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| 1 | Interfacial Microstructure and Properties of a Vacuum Hot Roll-bonded Titanium-Stainless Steel Clad Plate with a Niobium Interlayer显示文摘Vacuum hot roll bonding(VHRB)was used to bond pure titanium(Ti)plate to a 304 stainless steel(SS)plate with a niobium(Nb)interlayer,with the aim of producing a high-quality Ti-SS clad plate.The roll-bonding process was performed at diferent temperatures in the range of 850–1000 C,followed by characterization of microstructure and mechanical properties.The study demonstrates that the interfaces are free from cracks and discontinuities,and interdifusion between the stainless steel and the titanium is efectively prevented by inserting a layer of pure Nb foil.No intermetallic reaction layer occurred at the Nb-Ti interface at any of the investigated temperatures.An intermetallic FeNb phase was formed at the Nb-SS interface when bonding was performed at 950 C and above.The presence of the FeNb layer was confirmed by x-ray difraction.The maximum shear strength of^396 MPa was obtained when bonding is carried out at 900 C.However,the formation of the FeNb layer at roll bonding temperature greater than 900 C led to decrease in shear strength.Ductile fracture occurred through the Ti-Nb interface for roll-bonded temperatures of up to 900 C.On the other hand,at temperature of 950 C and above,failure occurred through the Nb-SS interface,with brittle fracture characteristics. | Zongan LUO Guanglei WANG Guangming XIE Lipeng WANG Kun ZHAO | 2013 | Acta Metallurgica Sinica(English Letters)2013,26,6: | 18 |
| 2 | Effects of infusion of different fluids during controlled hypotension on gastric intramucosal pH and postoperative gastroenterological function显示文摘The present study was aimed to investigate the effects of infusion of different fluids combined with control-led hypotension on gastric intramucosal pH (pHi) and postoperative gastrointestinal function in patients undergo-ing hepatocarcinoma surgery. Forty-five patients (ASAⅡ) scheduled for surgical resection of hepatocarcinoma undergoing controlled hypotension were randomly assigned to three groups and received infusion of 20 mL/kg Ringer's solution (R group), 6% HAES(H group) or 6% Voluven group (W group). Intragastric PgCO2, pHi, he-matocrit and hemoglobin were measured. The significant decrease of pHi and increase of PgCO2 were produced at 1 and 2 h after controlled hypotension in the R group (P < 0.05 or P < 0.01). The time of bowel movement af-ter operation was shorter in the W group than the R group. Meanwhile, we also did not find obvious difference in blood gas indexes among the three groups. The infusion of HAES and Voluven during controlled hypotension could improve gastrointestinal perfusion and accelerate the recovery of postoperative gastrointestinal function. | Guanglei Wang Su Liu Gongjian Liu | 2011 | The Journal of Biomedical Research2011,25,3: | 8 |
| 3 | Highly efficient and precise base editing in discarded human tripronuclear embryos显示文摘 | Guanglei Li Yajing Liu Yanting Zeng Jianan Li Lijie Wang Guang Yang Dunjin Chen Xiaoyun Shang Jia Chen Xingxu Huang Jianqiao Liu | 2017 | Protein & Cell2017,8,10: | 8 |
| 4 | Factors that contribute to poor adherence to statin therapy in coronary heart disease patients from Chongqing and measures to improve their therapeutic outcomes显示文摘To assess the efficacy and short-term outcomes of adherence to statin therapy among coronary heart disease(CHD)patients following their hospital discharge,we enrolled 615 CHD patients who were prescribed statins from The First Affiliated Hospital of Chongqing Medical University in China between February 1st and October 31st of 2013.Statin adherence was evaluated by identifying the proportion of patients who remained adherent or became non-adherent to statin therapy over 4e8 months post-discharge from the hospital.The composite outcomes included all-cause mortality and re-hospitalization with cardiovascular disease.We found that 15.9%patients were non-adherent to their statin therapies and that coronary artery stenosis<75%(OR Z 3.433,95%CI:2.191e5.380,p<0.001)and adverse effects(OR Z 2.542,95%CI:1.327e4.869,p Z 0.005)both clearly contributed to poor adherence.The primary self-reported reasons for non-adherence included a lack of knowledge about the benefits of statin therapy(36.7%),the treatment being halted at the advice of their doctor(19.4%),and the difficulty in obtaining statins(12.2%).Non-adherence to statin therapy was significantly associated with an increased risk of cardiovascular events(OR Z 1.741,95%CI:1.035e2.929,p Z 0.037).In conclusion,CHD patients with moderate stenosis or adverse effects tended to have poor statin adherence,and this was significantly associated with increased cardiovascular events.We should strengthen education of the importance of statin therapy for both patients and doctors and facilitate the ability of patients to obtain their statin medication. | Guiquan Yu Yingjiao Zhang Ying Wang Guanglei Chang Hongmei Tao Dongying Zhang | 2018 | Genes & Diseases2018,5,4: | 8 |
| 5 | Gene editing and its applications in biomedicine显示文摘The steady progress in genome editing, especially genome editing based on the use of clustered regularly interspaced short palindromic repeats(CRISPR) and programmable nucleases to make precise modifications to genetic material, has provided enormous opportunities to advance biomedical research and promote human health. The application of these technologies in basic biomedical research has yielded significant advances in identifying and studying key molecular targets relevant to human diseases and their treatment. The clinical translation of genome editing techniques offers unprecedented biomedical engineering capabilities in the diagnosis, prevention, and treatment of disease or disability. Here, we provide a general summary of emerging biomedical applications of genome editing, including open challenges. We also summarize the tools of genome editing and the insights derived from their applications, hoping to accelerate new discoveries and therapies in biomedicine. | Guanglei Li Xiangyang Li Songkuan Zhuang Liren Wang Yifan Zhu Yangcan Chen Wen Sun Zeguang Wu Zhuo Zhou Jia Chen Xingxu Huang Jin Wang Dali Li Wei Li Haoyi Wang Wensheng Wei | 2022 | Science China(Life Sciences)2022,65,4: | 8 |
| 6 | Differential effects of controlled hypotension on gastric intramucosal pH and post-operational gastrointestinal functional under two different anesthesia methods显示文摘Objective:To observe the effects of controlled hypotension on gastric intramucosal pH and post-operational gastrointestinal functions using two specific anesthesia methods.Methods:Thirty patients(ASAⅡ)scheduled for ectomy of hepatocarcinoma,were randomly assigned to two groups:epidural block combined with intravenous anesthesia group(E group)and inhalation anesthesia group(G group).Gastric PgCO2 and pHi were monitored at different time points,before theintravenous induction of controlled hypotension,after 1 h and2 h,and 1 h after the termination of controlled hypotension.In the meanwhile,the artery blood gas was analyzed.Results:There was no significant difference in blood gas indexes between E group and G group.However,pHi decreased significantly after 1 h and 2 h of controlled hypotension(P <0.05),and during the same periods PgCO2 increased significantly(P <0.05 or P <0.01),the time of bowelm ovement and defecating deferred significantly shorter in G group patients,when compared with E group patients.Conclusion:Epidural block in combination with general anesthesia can improve gastrointestinal blood flow during controlled hypotension and facilitates post-operational recovery of gastrointestinal functions. | Guanglei Wang Junli Cao Gongjian Liu | 2008 | Journal of Nanjing Medical University2008,22,1: | 7 |
| 7 | Flame-retardant concentrated electrolyte enabling a Li F-rich solid electrolyte interface to improve cycle performance of wide-temperature lithium–sulfur batteries显示文摘Lithium–sulfur batteries have been regarded as the most promising high-energy electrochemical energy storage device owing to the high energy density, low cost and environmental friendliness. However, traditional lithium–sulfur batteries using ether-based electrolytes often suffer from severe safety risks(i.e. combustion). Herein, we demonstrated a novel kind of flame-retardant concentrated electrolyte(6.5 M lithium bis(trifluoromethylsulphonyl)imide/fluoroethylene carbonate) for highly-safe and widetemperature lithium–sulfur batteries. It was found that such concentrated electrolyte showed superior flame retardancy, high lithium-ion transference number(0.69) and steady lithium plating/stripping behavior(2.5 m Ah cm^(-2) over 3000 h). Moreover, lithium–sulfur batteries using this flame-retardant concentrated electrolyte delivered outstanding cycle performance in a wide range of temperatures(-10 °C, 25 °C and 90 °C). This superior battery performance is mainly attributed to the LiF-rich solid electrolyte interphase formed on lithium metal anode, which can effectively suppress the continuous growth of lithium dendrites. Above-mentioned fascinating characteristics would endow this flame-retardant concentrated electrolyte a very promising candidate for highly-safe and wide-temperature lithium–sulfur batteries. | Zhe Yu Jianjun Zhang Chao Wang Rongxiang Hu Xiaofan Du Ben Tang Hongtao Qu Han Wu Xin Liu Xinhong Zhou Xiaoyan Yang Guanglei Cui | 2020 | Journal of Energy Chemistry2020,29,12: | 7 |
| 8 | Construction of 1D Heterostructure NiCo@C/ZnO Nanorod with Enhanced Microwave Absorption显示文摘Layered double hydroxides(LDHs)have a special structure and atom composition,which are expected to be an excellent electromagnetic wave(EMW)absorber.However,it is still a problem that obtaining excellent EMWabsorbing materials from LDHs.Herein,we designed heterostructure NiCo-LDHs@ZnO nanorod and then subsequent heat treating to derive NiCo@C/ZnO composites.Finally,with the synergy of excellent dielectric loss and magnetic loss,an outstanding absorption performance could be achieved with the reflection loss of−60.97 dB at the matching thickness of 2.3 mm,and the widest absorption bandwidth of 6.08 GHz was realized at 2.0 mm.Moreover,this research work provides a reference for the development and utilization of LDHs materials in the field of microwave absorption materials and can also provide ideas for the design of layered structural absorbers. | Jianwei Wang Zirui Jia Xuehua Liu Jinlei Dou Binghui Xu Bingbing Wang Guanglei Wu | 2021 | Nano-Micro Letters2021,13,11: | 7 |
| 9 | A phase inversion based sponge-like polysulfonamide/SiO_2 composite separator for high performance lithium-ion batteries显示文摘In this work,a sponge-like polysulfonamide(PSA)/SiO_2 composite membrane is unprecedentedly prepared by the phase inversion method,and successfully demonstrated as a novel separator of lithium-ion batteries(LIBs).Compared to the commercial polypropylene(PP) separator,the sponge-like PSA/SiO_2 composite possesses better physical and electrochemical properties,such as higher porosity,ionic conductivity,thermal stability and flame retarding ability.The LiCoO_2/Li half-cells using the sponge-like composite separator demonstrate superior rate capability and cyclability over those using the commercial PP separator.Moreover,the sponge-like composite separator can ensure the normal operation of LiCoO_2/Li half-cell at an extremely high temperature of 90 °C,while the commercial PP separator cannot.All these encouraging results suggest that this phase inversion based sponge-like PSA/SiO_2 composite separator is really a promising separator for high performance LIBs. | Xiao Wang Gaojie Xu Qingfu Wang Chenglong Lu Chengzhong Zong Jianjun Zhang Liping Yue Guanglei Cui | 2018 | Chinese Journal of Chemical Engineering2018,26,6: | 6 |
| 10 | Controllable synthesis of Ni/NiO@porous carbon hybrid composites towards remarkable electromagnetic wave absorption and wide absorption bandwidth显示文摘The reasonable design of the composition of the composite materials is of great significance to optimized the electromagnetic(EM)wave absorption performance.Herein,the Ni/NiO@C hybrid composites with tunable Ni proportion were successfully synthesized through a two-step process.With the assistance of X-ray diffraction with refinement treatment,the specific proportion of Ni of as-obtained hybrid composites could be obtained.Employing controlling calcination time to adjust the Ni content of Ni/NiO@C hybrid composites,it has been found that the composite carbonized at 500℃exhibited remarkable EM wave absorption with the minimum reflection loss(RLmin)of-49.1 dB at 4.9 mm and the widest effective absorption bandwidth(EABmax)of 4.56 GHz at 2.1 mm.Moreover,by adjusting the Ni source,the optimal EM wave absorption performance could be achieved.Results illustrated that the N3PC with the Ni proportion of 13.17%showed the RLm inas low as-51.1 dB at 2.4 mm and the EABmax was 5.12 GHz at 2.7 mm.It is worth noting that this work demonstrates the relevance of the composition and EM wave absorption performance of hybrid composites,which offers a feasible reference for the absorption mechanism of absorber. | Xinfeng Zhou Zirui Jia Xingxue Zhang Bingbing Wang Wei Wu Xuehua Liu Binghui Xu Guanglei Wu | 2021 | Journal of Materials Science & Technology2021,,28: | 5 |
| 11 | Enhancing prime editing by Csy4-mediated processing of pegRNA显示文摘Dear Editor,The most advanced prime editor 3(PE3)system comprises the editor,a fusion protein of Cas9 H840A nickase and mutant reverse transcriptase(RTase)(hereafter termed NMRT),a prime editing guide RNA(pegRNA)and an alternative single-guide RNA(sgRNA).1 The pegRNA contains a primer binding site(PBS)and a reverse transcription(RT)template for introducing new genetic information1(Fig.1a;Supplementary information,Fig.S1a).We noted that the PBS,which is generally 10–16 nt at the 3′end of pegRNA,is complementary to part of the spacer at the 5′end of pegRNA,and their annealing is expected to cause pegRNA circularization,which can potentially hamper editing(Fig.1a;Supplementary information,Fig.S1b,c). | Yao Liu Guang Yang Shuhong Huang Xiangyang Li Xin Wang Guanglei Li Tian Chi Yulin Chen Xingxu Huang Xiaolong Wang | 2021 | Cell Research2021,31,10: | 5 |
| 12 | Vegetation Dynamics and Its Relationship with Climatic Factors in the Changbai Mountain Natural Reserve显示文摘This study examined the temporal variation of the Normalized Difference Vegetation Index (NDVI) and its relationship with climatic factors in the Changbai Mountain Natural Reserve (CMNR) during 2000-2009.The results showed as follows.The average NDVI values increased at a rate of 0.0024 year-1.The increase rate differed with vegetation types,such as 0.0034 year-1 for forest and 0.0017 year-1 for tundra.Trend analyses revealed a consistent NDVI increase at the start and end of the growing season but little variation or decrease observed in July during the study period.The NDVI in CMNR showed a stronger correlation with temperature than with precipitation,especially in spring and autumn.A stronger correlation was observed between NDVI and temperature in the tundra zone (2,000-2,600m) than in the coniferous forest (1,100-1,700m) and Korean pine-broadleaved mixed forest (700-1,100m) zones.The results indicate that vegetation at higher elevations is more sensitive to temperature change.NDVI variation had a strong correlation with temperature change (r=0.7311,p<0.01) but less significant correlation with precipitation change.The result indicates that temperature can serve as a main indicator of vegetation sensitivity in the CMNR. | H0U Guanglei ZHANG Hongyan WANG Yeqiao | 2011 | Journal of Mountain Science2011,8,6: | 5 |
| 13 | Polyaniline-coated selenium/carbon composites encapsulated in graphene as efficient cathodes for Li-Se batteries显示文摘 | Biwu Wang Jingjing Zhang Zhigang Xia Meiqiang Fan Chunju Lv Guanglei Tian Xiaona Li | 2018 | Nano Research2018,11,5: | 5 |
| 14 | Effects of folic acid on in vitro astrocytic differentiation of neural stem cells from neonatal rats显示文摘BACKGROUND:Folic acid is essential for normal functioning of the nervous system.Previous studies have focused on the effects of folic acid on astrocyte proliferation. OBJECTIVE:To explore the effects of folic acid on astrocyte differentiation of neural stem cells (NSCs) and the related mechanisms in vitro. DESIGN,TIME AND SETTING:A randomized,controlled,grouping experiment was performed in Tianjin Medical University between August 2007 and October 2008. MATERIALS:Folic acid and 5-bromo-2-deoxyuridine(BrdU) were obtained from Sigma,MO,USA. Primary antibodies[rabbit anti-rat nestin,β-tubulin-Ⅲ,glial fibrillary acidic protein,and neurogenin1 (Ngn1);mouse anti-rat BrdU andβ-actin monoclonal antibodies]were purchased from Santa Cruz Biotechnology,USA. METHODS:At 6 days of NSC proliferation from 24-hour-old neonatal rats,BrdU incorporation assay was performed.Seven days after primary culture,NSCs were induced to differentiate with medium containing 5%fetal bovine serum.Cultured NSCs were assigned to three groups:control,low-dose (liquid media with 8 mg/L folic acid),and high-dose folic acid(liquid media with 44 mg/L folic acid). MAIN OUTCOME MEASURES:At day 7 after primary culture,the cells were identified as NSCs by immunocytochemical methods.Double-label immunofluorescence technique for glial fibrillary acidic protein/BrdU detected differentiated cells 7 days after induction.Western blot was used to analyze expression of Ngn1 protein in NSCs. RESULTS:In serum-free suspension medium,neurospheres comprised a large number of Nestin-, glial fibrillary acidic protein-,β-tubulin-Ⅲ-,and BrdU-positive cells.Compared with the control group, high-dose folic acid supplementation led to an marked increase in the percentage of glial fibrillary acidic protein/BrdU-positive cells(P<0.05),and significantly decreased Ngn1 protein expression (P<0.05). CONCLUSION:Folic acid promotes astrocytic differentiation of NSCs,which might be related to downregulation of Ngn1 protein expression. | Xumei Zhang Guowei Huang Zhihong Tian Guanglei Wang Dalin Ren | 2009 | Neural Regeneration Research2009,4,8: | 4 |
| 15 | Metal-organic framework-derived CoSn/NC nanocubes as absorbers for electromagnetic wave attenuation显示文摘Metal-organic framework-derived composites have been widely used in electromagnetic wave(EMW)absorption,but the traditional synthetic strategy greatly limits the structure and species of MOFs.This research provided a solvent-free method to synthesize Co-MOF and its derivatives.Using CoSnO_(3)as the precursor,the preparation of Co-MOF is achieved by bridging the cobalt(II)ion of CoSnO_(3)and the 2-methylimidazole skeleton.The CoSn/N-doped carbon(CoSn/NC)composites derived from CoSnO_(3)-MOF(Co-MOF with CoSnO_(3)as Co source)retain the original morphology of CoSnO_(3).Besides,the polarization effect produced by the N-doped carbon layers also benefits the excellent EMW absorption performance of the CoSn/NC composites.It is reflected in the minimum reflection loss(RL)of-48.2 dB at 2.2 mm and the effective bandwidth(EBA)of 5.84 GHz.This work provides a new channel to the construction of Co-MOFs,which could be extended to other Co-based oxides and vastly expand the species of MOFs based on metallic Co. | Chenxi Wang Zirui Jia Shuangqiao He Jixi Zhou Shuo Zhang Mengli Tian Bingbing Wang Guanglei Wu | 2022 | Journal of Materials Science & Technology2022,,13: | 4 |
| 16 | Dynamic analysis of heat extraction rate by supercritical carbon dioxide in fractured rock mass based on a thermal-hydraulic-mechanics coupled model显示文摘Heat production from geothermal reservoirs is a typical heat transfer process involving a cold working fluid contacting a hot rock formation.Compared to the thermal-physical characteristics of water,supercritical CO_(2)(scCO_(2))has a higher heat storage capacity over a wide temperature-pressure range and may be favored as a heat transfer fluid.Singularly characteristic of scCO_(2)-based heat extraction is that the hydraulic-thermal properties of the scCO_(2) vary dramatically and dynamically with the spatial pressure gradient during unsteady-state flow along fracture.This highly nonlinear behavior presents a challenge in the accurate estimation of heat extraction efficiency in scCO_(2)-based EGS.In this paper,a thermal-h ydraulic-mechanical(THM)coupled model is developed by considering deformation of the fractured reservoir,non-Darcy flow and the varying thermal-physical properties of scCO_(2).The proposed model is validated by matching the modeling temperature distribution with published data.The results show that during continuous injection of scCO_(2),the fracture first widens and then narrows,ultimately reopening over the long term.The sequential fracture deformation behaviors are in response to the combined impacts of mechanical compression and thermally-induced deformation.By controlling the injection parameters of the scCO_(2),it is found that the heat extraction rate is positively correlated to its pore pressure or mass flow rate.The heat extraction rate can be significantly enhanced,when the inlet temperature of scCO_(2) is below its critical temperature.As a result,the heat increment recovered per unit mass of scCO_(2) decreases as the hot rock is gradually cooled.Meanwhile,the heat increment recovered per unit mass of scCO_(2) decreases by increasing the inlet temperature of scCO_(2) or its mass flow rate,but increases as the outlet pressure rises.Furthermore,multi-linear regression indicates that controlling the inlet temperature of the scCO_(2) can significantly improve the thermodynamic efficiency of heat extraction. | Chunguang Wang Xingkai Shi Wei Zhang Derek Elsworth Guanglei Cui Shuqing Liu Hongxu Wang Weiqiang Song Songtao Hu Peng Zheng | 2022 | International Journal of Mining Science and Technology2022,32,2: | 3 |
| 17 | Multicomponent Nanoparticles Synergistic One-Dimensional Nanofibers as Heterostructure Absorbers for Tunable and Efficient Microwave Absorption显示文摘Application of novel radio technologies and equip-ment inevitably leads to electromagnetic pollution.One-dimensional polymer-based composite membrane structures have been shown to be an effective strategy to obtain high-performance microwave absorbers.Herein,we reported a one-dimensional N-doped carbon nanofibers material which encapsulated the hollow Co_(3)SnC_(0.7) nano-cubes in the fiber lumen by electrospinning.Space charge stacking formed between nanoparticles can be channeled by longitudinal fibrous structures.The dielectric constant of the fibers is highly related to the carbonization temperature,and the great impedance matching can be achieved by synergetic effect between Co_(3)SnC_(0.7) and carbon network.At 800℃,the necklace-like Co_(3)SnC_(0.7)/CNF with 5%low load achieves an excellent RL value of−51.2 dB at 2.3 mm and the effective absorption bandwidth of 7.44 GHz with matching thickness of 2.5 mm.The multiple electromagnetic wave(EMW)reflections and interfacial polarization between the fibers and the fibers internal contribute a major effect to attenuating the EMW.These strategies for regulating electromagnetic performance can be expanded to other electromagnetic functional materials which facilitate the development of emerging absorbers. | Chenxi Wang Yue Liu Zirui Jia Wanru Zhao Guanglei Wu | 2023 | Nano-Micro Letters2023,15,1: | 3 |
| 18 | Efficient base editing in G/C-rich regions to model androgen insensitivity syndrome显示文摘Dear Editor, Most disease-associated genomic mutations are base substitutions and approximately half of pathogenic human single nucleotide polymorphisms (SNPs)are related to C-to-T substitutions in the ClinVar database.Base editors (BEs),which combine Casg-DIOA nickase and APOBEC (apolipoprotein B mRNA editing enzyme,catalytic polypeptide-like)or AID (activation-induced deaminase)cytidine deaminase family members, have been successfully applied to mediate C-to-T conversion in vitro and in vivo, providing a powerful tool to model or repair diseaserelated human SNPs. | Jianan Li Zhen Liu Shisheng Huang Xiao Wang Guanglei Li Yuting Xu Wenxia Yu Shanshan Chen Yu Zhang Hanhui Ma Zunfu Ke Jia Chen Qiang Sun Xingxu Huang | 2019 | Cell Research2019,29,2: | 3 |
| 19 | Generation and characterization of stable pig pregastrulation epiblast stem cell lines显示文摘Pig epiblast-derived pluripotent stem cells are considered to have great potential and broad prospects for human therapeutic model developme nt and livestock breeding.Despite on going attempts since the 1990s,no stably defined pig epiblast-derived stem cell line has bee n established.Here,guided by in sights from a large-scale sin gle-cell tran scriptome an alysis of pig embryos from embryonic day(E)0 to E14,specifically,the tracing of pluripotency changes during epiblast development,we developed an in vitro culture medium for establishing and maintaining stable pluripotent stem cell lines from pig E10 pregastrulation epiblasts(pgEpiSCs).Enabled by chemical inhibition of WNT-related signaling in combination with growth factors in the FGF/ERK,JAK/STAT3,and Activin/Nodal pathways,pgEpiSCs maintain their pluripotency transcriptome features,similar to those of E10 epiblast cells,and normal karyotypes after more than 240 passages and have the potential to differentiate into three germ layers.Strikingly,ultradeep in situ Hi-C analysis revealed functional impacts of chromatin 3D-spatial associations on the transcriptional regulation of pluripote ncy marker genes in pgEpiSCs.I n practice,we con firmed that pgEpiSCs readily tolerate at least three rounds of successive gene editi ng and gene rated cloned gen e-edited live piglets.Our findings deliver on the long-a nticipated promise of pig pluripote nt stem cells and open new avenues for biological research,animal husbandry,and regenerative biomedicine. | Minglei Zhi Jinying Zhang Qianzi Tang Dawei Yu Shuai Gao Dengfeng Gao Pengliang Liu Jianxiong Guo Tang Hai Jie Gao Suying Cao Zimo Zhao Chongyang Li Xiaogang Weng Mengnan He Tianzhi Chen Yingjie Wang Keren Long Deling Jiao Guanglei Li Jiaman Zhang Yan Liu Yu Lin Daxin Pang Qianqian Zhu Naixin Chen Jingjing Huang Xinze Chen Yixuan Yao Jingcang Yang Zicong Xie Xianya Huang Mengxin Liu Ran Zhang Qiuyan Li Yiliang Miao Jianhui Tian Xingxu Huang Hongsheng Ouyang Bofeng Liu Wei Xie Qi Zhou Zhonghua Liu Caihong Zheng Mingzhou Li Jianyong Han | 2022 | Cell Research2022,32,4: | 3 |
| 20 | Synthesis of MnxOy@C hybrid composites for optimal electromagnetic wave absorption capacity and wideband absorption显示文摘The fabrication of high-performance electromagnetic(EM)wave absorption(EMA)materials is an effective strategy to deal with ever-increasing EM pollution.In this work,a series of manganese oxides/porous carbon(Mn_(x)O_(y)@C)hybrid composites are obtained by a two-step process.It is revealed that different manganese oxides play various influence on the dielectric properties of absorbers.Owing to the moderate complex permittivity of MnO@C hybrid composites,the optimal reflection loss could reach as high as-76.0 dB at the matching thickness of 2.0 mm with 5.2 GHz of effective absorption bandwidth at thickness of 2.1 mm.We demonstrated that the addition of porous carbon is vital for enhancing EMA performance of composites,which not only coordinates impedance matching allowing more EM waves enter the absorber,but also provides the path for electron movement,thus profiting conductive loss.Besides,different heterogeneous interfaces including porous carbon,manganese oxide and so on,are conducive to contribution of interface polarization.The most noteworthy is ingenious design of composite materials and systematic research of EM energy attenuation mechanism in this work will provide the possibility to realize high-performance EMA. | Yue Liu Xuehua Liu Xinyu E Bingbing Wang Zirui Jia Qingguo Chi Guanglei Wu | 2022 | Journal of Materials Science & Technology2022,,8: | 3 |