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Pre-operative enhanced magnetic resonance imaging combined with clinical features predict early recurrence of hepatocellular carcinoma after radical resection

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World Journal of Gastrointestinal Oncology 2024年第4期16卷 1192-1203页

作者： Jian-Ping chen ri-Hui Yang Tian-Hui Zhang Li-An Liao Yu-Ting Guan Hai-Yang Dai Department of Intervention Meizhou People’s HospitalMeizhou 514031Guangdong ProvinceChina Department of Medical Imaging Meizhou People’s HospitalMeizhou 514031Guangdong ProvinceChina Department of Medical Imaging Huizhou Municipal Central HospitalHuizhou 516001Guangdong ProvinceChina

BAcKGROUND Indentifying predictive factors for postoperative recurrence of hepatocellular carcinoma(Hcc)has great significance for patient *** To explore the value of gadolinium ethoxybenzyl diethylenetriamine pentaacetic acid(Gd-EOB-DTPA)enhanced magnetic resonance imaging(Mri)combined with clinical features in predicting early recurrence of Hcc after *** A total of 161 patients with pathologically confirmed Hcc were *** patients were divided into early recurrence and non-early recurrence group based on the follow-up *** clinical,laboratory,pathological results and Gd-EOB-DTPA enhanced Mri imaging features were *** Of 161 patients,73 had early recurrence and 88 were had non-early *** analysis showed that patient age,gender,serum alpha-fetoprotein level,the Barcelona clinic Liver cancer stage,china liver cancer(cNLc)stage,microvascular invasion(MVI),pathological satellite focus,tumor size,tumor number,tumor boundary,tumor capsule,intratumoral necrosis,portal vein tumor thrombus,large vessel invasion,nonperipheral washout,peritumoral enhancement,hepatobiliary phase(HBP)/tumor signal intensity(sI)/peritumoral sI,HBP peritumoral low signal and peritumoral delay enhancement were significantly associated with early recurrence of Hcc after *** logistic regression analysis showed that patient age,MVI,cNLc stage,tumor boundary and large vessel invasion were independent predictive *** data validation indicated that the area under the curve of the combined predictors was 0.861,suggesting that multivariate logistic regression was a reasonable predictive model for early recurrence of *** Gd-EOB-DTPA enhanced Mri combined with clinical features would help predicting the early recurrence of Hcc after operation.

关键词： Hepatocellular carcinoma Enhanced magnetic resonance imaging Microvascular invasion Hepatobiliary phase Recurrence

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Modulated noble metal/2D MOF heterostructures for improved hydrogen storage of MgH_(2)

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Rare Metals 2024年第4期43卷 1672-1685页

作者： Zeng-Yi Li Li-Xian sun Fen Xu Yu-Mei Luo Yong-Peng Xia sheng Wei chen-chen Zhang ri-Guang cheng chao-Feng Ye Meng-Yuan Liu Ju-Lan Zeng Zhong cao Hong-Ge Pan school of Material science and Engineering Guilin University of Electronic TechnologyGuilin541004China school of chemistry and chemical Engineering Changsha University of Science and TechnologyChangsha410114China Institute of science and Technology for New Energy Xi’an Technological UniversityXi’an710021China

The conjugation of external species with twodimensional(2D)materials has broad application *** this study,we have explored the potential of noble metal/2D MOF heterostructures in hydrogen ***,the MgH_(2)-Ni-MOF@Pd system has shown remarkable hydrogen desorption/sorption performances,starting to liberate hydrogen at 1810c,which is 2300c lower than that of pristine *** the catalytic effect of Ni-MOF@Pd,the dehydrogenation apparent activation energy of MgH2 is noticeably decreased from(133.5±17.5)to(34.58±1.87)kJ·moL^(-1),and the hydrogenation apparent activation energy is reduced from(70.41±7.43)to(25.78±4.64)kJ·moL^(-1),which is lowered by 63.4%.The fully-dehydrogenated MgH2-NiMOF@Pd composite rapidly uptakes hydrogen,with 2.62wt%at 100℃and 6.06 wt%at 150℃within 300 s,*** mechanism analysis of MgH2 catalyzed by Ni-MOF@Pd has revealed that the transformation of Mg_2Ni and Mg_2NiH_4 could act as a"hydrogen pump",providing numerous channels for fast diffusion and transport of hydrogen ***,in the dehydrogenation process,the element Pd reacts with MgH_(2)to form the MgPd alloy phase,which makes MgH_(2)take precedence to decompose through the Mg-Pd alloy rather than self-decomposition,further reducing thermal stability and improving de/hydrogenation *** synergistic effect of Mg-Pd,Mg_2Ni,and the special ultra-thin 2D sheet structure of the additive is the main reason for the good hydrogen storage property of MgH_(2)-Ni-MOF@*** findings provide inspiration for designing efficient multifunctional additives with unique morphologies to optimize the hydrogen desorption/sorption behaviors of hydrogen storage materials.

关键词： Hydrogen storage Magnesium hydride 2D metal-organic framework nanosheets Ni/Pd synergistic catalysis

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Distribution and contamination of Arsenic in Fish, Gastropods and Bivalves in the Aby and Tendo Lagoons in East of Ivory coast

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Journal of Environmental Protection 2024年第3期15卷 246-264页

作者： Kouakou serge Kouassi stéphane Jean claon Kossonou Roland N’Guettia séri Kipré Laurent Dakouo Guei Jokebed Djaman Allico Joseph Laboratory of Biology and Health University of F&eacutelix Houphou&eumlt-Boigny Abidjan C&ocircte d’Ivoire Department of Analytical sciences and Public Health Faculty of Pharmaceutical and Biological Sciences University of F&eacutelix Houphou&eumlt-Boigny Abidjan C&ocircte d’Ivoire Laboratory of Environmental sciences (LsE) University of Nangui Abrogoua Abidjan C&ocircte d’Ivoire Department of Medical and Fundamental Biochemistry Institut Pasteur of C&ocircte d’Ivoire Abidjan C&ocircte d’Ivoire

Lagoons are ecosystems for biodiversity and the livelihoods of coastal communities. The main objective of the study was to analyze the variability of arsenic concentrations in gastropods and bivalves in the Aby and Tendo lagoons, taking into account spatial, seasonal and hydrological variations. The study was carried out in four stages spread over two successive hydroclimatic cycles, including two seasons during the rainy season and two more during the dry season. The samples were taken in two areas of the Aby and Tendo lagoons. Arsenic levels were measured by IcP-Ms. The results showed that mean arsenic concentrations in the muscles of organisms in Aby Lagoon ranged from 0.01 to 1.26 μg As/g, with a mean and median of 0.17 and 0.06 μg As/g, respectively. Fish had the highest levels of arsenic, followed by crustaceans, while molluscs and plants had lower and comparable concentrations of As. Arsenic concentrations in tilapia and jawbones varied significantly between sites and seasons, with higher concentrations at Tendo and during the rainy season. Arsenic concentrations in gastropods and bivalves were significantly higher than those of other species, with averages of 0.74 and 1.03 mg As/kg, respectively.

关键词： Arsenic Pollution Fish Gastropods Lagoons Health Effect

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Physico-chemical and Nutritional Properties of a Food Broth based on Nere (Parkia biglobosa)

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Food and Nutrition sciences 2024年第5期15卷 377-389页

作者： Lassana Bamba Gervais Melaine M’Boh N’Gbésso Amos Ekissi Kipré Laurent séri Gnogbo Alexis Bahi Koffi Pierre Valery Niaba Allico Joseph Djaman Grah Avit Maxwell Beugre Laboratory of Agro-Valorization Department of Agroforesterie Jean Lorougnon Gu&#233d&#233 University Daloa C&#244te d&#8217Ivoire Medical and Fundamental Biochemistry Department Institut Pasteur of C&#244te d&#8217Ivoire Abidjan C&#244te d&#8217Ivoire Laboratory of Biotechnology Agriculture and Valorization of Biological Resources Department of Biosciences Felix Houphouet-Boigny University Abidjan Cote d&#8217Ivoire Biology and Health Laboratory Department of Biosciences Felix Houphouet-Boigny University Abidjan C&#244te d&#8217Ivoire

Purpose: Diet and eating habits are major risk factors for the health and the development of disease, such as, for example, metabolic disorder leading to cardiovascular pathology and cancer, decreased immunity exposing to infections. This study of the physico-chemical and nutritional properties of a soumara-based food broth was carried out with the aim of promoting the consumption of organic broth made from nere seeds (soumara). That is to alleviate certain metabolic diseases, which is a matter of food safety, and also to limit the risk for the health about the consumption of some cooking stocks on the market. Methods: several natural ingredients such as nere seeds (soumara), ginger, black pepper, parsley and garlic were used to create a nere-based stock. All these ingredients were freeze-dried and the powder obtained was used to make the broth, regarding their physical and chemical properties. Results: The broth had a good protein content of 17.41 ± 0.367 g/100g, a lipid content of 16.80 ± 0.08 g/100g and a fiber content of 8.66 ± 0.04 g/100g. In terms of nutritional values, the broth showed good levels of calcium 184.21 ± 0.09 mg/100g, potassium 50.04 ± 1.45 mg/100g and iron and zinc. In terms of antioxidant activity, the broth also showed good antioxidant activity. conclusion: Regarding the properties of our food broth, whose composition is based on natural ingredients, could be recommended for consumption and, its properties, could play an important role in preventing and combating certain metabolic diseases.

关键词： Food Broth Nere Physico-chemical Properties Nutrition Food safety

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Analysis of long-term outcome of modified gastric bypass for type 2 diabetes mellitus in chinese patients

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World Journal of clinical cases 2024年第25期12卷 5697-5705页

作者： Ying Xing ri-Xing Bai You-Guo Li Jun Xu Zhi-Qiang Zhong Ming Yan Wen-Mao Yan Department of General surgery Beijing Tiantan HospitalBeijing 100170China

BAcKGROUND Bariatric and metabolic surgery have been routinely performed following the rapid increase in obesity and metabolic diseases *** all evolving procedures,Roux-en-Y gastric bypass(RYGB)is considered the gold standard for surgical treatment of patients with type 2 diabetes mellitus(T2DM)and *** was introduced in china nearly 20 years ago,but the number of RYGB surgeries only accounts for 3.1%of the total number of weight loss and metabolic surgeries in china,it’s effect on chinese people still needs further *** To investigate the effect and safety of a modified gastric bypass performed in chinese patients with *** Patients with obesity and T2DM who underwent modified gastric bypass,with>5-year follow-up data,were *** All 37 patients underwent uneventful laparoscopic surgery,no patient was switched to laparotomy during the surgery,and no severe complications were *** weight and body mass index of the patients reduced from 84.6±17.3(60.0–140.0)kg and 30.9±5.0(24.7–46.2)kg/m2 to 67.1±12.2(24.7–46.2)kg and 24.6±3.9(17.7–36.5)kg/m2,respectively,and fasting plasma glucose and glycated hemoglobin decreased from 7.4±3.4 mmol/L and 8.2%±1.7%preoperatively to 6.5±1.3 mmol/L and 6.5%±0.9%5-years postoperatively,*** 29.7%(11/37)of the patients used hypoglycemic drugs 5-years postoperatively,and the complete remission rate of T2DM was 29.7%(11/37).Triglyceride level reduced significantly but high-density lipoprotein increased significantly(both Pcompared with those during the preoperative *** and renal function improved significantly postoperatively,and binary logistic regression analysis revealed that the patients’preoperative history of T2DM and fasting c-peptide were significant prognostic factors influencing complete T2DM remission after RYGB(P=0.006 and 0.012,respectively).cONcLUsION The modified gastric bypass is a safe and feasible procedure for chinese patients with obesity an

关键词： Laparoscopic Roux-en-Y gastric bypass chinese patients Metabolic surgery Bariatric surgery Type 2 diabetes mellitus

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唐长安佛教寺院布局影像研究——以敦煌莫高窟壁画中的钟楼、经楼为中心

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吐鲁番学研究 2024年第1期 108-116,142,I0006页

作者：白日陕西师范大学丝绸之路历史文化研究中心

盛唐至五代敦煌莫高窟石窟的多处壁画中出现了钟、经楼,究其根本应是唐长安的寺院建造布局随着丝绸之路传播至敦煌所致。对长安寺院布局的文字描述及图案绘制使得佛教寺院样式得到广泛流传并逐渐形成了粉本,其影响体现在敦煌石窟壁画的... 详细信息

盛唐至五代敦煌莫高窟石窟的多处壁画中出现了钟、经楼,究其根本应是唐长安的寺院建造布局随着丝绸之路传播至敦煌所致。对长安寺院布局的文字描述及图案绘制使得佛教寺院样式得到广泛流传并逐渐形成了粉本,其影响体现在敦煌石窟壁画的画面结构及空间概念的建构上。

关键词：钟楼经楼敦煌壁画寺院布局

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Neoadjuvant nivolumab with or without platinum-doublet chemotherapy based on PD-L1 expression in resectable NscLc(cTONG1804):a multicenter open-label phase II study

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signal Transduction and Targeted Therapy 2024年第1期9卷 249-258页

作者： si-Yang Liu song Dong Xue-Ning Yang ri-Qiang Liao Ben-Yuan Jiang Qun Wang Xiao-song Ben Gui-Bin Qiao Jun-Tao Lin Hong-Hong Yan Li-Xu Yan Qiang Nie Hai-Yan Tu Bin-chao Wang Jin-Ji Yang Qing Zhou Hong-Rui Li Ke Liu Wendy Wu si-Yang Maggie Liu Wen-Zhao Zhong Yi-Long Wu Guangdong Lung cancer Institute Guangdong Provincial Key Laboratory of Translational Medicine in Lung CancerGuangdong Provincial People’s Hospital(Guangdong Academy of Medical Sciences)Southern Medical UniversityGuangzhouChina Department of Thoracic surgery Zhongshan HospitalFudan UniversityShanghaiChina Department of Thoracic surgery Guangdong Provincial People’s Hospital(Guangdong Academy of Medical Sciences)Southern Medical UniversityGuangzhouChina Department of Pathology Guangdong Provincial People’s Hospital(Guangdong Academy of Medical Sciences)Southern Medical UniversityGuangzhouChina Fujian Key Laboratory of Advanced Technology for cancer screening and Early Diagnosis FuzhouChina Berry Oncology corporation FuzhouChina chinese Thoracic Oncology Group(cTONG) GuangzhouChina Department of Hematology The First Affiliated HospitalJinan UniversityGuangzhouChina

This prospective multicenter phase II study evaluated the clinical efficacy of neoadjuvant nivolumab-exclusive(N)and nivolumab–chemotherapy(N/c)combinations based on PD-L1 *** patients exhibited resectable clinical stage IIA–IIIB(AJcc 8th edition)NscLc without EGFR/ALK *** received either mono-nivolumab(N)or nivolumab+nabpaclitaxel+carboplatin(N/c)for three cycles based on PD-L1 *** primary endpoint was the major pathological response(MPR).Key secondary endpoints included the pathologic complete response(pcR),objective response rate(ORR),and event-free survival(EFs).baseline PD-L1 expression and perioperative circulating tumor DNA(ctDNA)status were correlated with pcR and ***-two patients were enrolled,with 46 undergoing *** MPR was 50.0%(26/52),with 25.0%(13/52)achieving pcR,and 16.7%and 66.7%for patients with PD-L1≥50%in N and N/c groups,***(25.0%)patients experienced grade 3 or higher immune-related adverse events during neoadjuvant *** with post-neoadjuvant ctDNA negativity was more likely to have pcR(39.1%)compared with those remained positive(6.7%,odds ratio=6.14,95%cI 0.84-Inf,p=0.077).With a median follow-up of 25.1 months,the 18-month EFs rate was 64.8%(95%cI 51.9–81.0%).For patients with ctDNA–***+,the 18m-EFs rate was 93.8%vs 47.3%(HR,0.15;95%cI 0.04,0.94;p=0.005).Immunochemotherapy may serve as an optimal neoadjuvant treatment even for patients with PD-L1 expression≥50%.ctDNA negativity following neoadjuvant treatment and surgery could help identify superior pathological and survival benefits,which requires further confirmation in a prospective clinical trial(NcT04015778).

关键词： chemotherapy NscLc treatment

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弹塑性多孔介质流固耦合新理论:混合耦合理论

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计算力学学报 2024年第1期41卷 129-138页

作者：徐丽阳王锴丁智徐日庆陈晓辉浙江大学滨海和城市岩土工程研究中心杭州310058 浙江省城市地下空间开发工程技术研究中心杭州310058 浙大城市学院土木工程系杭州310015 浙江省城市盾构隧道安全建造与智能养护重点实验室杭州310015 北京师范大学水科学研究院北京100875 利兹大学土木工程系英国利兹LS29JT

在全球气候变化和双碳政策的大背景下,多孔介质中固体的变形和流体的输运问题变得尤为重要。然而,在多孔介质中建立流固耦合模型仍面临的挑战之一是需要考虑跨越宏观尺度到纳米尺度的耦合作用。本文利用基于非平衡热力学的混合耦合理论... 详细信息

在全球气候变化和双碳政策的大背景下,多孔介质中固体的变形和流体的输运问题变得尤为重要。然而,在多孔介质中建立流固耦合模型仍面临的挑战之一是需要考虑跨越宏观尺度到纳米尺度的耦合作用。本文利用基于非平衡热力学的混合耦合理论,提出了一个弹塑性多孔介质流固耦合新模型,在同一个理论框架内研究了弹性变形、塑性变形和液体渗流之间跨尺度的耦合,考虑了耗散过程中的熵产,并利用Helmholtz自由能连接宏观尺度上的力学变形和纳米尺度上的液体输运之间的相互作用。在应力-应变关系中采用了弹塑性刚度系数以反映塑性的影响。同时,经典的达西定律扩展为可考虑固体的塑性变形。通过与文献中模型的比较,验证了该模型的有效性。最后,数值分析表明在多孔介质的流固耦合中塑性变形具有比较显著的影响。

关键词：混合耦合理论塑性流固耦合多孔介质跨尺度

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cFB灰-钢渣粉-矿渣-脱硫石膏全固废公路下伏采空区注浆材料特性研究

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中国公路学报 2024年第6期37卷 193-206页

作者：肖杰刘财壮刘志勇何建刚常锦张红日长沙理工大学交通运输工程学院湖南长沙410114 山西省交通科技研发有限公司黄土地区公路建设与养护技术交通行业重点实验室太原山西030006 交通运输部公路科学研究所道路结构与材料交通运输行业重点实验室北京100088 同济大学上海市轨道交通结构耐久与系统安全重点实验室上海201804 同济大学道路与交通工程教育部重点实验室上海201804 湖南人健宝固高新科技发展有限公司湖南长沙410201 长沙学院土木工程学院湖南长沙410022 广西交科集团有限公司广西南宁530007

为解决传统水泥基注浆材料成本高、能耗和污染大等问题,基于固废材料协同效应,以cFB粉煤灰(cFBFA)、钢渣微粉(ss)、高炉矿渣(BFs)和脱硫石膏(FGD)为原材料制备新型绿色环保的公路路基及桥隧下伏采空区全固废注浆材料。通过系列室内试验... 详细信息

为解决传统水泥基注浆材料成本高、能耗和污染大等问题,基于固废材料协同效应,以cFB粉煤灰(cFBFA)、钢渣微粉(ss)、高炉矿渣(BFs)和脱硫石膏(FGD)为原材料制备新型绿色环保的公路路基及桥隧下伏采空区全固废注浆材料。通过系列室内试验,研究了不同cFBFA掺量(80%、60%、50%、40%、20%)、水固比(1∶1.3、1∶1.4、1∶1.5、1∶1.6)及ss与BFs质量比(8∶2、6∶4)等因素对浆料的密度、流动度、析水率、结石率以及结石体单轴抗压强度(Ucs)的影响,并结合XRD、TG、sEM等微观试验,分析了水化作用机理。研究结果表明:水固比相同时,随cFBFA掺量的增加,浆料流动度、结石率增大,而密度、析水率和Ucs减小;原材料配比相同时,随水固比增大,浆料析水率增加,流动度、密度、结石率及Ucs减小;水固比与cFBFA掺量相同时,随ss与BFs比值增大,浆料密度与析水率增大,流动度、结石率与Ucs减小;cFBFA掺量、水固比对浆料工作性能的影响均显著,且cFBFA、BFs掺量对Ucs影响大;结石体28 d Ucs试件中仅有A1组的小于0.6 MPa,且最大值达16.71 MPa。综合考虑浆料工作、力学性能,同时结合经济性,提出了公路路基、桥隧下伏采空区注浆材料的施工建议配合比。浆料水化产物主要为c—s—(A)—H、AFt及ca(OH)2,减小水固比、增加ss与BFs掺量、提高试件养护龄期均可使水化产物(c—s—(A)—H、AFt)数量增多,试件更密实,Ucs更高,且BFs掺量增加有助于ca(OH)2二次水化和AFt等水化产物的生成。实际应用中,通过调整cFBFA、ss、BFs与FGD全固废注浆材料配合比,其工作性能及Ucs均能满足相关规范的要求,用于采空区注浆是切实可行的。

关键词：路基工程 cFB灰-钢渣粉-矿渣水化反应机理注浆材料

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small dissymmetry, yet large effects on the transport propertiesof electrolytes based on imide salts: consequences on performancein Li-ion batteries

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Journal of Energy chemistry 2022年第2期31卷 352-366页

作者： Joseph chidiac Laure Timperman Mérièm Anouti Laboratoire PcM2E Universitéde ToursParc de Grandmont37200 ToursFrance

To gain better insight into the influence of the anion size and symmetry on the transport properties and thermal stability of an electrolyte based on lithium(fluorosulfonyl)(trifluoromethanesulfonyl)-imide(FTFsI)salt,we performed the physical and electrochemical characterization of an electrolyte based on FTFsI incorporated in standard binary(3 Ec/7 EMc)and ternary(Ec/Pc/3 DMc)alkylcarbonate *** applying the Jones-Dole-Kaminsky(JDK),Eyring and Arrhenius empirical models to the electrolyte viscosity we show that the activation enthalpy and entropy energy barriers(ΔH≠,Δs≠)for viscous flow are between 12 and 15 kJ·mol^(-1).They are strongly dependent on the solvent nature and are significantly lower than their symmetric anions LiFsI and LiTFsI(19-20 kJ·mol^(-1))in the binary ***,the hydrodynamic radius,rs,calculated by JDK,and the ionicity behavior illustrated by the Walden role,showed that the FTFsI anion is outside the solvation sphere(rs>0.6 nm)which is smaller in the case of an Ec/EMc solvent *** the 3 Ec/7 EMc solvent mixture,LiFTFsI is less conductive than in the ternary mixture i.e.,σ_(max)=8.9 ms cm^(-1) at c_(max)=1.1 mol L^(-1) for 3 Ec/7 EMc and,σ_(max)=10.5 ms cm^(-1) at max=0.7 mol L^(-1) for Ec/Pc/3 DMc,due to a strong solvation and a greater association of FTFsI ions in the binary solvent *** thermal stability of FTFsI based electrolytes was determined by the shift of the evaporation temperature of the volatile solvents(DMc,EMc)in the presence of salt,towards the higher *** feature is visible on the thermograms obtained by Dsc both with the liquid electrolyte and with charged LMO cathodes in presence of *** consequences of these properties on the electrochemical behavior of a graphite(Gr)half-cell,a lithium metal(Li)anode and a manganese lithium oxide(LMO)cathode demonstrated on the one hand the formation of a thick solid electrolyte interphase(sEI)on graphite that consumed a significant amou

关键词： LiFTFsI Electrolyte Viscosity Interface Li-ion battery

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