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Synergy of heterogeneous Co/Ni dual atoms enabling selective C-O bond scission of lignin coupling with in-situ N-functionalization

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Journal of Energy Chemistry 2024年第5期92卷 16-25页

作者： Baoyu Wang Jinshu Huang Hongguo Wu Ximing Yan Yuhe liao Hu li National Key Laboratory of Green Pesticide Key Laboratory of Green Pesticide&Agricultural BioengineeringMinistry of EducationState-Local Joint Laboratory for Comprehensive Utilization of BiomassCollege of Pharmacy&Center for R&D of Fine ChemicalsGuizhou UniversityGuiyang 550025GuizhouChina Guangxi Key Laboratory of Green Chemical Materials and Safety Technology Beibu Gulf UniversityQinzhou 535011GuangxiChina Guangzhou Institute of Energy Conversion Chinese Academy of SciencesGuangzhou 510640GuangdongChina

Selective cleavage of Csp^(2)-OCH_(3)bond in lignin without breaking other types of C-O bonds followed by N-functionalization is fascinating for on-purpose valorization of ***,a Co/Ni-based dual-atom catalyst CoNiDA@NC prepared by in-situ evaporation and acid-etching of metal species from tailor-made metal–organic frameworks was efficient for reductive upgrading of various lignin-derived phenols to cyclohexanols(88.5%–99.9%yields),which had ca.4 times higher reaction rate than the single-atom catalyst and was superior to state-of-the-art heterogeneous *** synergistic catalysis of Co/Ni dual atoms facilitated both hydrogen dissociation and hydrogenolysis steps,and could optimize adsorption configuration of lignin-derived methoxylated phenols to further favor the Csp^(2)-OCH_(3)cleavage,as elaborated by theoretical ***,the CoNi_(DA)@NC catalyst was highly recyclable,and exhibited excellent demethoxylation performance(77.1%yield)in real lignin monomer *** in-situ cascade conversion processes assisted by dual-atom catalysis,various high-value N-containing chemicals,including caprolactams and cyclohexylamines,could be produced from lignin.

关键词： Biomass conversion Heterogeneous catalysis lignin Dual-atom catalyst Selective C-ocleavage

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Influence of Trailing-Edge Wear on the Vibrational Behavior of Wind Turbine Blades

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Fluid Dynamics & Materials Processing 2024年第2期20卷 337-348页

作者： Yuanjun Dai Xin Wei Baohua li Cong Wang Kunju Shi Mechanical College Shanghai Dian Ji UniversityShanghai201306China College of Energy Engineering Xinjiang Institute of EngineeringUrumqi830091China

To study the impact of the trailing-edge wear on the vibrational behavior of wind-turbine blades,unworn blades and trailing-edge worn blades have been assessed through relevant modal *** to these experiments,the natural frequencies of trailing-edge worn blades-1,-2,and-3 increase the most in the second to fourth order,theﬁfth order increases in the middle,and theﬁrst order increases the *** damping ratio data indi-cate that,in general,theﬁrstﬁve-order damping ratios of trailing-edge worn blades-1 and trailing-edge worn blades-2 are reduced,and theﬁrstﬁve-order damping ratios of trailing-edge worn blades-3 are slightly *** mode shape diagram shows that the trailing-edge worn blades-1 and-2 have a large swing in the tip and the blade,whereas the second-and third-order vibration shapes of the trailing edge-worn blade-3 tend to be ***,all these results reveal that the blade’s mass and the wear area are the main fac-tors affecting the vibration characteristics of wind turbine blades.

关键词： Wind turbine modal test natural frequency damping ratio mode shape

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The Effect of Lateral Offset Distance on the Aerodynamics and Fuel Economy of Vehicle Queues

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Fluid Dynamics & Materials Processing 2024年第1期20卷 147-163页

作者： lili Lei Ze li Haichao Zhou Jing Wang Wei lin School of Automotive and Traffic Engineering Jiangsu UniversityZhenjiang212013China

The vehicle industry is always in search of breakthrough energy-saving and emission-reduction *** recent years,vehicle intelligence has progressed considerably,and researchers are currently trying to take advantage of these *** we consider the case of many vehicles forming a queue,i.e.,vehicles traveling at a predetermined speed and distance *** the majority of existing studies on this subject have focused on the influence of the longitudinal vehicle spacing,vehicle speed,and the number of vehicles on aerodynamic drag and fuel economy,this study considers the lateral offset distance of the vehicle *** group fuel consumption savings rate is calculated and *** also demonstrated by experimental results,some aerodynamic benefits ***,the fuel consumption saving rate of the vehicle queue decreases as the lateral offset distance increases.

关键词： Vehicle platoon automotive aerodynamics horizontal offset distance fuel consumption savings rate computational fluid dynamics

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Carbon Monoxide Modulates Auxin Transport and Nitric Oxide Signaling in Plants under Iron Deficiency Stress

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Phyton-International Journal of Experimental Botany 2024年第1期93卷 45-61页

作者： Kaiyue Hong Yasmina Radani Waqas Ahmad Ping li Yuming Luo Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake Jiangsu Collaborative Innovation Center of Regional Modern Agriculture and Environmental ProtectionHuaiyin Normal UniversityHuaian223300China School of life Sciences Nanjing Forestry UniversityNanjing210037China School of life Sciences Shanghai UniversityShanghai200444China

Carbon monoxide(CO)and nitric oxide(NO)are signal molecules that enhance plant adaptation to environmental *** is an essential phytohormone for plant growth and *** and NO play crucial roles in modulating the plant’s response to iron *** deficiency leads to an increase in the activity of heme oxygenase(HO)and the subsequent generation of ***,it alters the polar subcellular distribution of Pin-Formed 1(PIN1)proteins,resulting in enhanced auxin *** alteration,in turn,leads to an increase in NO ***,iron deficiency enhances the activity of ferric chelate reductase(FCR),as well as the expression of the Fer-like iron deficiency-induced transcription factor 1(FIT)and the ferric reduction oxidase 2(FRO2)genes in plant *** of the long hypocotyl 1(HY1)gene,which encodes heme oxygenase,or the CO donor treatment resulted in enhanced basipetal auxin transport,higher FCR activity,and the expression of FIT and FRO2 genes under Fe ***,a potential mechanism is proposed:CO and NO interact with auxin to address iron deficiency *** alters auxin transport,enhancing its accumulation in roots and up-regulating key iron-related genes like FRO2 and *** auxin levels affect NO signaling,leading to greater sensitivity in root *** interplay promotes FCR activity,which is crucial for iron ***,these molecules enhance iron uptake and root growth,revealing a novel aspect of plant physiology in adapting to environmental stress.

关键词： Carbon monoxide nitric oxide auxin iron deficiency signal molecule plants

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Spatial-temporal heterogeneity of ecological quality changes across the Qinghai-Tibet Plateau under the influence of climate factors and human activities

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Research in Cold and Arid Regions 2024年第3期16卷 129-140页

作者： ZiPing Zhang YuWei Cui WenJia Tang Sen li Qinghai Province Ecological and Environmental Monitoring Center XiningQinghai 810007China Key Laboratory of Desert and Desertification Northwest Institute of Eco-Environment and ResourcesChinese Academy of SciencesLanzhouGansu 730000China University of Chinese Academy of Sciences Beijing 100049China

Over the last few decades,the ecological quality of the Qinghai–Tibet Plateau(QTP)has significantly changed due to climate warming,humidification,and increasing human ***,evaluating this region's ecological quality and dominant factors is crucial for sustainable *** this study,the changes in the ecological quality on the QTP from 2000 to 2020 were evaluated based on aggregated indices and Sen–MK trend analyses,and the dominant factors affecting the ecological quality of the QTP were quantitatively analyzed using decision tree *** results revealed that(1)the ecological quality of the QTP exhibited an overall high trend in the east and a low pattern in the west;(2)the ecological quality of the QTP significantly increased from 2000 to 2020,and human activities were the dominant factors causing this change;and(3)the changes in the ecological quality and dominant factors exhibited obvious spatiotemporal *** area with an improved ecological quality occurred mainly in the northern QTP *** was governed by human activities and *** contrast,the area with a deteriorated ecological quality occurred largely in the southern QTP region and was dominated by human activities and *** 2000–2010 period was the most significant period of heterogeneity regarding of ecological quality and its driving factors.(4)The change in the ecological quality was mainly affected by the synergistic relationship between human activities and climate change in this region,which encompassed multiple dominant *** study provides important information on the spatiotemporal heterogeneity of ecological quality change and its dominant factors on the QTP and offers systematic guidance for the planning and implementation of ecological protection projects.

关键词： Remote sensing-based ecological index(RSEI) Dominant factors Synergies and trade-offs Qinghai‒Tibet Plateau

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Consideration on immunotherapy of liver metastases of malignant tumors

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World Journal of Gastrointestinal Surgery 2024年第8期16卷 2374-2381页

作者： Chuang Jiang Zhi-Hong Zhang Jia-Xin li Division of liver Surgery Department of General Surgery and Laboratory of Liver Surgeryand State Key Laboratory of Biotherapy and Collaborative Innovation Center of BiotherapyWest China HospitalSichuan UniversityChengdu 610041Sichuan ProvinceChina Department of General Surgery Dafang County People's HospitalBijie 551600Guizhou ProvinceChina

In this editorial,we comment on the article“Analysis of the impact of immuno-therapy efficacy and safety in patients with gastric cancer and liver metastasis”by liu et al that was published in the recent issue of the World Journal of Gastroin-testinal *** has prompted us to think and summarize some thoughts on immunotherapy for malignant tumor liver *** plays a crucial role in the treatment of malignant tumors;however,the presence of liver metastases in advanced tumors may impact its *** patients with liver metastases can still benefit from immunotherapy,multiple clinical studies have indicated that,compared to other sites of metastasis,liver metastases may diminish the effectiveness of *** efficacy of immune checkpoint inhibitors in patients with liver metastases often fails to reach the ideal level,primarily due to the liver metastases exploiting the host's peripheral immune to-lerance mechanisms to promote systemic CD8(+)T cell exhaustion,resulting in a systemic immune-tolerant *** article aims to summarize the reasons for the decreased efficacy of immunotherapy following liver metastasis in various malignant tumors and propose potential clinical strategies for manage-ment.

关键词： liver metastasis Immunotherapy Immune tolerance Cancer Treatment

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Tanshinone ⅡA improves Alzheimer’s disease via RNA nuclearenriched abundant transcript 1/microRNA-291a-3p/member RAS oncogene family Rab22a axis

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World Journal of Psychiatry 2024年第4期14卷 563-581页

作者： Long-Xiu Yang Man Luo Sheng-Yu li Department of Neurology The First Affiliated Hospital of Guangxi Medical UniversityNanning 530000Guangxi Zhuang Autonomous RegionChina Department of Neurology Wuming Hospital of Guangxi Medical UniversityNanning 530199Guangxi Zhuang Autonomous RegionChina

BACKGROUND Alzheimer’s disease(AD)is a neurodegenerative condition characterized by oxidative stress and *** ⅡA(Tan-ⅡA),a bioactive compound isolated from Salvia miltiorrhiza plants,has shown potential neuroprotective effects;however,the mechanisms underlying such a function remain *** To investigate potential Tan-ⅡA neuroprotective effects in AD and to elucidate their underlying *** Hematoxylin and eosin staining was utilized to analyze structural brain tissue *** assess changes in oxidative stress and neuroinflammation,we performed enzyme-linked immunosorbent assay and western ***,the effect of Tan-ⅡA on AD cell models was evaluated in vitro using the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide *** changes related to the long non-coding RNA(lncRNA)nuclear-enriched abundant transcript 1(NEAT1)/microRNA(miRNA,miR)-291a-3p/member RAS oncogene family Rab22a axis were assessed through reverse transcription quantitative polymerase chain *** In vivo,Tan-ⅡA treatment improved neuronal morphology and attenuated oxidative stress and neuroinflammation in the brain tissue of AD *** vitro experiments showed that Tan-ⅡA dose-dependently ameliorated the amyloid-beta 1-42-induced reduction of neural stem cell viability,apoptosis,oxidative stress,and *** this process,the lncRNA NEAT1-a potential therapeutic target-is highly expressed in AD mice and downregulated via Tan-ⅡA ***,NEAT1 promotes the transcription and translation of Rab22a via miR-291a-3p,which activates nuclear factor kappa-B(NF-κB)signaling,leading to activation of the pro-apoptotic B-cell lymphoma 2-associated X protein and inhibition of the anti-apoptotic B-cell lymphoma 2 protein,which exacerbates ***-ⅡA intervention effectively blocked this process by inhibiting the NEAT1/miR-291a-3p/Rab22a axis and NF-κB *** This study demonstrates that

关键词： TanshinoneⅡA Alzheimer’s disease Nuclear-enriched abundant transcript 1 Member of RAS oncogene family Rab22a Reactive oxygen species

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Bronchoalveolar lavage fluid metagenomic next-generation sequencing assay for identifying pathogens in lung cancer patients

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BIOCELL 2024年第4期48卷 623-637页

作者： JIYU WANG HUIXIA li DEYUAN ZHOU liHONG BAI KEJING TANG Division of Pulmonary and Critical Care Medicine The First Affiliated HospitalSun Yat-sen UniversityGuangzhouChina Institute of Pulmonary Diseases Sun Yat-sen UniversityGuangzhouChina Department of Pharmacy The First Affiliated HospitalSun Yat-sen UniversityGuangzhouChina

Background:For patients with lung cancer,timely identiﬁcation of new lung lesions as infectious or non-infectious,and accurate identiﬁcation of pathogens is very important in improving OS of *** a new auxiliary examination,metagenomic next-generation sequencing(mNGS)is believed to be more accurate in diagnosing infectious diseases in patients without underlying diseases,compared with conventional microbial tests(CMTs).We designed this study toﬁnd out whether mNGS has better performance in distinguishing infectious and non-infectious diseases in lung cancer patients using bronchoalveolar lavageﬂuid(BALF).Materials and Methods:This study was a real-world retrospective review based on electronic medical records of lung cancer patients with bronchoalveolar lavage(BAL)and BALF commercial mNGS testing as part of clinical care from 1 April 2019 through 30 April 2022 at The First Afﬁliated Hospital of Sun Yat-sen University.164 patients were included in this *** were categorized into the pulmonary non-infectious disease(PNID)group(n=64)and the pulmonary infectious disease(PID)group(n=100)groups based onﬁnal ***:BALF mNGS increased the sensitivity rate by 60%compared to CMTs(81%vs.21%,p0.1).Among the patients with PID,bacteria were the most common cause of *** infections occurred in 32%of patients,and Pneumocystis Yersini was most *** with Tyrosine kinase inhibitors(TKIs)therapy possess longer overall survival(OS)than other anti-cancer agents,the difference between TKIs and immuno-checkpoint inhibitors(ICIs)was insigniﬁcant(median OS TKIs *** ***-angiogenic *** ***=76 vs.84 vs.61 vs.58 vs.60).Conclusions:our study indicates that BALF mNGS can add value by improving overall sensitivity in lung cancer patients with potential pulmonary infection,and was outstanding in identifying Pneumocystis *** could be able

关键词： Lung cancer Bronchoalveolar lavage fluid Metagenomic next-generation sequencing Infectious diseases

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Double plasma molecular adsorption system for Stevens–Johnson syndrome/toxic epidermal necrolysis:A case report

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World Journal of Clinical Cases 2024年第7期12卷 1371-1377页

作者： You-Wen Tan li-Ping liu Kai Zhang Department of Hepatology The Third Hospital of Zhenjiang Affiliated Jiangsu UniversityZhenjiang 212003Jiangsu ProvinceChina

BACKGROUND Stevens–Johnson syndrome and toxic epidermal necrolysis(SJS/TEN)are very serious skin allergies,with an etiology related to infections and *** the coronavirus disease 2019(COVID-19)pandemic,severe acute respiratory syndrome coronavirus-2 has also been considered to cause SJS/*** SUMMARY We report the case of a woman in her thirties who took acetaminophen after contracting *** 3 d of fever relief,she experienced high fever and presented with SJS/TEN symptoms,accompanied by intrahepatic *** days of corticosteroid treatment did not alleviate the skin damage;therefore,double plasma molecular adsorption system(DPMAS)therapy was initiated,with treatment intervals of 48 *** skin symptoms improved gradually and were resolved after seven DPMAS *** DPMAS therapy is beneficial for abrogating SJS/TEN because plasma adsorption and perfusion techniques reduce the inflammatory mediators(e.g.,tumor necrosis factor-alpha and interleukin-10 and-12)speculated to be involved in the pathology of the skin conditions.

关键词： Stevens-Johnson Toxic epidermal necrolysis COVID-19 Double plasma molecular adsorption system SARS-CoV-2 Case report

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Source Camera Identification Algorithm Based on Multi-Scale Feature Fusion

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Computers, Materials & Continua 2024年第8期80卷 3047-3065页

作者： Jianfeng Lu Caijin li Xiangye Huang Chen Cui Mahmoud Emam School of Computer Science and Technology Hangzhou Dianzi UniversityHangzhou310018China Shangyu Institute of Science and Engineering Hangzhou Dianzi UniversityShaoxing312300China Key Laboratory of Public Security Information Application Based on Big-Data Architecture Ministry of Public SecurityZhejiang Police CollegeHangzhou310000China Faculty of Artificial Intelligence Menoufia UniversityShebin El-Koom32511Egypt

The widespread availability of digital multimedia data has led to a new challenge in digital *** source camera identification algorithms usually rely on various traces in the capturing ***,these traces have become increasingly difficult to extract due to wide availability of various image processing *** Neural Networks(CNN)-based algorithms have demonstrated good discriminative capabilities for different brands and even different models of camera ***,their performances is not ideal in case of distinguishing between individual devices of the same model,because cameras of the same model typically use the same optical lens,image sensor,and image processing algorithms,that result in minimal overall *** this paper,we propose a camera forensics algorithm based on multi-scale feature fusion to address these *** proposed algorithm extracts different local features from feature maps of different scales and then fuses them to obtain a comprehensive feature *** representation is then fed into a subsequent camera fingerprint classification *** upon the Swin-T network,we utilize Transformer Blocks and Graph Convolutional Network(GCN)modules to fuse multi-scale features from different stages of the backbone ***,we conduct experiments on established datasets to demonstrate the feasibility and effectiveness of the proposed approach.

关键词： Source camera identification camera forensics convolutional neural network feature fusion transformer block graph convolutional network

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