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Solar-powered miniature robot for on-site oil spill treatment under magnetic steering

Science China(Technological Sciences) 2024年第7期67卷 2164-2175页

作者： WANG ben chen YunRui WANG Yun JI FengTong LI HongYuan NIU ShiChao HAN ZhiWu ZHANG YaBin GUO ZhiGuang College of Chemistry and Environmental Engineering Shenzhen UniversityShenzhen 518060China State Key Laboratory of Featured metal materials and Life-cycle Safety for Composite Structures Ministry of Education Key Laboratory of New Processing Technology for Nonferrous Metals and Materialsand School of ResourcesEnvironment and MaterialsGuangxi UniversityNanning 530004China Key Laboratory for Bionic Engineering ministry of Education Jilin UniversityChangchun 130022China Hubei Collaborative Innovation Centre for Advanced Organic Chemical materials Ministry of Education Key Laboratory for the Green Preparation and Application of Functional MaterialsHubei UniversityWuhan 430062China Wellcome Trust/Cancer Research UK Gurdon Institute University of CambridgeCambridge CB21QNUK Department of Physiology Development and NeuroscienceUniversity of CambridgeCambridge CB21QNUK State Key Laboratory for Turbulence and Complex Systems Department of Mechanics and Engineering ScienceBeijing Innovation Center for Engineering Science and Advanced TechnologyCollege of EngineeringPeking UniversityBeijing 100871China

Walking on the water surface is an effective method for miniature robots to transport payloads with dramatically decreased interfacial drag. Current aquatic robots reported are generally actuated by a beam of focused light that can trigger asymmetrical deformation, enabling the directional movement through horizontal momentum transfer of photoinduced actuation force to the water. However, the operations are heavily dependent on manual manipulation of the focused light, making the long-term actuation and application of the aquatic robots in vast scenarios challenging. Herein, we developed a kind of water striderinspired robot that can autonomously manage the motion on the water surface under solar irradiation, with their direction steerable by a magnetic field. The motion of this bioinspired robot on the water surface was achieved by the use of a solar cell panel as a driving module to enable propulsive motion based on the conversion of light-electric-mechanical energies. The superhydrophobic design of its leg surfaces enables the aquatic robots with weight-bearing and drag-reducing abilities. With the assistance of magnetic navigation, the bioinspired robot can continuously and controllably locomote to the oily spill floating on the water body and collect them with high efficiency. For further demonstration, the treatment of oil spills in a campus pool with high efficiency has also been achieved. This on-site oil-spill treating strategy, taking advantage of a home-made bioinspired robot actuated by natural sunlight under magnetic steering, shows great potential applications in water-body remediation.

关键词： miniature robot superhydrophobic water strider interfacial friction magnetic actuation

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Intraocular pressure before and after capsulorhexis using two viscoelastic substances and two surgical approaches in enucleated porcine eyes

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International Journal of Ophthalmology(English edition) 2024年第6期17卷 1156-1160页

作者： Chiraz ben Abdallah Walter Sekundo markus SLadewig Daniel m.Handzel Augenzentrum Osthessen Fulda 36037Germany University Eye Hospital Philipps-University Marburg 35043Germany University Eye Hospital Philipps-University Campus FuldaFulda 36043Germany

AIm:To investigate the influence of ophthalmic viscoelastic devices(OVDs)and different surgical approaches on the intraocular pressure(IOP)before and after creation of the curvilinear circular capsulorhexis(CCC)as a measure for anterior chamber stability during this ***:Prospective experimental WetLab study carried out on enucleated porcine *** was measured before and after CCC with the iCare Rebound tonometer(iCare ic200;iCare Finland Oy,Vantaa,Finland).The OVDs used were a cohesive one[Z-Hyalin,Carl Zeiss meditec AG,Germany;hyaluronic acid(HA)]and a dispersive[Z-Celcoat,Carl Zeiss meditec AG,Germany;hydroxy propylmethylcellulosis(HPmC)].The CCC was created using Utrata forceps or 23 g microforceps in different combinations with the ***:Using the Utrata forceps the IOP dropped from 63.65±6.44 to 11.25±3.63 mm Hg during the *** use of different OVDs made no *** the 23 g microforceps the IOP dropped from 65.35±8.15 to 36.55±6.09 mm *** difference between IOP drop using either Utrata forceps or 23 g microforceps was highly significant regardless of the OVD ***:Using the sideport for the creation of the capsulorhexis leads to a lesser drop in IOP during this maneuver compared to the main incision in enucleated porcine *** use of different OVD has no significant influence on IOP drop.

关键词： cataract surgery ophthalmosurgical viscoelastic device intraocular pressure capsulorhexis enucleated porcine eye

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Pancreatic giant malignancy simulating a gastrointestinal stromal tumor

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Hepatobiliary & Pancreatic Diseases International 2024年第4期23卷 431-433页

作者： ben-Jie Liu chen-Hui Jin Yan-Lun Guo Zhi-Gang Ke Jun-Jun Huang Lin-Ping Cao Department of Hepatobiliary Surgery Department of General SurgeryPujiang Branch of the First Affiliated HospitalZhejiang University School of MedicineJinhua 322200China Department of Pathology Pujiang Branch of the First Affiliated HospitalZhejiang University School of MedicineJinhua 322200China Department of Hepatobiliary and Pancreatic Surgery the First Affiliated HospitalZhejiang University School of MedicineHangzhou 310003China

Pancreatic acinar cell carcinoma(PACC)is a rare malignant tumor of pancreatic epithelial cells,which produces pancreatic exocrine *** originates from acinar cells and terminal branches of the pancreatic ducts in the exocrine tissue of the *** accounts for 1%−2%of pancreatic exocrine tumors[1].Herein,we present an elderly woman with PACC who recovered after effective laparoscopic *** tumor was located on the left side of the abdomen;imaging suggested that it was a gastrointestinal stromal tumor of the gastric wall origin,infiltrating the tail of the pancreas and omentum,while postoperative pathology suggested PACC.

关键词： Pancreatic gastrointestinal pancreas

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Natural Convection of a Power-Law Nanofluid in a Square Cavity with a Vertical Fin

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Fluid Dynamics & materials Processing 2024年第9期20卷 2091-2108页

作者： Amira m’hadbi mohammed El Ganaoui Haïkel ben Hamed Amenallah Guizani Khalid Chtaibi LERmAB Department of Transition and Energy Efficiency ProfessionsIUT H Poincaréde LongwyUniversity of LorraineLongwy54400France LPT Center for Energy Research and Technologies(Borj Cedria2084)University of Tunis El ManarTunis1068Tunisia LTI Department of Mechanical Engineering and ProductionIUTUniversity of Picardie Jules-VerneAmiens80025France

The behavior of non-Newtonian power-law nanofluids under free convection heat transfer conditions in a cooled square enclosure equipped with a heated fin is investigated *** particular,the impact of nanofluids,composed of water and Al_(2)O_(3),TiO_(2),and Cu nanoparticles,on heat transfer enhancement is *** aim of this research is also to analyze the influence of different parameters,including the Rayleigh number(Ra=10^(4)-10^(6)),nanoparticle volume fraction(φ=0%-20%),non-Newtonian power-law indexes(n=0.6-1.4),and fin dimensions(Ar=0.3,0.5,and 0.7).Streamlines and isotherms are used to depict flow and related heat transfer *** indicate that thermal performance improves with increasing Rayleigh number,regardless of the nanoparticle type or nanofluid rheological *** suggests that the buoyancy force has a significant impact on heat transfer,particularly near the heat *** Nusselt number is more sensitive to variations in Cu nanoparticle volume fractions compared to Al₂O₃and TiO₂.moreover,the average Nusselt numbers for power-law nanofluids with n1)are greater(smaller)than for Newtonian fluids due to the decrease(increase)in viscosity with increasing(decreasing)shear rate,at the same values of Rayleigh number Ra owing to the amplification(attenuation)of the convective ***,the most substantial enhancement is observed with Cu-water shear-thinning nanofluid,where the Nusselt number increases by 136%when changing from Newtonian to shear thinning behavior and by 154.9%when adding 16%nanoparticle volume ***,an even larger increase of 57%in the average Nusselt number is obtained on increasing the fin length from 0.3 to 0.7.

关键词： Heat transfer nanofluid non-Newtonian fluid natural convection

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Causal genetic regulation of DNA replication on immune microenvironment in colorectal tumorigenesis: Evidenced by an integrated approach of trans-omics and GWAS

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The Journal of Biomedical Research 2024年第1期38卷 37-50页

作者： Sumeng Wang Silu chen Huiqin Li Shuai ben Tingyu Zhao Rui Zheng meilin Wang Dongying Gu Lingxiang Liu Department of Oncology the First Affiliated Hospital of Nanjing Medical UniversityNanjingJiangsu 210029China Department of Environmental Genomics Jiangsu Key Laboratory of Cancer BiomarkersPrevention and TreatmentCollaborative Innovation Center for Cancer Personalized MedicineNanjing Medical UniversityNanjingJiangsu 211166China Department of Genetic Toxicology the Key Laboratory of Modern Toxicology of Ministry of EducationCenter for Global HealthSchool of Public HealthNanjing Medical UniversityNanjingJiangsu 211166China Department of Biostatistics Center for Global HealthSchool of Public HealthNanjing Medical UniversityNanjingJiangsu 211166China Department of Oncology Nanjing First HospitalNanjing Medical UniversityNanjingJiangsu 210006China.

The interplay between DNA replication stress and immune microenvironment alterations is known to play a crucial role in colorectal tumorigenesis,but a comprehensive understanding of their association with and relevant biomarkers involved in colorectal tumorigenesis is *** address this gap,we conducted a study aiming to investigate this association and identify relevant *** analyzed transcriptomic and proteomic profiles of 904 colorectal tumor tissues and 342 normal tissues to examine pathway enrichment,biological activity,and the immune ***,we evaluated genetic effects of single variants and genes on colorectal cancer susceptibility using data from genome-wide association studies(GWASs)involving both East Asian(7062 cases and 195745 controls)and European(24476 cases and 23073 controls)*** employed mediation analysis to infer the causal pathway,and applied multiplex immunofluorescence to visualize colocalized biomarkers in colorectal tumors and immune *** findings revealed that both DNA replication activity and the flap structure-specific endonuclease 1(FEN1)gene were significantly enriched in colorectal tumor tissues,compared with normal ***,a genetic variant rs4246215 G>T in FEN1 was associated with a decreased risk of colorectal cancer(odds ratio=0.94,95%confidence interval:0.90–0.97,P_(meta)=4.70×10^(-9)).Importantly,we identified basophils and eosinophils that both exhibited a significantly decreased infiltration in colorectal tumors,and were regulated by rs4246215 through causal pathways involving both FEN1 and DNA *** conclusion,this trans-omics incorporating GWAS data provides insights into a plausible pathway connecting DNA replication and immunity,expanding biological knowledge of colorectal tumorigenesis and therapeutic targets.

关键词： trans-omics DNA replication tumor immune microenvironment causal mediation colorectal tumorigenesis

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mXene@c-mWCNT Adhesive Silica Nanofiber membranes Enhancing Electromagnetic Interference Shielding and Thermal Insulation Performance in Extreme Environments

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Nano-micro Letters 2024年第10期16卷 82-98页

作者： Ziyuan Han Yutao Niu Xuetao Shi Duo Pan Hu Liu Hua Qiu Weihua chen ben Bin Xu Zeinhom mEl-Bahy Hua Hou Eman Ramadan Elsharkawy mohammed AAmin Chuntai Liu Zhanhu Guo Key Laboratory of materials Processing and mold(Zhengzhou University) Ministry of EducationNational Engineering Research Center for Advanced Polymer Processing TechnologyZhengzhou UniversityZhengzhou 450002People's Republic of China School of Nano-Tech and Nano-Bionics University of Science and Technology of ChinaHefei 230026People's Republic of China Key Laboratory of multifunctional Nanomaterials and Smart Systems Advanced Materials DivisionSuzhou Institute of Nano-Tech and Nano-BionicsChinese Academy of SciencesSuzhou 215123People's Republic of China Shaanxi Key Laboratory of macromolecular Science and Technology School of Chemistry and Chemical EngineeringNorthwestern Polytechnical UniversityXi'an 710072People's Republic of China College of Chemistry&Green Catalysis Center Zhengzhou UniversityZhengzhou 450001People's Republic of China mechanical and Construction Engineering Faculty of Engineering and EnvironmentNorthumbria UniversityNewcastle Upon Tyne NE18UK Department of Chemistry Faculty of ScienceAl-Azhar UniversityNasr City 11884CairoEgypt Department of Chemistry Faculty of ScienceNorthern Border UniversityArarSaudi Arabia Department of Chemistry College of ScienceTaif UniversityP.O.Box 1109921944 TaifSaudi Arabia

A lightweight flexible thermally stable composite is fabricated by com-bining silica nanofiber membranes(SNm)with mXene@c-mWCNT hybrid *** flexible SNm with outstanding thermal insulation are prepared from tetraethyl orthosilicate hydrolysis and condensation by electrospinning and high-temperature calcination;the mXene@c-mWCNT_(x:y)films are prepared by vacuum filtration *** particular,the SNm and mXene@c-mWCNT_(6:4)as one unit layer(SmC_(1))are bonded together with 5 wt%polyvinyl alcohol(PVA)solution,which exhibits low thermal conductivity(0.066 W m^(-1)K^(-1))and good electromagnetic interference(EmI)shielding performance(average EmI SE_(T),37.8 dB).With the increase in func-tional unit layer,the overall thermal insulation performance of the whole composite film(SmC_(x))remains stable,and EmI shielding performance is greatly improved,especially for SmC_(3)with three unit layers,the average EmI SET is as high as 55.4 *** addition,the organic combination of rigid SNm and tough mXene@c-mWCNT_(6:4)makes SmC_(x)exhibit good mechanical tensile ***,SmC_(x)exhibit stable EmI shielding and excellent thermal insulation even in extreme heat and cold ***,this work provides a novel design idea and important reference value for EmI shielding and thermal insulation components used in extreme environmental protection equipment in the future.

关键词： SiO_(2)nanofiber membranes mXene@c-mWCNT Composite film Thermal insulation Electromagnetic interference shielding

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Genetic variant in a BaP-activated super-enhancer increases prostate cancer risk by promoting AhR-mediated FAm227A expression

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Journal of Biomedical Research 2024年第2期38卷 149-162,I0001-I0010页

作者： Lulu Fan Hao Wang Shuai ben Yifei cheng Silu chen Zhutao Ding Lingyan Zhao Shuwei Li meilin Wang Gong cheng Department of Environmental Genomics Jiangsu Key Laboratory of Cancer BiomarkersPrevention and TreatmentCollaborative Innovation Center for Cancer Personalized MedicineSchool of Public HealthNanjing Medical UniversityNanjingJiangsu 211166China Department of Genetic Toxicology the Key Laboratory of Modern Toxicology of Ministry of EducationCenter for Global HealthSchool of Public HealthNanjing Medical UniversityNanjingJiangsu 211166China Department of Urology the First Affiliated Hospital of Nanjing Medical UniversityJiangsu Province HospitalNanjingJiangsu 210029China

Genetic variants in super-enhancers(SEs)are increasingly implicated as a disease risk-driving *** studies have reported an associations between benzo[a]pyrene(BaP)exposure and some malignant tumor ***,it is unclear whether BaP is involved in the effect of genetic variants in SEs on prostate cancer risk,nor the associated intrinsic molecular *** the current study,by using logistic regression analysis,we found that rs5750581T>C in 22q-SE was significantly associated with prostate cancer risk(odds ratio=1.26,P=7.61×10^(-5)).We also have found that the rs6001092T>G,in a high linkage disequilibrium with rs5750581T>C(r^(2)=0.98),is located in a regulatory aryl hydrocarbon receptor(AhR)motif and may interact with the FAm227A promoter in further bioinformatics *** then performed a series of functional and BaP acute exposure experiments to assess biological function of the genetic variant and the target ***,the rs6001092-G allele strengthened the transcription factor binding affinity to AhR,thereby upregulating FAm227A,especially upon exposure to BaP,which induced the malignant phenotypes of prostate *** current study highlights that AhR acts as an environmental sensor of BaP and is involved in the SE-mediated prostate cancer risk,which may provide new insights into the etiology of prostate cancer associated with the inherited SE variants under environmental carcinogen stressors.

关键词： super-enhancer prostate cancer genetic variants AhR BaP FAm227A

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Transverse momentum balance of dijets in Xe+Xe collisions at the LHC

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Nuclear Science and Techniques 2024年第7期35卷 137-146页

作者： Yao Li Shu-Wan Shen Sa Wang ben-Wei Zhang Key Laboratory of Quark&Lepton Physics(mOE)and Institute of Particle Physics Central China Normal UniversityWuhan430079China College of Science China Three Gorges UniversityYichang443002China Center for Astronomy and Space Sciences and Institute of modern Physics China Three Gorges UniversityYichang443002China Guangdong-Hong Kong Joint Laboratory of Quantum matter Guangdong Provincial Key Laboratory of Nuclear ScienceSouthern Nuclear Science Computing CenterSouth China Normal UniversityGuangzhou510006China

We present a theoretical study of the medium modifications of the Pr balance(xJ)of dijets in Xe+Xe cllions at√SNN=5.44 *** initial production of dijets was carried out using the POWHEG+PYTHLA8 prescription,which matches the next-to-leading-order(NLO)QCD matrix elements with the parton shower(PS)*** SHELL model described the in-medium evolution of nucleus-nucleus collisions using a transport *** theoretical results of the dijet xJ in the Xe+Xe collisions exhibit more imbalanced distributions than those in thep+p collisions,consistent with recently reported ATLAS *** utilizing the Interleaved Flavor Neutralisation,an infrared-and-collinear-safe jet flavor algorithm,to identify the flavor of the reconstructed jets,we classify dijets processes into three categories:glucn-gluon(gg),quark-gluon(qg),and quark-quark(qq),and investigated the respective medium modification *** fraction changes of the 9g,qg,and qq components of the dijet sample in Xe+Xe *** is shown that the increased fraction of qg component at a small xJ contributes to the imbalanceof the dijet;in particular,the 9192(quark-jet-leading)dijets experience more significant asymmetric energy loss than the 9192(gluon-jet-leading)dijets traversing *** comparing the O(xz)=(x)pp-(xJ)AA ofincdusive,cc and b6 dijets in Xe+Xe cllions,we observe△(xj)inal.>△(xj)cε>△(xj)***,Pxe,Pb,the ratios of the nuclear modification factors of dijets in Xe+Xe to those in Pb+Pb,were calculated,which indicates that the yield suppression of dijets in Pb+Pb is more pronounced than that in Xe+Xe owing to the larger radius of the lead nucleus.

关键词： Heavy-ion collisions Quark-gluon plasma Jet quenching Transverse momentum balance

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A Survey on model Predictive Control of DFIGs in Wind Energy Conversion Systems

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CSEE Journal of Power and Energy Systems 2024年第3期10卷 1085-1104页

作者： Shuo Yan Junyu chen minghao Wang Yongheng Yang Jose m.Rodriguez STEm College RMIT UniversityMelbourneAustralia Hong Kong Polytechnic University Hong KongChina State Key Laboratory of Internet of Things for Smart City(Um) Department of Electrical and Computer EngineeringUniversity of MacaoMacaoChina College of Electrical Engineering Zhejiang UniversityHangzhou 310027China Universidad San Sebastin Campus BellavistaSantiago de ChileCLSantiago de Chile 000000Chile IEEE

This paper presents a comprehensive study on the model predictive control(mPC)of doubly fed induction generators(DFIG)in wind energy conversion systems(WECS);in particular the mPC of the rotor side *** general principle of prevalent mPC strategies is discussed to introduce the theoretical framework in the first ***,mainstream and high-performance mPC methods of DFIGs have been identified as model predictive current control(mPCC),model predictive torque control(mPTC),and model predictive power control(mPPC).Starting from analyzing dynamic models,these mPC strategies are investigated in terms of operating principles and technical *** paper further investigates implementation of mPC strategies in unbalanced *** on the quantitative and qualitative analysis of several case studies,performance of various mPC schemes is compared and their special features are *** for designing mPC strategies of DFIGs in WECS are provided.

关键词： Doubly fed induction generator(DFIG) model predictive control(mPC) wind energy

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Genetic variation of circHIBADH enhances prostate cancer risk through regulating HNRNPA1-related RNA splicing

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Journal of Biomedical Research 2024年第4期38卷 358-368页

作者： Yifei cheng Rongjie Shi Shuai ben Silu chen Shuwei Li Junyi Xin meilin Wang Gong cheng Department of Environmental Genomics Jiangsu Key Laboratory of Cancer BiomarkersPrevention and TreatmentCollaborative Innovation Center for Cancer Personalized MedicineNanjing Medical UniversityNanjingJiangsu 211166China Department of Urology the First Affiliated Hospital of Nanjing Medical UniversityNanjingJiangsu 210029China Department of Bioinformatics School of Biomedical Engineering and InformaticsNanjing Medical UniversityNanjingJiangsu 211166China Jiangsu Cancer Hospital Jiangsu Institute of Cancer Researchthe Affiliated Cancer Hospital of Nanjing Medical UniversityNanjingJiangsu 210009China The Affiliated Suzhou Hospital of Nanjing medical University Suzhou Municipal HospitalGusu SchoolNanjing Medical UniversitySuzhouJiangsu 215002China

The current study aimed to investigate associations of circRNAs and related genetic variants with the risk of prostate cancer(PCa)as well as to elucidate biological mechanisms underlying the *** first compared expression levels of circRNAs between 25 paired PCa and adjacent normal tissues to identify riskassociated circRNAs by using the miOncoCirc *** then used logistic regression models to evaluate associations between genetic variants in candidate circRNAs and PCa risk among 4662 prostate cancer patients and 3114 healthy controls,and identified circHIBADH rs11973492 T>C as a significant risk-associated variant(odds ratio=1.20,95%confidence interval:1.08-1.34,P=7.06×10^(-4))in a dominant genetic model,which altered the secondary structure of the corresponding RNA *** the in silico analysis,we found that circHIBADH sponged and silenced 21 RNA-binding proteins(RBPs)enriched in the RNA splicing pathway,among which HNRNPA1 was identified and validated as a hub RBP using an external RNA-sequencing data as well as the in-house(four tissue samples)and publicly available single-cell ***,we demonstrated that HNRNPA1 influenced hallmarks including mYC target,DNA repair,and E2F target signaling pathways,thereby promoting *** conclusion,genetic variants in circHIBADH may act as sponges and inhibitors of RNA splicing-associated RBPs including HNRNPA1,playing an oncogenic role in PCa.

关键词： genetic variants prostate cancer circRNA RNA-binding protein RNA splicing sing-cell RNA sequencing

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