维普中文期刊产品整合服务
33篇 您的检索式:作者名="Yang Guo Biao"
    题名 作者 年代 出处 被引量
1Terrestrial carbon sinks in China and around the world and their contribution to carbon neutrality显示文摘Enhancing the terrestrial ecosystem carbon sink(referred to as terrestrial C sink) is an important way to slow down the continuous increase in atmospheric carbon dioxide(CO_(2)) concentration and to achieve carbon neutrality target.To better understand the characteristics of terrestrial C sinks and their contribution to carbon neutrality,this review summarizes major progress in terrestrial C budget researches during the past decades,clarifies spatial patterns and drivers of terrestrial C sources and sinks in China and around the world,and examines the role of terrestrial C sinks in achieving carbon neutrality target.According to recent studies,the global terrestrial C sink has been increasing from a source of (-0.2±0.9) Pg C yr^(-1)(1 Pg=1015g)in the 1960s to a sink of (1.9±1.1) Pg C yr^(-1) in the 2010s.By synthesizing the published data,we estimate terrestrial C sink of 0.20–0.25 Pg C yr^(-1) in China during the past decades,and predict it to be 0.15–0.52 Pg C yr^(-1) by 2060.The terrestrial C sinks are mainly located in the mid-and high latitudes of the Northern Hemisphere,while tropical regions act as a weak C sink or source.The C balance differs much among ecosystem types:forest is the major C sink;shrubland,wetland and farmland soil act as C sinks;and whether the grassland functions as C sink or source remains unclear.Desert might be a C sink,but the magnitude and the associated mechanisms are still controversial.Elevated atmospheric CO_(2) concentration,nitrogen deposition,climate change,and land cover change are the main drivers of terrestrial C sinks,while other factors such as fires and aerosols would also affect ecosystem C balance.The driving factors of terrestrial C sink differ among regions.Elevated CO_(2) concentration and climate change are major drivers of the C sinks in North America and Europe,while afforestation and ecological restoration are additionally important forcing factors of terrestrial C sinks in China.For future studies,we recommend the necessity for intensive and long-term ecosystem C monitoring over broad geographic scale to improve terrestrial biosphere models for accurately evaluating terrestrial C budget and its dynamics under various climate change and policy scenarios.Yuanhe Yang Yue Shi Wenjuan Sun Jinfeng Chang Jianxiao Zhu Leiyi Chen Xin Wang Yanpei Guo Hongtu Zhang Lingfei Yu Shuqing Zhao Kang Xu Jiangling Zhu Haihua Shen Yuanyuan Wang Yunfeng Peng Xia Zhao Xiangping Wang Huifeng Hu Shiping Chen Mei Huang Xuefa Wen Shaopeng Wang Biao Zhu Shuli Niu Zhiyao Tang Lingli Liu Jingyun Fang 2022Science China(Life Sciences)2022,65,5:32
2Complement C3 activation regulates the production of tRNA-derived fragments Gly-tRFs and promotes alcohol-induced liver injury and steatosis显示文摘Complement is known to play a role in alcoholic fatty liver disease (AFLD), but the underlying mechanisms are poorly understood, thereby constraining the development of a rational approach for therapeutic intervention in the complement system. C3 deficiency has been shown to impart protective effects against ethanol-induced hepatic steatosis and inflammation. Here we demonstrate a protection effect in wild-type mice by treatment with CR2-Crry, a specific inhibitor of C3 activation. The expression of glycine transfer (t) RNA-derived fragments (Gly-tRFs) is upregulated in ethanol-fed mice and inhibition of Gly-tRFs in vivo decreases chronic ethanol feeding-induced hepatosteatosis without affecting inflammation. The expression of Gly-tRF was downregulated in C3-deficient or CR2-Crry-treated mice, but not in C5-deficient mice;Gly-tRF expression was restored by the C3 activation products C3a or Asp (C3a-des-Arg) via the regulation of CYP2E1. Transcriptome profiling of hepatic tissues showed that Gly-tRF inhibitors upregulate the expression of sirtuin1 (Sirt1) and subsequently affect downstream lipogenesis and β-oxidation pathways. Mechanistically, Gly-tRF interacts with AGO3 to downregulate Sirt1 expression via sequence complementarity in the 3′ UTR. Notably, the expression levels of C3d, CYP2E1 and Gly-tRF are upregulated, whereas Sirt1 is decreased in AFLD patients compared to healthy controls. Collectively, our findings suggest that C3 activation products contribute to hepatosteatosis by regulating the expression of Gly-tRF. Complement inhibition at the C3 activation step and treatment with Gly-tRF inhibitors may be potential and precise therapeutic approaches for AFLD.Fudi Zhong Zhigao Hu Keqing Jiang Biao Lei Zhan Wu Guandou Yuan Hongliang Luo Chunqiang Dong Bo Tang Chaowen Zheng Shuai Yang Yonglian Zeng Zhenya Guo Shuiping Yu Huizhao Su Guo Zhang Xiaoqiang Qiu Stephen Tomlinson Songqing He 2019Cell Research2019,29,7:14
3Experimental study on strain and deformation monitoring of reinforced concrete structures using PPP-BOTDA显示文摘Pulse-prepump Brillouin optical time domain analysis (PPP-BOTDA) is a novel technique for distributed strain measurements, in which a pre-pump pulse is inputted in front of the measuring pump pulse to stimulate the phonon, so that higher spatial resolution and measurement precision can be obtained. Principle, methodologies and technical parameters of the PPP-BOTDA are presented and the influence of temperature on measurements is discussed. Applications are made in the bond test of steel rebars and the bending test of concrete girders. Test results show that the PPP-BOTDA can provide a precise description on the strain distribution of steel rebar and concrete, exhibiting the ability for crack detection. Moreover, structural deformation can be obtained indirectly by accumulating the distributed strains along the optical fiber, thus the deflection curves of the concrete girder during the loading process are obtained. Suggestions with regards to the application of the PPP-BOTDA in strain measurements and crack monitoring for civil infrastructures are given.GUO Tong LI AiQun SONG YongSheng ZHANG Biao LIU Yang YU NingSheng 2009Science China(Technological Sciences)2009,52,10:7
4Recent progress of integrated circuits and optoelectronic chips显示文摘Integrated circuits(ICs)and optoelectronic chips are the foundation stones of the modern information society.The IC industry has been driven by the so-called'Moore's law'in the past 60 years,and now has entered the post Moore's law era.In this paper,we review the recent progress of ICs and optoelectronic chips.The research status,technical challenges and development trend of devices,chips and integrated technologies of typical IC and optoelectronic chips are focused on.The main contents include the development law of IC and optoelectronic chip technology,the IC design and processing technology,emerging memory and chip architecture,brain-like chip structure and its mechanism,heterogeneous integration,quantum chip technology,silicon photonics chip technology,integrated microwave photonic chip,and optoelectronic hybrid integrated chip.Yue HAO Shuiying XIANG Genquan HAN Jincheng ZHANG Xiaohua MA Zhangming ZHU Xingxing GUO Yahui ZHANG Yanan HAN Ziwei SONG Yan LIU Ling YANG Hong ZHOU Jiangyi SHI Wei ZHANG Min XU Weisheng ZHAO Biao PAN Yangqi HUANG Qi LIU Yimao CAI Jian ZHU Xin OU Tiangui YOU Huaqiang WU Bin GAO Zhiyong ZHANG Guoping GUO Yonghua CHEN Yong LIU Xiangfei CHEN Chunlai XUE Xingjun WANG Lixia ZHAO Xihua ZOU Lianshan YAN Ming LI 2021Science China(Information Sciences)2021,64,10:7
5Clinical significance of germline copy number variation in susceptibility of human diseases显示文摘Germline copy number variation(CNV) is considered to be an important form of human genetic polymorphisms. Previous studies have identified amounts of CNVs in human genome by advanced technologies, such as comparative genomic hybridization, single nucleotide genotyping, and high-throughput sequencing. CNV is speculated to be derived from multiple mechanisms, such as nonallelic homologous recombination(NAHR) and nonhomologous end-joining(NHEJ). CNVs cover a much larger genome scale than single nucleotide polymorphisms(SNPs), and may alter gene expression levels by means of gene dosage, gene fusion, gene disruption, and long-range regulation effects, thus affecting individual phenotypes and playing crucial roles in human pathogenesis. The number of studies linking CNVs with common complex diseases has increased dramatically in recent years. Here, we provide a comprehensive review of the current understanding of germline CNVs, and summarize the association of germline CNVs with the susceptibility to a wide variety of human diseases that were identified in recent years. We also propose potential issues that should be addressed in future studies.Liwen Hu Xinyue Yao Hairong Huang Zhong Guo Xi Cheng Yang Xu Yi Shen Biao Xu Demin Li 2018Journal of Genetics and Genomics2018,45,1:4
6Enhanced ion conductivity and electrode–electrolyte interphase stability of porous Si anodes enabled by silicon nitride nanocoating for high-performance Li-ion batteries显示文摘Silicon (Si) is a promising anode material for next-generation high-energy lithium-ion batteries (LIBs) due to its high capacity.However,the large volumetric expansion,poor ion conductivity and unstable solid electrolyte interface (SEI) lead to rapid capacity fading and low rate performance.Herein,we report Si nitride (SiN) comprising stoichiometric Si_(3)N_(4) and Li-active anazotic SiN_(x) coated porous Si (p-Si@SiN)for high-performance anodes in LIBs.The ant-nest-like porous Si consisting of 3D interconnected Si nanoligaments and bicontinuous nanopores prevents pulverization and accommodates volume expansion during cycling.The Si_(3)N_(4) offers mechanically protective coating to endow highly structural integrity and inhibit superfluous formation of SEI.The fast ion conducting Li_(3)N generated in situ from lithiation of active SiN_(x) facilitates Li ion transport.Consequently,the p-Si@SiN anode has appealing electrochemical properties such as a high capacity of 2180 mAh g^(-1)at 0.5 A g^(-1) with 84%capacity retention after 200cycles and excellent rate capacity with discharge capacity of 721 mAh g^(-1) after 500 cycles at 5.0 A g^(-1).This work provides insights into the rational design of active/inactive nanocoating on Si-based anode materials for fast-charging and highly stable LIBs.Shixiong Mei Siguang Guo Ben Xiang Jiaguo Deng Jijiang Fu Xuming Zhang Yang Zheng Biao Gao Paul K Chu Kaifu Huo 2022Journal of Energy Chemistry2022,31,6:2
7Thrombin induces ACSL4-dependent ferroptosis during cerebral ischemia/reperfusion显示文摘Ischemic stroke represents a significant danger to human beings,especially the elderly.Interventions are only available to remove the clot,and the mechanism of neuronal death during ischemic stroke is still in debate.Ferroptosis is increasingly appreciated as a mechanism of cell death after ischemia in various organs.Qing-zhang Tuo Yu Liu Zheng Xiang Hong-Fa Yan Ting Zou Yang Shu Xu-long Ding Jin-jun Zou Shuo Xu Fei Tang Yan-qiu Gong Xiao-lan Li Yu-jie Guo Zhao-yue Zheng Ai-ping Deng Zhang-zhong Yang Wen-jing Li Shu-ting Zhang Scott Ayton Ashley I.Bush Heng Xu Lunzhi Dai Biao Dong Peng Lei 2022Signal Transduction and Targeted Therapy2022,7,3:2
8First total synthesis of four natural prenylated flavonoids显示文摘为 prenylated flavonoids 的第一全部的合成的一条灵巧的途径,(慬潶潮摩 ?Jin Hui Yang Wu Biao Zuo Dong Dong Guo Jun Shan Luo Wen Qian Huang 2012Chinese Chemical Letters2012,23,12:2
9Efficacy,safety and immunogenicity of hexavalent rotavirus vaccine in Chinese infants显示文摘A randomized,double-blind,placebo-controlled multicenter trial was conducted in healthy Chinese infants to assess the efficacy and safety of a hexavalent live human-bovine reassortant rotavirus vaccine(HRV)against rotavirus gastroenteritis(RVGE).A total of 6400 participants aged 6-12 weeks were enrolled and randomly assigned to either HRV(n?3200)or placebo(n?3200)group.All the subjects received three oral doses of vaccine four weeks apart.The vaccine efficacy(VE)against RVGE caused by rotavirus serotypes contained in HRV was evaluated from 14 days after three doses of administration up until the end of the second rotavirus season.VE against severe RVGE,VE against RVGE hospitalization caused by serotypes contained in HRV,and VE against RVGE,severe RVGE,and RVGE hospitalization caused by natural infection of any serotype of rotavirus were also investigated.All adverse events(AEs)were collected for 30 days after each dose.Serious AEs(SAEs)and intussusception cases were collected during the entire study.Our data showed that VE against RVGE caused by serotypes contained in HRV was 69.21%(95%CI:53.31-79.69).VE against severe RVGE and RVGE hospitalization caused by serotypes contained in HRV were 91.36%(95%CI:78.45-96.53)and 89.21%(95%CI:64.51-96.72)respectively.VE against RVGE,severe RVGE,and RVGE hospitalization caused by natural infection of any serotype of rotavirus were 62.88%(95%CI:49.11-72.92),85.51%(95%CI:72.74-92.30)and 83.68%(95%CI:61.34-93.11).Incidences of AEs from the first dose to one month post the third dose in HRV and placebo groups were comparable.There was no significant difference in incidences of SAEs in HRV and placebo groups.This study shows that this hexavalent reassortant rotavirus vaccine is an effective,well-tolerated,and safe vaccine for Chinese infants.Zhiwei Wu Qingliang Li Yan Liu Huakun Lv Zhaojun Mo Fangjun Li Qingchuan Yu Fei Jin Wei Chen Yong Zhang Teng Huang Xiaosong Hu Wei Xia Jiamei Gao Haisong Zhou Xuan Bai Yueyue Liu Zhenzhen Liang Zhijun Jiang Yingping Chen Jiuwei Zhang Jialiang Du Biao Yang Bo Xing Yantao Xing Ben Dong Qinghai Yang Chen Shi Tingdong Yan Bo Ruan Haiyun Shi Xingliang Fan Dongyang Feng Weigang Lv Dong Zhang Xiangchu Kong Liuyifan Zhou Dinghong Que Hong Chen Zhongbing Chen Xiang Guo Weiwei Zhou Cong Wu Qingrong Zhou Yuqing Liu Jian Qiao Ying Wang Xinguo Li Kai Duan Yuliang Zhao Gelin Xu Xiaoming Yang 2022Virologica Sinica2022,37,5:2
10Ferroptosis promotes T-cell activation-induced neurodegeneration in multiple sclerosis显示文摘While many drugs are effective at reducing the relapse frequency of multiple sclerosis (MS), there is an unmet need for treatments that slow neurodegeneration resulting from secondary disease progression. The mechanism of neurodegeneration in MS has not yet been established. Here, we discovered a potential pathogenetic role of ferroptosis, an iron-dependent regulated cell death mechanism, in MS. We found that critical ferroptosis proteins (acyl-CoA synthetase long-chain family member 4, ACSL4) were altered in an existing genomic database of MS patients, and biochemical features of ferroptosis, including lipid reactive oxygen species (ROS) accumulation and mitochondrial shrinkage, were observed in the experimental autoimmune encephalitis (EAE) mouse model. Targeting ferroptosis with ferroptosis inhibitors or reducing ACSL4 expression improved the behavioral phenotypes of EAE mice, reduced neuroinflammation, and prevented neuronal death. We found that ferroptosis was an early event in EAE, which may promote T-cell activation through T-cell receptor (TCR) signaling in vitro and in vivo. These data indicate that ferroptosis may be a potential target for treating MS.Jinyuan Luoqian Wenyong Yang Xulong Ding Qing-zhang Tuo Zheng Xiang Zhaoyue Zheng Yu-jie Guo Li Li Pengbo Guan Scott Ayton Biao Dong Huiyuan Zhang Hongbo Hu Peng Lei 2022Cellular & Molecular Immunology2022,19,8:2
11Risk factors associated with hemorrhagic cystitis after allogeneic hematopoietic stem cell transplantation显示文摘Hemorrhagic cystitis(HC)is a common complication of allogeneic hematopoietic stem cell transplantation(HSCT).The incidence is about 7%to 68%,and some patients have to suffer a long period of frequent,urgent,and painful urination,which brings great pain.This study aimed to analyze risk factors of HC and its effect on patient survival.We collected the medical records of 859 patients who underwent HSCT at our hospital between August 2016 and August 2020.Patients with and without HC were matched using propensity score matching at a 1:1 ratio based on sex,age,and diagnosis,and logistic regression analyses were used to identify factors associated with HC.We used Kaplan–Meier curves to analyze the survival rates of patients in the HC and non-HC groups.We also analyzed the relationship between BK viral load and the occurrence of HC using receiver operating characteristic curve(ROC)analysis.After propensity score matching,there were 131 patients each in the HC and non-HC groups.In the HC group,89 patients(67.9%)had mild HC(stage II°)and 43(32.1%)had severe HC(stage III–IV).The median interval between stem cell transplantation and HC development was 31(3–244)days.Univariate analysis indicated that donor age,hematopoietic stem cell source,HLA,acute graft-versus-host disease,busulfan,anti-thymocyte globulin(ATG),total body irradiation,cytomegalovirus(CMV)(urine),and BK polyomavirus(BKV)(urine)were significantly associated with HC.ATG,CMV(urine),and BKV(urine)were independent risk factors for HC based on the multivariate analysis.The Kaplan–Meier survival analysis showed no significant difference between the HC and non-HC groups(P=0.14).The 1-and 2-year survival rates in the HC group were 78.4%and 69.6%,respectively,and the corresponding rates in the non-HC group were 84.4%and 80.7%,respectively.ROC analysis indicated that a urine BKV load of 1×10^(7) copies/mL was able to stratify the risk of HC.In conclusion,when the BKV load is>1×10^(7),we needtobe aware of the potential for the development of HC.Biao Shen Yueshen Ma Haixiao Zhang Mingyang Wang Jia Liu Jiaxin Cao Wenwen Guo Dan Feng Donglin Yang Rongli Zhang Xin Chen Qiaoling Ma Weihua Zhai Sizhou Feng Mingzhe Han Aiming Pang Erlie Jiang 2022Blood Science2022,4,2:2
12Biomechanical research on operations of hangmann fracture with finite element method 显示文摘Yang Guo Biao Ding Zhu Quan Wu Kui Wang Dongfang 2006Key Engineering Materials2006,,:1
13Experimental study of cholagogic cream for refractory jaundice显示文摘NTRODUCTION“Therefractoryjaundice”inthispaperimpliesthebenignictericdiseasewhichwasrepeatedlytreatedwitheitherwesternortradit...GUO Guang Hua 1, XU Jian Heng 2, SUN Shu Ming 2, MA Tao 2, WU Li Biao 2, YANG Yi Hua 1, ZHUANG Qing Wu 1 and JING Xu Bin 1 1999World Journal of Gastroenterology1999,5,1:1
14Acid-pickling plates and strips speed control system by microwave heating based on self-adaptive fuzzy PID algorithm 显示文摘YANG Biao PENG Jin-hui GUO Sheng-hui ZHANG Shi- min LI Wei HE Tao 2012Journal of Central South University2012,,19:1
15Evaluation of metoprolol standard dosing pathway in Chinese patients with acute coronary syndrome:a prospective multicenter single-arm interventional study显示文摘OBJECTIVE To evaluate the feasibility and tolerability of metoprolol standard dosing pathway(MSDP)in Chinese patients with acute coronary syndrome(ACS).METHODS In this multicenter,prospective,open label,single-arm and interventional study that was conducted from February 2018 to April 2019 in fifteen Chinese hospitals.A total of 998 hospitalized patients aged≥18 years and diagnosed with ACS were included.The MSDP was applied to all eligible ACS patients based on the standard treatment recommended by international guidelines.The primary endpoint was the percentage of patients achieving the target dose at discharge(V2).The secondary endpoints included the heart rate and blood pressure at V2 and four weeks after discharge(V4),and percentage of patients experiencing bradycardia(heart rate<50 beats/min),hypotension(blood pressure<90/60 mmHg)and transient cardiac dysfunction at V2 and V4.RESULTS Of the 998 patients,29.46%of patients achieved the target dose(≥95 mg/d)at V2.The total population was divided into two groups:target group(patients achieving the target dose at V2)and non-target group(patients not achieving the target dose at V2).There was significant difference in the reduction of heart rate from baseline to discharge in the two groups(-4.97±11.90beats/min vs.-2.70±9.47 beats/min,P=0.034).There was no significant difference in the proportion of bradycardia that occurred in the two groups at V2(0 vs.0,P=1.000)and V4(0.81%vs.0.33%,P=0.715).There was no significant difference in the proportion of hypotension between the two groups at V2(0.004%vs.0.004%,P=1.000)and V4(0 vs.0.005%,P=0.560).No transient cardiac dysfunction occurred in two groups during the study.A total of five adverse events(1.70%)and one serious adverse event(0.34%)were related to the pathway in target group.CONCLUSIONS In Chinese ACS patients,the feasibility and tolerability of the MSDP have been proved to be acceptable.Xiao-Yun YIN Yun-Mei ZHANG Ai-Dong SHEN Jing-Ping WANG Zhe-Xun LIAN Yi-Bing SHAO Wen-Qi ZHANG Shu-Ying ZHANG Yang ZHENG Kang CHENG Biao XU Cheng-Xing SHEN Rong-Chong HUANG Jin-Cheng GUO Guo-Sheng FU Dong-Kai SHAN Dan-Dan LI Yun-Dai CHEN 2023Journal of Geriatric Cardiology2023,20,4:1
16RNAi-mediated transgenic rice resistance to Rice stripe virus显示文摘Rice stripe virus(RSV) often causes severe rice yield loss in temperate regions of East Asia. Although the correlation of small interfering RNAs(si RNAs) with transgenic virus resistance of plants using RNA interference(RNAi) is known for decades, no systematical research has been done on the profiling of si RNAs from a genomic scale. Our research is aiming to systematically study the RNAi impact in RSV-resistant transgenic rice, which was generated by introducing an inverted repeat construct that targets RSV nucleocapsid protein(NCP) gene. In this paper, three independent RSV-retsistant transgenic rice lines were generated, their stable integration of the T-DNA fragment and the expression of si RNAs were confirmed by Southern blotting and Northern blotting analyses, and the majority of si RNAs were in lengths of 21, 22, and 24 nucleotides(nt), which have validated a connection between the presence of the RSV NCP homologous si RNAs and the RSV resistance in those transgenic rice lines. In one of these transgenic lines(T4-B1), the T-DNA fragment was found to have been inserted at chromosome 1 of the rice genome, substituting the rice genome fragment from 32 158 773 to 32 158 787 nt. Bioinformatics analysis of small RNA-Seq data on the T4-B1 line also confirmed the large population of NCP-derived si RNAs in transgenic plants, and the RSV-infected library(T4-B1-V) possessed more si RNAs than its mock inoculated libraries(T4-B1-VF), these results indicating the inverted repeat construct and RSV could introduce abundance of si RNAs in transgenic rice. Moreover, a varied expression level of specific si RNAs was found among different segments of the NCP gene template, about 47% of NCP-derived si RNAs reads aligned with the fragment from 594 to 832 nt(239 nt in length) in NCP gene(969 nt in length) in the T4-B1-V, indicating a potential usage of hotspot regions for RNAi silencing in future research. In conclusion, as the first study to address the si RNA profile in RSV-resistant transgenic plant using next generation sequencing(NGS) technique, we confirmed that the massive abundance of si RNA derived from the inverted repeat of NCP is the major reason for RSV-resistance.LI Li GUO Cheng WANG Biao ZHOU Tong LEI Yang DAI Yu-hua HE Wen LIANG Chun WANG Xi-feng 2016Journal of Integrative Agriculture2016,15,11:1
17Cellular Fatty Acids as Chemical Markers for Differentiation of Acinetobacter baumannii and Acinetobacter calcoaceticus显示文摘Objective Gas chromatography (GC) was used to investigate the cellular fatty acid (CFA) composition of 141 Acinetobacter baumannii and 32 A. calcoaceticus isolates from different locations in China and to find chemical markers to differentiate these two closely related bacteria. Methods Whole cell fatty acid methyl esters (FAMEs) were obtained by saponification, methylation, and extraction for GC analysis, followed by a standardized Microbial Identification System (MIS) analysis. Results All A. baumannii and A. calcoaceticus strains contained some major fatty acids, namely, 18:1 ω9c, 16:0, Sum In Feature 3, 12:0, 17:1ω8c, 3-OH-12:0, 17:0, Sum In Feature 2, 2-OH-12:0, and 18:0 compounds. Although most of the total CFAs are similar between A. baumannii and A. calcoaceticus strains, the ratios of two pairs of CFAs, i.e., Sum In Feature 3/18:1 ω9c versus 16:0/18:1 ω9c and Sum In Feature 3/18:1 ω9c versus unknown 12.484/18:1 ω9c fatty acids, could differentiate these two closely related bacteria. A. baumannii could be easily classified into two subgroups by plotting some ratios such as Sum In Feature 3/16:0 versus 17:0 and Sum In Feature 3/2-OH-12:0 versus17:0 fatty acids. Conclusion The ratios of some CFAs could be used as chemical markers to distinguish A. baumannii from A. calcoaceticus.YANG Chao GUO Zhao Biao DU Zong Min YANG Hui Ying BI Yu Jing WANG Gui Qin TAN Ya Fang 2012Biomedical and Environmental Sciences2012,25,6:1
18Novel dental implant modifications with two-staged double benefits for preventing infection and promoting osseointegration in vivo and in vitro显示文摘Peri-implantitis are a major problem causing implant failure these days.Accordingly,anti-infection during the early stage and subsequent promotion of osseointegration are two main key factors to solve this issue.Micro-arc oxidation(MAO)treatment is a way to form an oxidation film on the surface of metallic materials.The method shows good osteogenic properties but weak antibacterial effect.Therefore,we developed combined strategies to combat severe peri-implantitis,which included the use of a novel compound,PD,comprising dendrimers poly(amidoamine)(PAMAM)loading dimethylaminododecyl methacrylate(DMADDM)as well as MAO treatment.Here,we explored the chemical properties of the novel compound PD,and proved that this compound was successfully synthesized,with the loading efficiency and encapsulation efficiency of 23.91%and 31.42%,respectively.We further report the two-stage double benefits capability of PD+MAO:(1)in the first stage,PD+MAO could decrease the adherence and development of biofilms by releasing DMADDM in the highly infected first stage after implant surgery both in vitro and in vivo;(2)in the second stage,PD+MAO indicated mighty anti-infection and osteoconductive characteristics in a rat model of peri-implantitis in vivo.This study first reports the two-staged,double benefits of PD+MAO,and demonstrates its potential in clinical applications for inhibiting peri-implantitis,especially in patients with severe infection risk.Xiaoyu Huang Yang Ge Bina Yang Qi Han Wen Zhou Jingou Liang Mingyun Li Xian Peng Biao Ren Bangcheng Yang Michael D.Weir Qiang Guo Haohao Wang Xinxuan Zhou Xugang Lu Thomas W.Oates Hockin H.K.Xu Dongmei Deng Xuedong Zhou Lei Cheng 2021Bioactive Materials2021,6,12:1
19Dynamic human retinal pigment epithelium(RPE)and choroid architecture based on single-cell transcriptomic landscape analysis显示文摘The retinal pigment epithelium(RPE)and choroid are located behind the human retina and have multiple functions in the human visual system.Knowledge of the RPE and choroid cells and their gene expression profiles are fundamental for understanding retinal disease mechanisms and therapeutic strategies.Here,we sequenced the RNA of about 0.3 million single cells from human RPE and choroids across two regions and seven ages,revealing regional and age differences within the human RPE and choroid.Cell–cell interactions highlight the broad connectivity networks between the RPE and different choroid cell types.Moreover,the transcription factors and their target genes change during aging.The coding of somatic variations increases during aging in the human RPE and choroid at the single-cell level.Moreover,we identified ELN as a candidate for improving RPE degeneration and choroidal structure during aging.The mapping of the molecular architecture of the human RPE and choroid improves our understanding of the human vision support system and offers potential insights into the intervention targets for retinal diseases.Lulin Huang Lin Ye Runze Li Shanshan Zhang Chao Qu Shujin Li Jie Li Mu Yang Biao Wu Ran Chen Guo Huang Bo Gong Zheng Li Hongjie Yang Man Yu Yi Shi Changguan Wang Wei Chen Zhenglin Yang 2023Genes & Diseases2023,10,6:0
20First high-frequency pulse tube cryocooler down to 2.5 K and its promising application in China’s deep space exploration显示文摘From the Moon,Mars,to the central body of the solar system,the Sun,and even exoplanets,deep space exploration[1]has promoted research on the formation and evolution of the solar system and the universe,especially,in terms of tracing life’s origins.The inherent characteristic of high energy flux density determines that space detectors cannot fully dissipate heat through radiative cooling under the cosmic microwave background radiation temperature of 2.7 K.YANG Biao GAO ZhaoZhao CHEN LiuBiao LIU SiXue ZHOU Qiang GUO Jia CUI Chen ZHU WenXiu JIN Hai ZHOU Yuan WANG JunJie 2023Science China(Technological Sciences)2023,66,8:0
返回顶部 每页显示:
共2页 首页 上一页 第1页 下一页 末页 /2 跳转

网站首页 | 关于我们 | 联系我们 | 产品服务 | 客服中心 | 广告服务 | 版权声明 | 网站联盟 | 友情链接 | 售卡网点

版权所有© 渝B2-20050021-1 渝公网安备 50019002500403号 违法和不良信息举报中心

互联网出版许可证 新出网证(渝)字10号 全国400电话 - 免长途话费