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| 1 | Diagnosis, treatment, and prevention of 2019 novel coronavirus infection in children: experts' consensus statement显示文摘Since the outbreak of 2019 novel coronavirus infection (2019-nCoV) in Wuhan City,China,by January 30,2020,a total of 9692 confirmed cases and 15,238 suspected cases have been reported around 31 provinces or cities in China.Among the confirmed cases,1527 were severe cases,171 had recovered and been discharged at home,and 213 died.And among these cases,a total of 28 children aged from 1 month to 17 years have been reported in China.For standardizing prevention and management of 2019-nCoV infections in children,we called up an experts' committee to formulate this experts' consensus statement.This statement is based on the Novel Coronavirus Infection Pneumonia Diagnosis and Treatment Standards (the fourth edition) (National Health Committee) and other previous diagnosis and treatment strategies for pediatric virus infections.The present consensus statement summarizes current strategies on diagnosis,treatment,and prevention of 2019-nCoV infection in children. | Kunling Shen Yonghong Yang Tianyou Wang Dongchi Zhao Yi Jiang Runming Jin Yuejie Zheng Baoping Xu Zhengde Xie Likai Lin Yunxiao Shang Xiaoxia Lu Sainan Shu Yan Bai Jikui Deng Min Lu Leping Ye Xuefeng Wang Yongyan Wang Liwei Gao | 2020 | World Journal of Pediatrics2020,16,3: | 56 |
| 2 | Metal-organic framework-derived porous shuttle-like vanadium oxides for sodium-ion battery application显示文摘有分层的结构的钒氧化物为锂离子电池和钠离子电池(亲族) 正在答应候选人。自我模板途径,从金属器官的框架(MOF ) 包含转变进多孔的金属氧化物,是完成理想的电气化学的性能的一个新奇、有效的方法。在这研究,多孔的像梭的钒氧化物(即, V 2 O 5, V 2 O 3/C) 被与一个特定的锻烧过程把 MIL-88B (V) 用作先锋成功地准备。作为 proof-of-concept 应用, asprepared 多孔的像梭的 V 2 O 3/C 为亲族被用作阳极材料。多孔的像梭的 V 2 与金属性的行为有固有的分层的结构的 O 3/C, ,展出优秀电气化学的性质。417, 247, 202, 176, 164,和 149 mAhants 的显著的率能力,仅仅 CC 一?? | Yangsheng Cai Guozhao Fang Jiang Zhou Sainan Liu Zhigao Luo Anqiang Pan Guozhong Cao I Shuquan Liang | 2018 | Nano Research2018,11,1: | 12 |
| 3 | Remineralization of enamel caries by an amelogenin-derived peptide and fluoride in vitro显示文摘Dental caries is one of the most common oral diseases in the world.This study was tantamount to investigate the combinatory effects of an amelogenin-derived peptide(called QP5)and fluoride on the remineralization of artificial enamel caries.The peptide QP5 was synthesized and characterized,and the binding capability of the peptide on hydroxyapatite(HA)and demineralized tooth enamel surface was analysed.Then,the mineralization function of the peptide and fluoride was studied through the spontaneous mineralization testing and remineralization on enamel caries in vitro.First,the novel peptide QP5 could bind on the hydroxyapatite and demineralized tooth enamel surfaces.Second,QP5 can transitorily stabilize the formation of amorphous calcium phosphate and direct the transformation into hydroxyapatite crystals alone and in combination with fluoride.In addition,compared to blocks treated by peptide QP5 alone or fluoride,the sample blocks showed significantly higher surface microhardness,lower mineral loss and shallower lesion depth after treatment with a combination of QP5 and fluoride at high or low concentrations.The peptide QP5 could control the crystallization of hydroxyapatite,and combinatory application of peptide QP5 and fluoride had a potential synergistic effect on the remineralization of enamel caries. | Longjiang Ding Sili Han Kun Wang Sainan Zheng Wenyue Zheng Xiu Peng Yumei Niu Wei Li Linglin Zhang | 2020 | Regenerative Biomaterials2020,7,3: | 6 |
| 4 | Microstructure evolution of a hypereutectic Nb–Ti–Si–Cr–Al–Hf alloy processed by directional solidification显示文摘In this work, the Nb–14Si–24Ti–10Cr–2Al–2Hf–0.1Y alloy(at.%) was processed by the liquid–metal-cooled directional solidification(DS) at 1750 C with withdrawal rates of 1.2, 6,18 mm/min and post heat treatment(HT) at 1450 C for 10 h. The microstructures of the directionally solidified and heat treated samples were investigated. The results show that the microstructure of directionally solidified alloy mainly consists of petaloid Nbss+ Nb5Si3eutectics and Ti-rich Nbss+ Nb5Si3+ Cr2Nb eutectics. With the increase of withdrawal rate, the primary Nb5Si3is eliminated, Nbss+ Nb5Si3eutectic cells turn round and connected with the microstructure refinement and Nbss+ Nb5Si3+ Cr2Nb eutectics turn to a river-like morphology. After heat treatment,Nbss+ Nb5Si3+ Cr2Nb eutectics disappeared and petaloid Nbss+ Nb5Si3eutectics turn to a specific fiber-mesh structure gradually, which is promoted by higher withdrawal rates. Furthermore,both the volume fraction of Cr2Nb and the content of Cr in Nbssof Nbss+ Nb5Si3eutectics change regularly with the increase of withdrawal rate and heat treatment at 1450 C for 10 h. | Ding Fei Jia Lina Yuan Sainan Su Linfen Weng Junfei Zhang Hu | 2014 | Chinese Journal of Aeronautics2014,27,2: | 5 |
| 5 | Preparation of a tantalum-based MoSi_(2)–Mo coating resistant to ultra-high-temperature thermal shock by a new two-step process显示文摘To develop an ultra-high-temperature resistant coating for a reusable thermal protection system,the preparation of a tantalum-based MoSi_(2)-Mo coating by a new two-step process of multi-arc ion plating and halide activated pack cementation is presented.The coating has a dense structure and is well compatible with the tantalum substrate,which can be thermally shocked from room temperature to 1750℃ for 360 cycles without failure.The mechanism of the coating’s excellent resistance to high-temperature thermal shocks is that a strong-binding gradient interface and a dense SiO_(2) oxide scale with good oxygen resistance are formed by the high-temperature self-diffusion of Si. | Sainan Liu Hongtai Shen Jiawei Xu Xiaojun Zhou Jianfei Liu Zhenyang Cai Xiaojun Zhao Lairong Xiao | 2021 | Journal of Materials Science & Technology2021,,22: | 4 |
| 6 | Use of Nitrite in Cured Meats and Consideration of Nitrite Substitutes显示文摘 | SUN Jing DONG Sainan | 2009 | 肉类研究2009,23,7: | 4 |
| 7 | Prototethyan orogenesis in southwest Yunnan and Southeast Asia显示文摘The Prototethyan Ocean has been suggested as an Early Paleozoic Ocean developed at the Gondwana northern margin. However, its spatial pattern, subduction style and closure time in SW Yunnan and SE Asia still remain unknown. The Prototethyan evolution in SW Yunnan and SE Asia and its internal connection with the South China Kwangsian(Ordo-Silurian)intracontinental orogenesis are also poorly constrained. By summarizing and analyzing the Early Paleozoic geological records in the Sibumasu and Indochina blocks, the eastern South China and SW Japan, this paper proposes the existence of a giant OrdoSilurian igneous belt along the Gondwana northern margin. A preliminary limitation has been obtained regarding the source nature and migration pattern of the igneous belt. Our data allow us to propose a model of the Early Paleozoic Andean-type active continental margin along the East Gondwana northern margin. This is the foundation to determine the southward subduction of the southern branch of the eastern Prototethyan Ocean underneath the Sibumasu and Indochina blocks along the YunxianMenghai(SW Yunnan)-Thailand Peninsula and the Tam Ky-Phouc Son suture in Central Vietnam, respectively, and the eastward linkage with the Early Paleozoic Osaka subduction zone in SW Japan across the peripheral Sanya area. These data synthetically indicate an easterly-diachronous and propagating Andean-type Cambrian(Furongian)-Silurian(Llandovery) orogenesis along the Gondwana northern margin from Nepal, NW India, South Tibet, Qiangtang to Central Vietnam across South Indochina and Sibumasu. This paper reconstructs the Early Paleozoic locations of the Sibumasu and Indochina fragments, as well as SW Japan and South China continent in the Gondwana northern margin, and proposes the far-field effect on the South China Kwangsian intra-continental orogenesis from the subduction of the Early Paleozoic Prototethyan southern branch. | Yuejun WANG Xianghong LU Xin QIAN Sainan WU Yuzhi ZHANG Yang WANG | 2022 | Science China Earth Sciences2022,65,10: | 4 |
| 8 | Allelic Analyses of the Arabidopsis YUC1 Locus Reveal Residues and Domains Essential for the Functions of YUC Family of Flavin Monooxygenases显示文摘Flavin monooxygenases(FMOs) play critical roles in plant growth and development by synthesizing auxin and other signaling molecules.However,the structure and function relationship within plant FMOs is not understood.Here we defined the important residues and domains of the Arabidopsis YUC1 FMO,a key enzyme in auxin biosynthesis.We previously showed that simultaneous inactivation of YUC1 and its homologue YUC4 caused severe defects in vascular and floral development.We mutagenized the yuc4 mutant and screened for mutants with phenotypes similar to those of yuc1 yuc4 double mutants.Among the isolated mutants,five of them contained mutations in the YUC1 gene.Interestingly,the mutations identified in the new yuc1 alleles were concentrated in the two GXGXXG motifs that are highly conserved among the plant FMOs.One such motif presumably binds to flavin adenine dinucleotide(FAD) cofactor and the other binds to nicotinamide adenine dinucleotide phosphate(NADPH).We also identified the Ser139 to Phe conversion in yuc1,a mutation that is located between the two nucleotide-binding sites.By analyzing a series of yuc1 mutants,we identified key residues and motifs essential for the functions of YUC1 FMO. | Xianhui Hou Sainan Liu Florencia Pierri Xinhua Dai Li-Jia Qu Yunde Zhao | 2011 | Journal of Integrative Plant Biology2011,53,1: | 4 |
| 9 | Nitrogen/sulfur co-doped hollow carbon nanofiber anode obtained from polypyrrole with enhanced electrochemical performance for Na-ion batteries显示文摘Polypyrrole and sulfur derived hollow carbon nanofibers co-doped with nitrogen/sulfur are synthesized and applied as the anode for Na-ion batteries(NIBs). Successful doping of hollow carbon nanofiber with nitrogen and sulfur is confirmed by X-ray photoelectron spectroscopy, scanning and tunneling electron microscopy. Further analysis certifies that sulfur doping has a significant impact in improving the elecctrochemical performance of the carbon-based anodes for NIBs. The obtained N-doped hollow carbon nanofiber and N/S co-doped hollow carbon nanofiber exhibit similar morphologies but different electrochemical behavior. As expected, the N/S co-doped hollow carbon nanofiber anode exhibits enhanced electrochemical performance, including high specific capacity, outstanding long-term stability, and good rate stability. | Zhigao Luo Sainan Liu Yangshen Cai Shi Li Anqiang Pan Shuquan Liang | 2018 | Science Bulletin2018,63,2: | 4 |
| 10 | Parkin deficiency accentuates chronic alcohol intake-induced tissue injury and autophagy defects in brain,liver and skeletal muscle显示文摘Alcoholism leads to organ injury including mitochondrial defect and apoptosis with evidence favoring a role for autophagy dysregulation in alcoholic damage.Parkin represents an autosomal recessive in herited gene for Parkins on's disease and an important member of selective autophagy for mitoch on dria.The associati on between Parkins on's disease and alcoholic injury remains elusive.This study aimed to examine the effect of parki n deficiency on chr onic alcohol in takeinduced organ injury in brain,liver and skeletal muscle(rectus femoris muscle).Adult parkinknockout(PRK-/-)and wild-type mice were placed on Liber-De Carli alcohol liquid diet(4%)for 12 weeks prior to assessment of liver enzymes,intraperitoneal glucose toleranee,protein carbonyl content apoptosis,hematoxylin and eosin morphological staining,and mitochondrial respiration(cytochrome c oxidase,NADH:cytochrome c reductase and succinate:cytochrome c reductase).Autophagy protein markers were monitored by western blot analysis.Our data revealed that chronic alcohol intake imposed liver injury as evidenced by elevated aspartate aminotransferase and alanine transaminase,glucose intoleranee,elevated protein carbonyl formation,apoptosis,focal inflammation,necrosis,microvesiculation,autophagy/mitophagy failure and dampened mitochondrial respiration(complexⅣ,complexesⅠandⅢ,and complexesⅡandⅢ)in the brain,liver and rectus femoris skeletal muscle.Although parkin ablation itself did not generate any notable effects on liver enzymes,insulin sensitivity,tissue carbonyl damage,apoptosis,tissue morphology,autophagy or mitochondrial respiration,it accentuated alcohol intake-induced tissue damage,apoptosis,morphological change,autophagy/mitophagy failure and mitochondrial injury without affecting insulin sensitivity.These data suggest that parkin plays an integral role in the preservation against alcohol-induced organ injury,apoptosis and mitochondrial damage. | Hu Peng Xing Qin Sainan Chen Asli E Ceylan Maolong Dong Zhaofen Lin Jun Ren | 2020 | Acta Biochimica et Biophysica Sinica2020,52,6: | 3 |
| 11 | Toxic Effects of Three Heavy Metallic Ions on Rana zhenhaiensis Tadpoles显示文摘Heavy metal pollution is widespread in some areas of China and results in contamination of land, water, and air with which all living organisms interact. In this study, we used three heavy metallic ions(Cu2+, Pb2+ and Zn2+) to assess their toxicity effects on mortality, blood biomarker and growth traits(body length and body mass) of Rana zhenhaiensis tadpoles. The results showed that the toxicity levels of the three metallic ions were different when conducted with different experiment designs. For acute toxicity tests, Cu2+ was the most toxic with the highest tadpole mortality. The mortalities of tadpoles showed significant differences among the treatments at the same exposure time endpoints(24, 48, 72 and 96h). Results from repeated measures ANOVA indicated that metallic ion concentration, exposure time and their interactions significantly affected the mortalities of R. zhenhaiensis tadpoles. Also, the toxicity effects of all binary combinations of the three metallic ion treatments showed synergism. The half lethal concentrations(LC50) decreased with increasing exposure time during the experimental period, and the safe concentration(SC) values of Cu2+, Pb2+ and Zn2+ were different from each other. Combined and compared LC50 values with previous data reported, it is suggestes that the toxicity levels of metal pollution to anuran tadpoles should be species-and age-related. For blood biomarker tests, Zn2+ was the most toxic with the highest total frequencies of abnormal erythrocytic nucleus. All three metallic ions caused higher abnormal erythrocytic nucleus compared with control groups. In a chronic toxicity test, Pb2+ was the most toxic with lowest growth traits. Survival rate(except for 18 days), total body length and body mass showed significant differences among the treatments. These findings indicated that tadpoles of R. zhenhaiensis should be as a bioindicator of heavy metals pollution. | Li WEI Guohua DING Sainan GUO Meiling TONG Wenjun CHEN Jon FLANDERS Weiwei SHAO Zhihua LIN | 2015 | Asian Herpetological Research2015,6,2: | 3 |
| 12 | Effects of Combined Pre-straining and Pre-aging on Natural Aging and Bakehardening Response of an Al-Mg-Si Alloy显示文摘For a series of Al-0.34%Mg-1.05%Si-0.08%Cu alloys, the effects of pre-treatment on natural aging, bake hardening response and plasticity were investigated using Vickers hardness test and tensile test. Differential scanning calorimetry (DSC) analysis was conducted to reveal corresponding precipitation mechanisms. The results showed that pre-straining and pre-aging alone couldn't completely suppress natural aging and improve bake hardening response simultaneously. The sensitivity of the pre-straining and pre-aging on the mechanical properties was evaluated. It was found that pre-aging was the main factor which greatly improved bake hardening response and pre-treatment had a weak influence on plasticity in pre-treated samples. DSC analysis showed that the dissolution trough of clusters disappeared in pre-treated samples, both β'' and β' precipitation peak shifted to lower temperature and were reduced in pre-strained and pre-aged samples. It was concluded that the formation of Mg/Si clusters was replaced by the accelerated precipitation of β'' and β' phases, which caused the suppression of natural aging and the improvement of bake hardening response (BHR). | Zhiqing ZHANG Huanhuan XU Sainan WU Yin LIU | 2013 | Acta Metallurgica Sinica(English Letters)2013,26,3: | 3 |
| 13 | The effects of different nitrogen sources on camptothecin content and related gene expression in Camptotheca acuminata seedlings显示文摘Camptotheac acuminata Decne is a unique tree species in China with an important secondary metabolite,camptothecin(CPT),used in the treatment of cancer.Nitrogen(N)is an important element that affects plant growth and the accumulation of CPT.Reports on the effect of N on CPT synthesis from a genetic perspective are scarce.To explore the effects of different N sources and levels on CPT synthesis in C.acuminata,two-year-old seedlings were fertilized with different concentrations of pure ammonium sulphate,source of ammonium N(NH4+-N),and potassium nitrate for nitrate N(NO3--N).Concentrations of 2.5,5,7.5,and10 g pot-1 NH4+-N and NO3--N were used.The results showed that 7.5 g NH4+-N and NO3--N treatments were best for growth and fresh weight of leaves.Compared with the other treatments,the CPT content,tryptophan synthase and tryptophan decarboxylase activities,and expression of the CaTSB and CaTDCl genes under the 2.5 g NH4+-N and NO3--N treatments peaked significantly at 30 days.However,the expression of CaTDC2 surpassed that of the other two genes at 60 days.Therefore,compared with NH4+-N source,the NO3--N source was more beneficial for growth,and NO3--N was better for CPT yield.Consequently,leaves of C.acuminata treated with 2.5 g NO3--N could be harvested after 30 days to obtain maximum CPT content.CaTDC1 is more closely linked to CPT synthesis.The results of this study improved the production of CPT in C.acuminata via fertilization. | Xiaode Wang Sainan Bian Pengjie Chang Ninghang Wang Lingjuan Xuan Mingru Zhang Bin Dong Chao Zhang Jiasheng Wu Yeqing Ying Xiazhen Lin Yamei Shen | 2020 | Journal of Forestry Research2020,31,4: | 3 |
| 14 | Evaluation of a bioceramic as a pulp capping agent in vitro and in vivo 显示文摘 | Siyi L Sainan W Yanmei D | 2015 | J Endod2015,41,: | 1 |
| 15 | Factors associated with prehospi- tal delays in the presentation of acute stroke in urban China 显示文摘 | Haiqiang J Sainan Z Jade W | 2012 | Stroke2012,43,2: | 1 |
| 16 | A20 promotes colorectal cancer immune evasion by upregulating STC1 expression to block “eat-me” signal显示文摘Immune checkpoint inhibitors(ICIs)have induced durable clinical responses in a subset of patients with colorectal cancer(CRC).However,the dis-satisfactory response rate and the lack of appropriate biomarkers for selecting suitable patients to be treated with ICIs pose a major challenge to current immunotherapies.Inflammation-related molecule A20 is closely related to cancer immune response,but the effect of A20 on“eat-me”signal and immunotherapy efficacy remains elusive.We found that A20 downregulation prominently improved the antitumor immune response and the efficacy of PD-1 inhibitor in CRC in vitro and in vivo.Higher A20 expression was associated with less infiltration of immune cells including CD3(+),CD8(+)T cells and macrophages in CRC tissues and also poorer prognosis.Gain-and loss-A20 functional studies proved that A20 could decrease the“eat-me”signal calreticulin(CRT)protein on cell membrane translocation via upregulating stanniocalcin 1(STC1),binding to CRT and detaining in mitochondria.Mechanistically,A20 inhibited GSK3βphosphorylating STC1 at Thr86 to slow down the degradation of STC1 protein.Our findings reveal a new crosstalk between inflammatory molecule A20 and“eat-me”signal in CRC,which may represent a novel predictive biomarker for selecting CRC patients most likely to benefit from ICI therapy. | Min Luo Xueping Wang Shaocong Wu Chuan Yang Qiao Su Lamei Huang Kai Fu Sainan An Fachao Xie Kenneth Kin Wah To Fang Wang Liwu Fu | 2023 | Signal Transduction and Targeted Therapy2023,8,9: | 1 |
| 17 | Molecular grafting towards high-fraction active nanodots implanted in N-doped carbon for sodium dual-ion batteries显示文摘Sodium-based dual-ion batteries(Na-DIBs) show a promising potential for large-scale energy storage applications due to the merits of environmental friendliness and low cost.However,Na-DIBs are generally subject to poor rate capability and cycling stability for the lack of suitable anodes to accommodate large Na+ ions.Herein,we propose a molecular grafting strategy to in situ synthesize tin pyrophosphate nanodots implanted in N-doped carbon matrix(SnP_(2)O_(7)@N-C),which exhibits a high fraction of active SnP_(2)O_(7) up to 95.6 wt% and a low content of N-doped carbon(4.4 wt%) as the conductive framework.As a result,this anode delivers a high specific capacity400 mAh g^(-1) at 0.1 A g^(-1),excellent rate capability up to 5.0 A g^(-1) and excellent cycling stability with a capacity retention of 92% after 1200 cycles under a current density of1.5 A g^(-1).Further,pairing this anode with an environmentally friendly KS6 graphite cathode yields a SnP_(2)O_(7)@N-C||KS6 Na-DIB,exhibiting an excellent rate capability up to 30 C,good fast-charge/slow-discharge performance and long-term cycling life with a capacity retention of96% after 1000 cycles at 20 C.This study provides a feasible strategy to develop high-performance anodes with high-fraction active materials for Na-based energy storage applications. | Sainan Mu Qirong Liu Pinit Kidkhunthod Xiaolong Zhou Wenlou Wang Yongbing Tang | 2021 | National Science Review2021,8,7: | 1 |
| 18 | A reversed phase/hydrophilic interaction/ion exchange mixed-mode stationary phase for liquid chromatography显示文摘A reversed phase (RP)/hydrophilic interaction (HILIC)/ion exchange (IEX) mixed tri-mode stationary phase (TMSP) has been prepared via a divergent synthesis scheme starting from propylamine on silica then by amine-epoxy reactions with 1,4-butanedioldiglycidyl ether and tertiary amines (N,Ndimethyldecylamine, DMDA). Its retention mechanism was found to follow RP/HILIC/IEX mixed-mode.The stop-flow test revealed that TMSP had good compatibility with 100% aqueous mobile phase. It demonstrated effective separation towards several kinds of compounds or drug molecules and their counterions within a single run. | Sainan Zhang Feifang Zhang Bingcheng Yang Xinmiao Liang | 2019 | Chinese Chemical Letters2019,30,2: | 1 |
| 19 | Factors associated with hand hygiene practices in two neonatal intensive care units 显示文摘 | Conhen B Sainan L Ciniotti J | 2003 | Pediatr Infect Dis J2003,22,: | 1 |
| 20 | Engineering CoMoO_(4) in reduced graphene oxide as superior cathode hosts for advanced room-temperature sodium-sulfur batteries显示文摘Promising room-temperature sodium-sulfur(RT Na-S)battery systems rely on purposely designed highperforming and low-cost electrode materials.Nevertheless,there are the challenges of irreversible dissolution and slow redox kinetics of NaPSs in the complete discharge of sulfur capacity.Herein,engineered CoMoO_(4)in reduced graphene oxide(CoMoO_(4)@rGO)is reported as a class of superior cathode hosts for RT Na-S batteries.The CoMoO_(4)@rGO matrix is designed to facilitate the reversible sodiation and desodiation of sulfur,considering the strong chemisorption between sulfur(and short-chain sodium sulfides)and CoMoO_(4),which alleviates the shuttle effect of sodium sulfides and accelerates the electrochemical reaction rate at RT.The obtained S/CoMoO_(4)@rGO cathode with~52%S loading exhibits a high capacity of520.1 mA h g^(-1)after 100 cycles at 0.1 A g^(-1).Moreover,an enhanced long-term performance at high current densities(212.2 mA h g^(-1)at 4 A g^(-1)over 1000 cycles)with high Coulombic efficiency(~100%)is also achieved.This work demonstrates a novel multifunctional additive for RT Na-S battery cathodes,which is expected to promote the long-waited development towards practical applications of RT Na-S batteries. | Xin Ye Sainan Luo Zhiqi Li Jiafeng Ruan Yuepeng Pang Junhe Yang John Wang Shiyou Zheng | 2023 | Journal of Energy Chemistry2023,,11: | 1 |