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Ferulic acid alleviates long-term avermectin-induced damage to the spleen of carp and restores its inflammatory response and oxidative balance

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Journal of Environmental Sciences 2025年第5期151卷 616-626页

作者： Hanyu Wang Shenye Feng Enzhuang Pan Xiaomeng Ji Mengyuan Zhou Shuai Zhang Baoshi Xu Huimiao Feng Jilei Yin Zibo Dong jiangsu Key Laboratory of Marine Bioresources and Environment Co-Innovation Center of Jiangsu Marine Bio-industry TechnologyJiangsu Marine Pharmaceutical Resources Development Engineering Research CenterJiangsu Key Laboratory of Marine Pharmaceutical Compound ScreeningCollege of PharmacyJiangsu Ocean UniversityLianyungang 222005China Department of Traditional Chinese Medicine Jiangsu Union Technical Institute Lianyungang Branch institute of Traditional Chinese MedicineLianyungang 222006China

Extensive use of avermectin(AVM)in agriculture can seriously contaminate fish in *** acid(FA)is a strong antioxidant sourced from plants and is widely applied in food and medicine,but its protective function on the immunological damage caused by AVM is still *** this study,carp were chronically exposed to(1/1096 hr LC_(50))AVM for 30 day(s),with a dietary supplement of FA(400 mg/kg)to assess its effects on carp *** experimental groups(n=10)included:control,AVM-exposed(2.404μg/L),FA+AVM co-treated,and FA ***-term AVM exposure altered spleen tissue,reducing serum complement C3(p<0.01)and immunoglobulin M levels(p<0.001),and increasing proinflammatory tnf-α(p<0.001),il-6(p<0.001),il-1β(p<0.001),and inos mRNA levels,whilst down-regulating the anti-inflammatory tgf-β(p<0.05).Additionally,it disrupted the balance of oxidative stress indicators such asMDA(p<0.001),T-AOC,GSH,and CAT,leading to spleen tissue apoptosis(42.4%).However,the addition of FA reversed these conditions,elevated the anti-inflammatory factor,and improved spleen immune function following chronic exposure to AVMin ***,the ability to restore oxidative homeostasis in carp by adjusting the Nrf2/NQO-1 axis protected the health of spleen *** discovery also supports the development of fish feed for aquaculture.

关键词： Avermectin Ferulic acid Oxidative stress Inflammation response

Influence of Rhamnolipids Biosurfactant on the Anodic Electrochemical Performance in Marine Sediment Microbial Fuel Cell and the Acceleration Degradation of Crude Petroleum

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Journal of ocean university of China 2025年第1期24卷 139-146页

作者： HOU Luyao ZAI Xuerong MENG Yao LIANG Shengkang CAO Yali CHEN Yan ZHANG Huaijing HUANG Xiang FU Yubin College of Materials Science and Engineering Ocean University of ChinaQingdao 266100China College of Chemistry and Chemical Engineering Ocean University of ChinaQingdao 266100China College of Marine Geosciences Ocean University of ChinaQingdao 266100China

Crude petroleum pollution causes some serious ecological disasters in the *** sediment microbial fuel cells(MSMFCs)have been utilized as a novel method for in-situ degradation and a long-term power ***,the effect of different concentrations of rhamnolipids biosurfactant on the electrochemical performance of MSMFCs anode and the higher efficiency of oil degradation are creatively *** results indicate that the anode in sediment containing rhamnolipids effectively enriches the indigenous electrogenic Pseudophaeobacter and Pseudomonas,which significantly enhances the electrochemical performance of the *** rhamnolipids at the concentration of 200 mg kg^(-1)in sediment,the anode specific capacitance(401.45 Fm^(-2)),exchange current density(4.87×10^(-2)mAm^(-2)),and cell maximum power density(140.24 mWm^(-2))increase by 2.50,38.65,and 2.11 times,respectively,in comparison with its natural *** the oil degradation rate(40.06%)was higher than the blank(17.55%).It demonstrates that the synergistic effect between electrochemical catalytic degradation and emulsifying solubilization of rhamnolipids surfactant directly accelerates the degradation of petroleum in marine sediment,which will provide a novel method and theoretical guidance for in-situ degradation and efficient removal of crude petroleum on ocean floor.

关键词： marine sediment microbial fuel cells petroleum pollution rhamnolipids biosurfactant electrochemical performance

Down-regulation of SEIPIN transcription attenuated the triacylglycerol accumulation in Nannochloropsis oceanica

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Journal of oceanology and Limnology 2025年第1期43卷 187-195页

作者： Lixian LIU Li GUO Hang LIU Xiaohui PAN Yanan ZONG Leili FENG Guanpin YANG College of Marine Life Sciences Ocean University of ChinaQingdao 266003China Institutes of Evolution and Marine Biodiversity Ocean University of ChinaQingdao 266003China Key Laboratory of Marine Genetics and Breeding of Ministry of Education Ocean University of ChinaQingdao 266003China MoE Laboratory of Evolution and Marine Biodiversity Ocean University of ChinaQingdao 266003China

Abnormal content of protein SEIPIN causes Berardinelli-Seip congenital lipodystrophy type 2(BSCL2)in *** studies have shown that Arabidopsis thaliana has evolved three SEIPIN homologs,determining the fusion and size of lipid *** oceanica is a model oleaginous microalga with the accumulation potential of fatty *** believe that the SEIPIN homolog if any in *** should function as it does in humans,plant among *** this study,we identified a homologous gene of SEIPIN in ***,constructed a bacterial plasmid containing the elements controlling the transcription of its complete antisense RNA,and integrated the linearized plasmid into the *** *** obtained a transformant in which the abundance of SEIPIN transcript is significantly *** cytometry analysis showed that the triacylglycerol(TAG)content of the transformant is significantly lower than that of the wild type(WT).Transcriptomic analysis showed that the down-regulation of SEIPIN transcript abundance could affect the protein functioning in endoplasmic reticulum(ER),implying that SEIPIN gene can function in *** in a similar way to that in ***.

关键词： Nannochloropsis oceanica antisense RNA SEIPIN neutral lipid

Statistical Research on Megahertz-peaked Spectra Pulsars

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Research in Astronomy and Astrophysics 2025年第1期25卷 116-134页

作者： Hong-Bing Cai Li Chen Shi-Dang Li Kai Wang Hang Liu JSNU SPBPU Institute of Engineering & SINO RUSSIAN Institute Jiangsu Normal University School of Physics and Electronic Engineering Jiangsu Normal University

Megahertz-peaked spectra(MPS) pulsars are referred as cases whose radio spectra turn over around 100 MHz. We identified 53 MPS pulsars based on the spectral data from the literature, and statistically analyzed the spatial location distribution, the magnetic field-period distribution, peak frequencies, spectral indices, and dispersion measures of these MPS pulsars. We found that there is a strong positive correlation between the dispersion measures and the peak frequencies of MPS pulsars, and negative correlations of the dispersion measures with spectral indices and the ages are also found. Such correlations suggest that the interstellar medium is an important factor that affects observational properties of MPS pulsars.

关键词： (stars:) pulsars: general ISM: general radio continuum: general

Effect of sea surface temperature during critical early life history stages of Portunus trituberculatus on later yield

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Journal of oceanology and Limnology 2025年第1期43卷 313-325页

作者： Kaiming XIA Baogui LIU Jiale QIAO Yingbin WANG School of Fishery Zhejiang Ocean UniversityZhoushan 316022China

The early life stages of marine organisms are pivotal in shaping community dynamics and resource *** this study,we focused on Portunus trituberculatus,a crustacean integral to China's fisheries economy,and examined the effect of sea surface temperature(SST)in its critical early life stages on subsequent *** analyze the correlation between SST in different larval stages and the corresponding yield of ***,we simulated the transport and distribution of larvae from 2014 to 2022 by employing circulation models and Lagrangian particle tracking experiments(LPTE).In the five years(2014,2015,2016,2019,and 2020),particles were transported in a northwestern direction and moved in the direction of low *** distribution of particles in the megalopa stage(M stage)were located in the region of the lower *** 2017,2018,and 2021,the particles were transported in a northeastern direction but they did not move with the gradient of low SST in these years,and the particles in the last M stage were located in the region where the SST was at the peak of the time *** 2022,the distribution was observed for most of the particles in the southwestern part of Zhejiang coast,a small part of them were transported in the northwestern direction and a small amount of particles was distributed offshore along the northern area of the Zhejiang *** correlations between the SST at each stage of larvae with the corresponding year's yield showed that the yield of *** decreased significantly(R=-0.772,P=0.015)with increasing SST at the M *** study preliminarily explains the correlation between SST at the larval stage and the yield of *** and provides essential information for scientific stock enhancement in the future.

关键词： East China Sea swimming crab(Portunus trituberculatus) larval stage development Lagrangian particle tracking spatial-temporal dynamics sea surface temperature

A wearable sensor device based on screen-printed chip with biofuel cell-driven electrochromic display for noninvasive monitoring of glucose concentration

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Chinese Chemical Letters 2025年第2期36卷 441-445页

作者： Kezuo Di Jie Wei Lijun Ding Zhiying Shao Junling Sha Xilong Zhou Huadong Heng Xujing Feng Kun Wang School of Chemistry and Chemical Engineering Jiangsu University Key Laboratory for Theory and Technology of Intelligent Agricultural Machinery and Equipment Jiangsu University

Wearable flexible sensor devices have the characteristics of lightweight and ***,power supply and detection components limit the portability of wearable flexible sensor ***,conventional liquid electrolytes are unsuitable for the integration of sensing *** address these constraints,wearable biofuel cells and flexible electrochromic displays have been introduced,which can improve integration with other devices,safety,and color-coded display ***,electrode chips prepared through screen printing technology can further improve *** this work,a wearable sensor device with screen-printed chips was constructed and used for non-invasive detection of *** gel electrolytes doped with PDA-CNTs were prepared,and the mechanical strength and moisture retention were significantly improved compared with traditional gel *** in interstitial fluid was non-invasive extracted to the skin surface using reverse *** a biofuel for wearable biofuel cells,glucose drives self-powered sensor and electrochromic display to produce color change,allowing for visually measurement of glucose levels in body *** detection results can be visualized by reading the RGB value with a cell phone.

关键词： Biofuel cell Electrochromic display Screen-printed chip Visualization Wearable flexible sensor device

Monotropein Alleviates Sepsis-induced Spleen Injury by Inhibiting the NF-κB/NLRP3 Axis and Activating the Nrf2 Pathway

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Biomedical and Environmental Sciences 2025年第2期38卷 270-276页

作者： Le Bian Feibiao Wang Yue Yang Kunmei Xie Tingzhaoyun Hu Jiadai Tang Lei Wang Zibo Dong jiangsu Marine Pharmaceutical Resources Development Engineering Research Center Jiangsu Key Laboratory of Marine Pharmaceutical Compound ScreeningCollege of PharmacyJiangsu Ocean UniversityLianyungang 222005JiangsuChina Central Laboratory The Affiliated Lianyungang Hospital of Xuzhou Medical University(The First People’s Hospital of Lianyungang)Lianyungang 222000JiangsuChina

Sepsis is an inflammatory disease resulting from a dysregulated host response to infection that may lead to multiple organ failure and is commonly observed in patients with severe trauma or infectious *** has become a major global public health issue due to its high incidence and *** not only causes an excessive inflammatory response,but also leads to immune system dysfunction[1].

关键词： Sepsis Nrf2 trauma

Co/Co_(7)Fe_(3)heterostructures with controllable alloying degree on carbon spheres as bifunctional electrocatalyst forrechargeable zinc-air batteries

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International Journal of Minerals,Metallurgy and Materials 2025年第2期32卷 476-487页

作者： Junkang Chen Yongyue Zhuang Yanxin Qiao Yu Zhang Aihua Yuan Hu Zhou School of Materials Science and Engineering Jiangsu University of Science and TechnologyZhenjiang 212003China School of Environmental and Chemical Engineering Jiangsu University of Science and TechnologyZhenjiang 212003China

Exploring efficient and nonprecious metal electrocatalysts of oxygen reduction reaction(ORR)and oxygen evolution reaction(OER)is crucial for developing rechargeable zinc-air batteries(ZABs).Herein,an alloying-degree control strategy was employed to fabricate nitrogen-doped carbon sphere(NCS)decorated with dual-phase Co/Co_(7)Fe_(3)heterojunctions(CoFe@NCS).The phase composition of materials has been adjusted by controlling the alloying *** optimal CoFe_(0.08)@NCS electrocatalyst displays a half-wave potential of 0.80 V for ORR and an overpotential of 283 mV at 10 mA·cm^(-2)for OER in an alkaline *** intriguing bifunctional electrocatalytic activity and durability is attributed to the hierarchically porous structure and interfacial electron coupling of highly-active Co_(7)Fe_(3)alloy and metallic Co *** the CoFe_(0.08)@NCS material is used as air-cathode catalyst of rechargeable liquid-state zinc-air battery(ZAB),the device shows a high peak power-density(157 mW·cm^(-2))and maintains a stable voltage gap over 150 h,outperforming those of the benchmark(Pt/C+RuO_(2))-based *** particular,the as-fabricated solid-state flexible ZAB delivers a reliable compatibility under different bending *** work provides a promising strategy to develop metal/alloy-based electrocatalysts for the application in renewable energy conversion technologies.

关键词： bifunctional electrocatalysts oxygen reduction reaction oxygen evolution reaction zinc-air battery metal/alloy carbon sphere

Gradient age-precipitation behavior induced by gradient nano-grain in Mg-Gd-Ag-Zr alloy

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Journal of Iron and Steel Research International 2025年第1期32卷 19-24页

作者： Bang-jun Li Jia-peng Sun Jing Han Guo-song Wu College of Materials Science and Engineering Hohai UniversityNanjing 210024JiangsuChina School of Mechanical and Electrical Engineering China University of Mining and TechnologyXuzhou 221116JiangsuChina

Gradient nano-grained structure is frequently engineered into metallic materials,including Mg alloys,to achieve superior combination of strength and ***,the influence of this microstructural feature on aging precipitation behavior remains inadequately *** this study,the age-precipitation behavior of a gradient nano-grained Mg-Gd-Ag-Zr alloy prepared via ultrasonic severe surface rolling was *** result indicates that the aging precipitation behavior exhibits a depth-dependent variation within this *** the nano-grained surface layer,hierarchicalβnano-precipitates are predominant,while at greater depths,the precipitates consist ofβnanoparticles located at grain boundaries,along with intragranularβ′andγ″*** formation ofβnano-precipitates deviates from the conventional precipitation behavior observed in Mg-Gd-Ag alloys,and is attributed to the high density of defects induced by the surface nano-grained *** finding advances our understanding of the precipitation behavior in the alloys with heterogeneous microstructure.

关键词： Mg alloy Gradient Precipitation Aging behavior Microstructure