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| 1 | Phase II clinical trial using camrelizumab combined with apatinib and chemotherapy as the first-line treatment of advanced esophageal squamous cell carcinoma显示文摘Background:Effective therapeutic options are limited for patients with advanced esophageal squamous cell carcinoma(ESCC).The incorporation of an immune checkpoint inhibitor and a molecular anti-angiogenic agent into the commonly adopted chemotherapy may produce synergistic effects.Therefore,we aimed to investigate the efficacy and safety of camrelizumab plus apatinib combined with chemotherapy as the first-line treatment of advanced ESCC.Methods:In this single-arm prospective phase II trial,patients with unresectable locally advanced or recurrent/metastatic ESCC received camrelizumab 200 mg,liposomal paclitaxel 150 mg/m2,and nedaplatin 50 mg/m2 on day 1,and apatinib 250 mg on days 1-14.The treatments were repeated every 14 days for up to 9 cycles,followed by maintenance therapy with camrelizumab and apatinib.The primary endpoint was objective response rate(ORR)according to the Response Evaluation Criteria in Solid Tumors(version 1.1).Secondary endpoints included disease control rate(DCR),progression-free survival(PFS),overall survival(OS),and safety.Results:We enrolled 30 patients between August 7,2018 and February 23,2019.The median follow-up was 24.98 months(95%confidence interval[CI]:23.05-26.16 months).The centrally assessed ORR was 80.0%(95%CI:61.4%-92.3%),with a median duration of response of 9.77 months(range:1.54 to 24.82+months).The DCR reached 96.7%(95%CI:82.8%-99.9%).The median PFS was 6.85 months(95%CI:4.46-14.20 months),and the median OS was 19.43 months(95%CI:9.93 months–not reached).The most common grade 3-4 treatmentrelated adverse events(AEs)were leukopenia(83.3%),neutropenia(60.0%),and increased aspartate aminotransferase level(26.7%).Treatment-related serious AEs included febrile neutropenia,leukopenia,and anorexia in one patient(3.3%),and single cases of increased blood bilirubin level(3.3%)and toxic epidermal necrolysis(3.3%).No treatment-related deaths occurred.Conclusions:Camrelizumab plus apatinib combined with liposomal paclitaxel and nedaplatin as first-line treatment demonstrated feasible anti-tumor activity and manageable safety in patients with advanced ESCC.Randomized trials to evaluate this new combination strategy are warranted.Trial registration:This trial was registered on July 27,2018,at ClinicalTrials.gov(identifier:NCT03603756). | Bo Zhang Ling Qi Xi Wang Jianping Xu Yun Liu Lan Mu Xingyuan Wang Lidan Bai Jing Huang | 2020 | Cancer Communications2020，40，12： | 38 |
| 2 | Excellent Structure-Based Multifunction of Morpho Butterfly Wings: A Review显示文摘 | Shichao Niu Bo Li Zhengzhi Mu Meng Yang Junqiu Zhang Zhiwu Han Luquan Ren | 2015 | Journal of Bionic Engineering2015，12，2： | 19 |
| 3 | Development of Land Surface Model BCC_AVIM2.0 and Its Preliminary Performance in LS3MIP/CMIP6显示文摘The improvements and validation of several parameterization schemes in the second version of the Beijing Climate Center Atmosphere–Vegetation Interaction Model(BCC_AVIM2.0) are introduced in this study. The main updates include a replacement of the water-only lake module by the common land model lake module(Co LM-lake) with a more realistic snow–ice–water–soil framework, a parameterization scheme for rice paddies added in the vegetation module, renewed parameterizations of snow cover fraction and snow surface albedo to accommodate the varied snow aging effect during different stages of a snow season, a revised parameterization to calculate the threshold temperature to initiate freeze(thaw) of soil water(ice) rather than being fixed at 0°C in BCC_AVIM1.0, a prognostic phenology scheme for vegetation growth instead of empirically prescribed dates for leaf onset/fall, and a renewed scheme to depict solar radiation transfer through the vegetation canopy. The above updates have been implemented in BCC_AVIM2.0 to serve as the land component of the BCC Climate System Model(BCC_CSM). Preliminary results of BCC_AVIM in the ongoing Land Surface, Snow, and Soil Moisture Model Intercomparison Project(LS3 MIP) of the Coupled Model Intercomparison Project Phase 6(CMIP6) show that the overall performance of BCC_AVIM2.0 is better than that of BCC_AVIM1.0 in the simulation of surface energy budgets at the seasonal timescale. Comparing the simulations of annual global land average before and after the updates in BCC_AVIM2.0 reveals that the bias of net surface radiation is reduced from-12.0 to-11.7 W m-2 and the root mean square error(RMSE) is reduced from 20.6 to 19.0 W m-2;the bias and RMSE of latent heat flux are reduced from 2.3 to-0.1 W m-2 and from 15.4 to14.3 W m-2, respectively;the bias of sensible heat flux is increased from 2.5 to 5.1 W m-2 but the RMSE is reduced from 18.4 to 17.0 W m-2. | Weiping LI Yanwu ZHANG Xueli SHI Wenyan ZHOU Anning HUANG Mingquan MU Bo QIU Jinjun JI | 2019 | Journal of Meteorological Research2019，33，5： | 14 |
| 4 | One-stop strategy for treatment of atrial fibrillation:feasibility and safety of combining catheter ablation and left atrial appendage closure in a single procedure显示文摘Background:Catheter ablation is effective in restoring sinus rhythm and left atrial appendage closure(LAAC)is increasingly used for stroke prevention in patients with atrial fibrillation(AF).We aimed to observe the feasibility and safety of performing AF ablation and LAAC in a single(one-stop)procedure.Methods:Consecutive AF patients who underwent the combined procedure of AF ablation and LAAC with WATCHMAN device between March 2017 and September 2018 were prospectively enrolled.Baseline and intra-procedural parameters were evaluated.Three-month and subsequent 1-year follow-up were performed in all and earlier-enrolled subjects,respectively.Results:A total of 178 AF patients(94 males,68.9±8.1 years)underwent the one-stop procedure with CHA2DS2-VASc score 3.3±1.5 and HAS-BLED score 1.6±1.0,respectively.Pulmonary vein isolation was achieved in all patients while additional linear ablation was applied if the operator deemed necessary,yielding immediate ablation success rate of 98.9%(176/178).In the subsequent LAAC,satisfactory seal(residual leak<5 mm)was achieved in all patients.One stroke and four cardiac perforations occurred peri-operatively.At 3-month follow-up,sinus rhythm and satisfactory seal were maintained in 153/178(86.0%)and 178/178(100%)patients,respectively.One stroke and one delayed cardiac tamponade occurred,while no device-related thrombus or device migration was observed.During the 1-year follow-up for the earlier enrolled subjects,52/72(72.2%)of the patients maintained sinus rhythm.There was no stroke or systemic embolism observed.Conclusion:Combining catheter ablation and LAAC in a single procedure can be successfully and safely performed in non-valvular AF patients of Chinese population. | Mu Chen Zhi-Quan Wang Qun-Shan Wang Jian Sun Peng-Pai Zhang Xiang-Fei Feng Wei Li Ying Yu Bo Liu Bin-Feng Mo Rui Zhang Mei Yang Chang-Qi Gong Ming-Zhe Zhao Yi-Chi Yu Yan Zhao Qiu-Fen Lu Yi-Gang Li | 2020 | Chinese Medical Journal2020，，12： | 11 |
| 5 | New triterpenoid sapoin from Ardisia gigantifolia Stapf.显示文摘One new triterpenoid sapoin with two known triterpenoid sapoins:3β-O-{α-L-rhamnopyranosyl-(1→3)-[β-D-xylopyranose-(1→2)]-β-D-glucopyranosyl-(1→4)-α-L-arabinopyranosyl}-3β-hydroxy-13β,28-epoxy-oleanan-16-oxo-30-al(1),3β-O-{α-L-rhamnopyranosyl-(1→3)-[(β-D-xylopyranosyl-(1→2)]-β-D-galactopyranosyl-(1→4)-[(β-D-glucopyranosyl-(1→2)]-α-L-ara-binopyranoside}-16α-hydroxy-13,28-epoxy-oleanane(2) and cyclamiretin A 3β-O-α-L-rhamnopyranosyl-(l→3)-[P-D-xylopyranosyl-(1→2)]-β-D-glucopyranosyl-(1→4)-[β-D-glucopyranosy... | Gong, Qiang Qiang Mu, Li Hua Liu, Ping Yang, Shi Lin Wang, Bo Feng, Yu Lin | 2010 | Chinese Chemical Letters2010，21，4： | 10 |
| 6 | Permian integrative stratigraphy and timescale of China显示文摘A series of global major geological and biological events occurred during the Permian Period. Establishing a highresolution stratigraphic and temporal framework is essential to understand their cause-effect relationship. The official International timescale of the Permian System consists of three series(i.e., Cisuralian, Guadalupian and Lopingian in ascending order) and nine stages. In China, the Permian System is composed of three series(Chuanshanian, Yansingian and Lopingian) and eight stages, of which the subdivisions and definitions of the Chuanshanian and Yangsingian series are very different from the Cisuralian and Guadalupian series. The Permian Period spanned ~47 Myr. Its base is defined by the First Appearance Datum(FAD) of the conodont Streptognathodus isolatus at Aidaralash, Kazakhstan with an interpolated absolute age 298.9±0.15 Ma at Usolka, southern Urals, Russia. Its top equals the base of the Triassic System and is defined by the FAD of the conodont Hindeodus parvus at Meishan D section, southeast China with an interpolated absolute age 251.902±0.024 Ma. Thirty-five conodont, 23 fusulinid, 17 radiolarian and 20 ammonoid zones are established for the Permian in China, of which the Guadalupian and Lopingian conodont zones have been served as the standard for international correlation. The Permian δ13 Ccarbtrend indicates that it is characterized by a rapid negative shift of 3–5‰ at the end of the Changhsingian, which can be used for global correlation of the end-Permian mass extinction interval, but δ13 Ccarbrecords from all other intervals may have more or less suffered subsequent diagenetic alteration or represented regional or local signatures only. Permian δ18 Oapatitestudies suggest that an icehouse stage dominated the time interval from the late Carboniferous to Kungurian(late Cisuralian). However, paleoclimate began to ameriolate during the late Kungurian and gradually shifted into a greenhouse-dominated stage during the Guadalupian.The Changhsingian was a relatively cool stage, followed by a globally-recognizable rapid temperature rise of 8–10°C at the very end of the Changhsingian. The87 Sr/86 Sr ratio trend shows that their values at the beginning of the Permian were between 0.70800,then gradually decreased to the late Capitanian minimum 0.70680–0.70690, followed by a persistent increase until the end of the Permian with the value 0.70708. Magenetostratigraphy suggests two distinct stages separated by the Illawarra Reversal in the middle Wordian, of which the lower is the reverse polarity Kiaman Superchron and the upper is the mixed-polarity Illawarra Superchron. The end-Guadalupian(or pre-Lopingian) biological crisis occurred during the late Capitanian, when faunal changeovers of different fossil groups had different paces, but generally experienced a relatively long time from the Jinogondolella altudensis Zone until the earliest Wuchiapingian. The end-Permian mass extinction was a catastrophic event that is best constrained at the Meishan section, which occurred at 251.941±0.037 Ma and persisted no more than 61±48 kyr. After the major pulse at Bed 25, the extinction patterns are displayed differently in different sections. The global end-Guadalupian regression is manifested between the conodont Jinogondolella xuanhanensis and Clarkina dukouensis zones and the endChanghsingian transgression began in the Hindeodus changxingensis-Clarkina zhejiangensis Zone. The Permian Period is also characterized by strong faunal provincialism in general, which resulted in difficulties in inter-continental and inter-regional correlation of both marine and terrestrial systems. | Shuzhong SHEN Hua ZHANG Yichun ZHANG Dongxun YUAN Bo CHEN Weihong HE Lin MU Wei LIN Wenqian WANG Jun CHEN Qiong WU Changqun CAO Yue WANG Xiangdong WANG | 2019 | Science China Earth Sciences2019，62，1： | 9 |
| 7 | Distinct element method analysis and field experiment of soil resistance applied on the subsoiler显示文摘Since the design of the subsoiler is a complex work,the interaction between the subsoiler and soil was investigated by using Distinct Element Method(DEM)in this study.Based on the traditional discrete element theory,the 3D model of soil particles and the subsoiler were established after considering the liquid bridge force between soil particles.The operating resistance curves of the subsoiler were achieved after the DEM simulation at a speed of 1 m/s,and three depths of 180 mm,220 mm and 260 mm,respectively.The simulation curves agreed well with the field experimental results based on relative errors of 2.96%,14.95%and 7.15%,respectively,at three depths.All these data proved that it was feasible and favorable to analyze the performance of the subsoiler by using the DEM and it is of important significance for studying and further optimizing the structure of the subsoiler. | Li Bo Liu Fanyi Mu Junying Chen Jun Han Wenting | 2014 | International Journal of Agricultural and Biological Engineering2014，7，1： | 9 |
| 8 | Human hair follicle-derived mesenchymal stem cells:Isolation,expansion,and differentiation显示文摘Hair follicles are easily accessible skin appendages that protect against cold and potential injuries.Hair follicles contain various pools of stem cells,such as epithelial,melanocyte,and mesenchymal stem cells(MSCs)that continuously self-renew,differentiate,regulate hair growth,and maintain skin homeostasis.Recently,MSCs derived from the dermal papilla or dermal sheath of the human hair follicle have received attention because of their accessibility and broad differentiation potential.In this review,we describe the applications of human hair follicle-derived MSCs(hHF-MSCs)in tissue engineering and regenerative medicine.We have described protocols for isolating hHF-MSCs from human hair follicles and their culture condition in detail.We also summarize strategies for maintaining hHF-MSCs in a highly proliferative but undifferentiated state after repeated in vitro passages,including supplementation of growth factors,3D suspension culture technology,and 3D aggregates of MSCs.In addition,we report the potential of hHF-MSCs in obtaining induced smooth muscle cells and tissue-engineered blood vessels,regenerated hair follicles,induced red blood cells,and induced pluripotent stem cells.In summary,the abundance,convenient accessibility,and broad differentiation potential make hHF-MSCs an ideal seed cell source of regenerative medical and cell therapy. | Bo Wang Xiao-Mei Liu Zi-Nan Liu Yuan Wang Xing Han Ao-Bo Lian Ying Mu Ming-Hua Jin Jin-Yu Liu | 2020 | World Journal of Stem Cells2020，12，6： | 8 |
| 9 | Qualitative analysis for a Wolbachia infection model with diffusion显示文摘We consider a reaction-diffusion model which describes the spatial Wolbachia spread dynamics for a mixed population of infected and uninfected mosquitoes. By using linearization method, comparison principle and Leray-Schauder degree theory, we investigate the influence of diffusion on the Wolbachia infection dynamics.After identifying the system parameter regions in which diffusion alters the local stability of constant steadystates, we find sufficient conditions under which the system possesses inhomogeneous steady-states. Surprisingly,our mathematical analysis, with the help of numerical simulations, indicates that diffusion is able to lower the threshold value of the infection frequency over which Wolbachia can invade the whole population. | HUANG Mu Gen YU Jian She HU Lin Chao ZHENG Bo | 2016 | Science China Mathematics2016，59，7： | 6 |
| 10 | Effect of tin addition on corrosion behavior of a low-alloy steel in simulated costal-industrial atmosphere显示文摘The effect of tin addition on the atmospheric corrosion behavior of a low-alloy steel in sim ulated coastalindustrial atm osphere has been investigated by indoor wet/dry cyclic corrosion test (CCT). The results indicate that tin addition can obviously make the steel substrate more resistant to atmospheric corrosion by suppressing the cathodic H^+ reduction reaction, and but tin addition is not of obvious beneficial effect when the steel is covered with a thicker rust layer during long-term corrosion process. The reason lies in the fact that the presence of un-reduced H^+ can lower the electrolyte pH value and lead to a loose and porous rust layer on tin-containing steel sample than that on tin-free steel sample. In addition, the 120 CCT cycles corrosion process of the two steels can be divided into three stages. Both the tin-free and tin-containing steels show an increasing corrosion rate during the initial corrosion stage and then exhibit a decreasing corrosion rate during the second and third corrosion stages. Moreover, tin addition makes the tin-containing steel rust layer have a higher amount of α-FeOOH and lower am ount of γ-FeOOH and Fe3O4 than the tin-free steel rust layer. | Bo Liu Xin Mu Ying Yang Long Hao Xueyong Ding Junhua Dong Zhe Zhang Huaxing Hou Wei Ke | 2019 | Journal of Materials Science & Technology2019，35，7： | 6 |
| 11 | Toward Evidence-Based Chinese Medicine:Status Quo,Opportunities and Challenges显示文摘How to test the treatments of Chinese medicine(CM) and make them more widely accepted by practitioners of Western medicine and the international healthcare community is a major concern for practitioners and researchers of CM.For centuries,various approaches have been used to identify and measure the efficacy and safety of CM.However,the high-quality evidence related to CM that produced in China is still rare.Over the recent years,evidence-based medicine(EBM) has been increasingly applied to CM,strengthening its theoretical basis.This paper reviews the past and present state of CM,analyzes the status quo,challenges and opportunities of basic research,clinical trials,systematic reviews,clinical practice guidelines and clinical pathways and evidence-based education developed or conducted in China,pointing out how EBM can help to make CM more widely used and recognized worldwide. | CHEN Yao-long ZHAO Chen ZHANG Li LI Bo WU Chuan-hong MU Wei WANG Jia-ying YANG Ke-hu LI You-ping CHEN Chiehfeng WANG Yong-yan WANG Chen BIAN Zhao-xiang SHANG Hong-cai | 2018 | Chinese Journal of Integrative Medicine2018，24，3： | 6 |
| 12 | High levels of circulating GM-CSF^(+) CD4^(+) T cells are predictive of poor outcomes in sepsis patients: a prospective cohort study显示文摘Granulocyte colony-stimulating factor(GM-CSF),produced by CD4^(+)T cells,has recently been implicated in the pathogenesis of inflammatory diseases,such as multiple sclerosis and juvenile arthritis.However,the role of GM-CSF-producing CD4^(+)T cells in sepsis remains unknown.This study reports peripheral changes in GM-CSF-producing CD4^(+)T cells in septic patients and the possible underlying mechanism by which GM-CSF influences the outcome of sepsis.Forty-three septic patients,20 SIRS patients,and 20 healthy controls were enrolled in this study and followed for 28 days to assess mortality.We measured the peripheral frequency of GM-CSF^(+)CD4^(+)T cells and recorded their associated relationship with disease progression.Our data demonstrated that peripheral GM-CSF-producing CD4^(+)T cells were significantly higher in septic patients than in both SIRS patients and healthy controls.These cells exhibit a memory phenotype and impaired IFN-γ-secreting capacity in sepsis patients.Using a receiver operating curve analysis with 8.01%as a cut-off point,the percentage of GM-CSF^(+)CD4^(+)T cells could predict the outcome of septic patients.Combined with the increase in GM-CSF-producing CD4^(+)T cells,inflammatory cytokines IL-1βand IL-6 were also upregulated.Using an in vitro neutrophil model,we found that GM-CSF inhibited C3aR expression,while inducing IL-8 production.Furthermore,this effect was transferrable in plasma from sepsis patients and was attenuated by inhibition of GM-CSF using an anti-GM-CSF antibody.These results indicate that GM-CSF-producing CD4^(+)T cells may serve as a marker of sepsis severity.Thus,targeting GM-CSF overproduction may benefit sepsis patients. | Huihuang Huang Siyu Wang Tianjun Jiang Rong Fan Zheng Zhang Jinsong Mu Ke Li Yonggang Wang Lei Jin Fang Lin Jie Xia Lijian Sun Biao Xu Chengcheng Ji Jing Chen Juan Chang Bo Tu Bing Song Chao Zhang Fu-Sheng Wang Ruonan Xu | 2019 | Cellular & Molecular Immunology2019，16，6： | 6 |
| 13 | Treatment of black liquor from the papermaking industry by acidification and reuse显示文摘Two different kinds of black liquor from the papermaking industry were treated by acidification and reuse. The experimental parameters and conditions were discussed in detail. The experimental results indicated that the treatment process mentioned in this article is an effective process for the treatment of black liquor from the papermaking industry. By the treatment, the solid materials in black liquor are transferred into two by products and the other components are reused or evaporated. Thus, no wastewater except some condensation water would be discharged in pulping process and the problem of pollution of black liquor would be effectively solved. | YANG Wen bo, MU Huan zhen, HUANG Yan chu (Research Center for Eco Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China. | 2003 | Journal of Environmental Sciences2003，15，5： | 5 |
| 14 | Effects of lifestyle interventions on rural patients with type 2 diabetes mellitus显示文摘BACKGROUND The prevalence of type 2 diabetes mellitus(T2DM)is rising rapidly in rural areas,and lifestyle interventions can effectively reduce the blood glucose levels of patients with T2DM.However,current dietary and exercise guidelines are still at experimental stages and are difficult for subjects to understand and implement.The Human Metabolism Analyzer provides real life interventions for the prevention and treatment of T2DM,and our pilot research has demonstrated its effectiveness and good compliance.AIM To investigate the effect of and compliance with lifestyle interventions in rural patients with T2DM.METHODS A total of ten rural villages were randomly selected in Chaoshui Township,Penglai City,Shandong Province,China,to conduct health screening among residents aged 50 years or older.Each rural village represented a group,and 12 patients with T2DM were randomly selected from each group(total:120)to participate in this study and receive real life lifestyle interventions and medication guidance.Lifestyle interventions included changing the meal order(A),postprandial activities(B),resistance exercise(C),and reverse abdominal breathing(D).Diabetes education was conducted at least once a month with a weekly phone follow-up to monitor exercise and diet.Waist circumference,blood pressure,body mass index(BMI),motor function,body composition,fasting blood glucose,and glycated hemoglobin(HbA1c)were analyzed before and 3 mo after the intervention.Moreover,patient compliance and adjustments of hypoglycemic drugs were evaluated.RESULTS A total of 109 subjects completed the study.The compliance rates for lifestyle interventions A,B,C,and D were 57.79%,60.55%,64.22%,and 75.23%,respectively.Among the subjects who received hypoglycemic drugs,the dose was reduced 2 to 3 times based on blood glucose in 54(67.50%)subjects and was tapered and discontinued in 5(6.25%)subjects within 3 mo,with no significant fluctuations in blood glucose after dose reduction and withdrawal.After lifestyle interventions,waist circumference,BMI,fasting blood glucose,and HbA1c significantly decreased(P<0.001);motor function and body composition also significantly improved(P<0.001).CONCLUSION For patients with T2DM,compliance to real-life lifestyle interventions is good,and the interventions significantly improve metabolic indicators such as waist circumference,BMI,blood pressure,HbA1c,body composition,and motor function.Some patients are able to taper or discontinue hypoglycemic drugs. | Bo Wang Xiao-Li Mu Juan Zhao Hai-Ping Jiang Shan-Shan Li Ge Yan Ying-Ying Hua Xue-Yi Ren Li-Xia Xing Yan Liang Shu-Dong Zhang Yu-Chi Zhao | 2020 | World Journal of Diabetes2020，11，6： | 5 |
| 15 | Clinical and angiographic characteristics of premenopausal women with coronary artery disease显示文摘当中年的 men.It 的疾病广泛地被接受,背景冠的动脉疾病( CAD )通常被考虑因为荷尔蒙 protection.Based ,为绝经前的女人的 CAD 的风险是低的,没有足够的 concern.Even nowthere ,更绝经前的女人受不了咽峡炎和心肌的梗塞,这仍然是有限的详细数据为了描述绝经前的 CAD patients.This 的 characteristicsmechanism 和预后,文章瞄准了到分析临床所有 P < 0.05 )我们在绝经前的 CAD 发现了单个容器的更多的经常的参与的 .Although (43.2%对 26.9%P=0 ),并且三倍的容器在绝经后( 56-60 岁) CAD 病人(33.8%对 20.4%P=0 )更严重的损害(90%)在留给主要(2.9%对1.1%, P=0.048 )并且近似左前面的下降动脉(男孩)(28.2%对 16.6%P=0 )在绝经前的 CAD ,组是有胸不快的绝经前的女人总是被发现把明显的 atherosclerosismore 使倾向了被定位的 found. | DOU Ke-fei XU Bo YANG Yue-jin Lü Rong QIU Hong YANG Wei-xian MU Zhao-wei GAO Run-lin GAO Zhan CHEN Ji-lin QIAO Shu-bin LI Jian-jun QIN Xue-wen LIU Hai-bo WU Yong-jian CHEN Jue YAO Min YOU Shi-jie YUAN Jin-qing DAI Jun | 2008 | Chinese Medical Journal2008，，23： | 5 |
| 16 | A review of β-Ga_2O_3 single crystal defects, their effects on device performance and their formation mechanism显示文摘As a wide-bandgap semiconductor(WBG), β-Ga_2O_3 is expected to be applied to power electronics and solar blind UV photodetectors. In this review, defects in β-Ga_2O_3 single crystals were summarized, including dislocations, voids, twin, and small defects. Their effects on device performance were discussed. Dislocations and their surrounding regions can act as paths for the leakage current of SBD in single crystals. However, not all voids lead to leakage current. There's no strong evidence yet to show small defects affect the electrical properties. Doping impurity was definitely irrelated to the leakage current. Finally, the formation mechanism of the defects was analyzed. Most small defects were induced by mechanical damages. The screw dislocation originated from a subgrain boundary. The edge dislocation lying on a plane slightly tilted towards the(102) plane, the(101) being the possible slip plane. The voids defects like hollow nanopipes, PNPs, NSGs and line-shaped grooves may be caused by the condensation of excess oxygen vacancies, penetration of tiny bubbles or local meltback. The nucleation of twin lamellae occurred at the initial stage of 'shoulder part' during the crystal growth. These results are helpful in controlling the occurrence of crystal defects and improving the device performance. | Bo Fu Zhitai Jia Wenxiang Mu Yanru Yin Jian Zhang Xutang Tao | 2019 | Journal of Semiconductors2019，40，1： | 5 |
| 17 | Enhancement of T Follicular Helper Cell-Mediated Humoral Immunity Reponses During Development of Experimental Autoimmune Myasthenia Gravis显示文摘Myasthenia gravis(MG) is a prototypical antibody-mediated neurological autoimmune disease with the involvement of humoral immune responses in its pathogenesis. T follicular helper(Tfh) cells have been implicated in many autoimmune diseases. However, whether and how Tfh cells are involved in MG remain unclear.Here, we established and studied a widely-used and approved animal model of human MG, the rat model with acetylcholine receptor alpha(AChRa) subunit(RAChR97–116)-induced experimental autoimmune myasthenia gravis(EAMG). This model presented mild bodyweight loss 10 days after the first immunization(representing the early stage of disease) and more obvious clinical manifestations and body-weight loss 7 days after the second immunization(representing the late stage of disease). AChR-specific pre-Tfh cells and mature Tfh cells were detected in these two stages, respectively. In cocultures of Tfh cells and B cells, the number of IgG2 bsecreting B cells and the level of anti-AChR antibodies in the supernatant were higher in the cultures containing EAMG-derived Tfh cells. In immunohistochemistry and immunofluorescence assays, a substantial number of CD4^+/Bcl-6^+ T cells and a greater number of larger germinal centers were observed in lymph node tissues resected from EAMG rats. Based on these results, wehypothesize that an AChR-specific Tfh cell-mediated humoral immune response contributes to the development of EAMG. | Ying-Zhe Cui Si-Ying Qu Lu-Lu Chang Jia-Rui Zhao Lili Mu Bo Sun Hu-Lun Li Tong-Shuai Zhang Guang-You Wang Qing-Fei Kong | 2019 | Neuroscience Bulletin2019，35，3： | 4 |
| 18 | Two-step transmission with artificial noise for secure wireless SIMO communications显示文摘The issue of physical layer security of the wireless single-input multiple-output(SIMO) system is addressed in this paper. We propose a two-step transmission scheme with artificial noise to improve the security and the scheme does not require the channel state information of the eavesdropper. In the first step, the destination which has multiple antennas generates a random reference symbol and artificial noise and transmits them in the direction of the source and its orthogonal space, respectively. The reference symbol is received by the source without being polluted by the artificial noise, while it is jammed by the artificial noise for the eavesdropper. In the second step, the symbol of the source is multiplied by the received reference symbol and then transmitted. Finally, the destination can directly estimate the symbol of the source using the reference symbol. However, the eavesdropper needs to additionally estimate the reference symbol for demodulating the symbol of the source, which usually obtains an inaccurate result due to the artificial noise. The informationtheoretic security of our scheme is analyzed and a lower bound of the achievable secrecy rate is derived. The performance of the new scheme is compared with that of the traditional approach under different input signals through numerical simulations. The results show that the proposed scheme outperforms the traditional SIMO approach especially in the high SNR region. | WANG Bo MU PengCheng YANG PeiZhi YIN QinYe | 2015 | Science China(Information Sciences)2015，58，4： | 4 |
| 19 | Coronary intervention in patients ≥75 years old with ST-elevation myocardial infarction: in-hospital and 6-month clinical outcomes显示文摘在老病人的心肌的梗塞( STEMI )介绍的背景圣片断举起然而,在有 STEMI 的老病人( 75 年)的经皮的冠的干预(一种总线标准)上的特定的临床的 characteristics.The 学习少些是在现在的学习的 performed.Methods ,从症状发作在 12 个小时以内经历一种总线标准的 522 个连续 STEMI 病人被调查,并且临床的特征和 66 个老病人的6月的结果( 75 年,组 A )与 th | ZHENG Xin LI Jian-jun YUAN Jin-qing QIN Xue-wen ZHU Cheng-gang GUO Yuan-lin MU Chao-wei HUA Yi-hong YANG Yue-jin XU Bo GAO Run-lin | 2010 | Chinese Medical Journal2010，，16： | 4 |
| 20 | Treatment of drilling wastewater using a weakly basic resin显示文摘Macroporous 弱基本阴离子 exchanger (D301R ) 被用来把有机物质从钻废水移开。吸附上的 pH,温度和行为在批实验被调查的接触时间的效果,它显示 COD (化学的氧需求) 钻废水的移动比率是约 90% ,并且对待的废水的 COD 在在适当操作条件下面的 70 mg/L 下面。因为它的更好的 elution 表演, NaOH 和 NaCl 的混合白酒作为 desorbent 被选择。动态吸附和新生显示出的列的结果废水的 COD 能被 D301R 树脂,和树脂高效地移开,这被选择 desorbent 容易改革。 | Lu Rongh Mu Bo Zhang Hongyan Guo Shaohui | 2008 | Petroleum Science2008，5，3： | 4 |
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