 2023 | Nano Research2023，16，5： | 0 |
| 7 | Assessing urban resilience to public health disaster using the rough analytic hierarchy process method:A regional study in China显示文摘In the context of frequent occurrences of disasters worldwide,disaster-coping capability is imperative for risk reduction and contemporary emergency management.The global COVID-19 pandemic since 2020 has further highlighted the significance of resilience construction at different geographical scales.Overall,the conceptual cognition of resilience in disaster management covers multiple elements and has diverse yielding on regional assessment.This study assesses the local resilience to the public health disaster in the prefecture-level cities,focusing on two dimensions consisting of vulnerability and capability in the targeted provincial region of Jiangsu in China.To this end,based on the vulnerability-capability framework,the Rough Analytic Hierarchy Process(Rough AHP)method was applied to the resilience assessment.Drawing upon the criteria derived from literature,the criteria weights were determined with the RAHP method and we assessed urban resilience with census data.In addition,the hierarchical factors contributing to urban resilience were determined using robustness analysis.This research provides constructive ideas for regional disaster reduction and contributes to the government’s capability to improve urban resilience. | Zezhao Liu Rui Ma HuiJia Wang | 2022 | Journal of Safety Science and Resilience2022，3，2： | 0 |
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