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Engineering Shewanella-re duce d graphene oxide aerogel biohybrid to efficiently synthesize Au nanoparticles

Journal of Materials Science & Technology 2024年第1期168卷 50-61页

作者： Baocai Zhang shulin shao Huan Yu Qijing Liu Sicheng Shi Qingyuan Wu Zijie Wu Yiyu Feng Yifei Wang Xi Sun Deguang Wu Feng Li Hao Song Frontier Science Center for Synthetic Biology and Key Laboratory of Systems Bioengineering(Ministry of Education) Tianjin UniversityTianjin 300072China Collaborative Innovation Center of Chemical Science and Engineering(Tianjin) School of Chemical Engineering and TechnologyTianjin UniversityTianjin 300072China Beijing Advanced Innovation Center for Soft Matter Science and Engineering Beijing University of Chemical TechnologyBeijing 100029China School of Materials Science and Engineering Tianjin UniversityTianjin 300350China College of Biological Engineering Tianjin Agricultural UniversityTianjin 300384China Department of Brewing Engineering Moutai InstituteLuban AveRenhuai 564507China

Biosynthesizing Au nanoparticles(AuNPs)from gold-bearing scraps provides a sustainable method to meet the urgent demand for ***,it remains challenging to efficiently biosynthesize AuNPs of which the diameter is less than 10 nm from a trace amount of Au^(3+)concentration at the level of tens ***,we constructed an exoelectrogenic cell(eCell)-conductive reduced-graphene-oxide aero-gel(rGA)biohybrid by assembling Shewanella sp.S1(SS1)as living biocatalyst and rGA as conductive ad-sorbent,in which Au^(3+)at trace concentrations would be enriched by the adsorption of rGA and reduced to AuNPs through the extracellular electron transfer(EET)of *** regulate the size of the synthe-sized AuNPs to 10 nm,the strain SS1 was engineered to enhance its EET,resulting in strain RS2(pYYD-P tac-ribADEHC&pHG13-P_(bad)-omcC in SS1).Strain RS2 was further assembled with rGA to construct the RS2-rGA biohybrid,which could synthesize AuNPs with the size of 7.62±2.82 nm from 60 ppm Au^(3+)*** eCell-rGA biohybrid integrated Au^(3+)adsorption and reduction,which enabled AuNPs biosyn-thesis from a trace amount of Au^(3+).Thus,the required Au^(3+)ions concentration was reduced by one or two orders of magnitude compared with conventional methods of AuNPs *** work devel-oped an AuNPs size regulation technology via engineering eCell’s EET with synthetic biology methods,providing a feasible approach to synthesize AuNPs with controllable size from trace level of gold ions.

关键词： Au nanoparticles Exoelectrogenic cell(e-Cell) Shewanella Synthesis biology Extracellular electron transfer Reduced graphene oxide aerogel

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微生物燃料电池堆栈的设计开发与应用进展

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天津大学学报（自然科学与工程技术版） 2023年第9期56卷 887-902页

作者：宋浩贾继朝张保财李锋邵舒琳天津大学化工学院天津300350 天津大学合成生物学前沿科学中心天津300350 天津大学系统生物工程教育部重点实验室天津300350

微生物燃料电池可将环境废水中的化学能转化为电能,并驱动和强化有机污染物降解,是生物电化学环境修复、清洁能源开发很有应用潜力的解决方案.目前,微生物燃料电池在实际应用中还存在着电池规模小、输出电能低等工程问题,成为限制其性... 详细信息

微生物燃料电池可将环境废水中的化学能转化为电能,并驱动和强化有机污染物降解,是生物电化学环境修复、清洁能源开发很有应用潜力的解决方案.目前,微生物燃料电池在实际应用中还存在着电池规模小、输出电能低等工程问题,成为限制其性能和规模化应用的核心瓶颈,因此需要对微生物燃料电池进行规模化放大.然而,单纯地增加单体微生物燃料电池的体积,将增加电池内阻,导致能量损失加大,限制微生物燃料电池输出功率进一步提高,不适合工程化应用.微生物燃料电池堆栈是在保持单体微生物燃料电池性能的基础上,通过将多个单体微生物燃料电池进行串并联连接,从而有效提高微生物燃料电池的输出电压、电流以及功率,是实现微生物燃料电池规模化放大的主要手段,已经广泛应用于复杂环境中低劣生物质发电、废水处理以及化学品合成等领域.本文基于微生物燃料电池堆栈的工作原理,从产电微生物、电极材料、电池结构以及电池传质等多个方面系统分析了影响微生物燃料电池堆栈性能的关键因素,总结了微生物燃料电池堆栈结构和电路管理系统的设计原理与工程技术,分析了微生物燃料电池堆栈的重点应用领域,并针对其未来的研究方向进行了展望,以促进微生物燃料电池堆栈的工业化应用.

关键词：微生物燃料电池堆栈技术生物能源产电微生物废物处理生物技术

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金合欢素对哮喘幼年大鼠的改善作用及机制

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中国药房 2024年第20期35卷 2466-2470页

作者：吕士申张忠文邵淑琳滕州市中心人民医院儿科三病区山东滕州277599 滕州市中心人民医院儿内科山东滕州277599

目的基于沉默信息调节因子1(SIRT1)/AMP活化蛋白激酶(AMPK)信号通路探讨金合欢素对哮喘幼年大鼠的改善作用及机制。方法将幼年SD大鼠随机分为对照组、哮喘组、金合欢素组(13.33 mg/kg,灌胃)、SIRT抑制剂EX-527组(1 mg/kg,腹腔注射)、金... 详细信息

目的基于沉默信息调节因子1(SIRT1)/AMP活化蛋白激酶(AMPK)信号通路探讨金合欢素对哮喘幼年大鼠的改善作用及机制。方法将幼年SD大鼠随机分为对照组、哮喘组、金合欢素组(13.33 mg/kg,灌胃)、SIRT抑制剂EX-527组(1 mg/kg,腹腔注射)、金合欢素+EX-527组(13.33 mg/kg金合欢素,灌胃+1 mg/kg EX-527,腹腔注射),每组12只(雌雄各半)。除对照组外,其余各组大鼠以腹腔注射卵清蛋白致敏+雾化吸入卵清蛋白增敏的方式复制哮喘模型。造模后,各药物组大鼠灌胃或(和)腹腔注射相应药液,每天1次,持续2周。末次给药后,检测其支气管肺泡灌洗液(BALF)中细胞总数、嗜酸性粒细胞数占比和白细胞介素5(IL-5)、IL-4、肿瘤坏死因子α(TNF-α)水平,观察肺组织病理形态学变化和杯状细胞异常增生情况,检测肺组织中丙二醛(MDA)、超氧化物歧化酶(SOD)水平,以及SIRT1、AMPK和过氧化物酶体增殖物激活受体γ共激活因子1α(PGC-1α)蛋白的表达情况。结果与对照组比较,哮喘组大鼠肺组织中有大量的炎症细胞浸润和明显的杯状细胞异常增生;BALF中细胞总数、嗜酸性粒细胞数占比和IL-5、IL-4、TNF-α水平,肺组织过碘酸希夫染色(PAS)评分,以及肺组织中MDA水平均显著升高(P<0.05);肺组织中SOD水平、SIRT1、PGC-1α蛋白的表达水平和AMPK蛋白的磷酸化水平均显著降低(P<0.05)。与哮喘组比较,金合欢素组大鼠肺组织的病理改变和杯状细胞异常增生均有所减轻,各定量指标均显著改善(P<0.05),而EX-527组大鼠肺组织的病理改变和杯状细胞异常增生均有所加重,各定量指标均显著恶化(P<0.05);联用EX-527可显著逆转金合欢素对哮喘幼年大鼠氧化应激及气道炎症的改善作用。结论金合欢素可抑制哮喘幼年大鼠的氧化应激和气道炎症,上述作用可能与激活SIRT1/AMPK信号通路有关。

关键词：金合欢素哮喘氧化应激气道炎症 SIRT1/AMPK信号通路幼年大鼠

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Constraints on holographic QCD phase transitions from PTA observations

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Science China(Physics,Mechanics & Astronomy) 2025年第1期Mechanics & Astronomy) .卷 71-78页

作者： Song He Li Li Sai Wang shao-Jiang Wang Center for Theoretical Physics and College of Physics Jilin University School of Physical Science and Technology Ningbo University Max Planck Institute for Gravitational Physics (Albert Einstein Institute) CAS Key Laboratory of Theoretical Physics Institute of Theoretical Physics Chinese Academy of Sciences School of Fundamental Physics and Mathematical Sciences Hangzhou Institute for Advanced StudyUniversity of Chinese Academy of Sciences (UCAS) School of Physical Sciences University of Chinese Academy of Sciences (UCAS) Theoretical Physics Division Institute of High Energy Physics Chinese Academy of Sciences

The underlying physics of QCD phase transition in the early Universe remains largely unknown due to its strong-coupling nature during the quark-gluon plasma/hadron gas transition, yet a holographic model has been proposed to quantitatively fit the lattice QCD data while with its duration of the first-order phase transition(FoPT) left undetermined. At specific baryon chemical potential, the first-order QCD phase transition agrees with the observational constraint of baryon asymmetry. It, therefore, provides a scenario for phase transition gravitational waves(GWs) within the standard model of particle physics. If these background GWs could contribute dominantly to the recently claimed common-spectrum red noise from pulsar timing array(PTA) observations, the duration of this FoPT can be well constrained, and the associated primordial black holes are still allowed by current observations.

关键词： pulsar timing array QCD phase transition gravitational waves primordial black holes

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Collaborative Trajectory Planning for Stereoscopic Agricultural Multi-UAVs Driven by the Aquila Optimizer

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Computers, Materials & Continua 2025年第1期82卷 1349-1376页

作者： Xinyu Liu Longfei Wang Yuxin Ma Peng shao School of Computer and Information Engineering Jiangxi Agricultural UniversityNanchang330045China

Stereoscopic agriculture,as an advanced method of agricultural production,poses new challenges for multi-task trajectory planning of unmanned aerial vehicles(UAVs).To address the need for UAVs to perform multi-task trajectory planning in stereoscopic agriculture,a multi-task trajectory planning model and algorithm(IEP-AO)that synthesizes flight safety and flight efficiency is *** on the requirements of stereoscopic agricultural geomorphological features and operational characteristics,the multi-task trajectory planning model is ensured by constructing targeted constraints at five aspects,including the path,slope,altitude,corner,energy and obstacle threat,to improve the effectiveness of the trajectory planning *** combined with the path optimization algorithm,an Aquila optimizer(IEP-AO)based on the interference-enhanced combination model is proposed,which can help UAVs to improve the trajectory search capability in complex operation space and large-scale operation tasks,and jump out of the locally optimal trajectory path region timely,to generate the optimal trajectory planning plan that can adapt to the diversity of the tasks and the flight ***,four simulated flights with different operation scales and different scene constraints were conducted under the constructed real 3Dimension scene,and the experimental results can show that the proposedmulti-task trajectory planning method canmeet themulti-task requirements in stereoscopic agriculture and improve the mission execution efficiency and agricultural production effect of UAV.

关键词： Stereoscopic agriculture unmanned aerial vehicle multi-task interference model Aquila optimizer

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急性慢性血糖比值对急性心力衰竭患者出院后易损期不良预后的评估价值

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中国医师进修杂志 2024年第2期47卷 153-157页

作者：邵淑琳钱夕芸南京市浦口区中医院检验科南京211800 南京市浦口区中医院ICU 南京211800

目的探讨急性慢性血糖比值对急性心力衰竭(AHF)患者出院后易损期不良预后的评估价值。方法回顾性收集2019年5月至2022年5月在南京市浦口区中医院治疗的98例AHF患者的临床资料,随访3个月,按照出院后易损期是否发生不良事件分为不良预后组... 详细信息

目的探讨急性慢性血糖比值对急性心力衰竭(AHF)患者出院后易损期不良预后的评估价值。方法回顾性收集2019年5月至2022年5月在南京市浦口区中医院治疗的98例AHF患者的临床资料,随访3个月,按照出院后易损期是否发生不良事件分为不良预后组(31例)和非不良预后组(67例)。根据入院时静脉血糖和糖化血红蛋白(HbA 1c)计算急性慢性血糖比值。采用Cox风险比例模型分析影响AHF患者易损期不良预后的因素,采用受试者工作特征(ROC)曲线评价急性慢性血糖比值对不良预后的预测价值。应用Kaplan-Meier法绘制生存曲线,比较不同急性慢性血糖比值分组患者不良预后的发生风险。结果两组心功能分级比较差异有统计学意义(P1.07组(43例)和急性慢性血糖比值≤1.07组(55例);生存分析结果显示,两组患者无终点事件生存率比较差异有统计学意义(P<0.01)。结论高急性慢性血糖比值的AHF患者出院后易损期不良预后发生风险高,急性慢性血糖比值可作为AHF患者易损期不良预后的预测指标。

关键词：急性心力衰竭易损期急性慢性血糖比值预后

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The effects of exercise interventions on brain-derived neurotrophic factor levels in children and adolescents:a meta-analysis

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Neural Regeneration Research 2025年第5期20卷 1513-1520页

作者： Xueyun shao Longfei He Yangyang Liu Physical Education School Shenzhen UniversityShenzhenGuangdong ProvinceChina Shenzhen Institute of Neuroscience ShenzhenGuangdong ProvinceChina

Brain-derived neurotrophic factor is a crucial neurotrophic factor that plays a significant role in brain health. Although the vast majority of meta-analyses have confirmed that exercise interventions can increase brain-derived neurotrophic factor levels in children and adolescents, the effects of specific types of exercise on brain-derived neurotrophic factor levels are still controversial. To address this issue, we used meta-analytic methods to quantitatively evaluate, analyze, and integrate relevant studies. Our goals were to formulate general conclusions regarding the use of exercise interventions, explore the physiological mechanisms by which exercise improves brain health and cognitive ability in children and adolescents, and provide a reliable foundation for follow-up research. We used the Pub Med, Web of Science, Science Direct, Springer, Wiley Online Library, Weipu, Wanfang, and China National Knowledge Infrastructure databases to search for randomized controlled trials examining the influences of exercise interventions on brain-derived neurotrophic factor levels in children and adolescents. The extracted data were analyzed using Review Manager 5.3. According to the inclusion criteria, we assessed randomized controlled trials in which the samples were mainly children and adolescents, and the outcome indicators were measured before and after the intervention. We excluded animal experiments, studies that lacked a control group, and those that did not report quantitative results. The mean difference(MD;before versus after intervention) was used to evaluate the effect of exercise on brain-derived neurotrophic factor levels in children and adolescents. Overall, 531 participants(60 children and 471 adolescents, 10.9–16.1 years) were included from 13 randomized controlled trials. Heterogeneity was evaluated using the Q statistic and I^(2) test provided by Review Manager software. The meta-analysis showed that there was no heterogeneity among the studies(P = 0.67,

关键词： adolescents brain-derived neurotrophic factor children exercise meta-analysis randomized controlled trials

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Molecular Structure Tailoring of Organic Spacers for High‑Performance Ruddlesden–Popper Perovskite Solar Cells

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Nano-Micro Letters 2025年第2期17卷 314-357页

作者： Pengyun Liu Xuejin Li Tonghui Cai Wei Xing Naitao Yang Hamidreza Arandiyan Zongping shao shaobin Wang shaomin Liu School of Materials Science and Engineering State Key Laboratory of Heavy Oil ProcessingChina University of Petroleum(East China)Qingdao 266580People’s Republic of China School of Chemistry and Chemical Engineering Shandong University of TechnologyZibo 255049People’s Republic of China Centre for Applied Materials and Industrial Chemistry(CAMIC) School of ScienceRMIT UniversityMelbourneVic 3000Australia WA School of Mines:Minerals Energy and Chemical Engineering(WASM‑MECE)Curtin UniversityPerthWA 6102Australia School of Chemical Engineering The University of AdelaideAdelaideSA 5005Australia School of Engineering Great Bay UniversityDongguan 523000People’s Republic of China

Layer-structured Ruddlesden–Popper(RP)perovskites(RPPs)with decent stability have captured the imagination of the photovoltaic research community and bring hope for boosting the development of perovskite solar cell(PSC)***,two-dimensional(2D)or quasi-2D RP PSCs are encountered with some challenges of the large exciton binding energy,blocked charge transport and poor film quality,which restrict their photovoltaic ***,these issues can be readily resolved by rationally designing spacer cations of *** review mainly focuses on how to design the molecular structures of organic spacers and aims to endow RPPs with outstanding photovoltaic *** firstly elucidated the important roles of organic spacers in impacting crystallization kinetics,charge transporting ability and stability of *** we brought three aspects to attention for designing organic ***,we presented the specific molecular structure design strategies for organic spacers of RPPs aiming to improve photovoltaic performance of RP *** proposed strategies in this review will provide new avenues to develop novel organic spacers for RPPs and advance the development of RPP photovoltaic technology for future applications.

关键词： Ruddlesden-Popper perovskites Low-dimensional perovskite solar cells Organic spacers Molecular structure Design strategies

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缺氧诱导因子HIF-1a通过上调Isthmin1促进结肠癌增殖的作用机制

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医学研究与战创伤救治 2023年第2期36卷 135-141页

作者：刘云云贾佩琦于佩弘周欣邵淑琳苏东明南京医科大学第四附属医院病理科南京210031 东部战区总医院病理科南京210002 南京医科大学基础医学院南京211166 南京市浦口区中医院检验科南京211800

目的Isthmin1蛋白(ISM1)参与肿瘤的发生发展过程,但其对于结肠癌发生发展的作用机制和功能仍未被阐明。明确ISM1在结肠癌组织以及细胞系中的表达情况及预后价值,并探讨缺氧诱导因子缺氧诱导因子-1a(HIF-1a)通过上调Isthmin1促进结肠癌... 详细信息

目的Isthmin1蛋白(ISM1)参与肿瘤的发生发展过程,但其对于结肠癌发生发展的作用机制和功能仍未被阐明。明确ISM1在结肠癌组织以及细胞系中的表达情况及预后价值,并探讨缺氧诱导因子缺氧诱导因子-1a(HIF-1a)通过上调Isthmin1促进结肠癌增殖的机制研究。方法应用TCGA和Kaplan-Meier plotter数据库分别分析ISM1在结肠癌中的表达情况及其与结肠癌患者预后的关系。免疫组化和免疫荧光检测结肠癌、癌旁组织中ISM1、HIF-1a的定位及表达水平。Western blot检测人正常结肠上皮细胞HcoEpic、NCM460以及人结肠癌细胞系HCT116、HT29及SW620中ISM1的表达水平。构建ISM1过表达稳转株,SRB法和平板克隆法检测其对结肠癌细胞增殖活性的影响。缺氧处理后,Western blot检测ISM1的表达水平。结果生物信息学分析结果显示,结肠癌组织中ISM1的表达明显高于正常结肠组织,且ISM1低表达的结肠癌患者比高表达的结肠癌患者总生存期更长(P<0.01)。ISM1在结肠癌组织和结肠癌组织细胞系中的表达水平明显高于对应的癌旁组织和正常结肠上皮细胞(P<0.05)。与对照组相比,过表达ISM1能明显增强结肠癌细胞HT29的增殖活性(P<0.05)。缺氧处理后,ISM1的表达水平显著上升(P<0.05)。结论高表达的ISM1与结肠癌患者的预后不良有关,ISM1在肿瘤内部缺氧的情况下可能受到HIF-1a的调控,导致ISM1表达增加,进而促进结肠癌细胞的增殖。

关键词： Isthmin1 结肠癌缺氧诱导因子-1a 增殖缺氧

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Catalyst–Support Interaction in Polyaniline‑Supported Ni_(3)Fe Oxide to Boost Oxygen Evolution Activities for Rechargeable Zn‑Air Batteries

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Nano-Micro Letters 2025年第1期17卷 176-190页

作者： Xiaohong Zou Qian Lu Mingcong Tang Jie Wu Kouer Zhang Wenzhi Li Yunxia Hu Xiaomin Xu Xiao Zhang Zongping shao Liang An Department of Mechanical Engineering The Hong Kong Polytechnic UniversityHung HomKowloonHong Kong SARPeople’s Republic of China Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control Jiangsu Collaborative Innovation Center of Atmospheric Environment and Equipment TechnologySchool of Environmental Science and TechnologyNanjing University of Information Science and TechnologyNanjing 210044People’s Republic of China Department of Chemistry The Chinese University of Hong KongMa Lin BuildingShatinHong Kong SAR 999077People’s Republic of China WA School of Mines:Minerals Energy and Chemical Engineering(WASM‑MECE)Curtin UniversityPerthWA 6102Australia Research Institute for Advanced Manufacturing The Hong Kong Polytechnic UniversityHung HomKowloonHong Kong SARPeople’s Republic of China Research Institute for Smart Energy The Hong Kong Polytechnic UniversityHung HomKowloonHong Kong SARPeople’s Republic of China

Catalyst–support interaction plays a crucial role in improving the catalytic activity of oxygen evolution reaction(OER).Here we modulate the catalyst–support interaction in polyaniline-supported Ni_(3)Fe oxide(Ni_(3)Fe oxide/PANI)with a robust hetero-interface,which significantly improves oxygen evolution activities with an overpotential of 270 mV at 10 mA cm^(-2)and specific activity of 2.08 mA cm_(ECSA)^(-2)at overpotential of 300 mV,3.84-fold that of Ni_(3)Fe *** is revealed that the catalyst–support interaction between Ni_(3)Fe oxide and PANI support enhances the Ni–O covalency via the interfacial Ni–N bond,thus promoting the charge and mass transfer on Ni_(3)Fe *** the excellent activity and stability,rechargeable Zn-air batteries with optimum Ni_(3)Fe oxide/PANI are assembled,delivering a low charge voltage of 1.95 V to cycle for 400 h at 10 mA cm^(-2).The regulation of the effect of catalyst–support interaction on catalytic activity provides new possibilities for the future design of highly efficient OER catalysts.

关键词： Catalyst-support interaction Supported catalysts Heterointerface Oxygen evolution reaction Zn-air batteries

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