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Free radicals trigger the closure of open pores in lignin-derived hard carbons toward improved sodium-storage capacity

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Journal of Energy Chemistry 2024年第7期94卷 551-559页

作者： Wen-Jun Ji Zong-Lin Yi Ming-Xin Song Xiao-Qian Guo Yi-Lin Wang Yi-Xuan Mao Fang-Yuan Su Jing-Peng Chen Xian-Xian Wei Li-Jing Xie Cheng-Meng Chen CAS Key Laboratory of Carbon Materials Institute of Coal ChemistryChinese Academy of SciencesTaiyuan 030001ShanxiChina University of Chinese academy of sciences Beijing 100049China Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of SciencesBeijing 100049China School of Environment and Safety Taiyuan University of Science and TechnologyTaiyuan 030001ShanxiChina

The chemical activation of various precursors is effective for creating additional closed pores in hard carbons for sodium ***,the formation mechanism of closed pores under the influence of pore-forming agents is not well ***,an effective chemical activation followed by a high-temperature self-healing strategy is employed to generate interconnected closed pores in lignin-derived hard carbon(HCs).By systematic experimental design combined with electron paramagnetic res-onance spectroscopy,it can be found that the content of free radicals in the carbon matrix influences the closure of open pores at high *** high activation temperature(>700 C)leads to a low free radical concentration,making it difficult to achieve self-healing of open pores at high *** activation at 700°C,a balance between pore making and self-healing is achieved in the final hard carbon.A large number of free radicals triggers rapid growth and aggregation of carbon microcrys-tals,blocking pre-formed open micropores and creating additional interconnected closed pores in as-obtained hard *** a result,the optimized carbon anode(LK-700-1300)delivers a high reversible capacity of 330.8 mA h g^(-1) at 0.03 A g^(-1),which is an increase of 86 mA h g^(-1) compared to the pristine lignin-derived carbon anode(L-700-1300),and exhibits a good rate performance(202.1 mA h g^(-1) at 1 A g^(-1)).This work provides a universal and effective guidance for tuning closed pores of hard carbons from otherprecursors.

关键词： Hard carbon Chemical activation Free radical Self-healing Closed pores Sodium ion batteries

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Investigation of the quality of life,mental status in patients with gynecological cancer and its influencing factors

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World Journal of Psychiatry 2024年第7期14卷 1053-1061页

作者： Hai-Xia Shang Wen-Ting Ning Jin-Fen Sun Nan Guo Xin Guo Jan-Nan Zhang Hong-Xin Yu Su-Hui Wu Department of Gynaecology and Obstetrics The Third Hospital of Shanxi Medical UniversityShanxi Bethune HospitalShanxi Academy of Medical SciencesTongji Shanxi HospitalTaiyuan 030032Shanxi ProvinceChina

BACKGROUND Having a gynecological tumor or undergoing treatment can be a traumatic experience for women,as it affects their self-image and sexual relationships and can lead to psychological *** adjustment following cancer occurrence remains a key issue among the *** To examine the current status of quality of life(QoL),anxiety,and depression in patients with gynecological cancer and to analyze the factors associated with *** Data for 160 patients with gynecological malignancies treated at shanxi Bethune Hospital from June 2020 to June 2023 were collected and analyzed ***’QoL was assessed using the European Organization for Research on Treatment of Cancer Quality of Life Questionnaire Core 30 and the Functional Assessment of Cancer Therapy-General *** emotional status was evaluated using the Self-Rating Anxiety/Depression *** associated factors of anxiety and depression were *** The overall QoL score of the patients 6 months after surgery was 76.39±3.63 *** included low levels of social and emotional function and severe fatigue and *** scores for physiological,functional,emotional,social,and family well-being exhibited an upward trend following surgery compared with those before *** month after surgery,some patients experienced anxiety and depression,with an incidence of 18.75%and 18.13%,*** analysis revealed that good sleep was a protective factor against anxiety and depression in patients with gynecological tumors,whereas physical pain was a risk *** Patients with gynecological malignancies often experience anxiety and *** analyzing the factors that affect patients’QoL,effective nursing measures can be administered.

关键词： Gynecological Tumors Quality of life Anxiety Depression

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NUDT5 promotes the growth,metastasis,and Warburg effect of IDH wild-type glioblastoma multiforme cells by upregulating TRIM47

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Asian Pacific Journal of Tropical Biomedicine 2024年第2期14卷 82-92页

作者： Zi-Fa Zhang Shu-Ming Liu Neurosurgery Department Shanxi Bethune HospitalTaiyuanShanxi Province030022China shanxi academy of Medical sciences TaiyuanShanxi province030022China Emergency Department Taiyuan People’s HospitalTaiyuanShanxi Province030021China

Objective:To explore the regulatory mechanism of NUDT5 in glioblastoma multiforme(GBM).Methods:GEPIA database was used to predict the expressions of NUDT5 and tripartite motif family proteins 47(TRIM47)in GBM ***-qPCR and Western blot analyses were performed to examine NUDT5 expression in GBM ***-229 cell proliferation,migration as well as invasion were estimated by CCK-8,colony formation,wound healing,and Transwell assays following interference with *** assay,L-lactic acid kit,glucose detection kit,and ATP detection kit were applied for the detection of glycolysis-related ***-immunoprecipitation experiment was carried out to verify the relationship between NUDT5 and ***:GEPIA database showed that NUDT5 expression was significantly increased in GBM *** the expression of NUDT5 in GBM cells significantly suppressed the viability,proliferation,invasion,migration,and glycolysis of GBM ***,TRIM47 was highly expressed in GBM cells and interacted with *** of TRIM47 partially reversed the inhibitory effect of NUDT5 downregulation on the proliferation,metastasis,and glycolysis of GBM ***:NUDT5 promotes the growth,metastasis,and Warburg effect of GBM cells by upregulating *** NUDT5 and TRIM47 can be used as targets for GMB treatment.

关键词： Glioblastoma multiforme NUDT5 TRIM47 Growth Metastasis Warburg effect

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Clinical study of neutrophil-to-lymphocyte ratio and platelet-tolymphocyte ratio in hypertriglyceridemia-induced acute pancreatitis and acute biliary pancreatitis with persistent organ failure

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World Journal of Gastrointestinal Surgery 2024年第6期16卷 1647-1659页

作者： Mu-Sen Xu Jia-Le Xu Xin Gao Shao-Jian Mo Jia-Yu Xing Jia-Hang Liu Yan-Zhang Tian Xi-Feng Fu The Third Hospital of shanxi Medical University Shanxi Bethune HospitalShanxi Academy of Medical SciencesTongji Shanxi HospitalTaiyuan 030032Shanxi ProvinceChina Department of Environmental Health School of Public HealthShanxi Medical UniversityTaiyuan 030032Shanxi ProvinceChina

BACKGROUND The neutrophil-to-lymphocyte ratio(NLR)and platelet-to-lymphocyte ratio(PLR)are novel inflammatory indicators that can be used to predict the severity and prognosis of various *** categorize acute pancreatitis by etiology into acute biliary pancreatitis(ABP)and hypertriglyceridemia-induced acute pancreatitis(HTGP).AIM To investigate the clinical significance of NLR and PLR in assessing persistent organ failure(POF)in HTGP and *** A total of 1450 patients diagnosed with acute pancreatitis(AP)for the first time at shanxi Bethune Hospital between January 2012 and January 2023 were *** patients were categorized into two groups according to the etiology of AP:ABP in 530 patients and HTGP in 241 *** collected and compared the clinical data of the patients,including NLR,PLR,and AP prognostic scoring systems,within 48 h of hospital *** The NLR(9.1 vs 6.9,P<0.001)and PLR(203.1 vs 160.5,P<0.001)were significantly higher in the ABP group than in the HTGP *** the HTGP group,both NLR and PLR were significantly increased in patients with severe AP and those with a SOFA score≥***,in the ABP group,NLR and PLR were significantly elevated in patients with severe AP,modified computed tomography severity index score≥4,Japanese Severity Score≥3,and modified Marshall score≥***,NLR and PLR showed predictive value for the development of POF in both the ABP and HTGP *** NLR and PLR vary between ABP and HTGP,are strongly associated with AP prognostic scoring systems,and have predictive potential for the occurrence of POF in both ABP and HTGP.

关键词： Acute pancreatitis Gallstone Hypertriglyceridemia Neutrophil-to-lymphocyte ratio Platelet-to-lymphocyte ratio Persistent organ failure

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Methyl functionalization of trimesic acid in copper-based metal-organic framework for ammonia colorimetric sensing at high relative humidity

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Chinese Chemical Letters 2024年第6期35卷 211-215页

作者： Yuxin Wang Zhengxuan Song Yutao Liu Yang Chen Jinping Li Libo Li Jia Yao College of Chemical Engineering and Technology Shanxi Key Laboratory of Gas Energy Efficient and Clean UtilizationTaiyuan University of TechnologyTaiyuan 030024China Department of Gastroenterology Shanxi Bethune HospitalShanxi Academy of Medical SciencesTongji Shanxi HospitalThird Hospital of Shanxi Medical UniversityTaiyuan 030024China

Exhaled ammonia(NH_(3))can be used as a crucial biomarker of kidney and liver ***,the high humidity in the detection conditions remains a challenge for accurate detection by gas ***,a copper-based metal-organic framework(CH_(3)-Cu-BTC)with methyl(CH_(3)^(-))functionalization of trimesic acid was synthesized for NH_(3) colorimetric *** CH_(3)-Cu-BTC exhibited a strong response for 5 ppm NH_(3) with high selectivity under high relative humidity(75%RH).Density functional theory(DFT)simulations indicated that the NH_(3) molecules interacted more strongly with CH_(3)-Cu-BTC than H_(2)O molecules did,and the corresponding color switching was attributed to the lone-pair electron in NH_(3) changing the coordination environment of Cu^(2+)ions,leading to an obviously visible color switching response from ruby green to *** on the tailor-made pore chemistry,the precise detection of trace amounts of NH_(3) in exhaled air was realized through functionalized MOF *** strategy used in this study not only offers a new pathway for the rapid detection of low concentration NH_(3) under humid conditions,but also shows a method for early respiration diagnosis of kidney and liver diseases.

关键词： Metal-organic framework Ammonia sensing Naked-eye color switching High humidity Respiration diagnosis

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Axial enantiomers with donor-regulated TADF feature for multicolor circularly polarized electroluminescence

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Science China Chemistry 2024年第6期67卷 2039-2045页

作者： Chen-Hao Guo Wen-Long Zhao Ke-Ke Tan Wei-Chen Guo Liheng Feng Chuan-Feng Chen Meng Li School of Chemistry and Chemical Engineering Shanxi UniversityTaiyuan030006China Beijing National Laboratory for Molecular sciences CAS Key Laboratory of Molecular Recognition and FunctionInstitute of ChemistryChinese Academy of SciencesBeijing100190China University of Chinese academy of sciences Beijing100049China

This study optimized the TADF feature of axial chiral enantiomers through precise donor engineering,and multicolor CP-TADFwas achieved in the axial chiral *** pairs of axial enantiomers with donor-regulated TADF feature,namely(R/S)-TPCBD,(R/S)-DPCBD,and(R/S)-DPACBD,were synthesized by introducing carbazole donors with different substituents onto biphenyl cyanide *** the electron-donating ability of donors increases,the emission of these axial enantiomers ranges from 455,476 to 552 nm,their singlet-triplet energy gaps(ΔE_(ST))gradually decrease from 0.30,0.22 to 0.02 e V,accompanied by an increasement in the transition rate(k_(RISC))of RISC process,and the k_(RISC)of DPACBD could reach up to 7.16×10^(5)s^(-1).These axial enantiomers also exhibit mirror-image CD and circularly polarized luminescence(CPL)***,OLEDs based on TPCBD,DPCBD,and DPACBD as emitter were then fabricated,which displayed blue,green,and orange electroluminescence with EQE_(max)of 13.0%,16.4%,and 25.0%,*** results also exhibited a phenomenon of device efficiency increasing with the enhancement of donor ***,the CP-OLEDs using(R/S)-TPCBD,(R/S)-DPCBD and(R/S)-DPACBD as emitters displayed intense CPEL signals with g_(EL)values of 3.4×10^(-3)/-4.1×10^(-3),3.2×10^(-3)/-3.1×10^(-3)and2.3×10^(-3)/-2.1×10^(-3),*** convenient molecular engineering of donor regulation in the same molecular skeleton,CP-TADF materials with multicolor CPEL and improved device performance could be conveniently achieved.

关键词： axial chirality thermally activated delayed fluorescence circularly polarized luminescence electroluminescence organic light-emitting diodes

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Comprehensive reutilization of herbal waste:Coproduction of magnolol,honokiol,and β-amyrin from Magnolia officinalis residue

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Green Energy & Environment 2024年第2期9卷 403-412页

作者： Lukun Xiao Anyi Zhao Jie Qiu An Liu Sha Chen Jinzhu Jiang Jun Zhang Cong Guo Jipeng Di Jintang Cheng Chang Chen Kangxin Hou Aiping Zhang Yan Liu Caixia Wang Institute of Chinese Materia Medica China Academy of Chinese Medical SciencesBeijing100700China School of Pharmacy Shanxi Medical UniversityTaiyuan030001China

Herbal extraction residues(HERs)cause serious environmental pollution and resource *** this study,a novel green route was designed for the comprehensive reutilization of all components in HERs,taking Magnolia officinalis residues(MOR)as an *** reluctant structure of MOR was first destroyed by alkali pretreatment to release the functional ingredients(magnolol and honokiol)originally remaining in MOR and to make MOR more accessible for hydrolysis.A metal–organic frame material MIL-101(Cr)with a maximum absorption capacity of 255.64 mg g^(-1)was synthesized to absorb the released honokiol and magnolol from the pretreated MOR solutions,and 40 g L^(-1)reducing sugars were obtained with 81.8%enzymatic hydrolysis rate at 10%MOR solid ***,382 mg L-1β-amyrin was produced from MOR hydrolysates by an engineered yeast *** total,1 kg honokiol,8 kg magnolol,and 7.64 kg β-amyrin could produce from 1 ton MOR by this cleaner process with a total economic output of 170,700 RMB.

关键词： Magnolia officinalis residues(MOR) Comprehensive utilization Metal-organic frame material Biosynthesis

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Immune-tumor interaction dictates spatially directed evolution of esophageal squamous cell carcinoma

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National Science Review 2024年第5期11卷 170-185页

作者： Yong Zhou Shanlan Mo Heyang Cui Ruifang Sun Weimin Zhang Xiaofei Zhuang Enwei Xu Hongyi Li Yikun Cheng Yongsheng Meng Meilin Liu Ting Yan Huijuan Liu Ling Zhang Bin Yang Yanfeng Xi Shubin Wang Xiaolong Cheng Shuai Cheng Li Zhihua Liu Qimin Zhan Zheng Hu Yongping Cui Cancer Institute Department of Pathology Peking University Shenzhen Hospital Shenzhen Peking University-the Hong Kong University of Science and Technology(PKU-HKUST) Medical Center Institute of Cancer ResearchShenzhen Bay Laboratory Key Laboratory of Cellular Physiology of the Ministry of Education Department of Pathology Shanxi Medical University City University of Hong Kong Shenzhen Research Institute CAS Key Laboratory of Quantitative Engineering Biology Shenzhen Institute of Synthetic BiologyShenzhen Institute of Advanced TechnologyChinese Academy of Sciences Department of Surgery Faculty of Medicine The Chinese University of Hong Kong Department of Tumor Biobank Shanxi Province Cancer HospitalShanxi Hospital Affiliated to Cancer HospitalChinese Academy of Medical SciencesCancer Hospital Affiliated to Shanxi Medical University Key Laboratory of Carcinogenesis and Translational Research(Ministry of Education/Beijing) Laboratory of Molecular Oncology Peking University Cancer Hospital & Institute Research Unit of Molecular Cancer Research Chinese Academy of Medical Sciences Department of Thoracic Surgery Shanxi Province Cancer HospitalShanxi Hospital Affiliated to Cancer HospitalChinese Academy of Medical SciencesCancer Hospital Affiliated to Shanxi Medical University Department of Pathology Shanxi Province Cancer HospitalShanxi Hospital Affiliated to Cancer HospitalChinese Academy of Medical SciencesCancer Hospital Affiliated to Shanxi Medical University College of Letters & Science University of California Berkeley State Key Laboratory of Molecular Oncology National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital Chinese Academy of Medical Sciences and Peking Union Medical College

Esophageal squamous cell carcinoma（ESCC） is a poor-prognostic cancer type with extensive intra-and inter-patient heterogeneity in both genomic variations and tumor microenvironment（TME）. However, the patterns and drivers of spatial genomic and microenvironmental heterogeneity of ESCC remain largely unknown. Here, we generated a spatial multi-omic atlas by whole-exome, transcriptome, and methylome sequencing of 507 tumor samples from 103 patients. We identified a novel tumor suppressor PREX2,accounting for 22% of ESCCs with frequent somatic mutations or hyper-methylation, which promoted migration and invasion of ESCC cells in vitro. Analysis of the TME and quantification of subclonal expansion indicated that ESCCs undergo spatially directed evolution, where subclones mostly originated from the tumor center but had a biased clonal expansion to the upper direction of the ***, we found upper regions of ESCCs often underwent stronger immunoediting with increased selective fitness, suggesting more stringent immune selection. In addition, distinct TMEs were associated with variable genomic and clinical outcomes. Among them, hot TME was associated with high immune evasion and subclonal heterogeneity. We also found that immunoediting, instead of CD8+T cell abundance, acts as an independent prognostic factor of ESCCs. Importantly, we found significant heterogeneity in previously considered potential therapeutic targets, as well as BRCAness characteristics in a subset of patients, emphasizing the importance of focusing on heterogeneity in ESCC targeted ***, these findings provide novel insights into the mechanisms of the spatial evolution of ESCC and inform precision therapeutic strategies.

关键词： squamous cell carcinoma heterogeneity multi-omics evolution tumor microenvironment

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Scutellarein Ameliorated Chondrocyte Inflammation and Osteoarthritis in Rats

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Current Medical Science 2024年第2期44卷 355-368页

作者： Shao-ze JING Shu-han YANG Yun-kun QU Hai-hu HAO Hua WU Department of Orthopedics Third Hospital of Shanxi Medical UniversityShanxi Bethune HospitalShanxi Academy of Medical SciencesTongji Shanxi HospitalTaiyuan 030032China Department of Orthopedics Tongji HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430030China

Objective:Osteoarthritis(OA)is a degenerative joint disorder characterized by the gradual degradation of joint cartilage and local *** study aimed to investigate the anti-OA effect of scutellarein(SCU),a single-unit flavonoid compound obtained from Scutellaria barbata ***,in ***:The extracted rat chondrocytes were treated with SCU and IL-1β.The chondrocytes were divided into control group,IL-1βgroup,IL-1β+SCU 50µmol/L group,and IL-1β+SCU 100µmol/L *** of rat chondrocytes was observed by toluidine blue and safranin O ***-8 method was used to detect the cytotoxicity of ***,qRT-PCR,Western blotting,immunofluorescence,SAβ-gal staining,flow cytometry,and bioinformatics analysis were applied to evaluate the effect of SCU on rat chondrocytes under IL-1β***,anterior cruciate ligament transection(ACL-T)was used to establish a rat OA *** changes were detected by safranin O/fast green,hematoxylin-eosin(HE)staining,and ***:SCU protected cartilage and exhibited anti-inflammatory effects via multiple ***,it could enhance the synthesis of extracellular matrix in cartilage cells and inhibit its *** addition,SCU partially inhibited the nuclear factor kappa-B/mitogen-activated protein kinase(NF-κB/MAPK)pathway,thereby reducing inflammatory cytokine production in the joint ***,SCU significantly reduced IL-1β-induced apoptosis and senescence in rat chondrocytes,further highlighting its potential role in OA *** vivo experiments revealed that SCU(at a dose of 50 mg/kg)administered for 2 months could significantly delay the progression of cartilage damage,which was reflected in a lower Osteoarthritis Research Society International(OARSI)score,and reduced expression of matrix metalloproteinase 13(MMP13)in ***:SCU is effective in the therapeutic management of OA and could serve as a potential candidate f

关键词： scutellarein osteoarthritis apoptosis mitogen-activated protein kinase(MAPK) nuclear factor kappa-B(NF-κB)

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Experimental study on the activation of coal gasification fly ash from industrial CFB gasifiers

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Chinese Journal of Chemical Engineering 2024年第1期65卷 8-18页

作者： Qiyao Yang Xiaobin Qi Qinggang Lyu Zhiping Zhu North China Electric Power University Beijing 102206China Institute of Engineering Thermophysics Chinese Academy of SciencesBeijing 100190China shanxi Key Laboratory of Coal Flexible Combustion and Thermal Conversion Datong 037000China University of Chinese academy of sciences Beijing 100049China shanxi Engineering Research Center of Coal Clean Efficient Combustion and GasificationDatong 037000China

Coal gasification fly ash(CGFA)is an industrial solid waste from the coal circulating fluidized bed(CFB)gasification process,and it needs to be effectively disposed to achieve sustainable development of the *** realize the application of CGFA as a precursor of porous carbon materials,the physicochemical properties of three kinds of CGFA from industrial CFB gasifiers are ***,the activation potential of CGFA is acquired via steam activation experiments in a tube furnace ***,the fluidization activation technology of CGFA is practiced in a bench-scale CFB test rig,and its advantages are *** results show that CGFA is characterized by a high carbon content in the range of 54.06%–74.09%,an ultrafine particle size(d50:16.3–26.1 μm),and a relatively developed pore structure(specific surface area SSA:139.29–551.97 m^(2)·g^(-1)).The proportion of micropores in CGFA increases gradually with the coal *** activation experiments show that the pore development of CGFA mainly includes three stages:initial pore development,dynamic equilibrium between micropores and mesopores and pore *** SSA of lignite fly ash(LFA),subbituminous fly ash(SBFA)and anthracite fly ash(AFA)is maximally increased by 105%,13%and 72%after steam activation;the order of the largest carbon reaction rate and decomposition ratio of steam among the three kinds of CGFA is SBFA>LFA>*** the ratio of oxygen to carbon during the fluidization activation of LFA is from 0.09 to 0.19,the carbon conversion ratio increases from 14.4%to 26.8%and the cold gas efficiency increases from 6.8%to 10.2%.The SSA of LFA increases by up to 53.9%during the fluidization activation process,which is mainly due to the mesoporous *** to steam activation in a tube furnace reactor,fluidization activation takes an extremely short time(seconds)to achieve the same activation *** is expected to further improve the activation effect of LFA by regulating the carbo

关键词： Circulating fluidized bed Coal gasification fly ash Steam activation Pore structure evolution Fluidization activation

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