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Sensitive humidity sensor based on moisture-driven energy generation

Nano Research 2024年第6期17卷 5578-5586页

作者： qingchao Ni qing Lou Chenglong shen Guangsong Zheng Runwei Song Jingnan Hao Jialu Liu Jinyang Zhu Jinhao Zang Lin Dong Chong-Xin Shan Henan Key Laboratory of Diamond Optoelectronic Materials and Devices Key Laboratory of Materials PhysicsMinistry of Educationand School of Physics and MicroelectronicsZhengzhou UniversityZhengzhou 450052China State Centre for International Cooperation on Designer Low-Carbon&Environmental Materials and School of Materials Science and EngineeringZhengzhou UniversityZhengzhou 450001China

The emergence of novel self-powered humidity sensors has attracted considerable attention in the fields of smart electronic devices and personal ***,self-powered humidity sensors have been fabricated using a moisture-driven energy generation(MEG)device based on asymmetric tubular graphitic carbon nitride(g-CN)films prepared on anodized aluminum(AAO)*** a relative humidity(RH)of 96%,the MEG device can provide an open-circuit voltage of 0.47 V and a short-circuit current of 3.51μA,with a maximum output power of 0.08μ*** inherent self-powered ability and humidity response via current variation,an extraordinary response of 1.78×106%(41%-96%RH)can be gained from the MEG *** possible power generation mechanism is that g-CN/AAO heterostructure can form ion gradient and diffusion under the action of moisture to convert chemical potential into electrical potential,evoking a connaturally sensitive response to ***-powered respiration monitoring device based on the sensor is designed to monitor human movement(sitting,warming up,and running)and sleep status(normal,snoring,and apnea),maintaining excellent stability during cumulative 12-h respiration *** self-powered humidity sensing technology has promising potential for extensive integration into smart electronic and round-the-clock health monitoring devices.

关键词： graphitic carbon nitride moisture-driven energy generation humidity sensor respiration monitoring

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Enhancement of polymyxin B1 production by an artificial microbial consortium of Paenibacillus polymyxa and recombinant Corynebacterium glutamicum producing precursor amino acids

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Synthetic and Systems Biotechnology 2024年第1期9卷 176-185页

作者： Hui-Zhong Sun Si-Yu Wei Qiu-Man Xu Wei Shang qing Li Jing-sheng Cheng Ying-Jin yuan Frontiers Science Center for Synthetic Biology and Key Laboratory of Systems Bioengineering(Ministry of Education) School of Chemical Engineering and TechnologyTianjin UniversityYaguan Road 135Jinnan DistrictTianjin300350PR China Tianjin Key Laboratory of Animal and Plant Resistance College of Life ScienceTianjin Normal UniversityBinshuixi Road 393Xiqing DistrictTianjin300387PR China Department of Pharmaceutical School of Chemical Engineering and TechnologyTianjin UniversityYaguan Road 135Jinnan DistrictTianjin300350PR China

Polymyxin B,produced by Paenibacillus polymyxa,is used as the last line of defense *** this study,exogenous mixture of precursor amino acids increased the level and proportion of polymyxin B1 in the total of polymyxin B analogs of *** CJX518-AC(PPAC)from 0.15 g/L and 61.8%to 0.33 g/L and 79.9%,*** co-culture of strain PPAC and recombinant Corynebacterium glutamicum-leu01,which produces high levels of threonine,leucine,and isoleucine,increased polymyxin B1 production to 0.64 g/*** strains PPAC and ***-leu01 simultaneously inoculated into an optimized medium with 20 g/L peptone,polymyxin B1 production was increased to 0.97 g/***,the polymyxin B1 production in the co-culture of strains PPAC and ***-leu01 increased to 2.21 g/L after optimized inoculation ratios and fermentation medium with 60 g/L *** study provides a new strategy to improve polymyxin B1 production.

关键词： Polymyxin Co-culture Paenibacillus polymyxa Corynebacterium glutamicum Medium optimization Metabolic precursors

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Disruption of cyclin D1 degradation leads to the development of mantle cell lymphoma

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Acta Pharmaceutica Sinica B 2024年第7期14卷 2977-2991页

作者： Ke Lu Ming Zhang Hongyu Qin Siyu shen Haiqing Song Hua Jiang Chunxiang Zhang Guozhi Xiao Liping Tong qing Jiang Di Chen Research Center for Computer-aided Drug Discovery Shenzhen Institute of Advanced TechnologyChinese Academy of SciencesShenzhen 518055China Faculty of Pharmaceutical Sciences Shenzhen Institute of Advanced TechnologyShenzhen 518055China Oncology Department Johns Hopkins University School of MedicineBaltimoreMD 21205USA Division of Spine Surgery the First Affiliated Hospital of Guangxi Medical UniversityNanning 530021China Division of Sports Medicine and Adult Reconstructive Surgery Department of Orthopedic SurgeryNanjing Drum Tower HospitalAffiliated Hospital of Medical SchoolState Key Laboratory of Pharmaceutical BiotechnologyNanjing UniversityNanjing 210008China Wenzhou Institute University of Chinese Academy of SciencesWenzhou 325000China Department of Cardiology Basic Medicine Innovation Center for Cardiometabolic Diseases of Ministry of EducationInstitute of Cardiovascular Researchthe Affiliated HospitalSouthwest Medical UniversityLuzhou 646000China School of Medicine Southern University of Science and TechnologyShenzhen 518055China

Cyclin D1 has been recognized as an oncogene due to its abnormal upregulation in different types of ***,we demonstrated that cyclin D1 is SUMOylated,and we identified Itch as a specific E3 ligase recognizing SUMOylated cyclin D1 and mediating SUMO-induced ubiquitination and proteasome degradation of cyclin *** generated cyclin D1 mutant mice with mutations in the SUMOylation site,phosphorylation site,or both sites of cyclin D1,and found that double mutant mice developed a Mantle cell lymphoma(MCL)-like *** showed that arsenic trioxide(ATO)enhances cyclin D1 SUMOylation-mediated degradation through inhibition of cyclin D1 deSUMOylation enzymes,leading to MCL cell *** of severe combined immunodeficiency(SCID)mice grafted with MCL cells with ATO resulted in a significant reduction in tumor *** this study,we provide novel insights into the mechanisms of MCL tumor development and cyclin D1 regulation and discover a new strategy for MCL treatment.

关键词： Cyclin D1 SUMOylation Mantle cell lymphoma Arsenic trioxide SENP2 Proteasome degradation

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Circ_0053943 complexed with IGF2BP3 drives uveal melanoma progression via regulating N6-methyladenosine modification of Epidermal growth factor receptor

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Oncology Research 2024年第5期32卷 983-998页

作者： ANDI ZHAO YUE WANG ZIJIN WANG qing SHAO QI GONG HUI ZHU SHIYA shen HU LIU XUEJUAN CHEN Department of Ophthalmology The First Affiliated Hospital with Nanjing Medical UniversityNanjing210029China The First Clinical Medical College Nanjing Medical UniversityNanjing211166China Department of Ophthalmology Nanjing First HospitalNanjing Medical UniversityNanjing210006China

Numerous studies have characterized the critical role of circular RNAs(circRNAs)as regulatory factors in the progression of multiple ***,the biological functions of circRNAs and their underlying molecular mechanisms in the progression of uveal melanoma(UM)remain *** this study,we identified a novel circRNA,circ_0053943,through re-analysis of UM microarray data and quantitative ***_0053943 was found to be upregulated in UM and to promote the proliferation and metastatic ability of UM cells in both in vitro and in vivo ***,circ_0053943 was observed to bind to the KH1 and KH2 domains of insulin-like growth factor 2 mRNA-binding protein 3(IGF2BP3),thereby enhancing the function of IGF2BP3 by stabilizing its target *** sequencing assays identified epidermal growth factor receptor(EGFR)as a target gene of circ_0053943 and IGF2BP3 at the transcriptional *** assays demonstrated that circ_0053943 exerts its biological function by stabilizing EGFR mRNA and regulating the downstream mitogen-activated protein kinase/extracellular signal-regulated kinase(MAPK/ERK)signaling ***,circ_0053943 may promote UM progression by stabilizing EGFR mRNA and activating the MAPK/ERK signaling pathway through the formation of a circ_0053943/IGF2BP3/EGFR RNA-protein ternary complex,thus providing a potential biomarker and therapeutic target for UM.

关键词： Uveal melanoma Hsa_circ_0053943 IGF2BP3 EGFR MAPK/ERK signaling pathway

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Indirubin alleviates retinal neurodegeneration through the regulation of PI3K/AKT signaling

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Journal of Biomedical Research 2024年第3期38卷 256-268页

作者： Huan Li Huiying Zhang Lushu Chen Yaming shen yuan Cao Xiumiao Li Jin Yao Department of Ophthalmology the Affiliated Eye Hospital of Nanjing Medical UniversityNanjingJiangsu 210029China Department of Ophthalmology the Fourth School of Clinical MedicineNanjing Medical UniversityNanjingJiangsu 210029China

Retinal neurodegenerative disease is a leading cause of blindness among the elderly in developed countries,including glaucoma,diabetic retinopathy,traumatic optic neuropathy and optic neuritis,*** current clinical treatment is not very *** investigated indirubin,one of the main bioactive components of the traditional Chinese medicine Danggui Longhui Pill,in the present study for its role in retinal *** exhibited no detectable tissue toxicity in vivo or cytotoxicity in ***,indirubin improved visual function and ameliorated retinal neurodegeneration in mice after optic nerve crush injury in ***,indirubin reduced the apoptosis of retinal ganglion cells induced by oxidative stress in *** addition,indirubin significantly suppressed the increased production of intracellular reactive oxygen species and the decreased activity of superoxide dismutase induced by oxidative ***,indirubin played a neuroprotective role by regulating the PI3K/AKT/BAD/BCL-2 *** conclusion,indirubin protected retinal ganglion cells from oxidative damage and alleviated retinal neurodegeneration induced by optic nerve crush *** present study provides a potential therapeutic medicine for retinal neurodegenerative diseases.

关键词： retinal neurodegenerative disease oxidative stress PI3K/AKT retinal ganglion cell apoptosis

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In-situ growth of MIL-53(Fe)on charcoal sponge as a highly efficient and recyclable photocatalyst for removal of Cr(Ⅵ)

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Rare Metals 2024年第9期43卷 4344-4355页

作者： Zhuo-Fan Yu Ye Yang Hai-Feng Zhuang sheng-Dao Shan Mihail-Simion Beldean-Galea qing-Quan Xue Xiao-Feng shen Shi-Jie Li Key Laboratory of Recycling and Eco-Treatment of Waste Biomass of Zhejiang Province School of Environmental and Natural ResourcesZhejiang University of Science and TechnologyHangzhou 310023China Faculty of Environmental Science and Engineering Babes-Bolyai University400294 Cluj-NapocaRomania Key Laboratory of Pollution Exposure and Health Intervention of Zhejiang Province Interdisciplinary Research Academy(IRA)Zhejiang Shuren UniversityHangzhou 310015China National Engineering Research Center for Marine Aquaculture Institute of Innovation&ApplicationZhejiang Ocean UniversityZhoushan 316022China

The application of metalDorganic frameworks(MOFs)is hindered by several crucial factors,including low photocatalytic efficiency,poor stability and challenges in *** this study,MIL-53(Fe)was grown in situ on a charcoal sponge(CS)with a large surface area,excellent mechanical properties,and high photocatalytic efficiency using a solvothermal method,thus addressing the above-mentioned shortcomings of MOF ***,CS/MIL-53(Fe)has an amazing light-harvesting capacity in the visible range,leading to a significant improvement in the utilization of *** results of the experiments indicate that CS/MIL-53(Fe)displays a higher photocatalytic activity(87%Cr(Ⅵ))when exposed to visible light than CS(58%)or MIL-53(Fe)(27%),attributing to the increased separation of photogenerated carriers.e-is the main reactive radical and dominates the photocatalytic reduction process,rooting from that e-can reduce Cr(Ⅵ)to low-toxicity Cr(Ⅲ).This study presents a novel method for constructing photocatalysts with large surface areas,superior mechanical characteristics,and enhanced photocatalytic ***,it achieves the resource utilization of agricultural and forestry waste.

关键词： Cr(Ⅵ) Charcoal sponge MIL-53(Fe) Photocatalysis Light absorption

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Rational design of unrestricted pRN1 derivatives and their application in the construction of a dual plasmid vector system for Saccharolobus islandicus

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mLife 2024年第1期3卷 119-128页

作者： Pengpeng Zhao Xiaonan Bi Xiaoning Wang Xu Feng Yulong shen Guanhua yuan Qunxin She CRISPR and Archaea Biology Research Center State Key Laboratory of Microbial Technology and Microbial Technology InstituteShandong UniversityQingdaoChina

Saccharolobus islandicus REY15A represents one of the very few archaeal models with versatile genetic tools,which include efficient genome editing,gene silencing,and robust protein expression ***,plasmid vectors constructed for this crenarchaeon thus far are based solely on the pRN2 cryptic *** this plasmid coexists with pRN1 in its original host,early attempts to test pRN1-based vectors consistently failed to yield any stable host-vector system for *** hypothesized that this failure could be due to the occurrence of CRISPR immunity against pRN1 in this *** identified a putative target sequence in orf904 encoding a putative replicase on pRN1(target N1).Mutated targets(N1a,N1b,and N1c)were then designed and tested for their capability to escape the host CRISPR immunity by using a plasmid inter-ference *** results revealed that the original target triggered CRISPR immunity in this archaeon,whereas all three mutated targets did not,indicating that all the designed target mutations evaded host *** mutated targets were then incorporated into orf904 individually,yielding corresponding mutated pRN1 backbones with which shuttle plasmids were constructed(pN1aSD,pN1bSD,and pN1cSD).*** transformation revealed that pN1aSD and pN1bSD were functional shuttle vectors,but pN1cSD lost the capability for *** results indicate that the missense mutations in the conserved helicase domain in pN1c inactivated the *** further showed that pRN1-based and pRN2-based vectors were stably maintained in the archaeal cells either alone or in combination,and this yielded a dual plasmid system for genetic study with this important archaeal model.

关键词： archaeal genetics CRISPR-Cas CRISPR escape mutations dual plasmid vectors Saccharolobus-E.coli shuttle vectors

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Proliferating cell nuclear antigen of Ulva prolifera is involved in the response to temperature stress

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Journal of Oceanology and Limnology 2024年第4期42卷 1227-1241页

作者： Hongyan HE Juanjuan YANG yuan HE Xiuwen YANG Caiwei FU Dongren ZHANG Jingwei DONG Aurang ZEB Jing QU Songdong shen School of Biology&Basic Medical Sciences Soochow UniversitySuzhou 215101China Department of Pathology Affiliated Hospital and Medical School of Nantong UniversityNantong 226001China

Ulva prolifera is the most common specie causative to green tide,and its growth is sensitive to temperature ***,the mechanisms of *** response to temperature stress remain *** this study,high temperature(36℃)stimulus promoted the death of unformed cell wall protoplasts and delayed the division of formed cell wall protoplasts,while low-temperature(4℃)stimulus did not,suggesting that the mechanisms of the response of *** to high and low temperature stresses are *** results show that proliferation-related genes were differentially expressed under high and low-temperature stresses,especially the proliferating cell nuclear antigen(PCNA)and cyclins(CYCs).Subsequently,the interaction between PCNA and Cyclin A was confirmed by Co-immunoprecipitation,yeast two-hybrid,and so ***,high-and low temperature stresses induced the expression of PCNA and Cyclin A in varying of degrees,and activated extracellular signal-regulated kinase(ERK)signal *** results suggest,PCNA,Cyclin A,and ERK signal pathway played important roles in the resistance of *** to temperature ***,high-temperature stress induced an increase of miR-2916 in abundance,and exhibiting reverse expression of PCNA;and PCNA was target gene of miR-2916,suggesting that miR-2916 protected *** from high-temperature stress via post-transcriptionally regulation of *** study laid a foundation for understanding the function of PCNA and Cyclin A,moreover,it has a guiding significance to explore the mechanisms of the response to temperature stress from proliferation-related genes regulatory networks in ***.

关键词： UIva prolifera proliferating cell nuclear antigen Cyclin A extracellular signal-regulated kinase microRNA temperature stress

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Structural engineering of hard carbon through spark plasma sintering for enhanced sodium-ion storage

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Rare Metals 2024年第9期43卷 4274-4285页

作者： Hao-Ming Xiao Heng Zheng Ping yuan Jun-Hui Luo Lin-Lin shen Jie-Feng Tan Xian-You Luo De Li Yong Chen Guangdong Key Laboratory for Hydrogen Energy Technologies School of Materials Science and Hydrogen EnergyFoshan UniversityFoshan 528000China State Key Laboratory of Marine Resource Utilization in South China Sea Hainan Provincial Key Laboratory of Research on Utilization of Si-Zr-Ti ResourcesHainan UniversityHaikou 570228China

Hard carbon(HC)has emerged as one of the superior anode materials for sodium-ion batteries(SIBs),with its electrochemical performance significantly influenced by the presence of oxygen functional groups and its closed pore ***,current research on the structural adjustment of these oxygen functional groups and the closed pore architecture within HC remains ***,energy-efficient and contamination-free spark plasma sintering technology was employed to tune the structure of coconut-shell HC,resulting in significant adjustments to the content of carboxyl(decreasing from 5.71 at%to 2.12 at%)and hydroxyl groups(decreasing from 7.73 at%to 6.26 at%).Crucially,these modifications reduced the irreversible reaction of oxygen functional groups with Na^(+).Simultaneously,a substantial number of closed pores with an average diameter of 1.22 nm were generated within the HC,offering an ideal environment for efficient Na^(+)*** structural changes resulted in a remarkable improvement in the electrochemical performance of the modified *** reversible specific capacity of the modified HC surged from 73.89 mAh·g^(-1)to an impressive 251.97 m Ah·g^(-1)at a current density of 50 mA·g^(-1).Even at 400 mA·g^(-1),the reversible specific capacity increased significantly from 14.55 to 85.44 mAh·g^(-1).Hence,this study provides a novel perspective for designing tailored HC materials with the potential to develop high-performance SIBs.

关键词： Hard carbon Spark plasma sintering Sodiumion batteries Closed pores Oxygen functional groups

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Clinical efficacy of endovascular revascularization combined with vacuum-assisted closure for the treatment of diabetic foot

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World Journal of Diabetes 2024年第7期15卷 1499-1508页

作者： Feng-Rui Lei Xiao-Fei shen Chuang Zhang Xin-qing Li Hao Zhuang Hong-Fei Sang Department of Vascular Surgery The Second Affiliated Hospital of Soochow UniversitySuzhou 215004Jiangsu ProvinceChina

BACKGROUND The diabetic foot is a common cause of disability and death,and comorbid foot infections usually lead to prolonged hospitalization,high healthcare costs,and a significant increase in amputation *** most diabetic foot trauma is complicated by lower extremity arteriopathy,which becomes an independent risk factor for major amputation in diabetic foot *** To establish the efficacy and safety of endovascular revascularization(ER)combined with vacuum-assisted closure(VAC)for the treatment of diabetic *** Clinical data were collected from 40 patients with diabetic foot admitted to the Second Affiliated Hospital of Soochow University from April 2018 to April *** foot lesions were graded according to Wagner’s classification,and blood flow to the lower extremity was evaluated using the ankle-brachial index test and computerized tomography angiography of the lower extremity *** subcutaneous insulin infusion pumps were used to achieve glycemic *** limb revascularization was facilitated by percutaneous transluminal balloon angioplasty(BA)or *** were cleaned by nibbling *** granulation tissue growth was induced by VAC,and wound repair was performed by skin grafting or skin flap *** Of the 35 cases treated with lower limb revascularization,34 were successful with a revascularization success rate of 97%.Of these,6 cases underwent stenting after BA of the superficial femoral artery,and 1 received popliteal artery stent *** the 25 cases treated with infrapopliteal artery revascularization,39 arteries were reconstructed,7 of which were treated by drug-coated BA and the remaining 32 with plain old *** was performed in 32 ***-four cases of skin grafting and 2 cases of skin flap transplantation were *** patients underwent major amputations,whereas 17 had minor amputations,accounting for a success limb salvage rate of 95%.CONCLUSION ER in

关键词： Diabetic foot Revascularization Vacuum-assisted closure Balloon angioplasty Wound repair

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