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Deciphering the role of ultra-low-loaded rhodium in NiFe-MIL-53 for superior oxygen evolution reaction

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Journal of Energy chemistry 2025年第1期100卷 77-86页

作者： Jinzhi Jia Jinhua Zhang Kailu Guo Lanyue Zhang Gening Du hao You Junfeng huang Mudong Tu hua Li Yong Peng Wei dou cailing Xu State Key Laboratory of Applied Organic chemistry College of Chemistry and Chemical EngineeringSchool of Materials and EnergyLanzhou UniversityLanzhou 730000GansuChina college of chemistry and chemical Engineering Luoyang Normal UniversityLuoyang 471934HenanChina

Designing highly active and stable electrocatalysts of oxygen evolution reaction(OER)is one of the crucial *** this study,a novel OER electrocatalyst,NiFe-MIL-53 modified with ultra-low rhodium(Rh@NiFe-MIL-53),is successfully prepared via the hydrothermal ***-situ Raman spectroscopy and electrochemical impedance spectroscopy reveal that the doped Rh accelerates the phase transformation of NiFe-MIL-53 and the in-situ formed Rh@NiFeOOh is the actual active *** importantly,the enhanced reversibility of electrochemical reconstruction between NiFeOOh and NiFe(Oh)_(2)after doping Rh is beneficial for improving the electrochemical stability of the catalyst.X-ray photoelectron spectroscopy spectra show the strong electronic interaction between single-atom Rh and Ni/Fe in Rh@***,theoretical calculations confirm that the integration of single-atom Rh into the NiFeOOh successfully reduces the band gap,regulates the d-band center(εd),accelerates the charge transfer,and optimizes the adsorption behavior of oxygen-containing intermediates,thereby lowering the energy barrier of rate-determining ***,the optimized Rh@NiFe-MIL-53 exhibits excellent OER activity(240 mV)with a small Tafel slope of 48.2 mV dec^(-1)and long-term durability(over1270 h at 10 m A cm^(-2)and 110 h at 200 mA cm^(-2)).This work presents a new perspective on designing highly efficient OER electrocatalysts.

关键词： NiFe-MIL-53 Rh Electrochemical reconstruction catalytic mechanism Oxygen evolution reaction

Glycemic control and Diabetes Duration in Relation to Subsequent Myocardial Infarction among Patients with coronary heart Disease and Type 2 Diabetes

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Biomedical and Environmental Sciences 2025年第1期38卷 27-36页

作者： Furong Li Yan dou chunbao Mo Shuang Wang Jing Zheng Dongfeng Gu Fengchao Liang School of Public health and Emergency Management Southern University of Science and TechnologySchool of MedicineShenzhen 518055GuangdongChina Shenzhen Key Laboratory of cardiovascular health and Precision Medicine Southern University of Science and TechnologyShenzhen 518055GuangdongChina Department of Epidemiology National Center for Cardiovascular DiseasesFuwai HospitalChinese Academy of Medical Sciences&Peking Union Medical College/National Center for Cardiovascular DiseasesBeijing 100037China Shenzhen health Development Research and Data Management center Shenzhen 518106GuangdongChina

Objective This study aimed to investigate the impact of glycemic control and diabetes duration on subsequent myocardial infarction(MI)in patients with both coronary heart disease(chD)and type 2 diabetes(T2D).Methods We conducted a retrospective cohort study of 33,238 patients with both chD and T2D in Shenzhen,*** were categorized into 6 groups based on baseline fasting plasma glucose(FPG)levels and diabetes duration(from the date of diabetes diagnosis to the baseline date)to examine their combined effects on subsequent *** proportional hazards regression models were used,with further stratification by age,sex,and comorbidities to assess potential *** Over a median follow-up of 2.4 years,2,110 patients experienced *** to those with optimal glycemic control(FPGhorter diabetes duration(he fullyadjusted hazard ratio(hR)(95%confidence Interval[95%cI])for those with a diabetes duration of≥10 years and FPG>8.0 mmol/L was 1.93(95%cI:1.59,2.36).The combined effects of FPG and diabetes duration on MI were largely similar across different age,sex,and comorbidity groups,although the excess risk of MI associated with long-term diabetes appeared to be more pronounced among those with atrial *** Our study indicates that glycemic control and diabetes duration significant influence the subsequent occurrence of MI in patients with both chD and *** management strategies emphasizing strict glycemic control may be particularly beneficial for patients with longer diabetes duration and atrial fibrillation.

关键词： coronary heart disease Type 2 diabetes Myocardial infarction Diabetes duration Fasting plasma glucose

characterization and source apportionment of volatile organic compounds in hong Kong:A 5-year study for three different archetypical sites

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Journal of Environmental Sciences 2025年第5期151卷 424-440页

作者： Yuchen Mai Vincent cheung Peter K.K.Louie Kenneth Leung Jimmy c.h.Fung Alexis K.h.Lau Donald R.B.lake Dasa Gu Division of Environment and Sustainability The Hong Kong University of Science and TechnologyHong Kong 999077China Environmental Protection Department Hong Kong 999077China Environment and Ecology Bureau Hong Kong 999077China Department of chemistry University of CaliforniaIrvine 92617USA

Initial success has been achieved in hong Kong in controlling primary air pollutants,but ambient ozone levels kept increasing during the past three *** organic compounds(VOcs)are important for mitigating ozone pollution as its major *** study analyzed VOc characteristics of roadside,suburban,and rural sites in hong Kong to investigate their compositions,concentrations,and source *** showthat the TVOc concentrations were 23.05±13.24,12.68±15.36,and 5.16±5.48 ppbv for roadside,suburban,and rural sites between May 2015 to June 2019,*** using Positive Matrix Factorization(PMF)model,six sources were identified at the roadside site over five years:Liquefied petroleum gas(LPG)usage(33%–46%),gasoline evaporation(8%–31%),aged air mass(11%–28%),gasoline exhaust(5%–16%),diesel exhaust(2%–16%)and fuel filling(75–9%).Similarly,six sources were distinguished at the suburban site,including LPG usage(30%–33%),solvent usage(20%–26%),diesel exhaust(14%–26%),gasoline evaporation(8%–16%),aged air mass(4%–11%),and biogenic emissions(2%–5%).At the rural site,four sources were identified,including aged airmass(33%–51%),solvent usage(25%–30%),vehicular emissions(11%–28%),and biogenic emissions(6%–12%).The analysis further revealed that fuel filling and LPG usage were the primary contributors to OFP and Oh reactivity at the roadside site,while solvent usage and biogenic emissions accounted for almost half of OFP and Oh reactivity at the suburban and rural sites,*** findings highlight the importance of identifying and characterizing VOc sources at different sites to help policymakers develop targeted measures for pollution mitigation in specific areas.

关键词： Volatile organic compounds Positive matrix factorization Source apportionment Ozone formation

InNi alloy-induced interface effect promoting the parallel electron transfer: improved photothermal catalytic cO2 hydrogenation

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Science china chemistry 2025年

作者： haoyu Zhang Yuhang Li Yu Nie Xinyu dou haodong Ji Xin Tan Jinhua Ye Tao Yu School of chemical Engineering and Technology Tianjin University Eco-environment and Resource Efficiency Research Laboratory School of Environment and Energy Peking University Shenzhen Graduate School School of Environmental Science and Engineering Tianjin University Advanced catalytic Materials Research center School of Materials Science and Engineering Tianjin University Research center for Solar Driven carbon Neutrality Hebei University

Photothermal catalytic cO2hydrogenation is an effective means of utilizing carbon ***,it is severely limited in terms of kinetics and ***,it is necessary to meticulously design catalysts to solve this ***,a sandwich structured NiO@InNi/In2O3is designed to intrinsically regulate the direction of photogenerated carriers transfer,resulting in a cO yield of 42.97 mmol g-1h-1(1290.3μmol h-1) with a selectivity near to 100%.InNi alloy favors the collection of photogenerated carriers by the parallel way and enhancement of the adsorption and activation of *** grown on the surface of InNi alloy not only improves the adsorption of h2and provides sufficient h+for the reaction,but also makes InNi alloy more stable during the reaction *** photothermal effect caused by In2O3accelerates the transfer of photogenerated carriers and increases the surface temperature of the catalyst,thereby synergistically promoting the reaction from a kinetic *** work ameliorates the kinetic and thermodynamic limitations of the photothermal catalytic cO2hydrogenation process through rationally designing the electron transfer direction of the sandwich structured catalysts to parallel way.

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A monolithic 3D IGZO-RRAM-SRAM-integrated architecture for robust and efficient compute-in-memory enabling equivalent-ideal device metrics

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Science china(Information Sciences) 2025年第2期68卷 322-337页

作者： Shengzhe YAN Zhaori cONG Zi WANG Zhuoyu DAI Zeyu GUO Zhihang QIAN Xufan LI Xu ZhENG chuanke chEN Nianduan LU chunmeng dou Guanhua YANG Xiaoxin XU Di GENG Jinshan YUE Lingfei WANG Ling LI Ming LIU Institute of Microelectronics of the chinese Academy of Sciences University of chinese Academy of Sciences

compute-in-memory(cIM) based on various devices such as static random access memory(SRAM) and resistive random access memory(RRAM) and other emerging devices such as indium-gallium-zinc-oxide(IGZO) transistor, magnetoresistive RAM(MRAM), and ferroelectric RAM(FeRAM) has been explored for better performance and energy efficiency on neural networks applications. however, cIM based on a single-type device suffers a variety of non-ideal metrics to reach the simultaneous optimal accuracy, density, and energy efficiency. This work presents equivalent-ideal cIM(Eq-cIM), a monolithic 3D(M3D) IGZO-RRAM-SRAM integrated architecture for robust and efficient compute-in-memory enabling equivalent-ideal device metrics. To overcome the non-ideality(variation, endurance, temperature, etc.) of the single-type devices, system-technology co-optimization(STcO) is performed. This work highlights the non-ideality-aware functionality breakdown for robust high accuracy and simultaneous high density/efficiency, by utilizing 2T0c IGZO for temporal activation storage, RRAM for high-density weight storage, and SRAM for accurate cIM. Device-to-algorithm variation transfer is applied to analyze the system-level accuracy. We benchmark Eq-cIM architecture on cIFAR-10/ImageNet, with 5.06× storage density and 5.05×/2.45× area/energy efficiency compared with single-type-device-based cIM, and high robustness(ccuracy loss) from-40℃ to 120℃.

关键词： compute-in-memory (cIM) monolithic 3D RRAM IGZO 3D-stack simulation

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The pseudo-type response regulator gene clsc regulates rind stripe coloration in watermelon

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Journal of Integrative Agriculture 2025年第1期24卷 147-160页

作者： Dongming Liu Jinfang Liang Quanquan Liu Yaxin chen Shixiang Duan Dongling Sun huayu Zhu Junling dou huanhuan Niu Sen Yang Shouru Sun Jianbin hu Luming Yang college of horticulture Henan Agricultural UniversityZhengzhou 450046China

The color and pattern of watermelon rind are crucial external traits that directly affect consumer *** with stripes having a stronger color than the background rind are ideal for studying stripe patterns in plants,while there is still limited knowledge about the genetic mechanisms underlying stripe coloration due to the lack of germplasm *** this study,we focused on a watermelon germplasm with colorless stripes,and genetic analysis revealed that the trait is controlled by a single recessive *** gene clsc(citrullus lanatus stripe coloration),which is responsible for the colorless stripe,was localized into a 147.6 kb region on chr9 by linkage analysis in a large F2 mapping *** analysis revealed that the cla97c09G175170 gene encodes the APRR2 transcription factor,plays a crucial role in determining the watermelon colorless stripe phenotype and was deduced to be related to chlorophyll synthesis and chloroplast *** experiments indicated that cla97c09G175170 may significantly influence chloroplast development and chlorophyll synthesis in *** results of this study provide a better understanding of the molecular mechanism of stripe coloration in watermelon and can be useful in the development of marker-assisted selection(MAS)for new watermelon cultivars.

关键词： watermelon stripe coloration inheritance gene mapping transcriptome

Study of the semilepottonic decays Υ(1S)→B_((c))lν_(l)

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chinese Physics c 2025年第1期49卷 177-185页

作者： c.T.Tran M.A.Ivanov P.Santorelli h.c.Tran Department of Physics HCMC University of Technology and EducationVo Van Ngan 1700000 Ho Chi Minh CityVietnam Bogoliubov Laboratory of Theoretical Physics Joint Institute for Nuclear Research141980 DubnaRussia Dipartimento di Fisica“E.Pancini” Universitàdi Napoli Federico IIComplesso Universitario di Monte S.AngeloVia CintiaEdificio 680126NapoliItaly Istituto Nazionale di Fisica Nucleare Sezione di Napoli80126 NapoliItaly

We study the exclusive semileptonic decaysΥ(1S)→B_((c))lν_(l),where t=e,μ,*** relevant hadronic form factors are calculated using the covariant confined quark model developed previously by our *** predict the branching fractions B(Υ(1S)→B_((c))lν_(l))(vl)to be of the order of 10^(-13)and 10^(-10)for the case of B and B_(c),*** predictions agree well with other theoretical *** also consider the effects of possible new physics in the case of Υ(1S)→B_((c))τν_(τ)and show that the branching fraction of this decay can be enhanced by an order of magnitude using constraints from the B-→D^((*))lν_(l)and B_(c)→J/Ψlν_(l)experimental data.

关键词： heavy quarkonia covariant confined quark model semileptonic decay

Silk-based nerve guidance conduits with macroscopic holes modulate the vascularization of regenerating rat sciatic nerve

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Neural Regeneration Research 2025年第6期20卷 1789-1800页

作者： carina hromada Patrick heimel Markus Kerbl LászlóGál Sylvia Nürnberger Barbara Schaedl James Ferguson Nicole Swiadek Xavier Monforte Johannes c.heinzel Antal Nógrádi Andreas h.Teuschl-Woller David hercher Department Life Science Engineering University of Applied Sciences Technikum WienViennaAustria Austrian cluster for Tissue Regeneration ViennaAustria Ludwig Boltzmann Institute for Traumatology The Research Center in Cooperation with AUVAViennaAustria University clinic of Dentistry Medical University of ViennaViennaAustria Department of Plastic Reconstructive and Aesthetic SurgeryLandesklinikum Wiener Neustadt2700 Wiener NeustadtAustria Department of Anatomy Histology and EmbryologyAlbert Szent-Györgyi Medical SchoolUniversity of SzegedSzegedHungary Medical University of Vienna Department of Orthopedics and Trauma SurgeryDevision of Trauma SurgeryViennaAustria Department of hand- PlasticReconstructive and Burn SurgeryBG Unfallklinik TuebingenUniversity of TuebingenTuebingenGermany

Peripheral nerve injuries induce a severe motor and sensory deficit. Since the availability of autologous nerve transplants for nerve repair is very limited, alternative treatment strategies are sought, including the use of tubular nerve guidance conduits(tNGcs). however, the use of tNGcs results in poor functional recovery and central necrosis of the regenerating tissue, which limits their application to short nerve lesion defects(typically shorter than 3 cm). Given the importance of vascularization in nerve regeneration, we hypothesized that enabling the growth of blood vessels from the surrounding tissue into the regenerating nerve within the tNGc would help eliminate necrotic processes and lead to improved regeneration. In this study, we reported the application of macroscopic holes into the tubular walls of silk-based tNGcs and compared the various features of these improved silk^(+) tNGcs with the tubes without holes(silk^(–) tNGcs) and autologous nerve transplants in an 8-mm sciatic nerve defect in rats. Using a combination of micro-computed tomography and histological analyses, we were able to prove that the use of silk^(+) tNGcs induced the growth of blood vessels from the adjacent tissue to the intraluminal neovascular formation. A significantly higher number of blood vessels in the silk^(+) group was found compared with autologous nerve transplants and silk^(–), accompanied by improved axon regeneration at the distal coaptation point compared with the silk^(–) tNGcs at 7 weeks postoperatively. In the 15-mm(critical size) sciatic nerve defect model, we again observed a distinct ingrowth of blood vessels through the tubular walls of silk^(+) tNGcs, but without improved functional recovery at 12 weeks postoperatively. Our data proves that macroporous tNGcs increase the vascular supply of regenerating nerves and facilitate improved axonal regeneration in a short-defect model but not in a critical-size defect model. This study suggests that further optimizatio

关键词： axon regeneration blood vessel functional recovery macroporous nerve lesion peripheral nerve repair sciatic nerve silk-based nerve guidance conduit vascularization

衣原体转录激活因子GrgA与RNA聚合酶α亚基相互作用机制

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中华医院感染学杂志 2025年第1期35卷 1-6页

作者：石禹窦志华包小峰南通市第三人民医院南通大学附属南通第三医院药学部江苏南通226006 南通大学药学院江苏南通226006

目的研究衣原体基因转录调控过程中基因通用调节因子A(GrgA)与RNA聚合酶(RNAP)α亚基相互作用的关系,以提高GrgA和RNAP参与衣原体转录和调控机制的认识。方法本研究通过引物设计,采用聚合酶链反应(PcR),构建携带his或Strep蛋白标签的衣... 详细信息

目的研究衣原体基因转录调控过程中基因通用调节因子A(GrgA)与RNA聚合酶(RNAP)α亚基相互作用的关系,以提高GrgA和RNAP参与衣原体转录和调控机制的认识。方法本研究通过引物设计,采用聚合酶链反应(PcR),构建携带his或Strep蛋白标签的衣原体RNA聚合酶(c RNAP)α亚基和GrgA的各种融合蛋白表达载体,将表达载体转入Arctic Express表达菌株的化学感受态细胞菌株,通过异丙基硫代半乳糖苷(IPTG)诱导13℃低温表达相应蛋白,借助体外蛋白牵出试验(Pull-down技术)、聚丙烯酰胺凝胶电泳(SDS-PAGE)及蛋白质印迹法(WB)分析鉴定出GrgA与cRNAPα亚基两者间相互结合的较为详细的某一段氨基酸序列。结果cRNAPα亚基能与GrgA结合,GrgA与α△(277-377)有结合,与α△(1-259)无结合;α亚基与GrgA△(1-64)、GrgA△(65-112)、GrgA△(114-165)、GrgA△(166-206)、GrgA△(207-268)均有结合。结论GrgA能与cRNAPα亚基结合;cRNAPα亚基与GrgA的结合位点位于α亚基N末端的1-259位氨基酸序列;GrgA通过多个氨基酸序列位点与cRNAPα亚基结合;cRNAPα亚基的N末端可能同样参与了转录调控过程。

关键词：衣原体基因通用调节因子A 衣原体RNA聚合酶亚基融合蛋白牵出试验相互作用

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