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Controlling factors and exploration potential of shale gas enrichment and high yield in Permian Dalong Formation, northern Sichuan Basin, SW China 川北二叠系大龙组页岩气富集高产控制因素及勘探潜力
IF 7
Petroleum Exploration and Development Pub Date : 2025-04-01 DOI: 10.1016/S1876-3804(25)60567-2
Rui YONG , Hongzhi YANG , Wei WU , Xue YANG , Yuran YANG , Haoyong HUANG
{"title":"Controlling factors and exploration potential of shale gas enrichment and high yield in Permian Dalong Formation, northern Sichuan Basin, SW China","authors":"Rui YONG ,&nbsp;Hongzhi YANG ,&nbsp;Wei WU ,&nbsp;Xue YANG ,&nbsp;Yuran YANG ,&nbsp;Haoyong HUANG","doi":"10.1016/S1876-3804(25)60567-2","DOIUrl":"10.1016/S1876-3804(25)60567-2","url":null,"abstract":"<div><div>Based on the basic data of drilling, logging, testing and geological experiments, the geological characteristics of the Permian Dalong Formation marine shales in the northern Sichuan Basin and the factors controlling shale gas enrichment and high yield are studied. The results are obtained in four aspects. First, the high-quality shale of the Dalong Formation was formed after the deposition of the Permian Wujiaping Formation, and it is developed in the Kaijiang-Liangping trough in the northern part of Sichuan Basin, where deep-water continental shelf facies and deep-water reduction environment with thriving siliceous organisms have formed the black siliceous shale rich in organic matter. Second, the Dalong Formation shale contains both organic and inorganic pores, with stratification of alternated brittle and plastic minerals. In addition to organic pores, a large number of inorganic pores are developed even in ultra-deep (deeper than 4 500 m) layers, contributing a total porosity of more than 5%, which significantly expands the storage space for shale gas. Third, the limestone at the roof and floor of the Dalong Formation acted as seal rock in the early burial and hydrocarbon generation stage, providing favorable conditions for the continuous hydrocarbon generation and rich gas preservation in shale interval. In the later reservoir stimulation process, it was beneficial to the lateral extension of the fractures, so as to achieve the optimal stimulation performance and increase the well-controlled resources. Combining the geological, engineering and economic conditions, the favorable area with depth less than 5 500 m is determined to be 1 800 km<sup>2</sup>, with resources of 5 400×10<sup>8</sup> m<sup>3</sup>. Fourth, the shale reservoirs of the Dalong Formation are thin but rich in shale gas. The syncline zone far away from the main faults in the high and steep tectonic zone, eastern Sichuan Basin, with depth less than 5 500 m, is the most favorable target for producing the Permian shale gas under the current engineering and technical conditions. It mainly includes the Nanya syncline, Tanmuchang syncline and Liangping syncline.</div></div>","PeriodicalId":67426,"journal":{"name":"Petroleum Exploration and Development","volume":"52 2","pages":"Pages 285-300"},"PeriodicalIF":7.0,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143873166","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Intelligent evaluation of sandstone rock structure based on a visual large model 基于视觉大模型的砂岩结构智能评价
IF 7
Petroleum Exploration and Development Pub Date : 2025-04-01 DOI: 10.1016/S1876-3804(25)60586-6
Yili REN , Changmin ZENG , Xin LI , Xi LIU , Yanxu HU , Qianxiao SU , Xiaoming WANG , Zhiwei LIN , Yixiao ZHOU , Zilu ZHENG , Huiying HU , Yanning YANG , Fang HUI
{"title":"Intelligent evaluation of sandstone rock structure based on a visual large model","authors":"Yili REN ,&nbsp;Changmin ZENG ,&nbsp;Xin LI ,&nbsp;Xi LIU ,&nbsp;Yanxu HU ,&nbsp;Qianxiao SU ,&nbsp;Xiaoming WANG ,&nbsp;Zhiwei LIN ,&nbsp;Yixiao ZHOU ,&nbsp;Zilu ZHENG ,&nbsp;Huiying HU ,&nbsp;Yanning YANG ,&nbsp;Fang HUI","doi":"10.1016/S1876-3804(25)60586-6","DOIUrl":"10.1016/S1876-3804(25)60586-6","url":null,"abstract":"<div><div>Existing sandstone rock structure evaluation methods rely on visual inspection, with low efficiency, semi-quantitative analysis of roundness, and inability to perform classified statistics in particle size analysis. This study presents an intelligent evaluation method for sandstone rock structure based on the Segment Anything Model (SAM). By developing a lightweight SAM fine-tuning method with rank-decomposition matrix adapters, a multispectral rock particle segmentation model named CoreSAM is constructed, which achieves rock particle edge extraction and type identification. Building upon this, we propose a comprehensive quantitative evaluation system for rock structure, assessing parameters including particle size, sorting, roundness, particle contact and cementation types. The experimental results demonstrate that CoreSAM outperforms existing methods in rock particle segmentation accuracy while showing excellent generalization across different image types such as CT scans and core photographs. The proposed method enables full-sample, classified particle size analysis and quantitative characterization of parameters like roundness, advancing reservoir evaluation towards more precise, quantitative, intuitive, and comprehensive development.</div></div>","PeriodicalId":67426,"journal":{"name":"Petroleum Exploration and Development","volume":"52 2","pages":"Pages 548-558"},"PeriodicalIF":7.0,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143873247","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Experimental and numerical study on external explosions of cylindrical versus spherical charges at tunnel entrance 隧道入口圆柱装药与球形装药外爆的实验与数值研究
IF 5
Defence Technology(防务技术) Pub Date : 2025-04-01 DOI: 10.1016/j.dt.2024.11.003
Dan Luo , Jinsheng Hu , Anbao Wang , Xiao Yu , Mengmeng Zhang , Meili Yao , Chun Li
{"title":"Experimental and numerical study on external explosions of cylindrical versus spherical charges at tunnel entrance","authors":"Dan Luo ,&nbsp;Jinsheng Hu ,&nbsp;Anbao Wang ,&nbsp;Xiao Yu ,&nbsp;Mengmeng Zhang ,&nbsp;Meili Yao ,&nbsp;Chun Li","doi":"10.1016/j.dt.2024.11.003","DOIUrl":"10.1016/j.dt.2024.11.003","url":null,"abstract":"<div><div>Most of the existing studies on tunnel blast wave are based on spherical or grouped charges, however, conventional weapons are mostly cylindrical rather than spherical. In order to analyze the impact of cylindrical charges on the tunnel blast wave loads and to develop a quantitative calculation method, this study carried out experimental and numerical research. Initially, external explosion experiments were conducted using both 35 kg spherical charges and cylindrical charges with aspect ratio of 4.8 at two different distances from the tunnel entrance. Comparative analysis of the blast wave parameters in the tunnel revealed that the explosive equivalent of the cylindrical charges was significantly higher than that of the spherical charges. To address this, an equivalent coefficient <em>κ</em> based on the spherical charges was proposed for the cylindrical charges. Subsequently, numerical simulations were conducted for the experimental conditions, and the numerical simulation results match the experiments well. Through numerical calculations, the reliability of the equivalent coefficient <em>κ</em> under the experimental conditions was verified, and comparison analysis indicated that the explosion energy of cylindrical charges spreads more radially, resulting in more explosion energy entering the tunnel, which is the fundamental reason for the increase in tunnel blast wave loads. Additionally, analyzing the explosion energy ratio entering the tunnel is an effective method for calculating the equivalent coefficient <em>κ</em>. Finally, through more than one hundred sets of numerical calculation results, the impact of the proportional distance <em>λ</em> and the ratio of charge mass to the tunnel cross-section dimension <em>φ</em> on the equivalence coefficients <em>κ</em> was investigated. An empirical formula for the equivalence coefficient <em>κ</em> was derived through fitting, and the accuracy of the formula was validated through literature experimental results. The research findings of this paper will provide valuable guidance for the calculation of blast wave loads in tunnel.</div></div>","PeriodicalId":58209,"journal":{"name":"Defence Technology(防务技术)","volume":"46 ","pages":"Pages 227-243"},"PeriodicalIF":5.0,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143829807","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A review of the critical conditions required for effective hole cleaning while horizontal drilling 回顾了水平钻井时有效清洗井眼所需的关键条件
IF 4.2
Petroleum Pub Date : 2025-04-01 DOI: 10.1016/j.petlm.2025.02.002
Amir Shokry Youssef , Ahmed Abdulhamid Mahmoud , Salaheldin Elkatatny , Talal Al Shafloot
{"title":"A review of the critical conditions required for effective hole cleaning while horizontal drilling","authors":"Amir Shokry Youssef ,&nbsp;Ahmed Abdulhamid Mahmoud ,&nbsp;Salaheldin Elkatatny ,&nbsp;Talal Al Shafloot","doi":"10.1016/j.petlm.2025.02.002","DOIUrl":"10.1016/j.petlm.2025.02.002","url":null,"abstract":"<div><div>Horizontal drilling has become increasingly prevalent in the oil and gas industry due to its potential for enhanced reservoir recovery and reduced environmental impact. However, effective hole cleaning remains a critical challenge in horizontal drilling operations directly impacting drilling efficiency and overall project economics. This review paper aims to comprehensively analyze the critical conditions required for effective hole cleaning in horizontal drilling operations. It investigates the mechanics of cuttings transport within horizontal wells, analyzing the forces at play and various flow patterns. It discusses different methodologies, including empirical correlations, experimental studies, machine learning models, and modeling techniques, used to assess hole cleaning efficiency. Drawing from literature, industry guidelines, and case studies, the study identifies key factors such as fluid properties, wellbore geometry, and drilling parameters influencing hole cleaning efficiency. Challenges such as low annular velocity and complex lithology are highlighted, alongside technological downhole tools innovations. By synthesizing these findings, the paper underscores the importance of addressing these challenges to optimize drilling performance. Serving as a valuable resource for engineers and researchers, it provides insights into optimization techniques and innovations to enhance drilling efficiency in horizontal wellbores, thus facilitating improved operational outcomes.</div></div>","PeriodicalId":37433,"journal":{"name":"Petroleum","volume":"11 2","pages":"Pages 143-157"},"PeriodicalIF":4.2,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143883059","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Friction and Wear Characteristics of Micro-Arc Oxidation Coating on Ti6Al4V Alloy—A Review Ti6Al4V合金微弧氧化涂层的摩擦磨损特性
IF 1.6
Biosurface and Biotribology Pub Date : 2025-03-28 DOI: 10.1049/bsb2.70000
Zhangyue Qin, Xiaogang Zhang, Yali Zhang, Yong Luo, Zhongmin Jin
{"title":"Friction and Wear Characteristics of Micro-Arc Oxidation Coating on Ti6Al4V Alloy—A Review","authors":"Zhangyue Qin,&nbsp;Xiaogang Zhang,&nbsp;Yali Zhang,&nbsp;Yong Luo,&nbsp;Zhongmin Jin","doi":"10.1049/bsb2.70000","DOIUrl":"https://doi.org/10.1049/bsb2.70000","url":null,"abstract":"<p>Ti6Al4V alloy is widely used in artificial joints, artificial bones, and dental implants due to its elastic modulus similar to that of bone, good biocompatibility and non-cytotoxicity, low density, and excellent fatigue resistance. However, its utility is constrained by the low surface hardness and inadequate wear resistance. Micro-arc oxidation (MAO) technology emerges as a surface modification method characterised by a straightforward process and superior processing efficacy, making it particularly favoured in enhancing the wear resistance of Ti6Al4V. This paper commenced by elucidating the fundamental principles of micro-arc oxidation. Subsequently, it examined the impacts of crucial parameters such as electrolyte type, concentration, processing voltage, current, time, and electrolyte additives on the friction and wear properties of Ti6Al4V alloy MAO coatings, proposing three mechanisms for optimising wear resistance. The primary strategies for augmenting the microhardness and wear resistance of Ti6Al4V alloy MAO coatings involved pore reduction even sealing, lubrication enhancement, and hard compound generation. Following this, the article synthesised the friction and wear attributes of MAO coatings in conjunction with diverse modification techniques, alongside a review of fretting wear characteristics of Ti6Al4V alloy MAO coatings. Lastly, conclusions and prospects were presented to furnish a foundation for future exploration into the wear resistance of Ti6Al4V alloy MAO coatings in scholarly endeavours.</p>","PeriodicalId":52235,"journal":{"name":"Biosurface and Biotribology","volume":"11 1","pages":""},"PeriodicalIF":1.6,"publicationDate":"2025-03-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1049/bsb2.70000","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143726789","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Fresh tire wear particles from moving vehicles: Dispersion dynamics, exposure, and prevention strategy 行驶车辆产生的新轮胎磨损颗粒:扩散动力学、暴露和预防策略
IF 5.3 2区 环境科学与生态学
Emerging Contaminants Pub Date : 2025-03-27 DOI: 10.1016/j.emcon.2025.100503
Yiwei Xu , Licheng Wang , Ruilin Wang , Weiqi Jiang , Longfei Du , Haibo Huang , Liwu Zhang , Yan Ding
{"title":"Fresh tire wear particles from moving vehicles: Dispersion dynamics, exposure, and prevention strategy","authors":"Yiwei Xu ,&nbsp;Licheng Wang ,&nbsp;Ruilin Wang ,&nbsp;Weiqi Jiang ,&nbsp;Longfei Du ,&nbsp;Haibo Huang ,&nbsp;Liwu Zhang ,&nbsp;Yan Ding","doi":"10.1016/j.emcon.2025.100503","DOIUrl":"10.1016/j.emcon.2025.100503","url":null,"abstract":"<div><div>Tire Wear Particles (TWPs) have emerged as a significant source of non-exhaust emissions, posing potential exposure risks due to increased vehicle ownership and the advent of new energy vehicles. However, the dispersion and flow dynamics of fresh TWPs remain largely unexplored. Here, we used a finite element aerodynamic simulation model to investigate the distribution of fresh TWPs from a moving vehicle and to assess human respiratory exposure near the vehicle. In addition, actual on-road particle level measurements were performed to qualitatively validate the results obtained from our model while developing a laboratory-scale emission reduction solution. Conservative data show that fresh TWPs (of 0.1–10 μm diameter) disperse up to 3.2 m wide and 2.2 m high, with minimal influence of particle size. At 1–2 m from the side of the vehicle driven at 60 km/h, the maximum concentration was found at a height of 0.8 m, reaching 5.0 μg/m3, demonstrating a significant exposure of children and adolescents. The emission reduction solution designed to mitigate the exposure risk (i.e., a collection channel mounted near the wheel cover) was shown to effectively reduce fresh TWP emissions, achieving a capture rate of &gt;40 % at high speeds. Overall, the results obtained underscore the potential health issues associated with TWPs in urban areas, but also the ability to reduce exposure, provided that appropriate mitigation strategies are adopted.</div></div>","PeriodicalId":11539,"journal":{"name":"Emerging Contaminants","volume":"11 3","pages":"Article 100503"},"PeriodicalIF":5.3,"publicationDate":"2025-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143784041","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cover Image, Volume 5, Number 1, March 2025 封面图片,第五卷,第1期,2025年3月
IF 3.4
国际机械系统动力学学报(英文) Pub Date : 2025-03-26 DOI: 10.1002/msd2.70008
{"title":"Cover Image, Volume 5, Number 1, March 2025","authors":"","doi":"10.1002/msd2.70008","DOIUrl":"https://doi.org/10.1002/msd2.70008","url":null,"abstract":"<p><b>Cover Caption</b>: Active vibration control in MIMO systems is a critical research area addressing the complexities of managing vibrations in various engineering applications. Using FEM, piezoelectric theory and FSDT, dynamic response analysis and active vibration control of smart FGM composite plate with FGPM surface actuators and sensors are introduced. To analyze the control efficiency of FGPM sensors and actuators on the FGM host structure, the LQR controller is utilized. It is emphasized that active vibration control of FGM plates can be performed effectively with the proper selection of FGPM sensors and actuators and their accurate distribution on the plate.\u0000\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":60486,"journal":{"name":"国际机械系统动力学学报(英文)","volume":"5 1","pages":"i"},"PeriodicalIF":3.4,"publicationDate":"2025-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/msd2.70008","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143707473","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Urinary exposure level of emerging chemicals in Chinese pregnant women and their associations with oxidative stress 中国孕妇尿中新化学物质暴露水平及其与氧化应激的关系
IF 5.3 2区 环境科学与生态学
Emerging Contaminants Pub Date : 2025-03-25 DOI: 10.1016/j.emcon.2025.100502
Henglin Zhang , Yuxian Liu , Yanan Zhao , Jiye Zhang , Luhan Yang , Guanglan Zhang , Yanpeng Cai , Lan Yang , Jianya Xi , Ziliang Wang , Hong Liang , Maohua Miao , Tao Zhang , Jingchuan Xue
{"title":"Urinary exposure level of emerging chemicals in Chinese pregnant women and their associations with oxidative stress","authors":"Henglin Zhang ,&nbsp;Yuxian Liu ,&nbsp;Yanan Zhao ,&nbsp;Jiye Zhang ,&nbsp;Luhan Yang ,&nbsp;Guanglan Zhang ,&nbsp;Yanpeng Cai ,&nbsp;Lan Yang ,&nbsp;Jianya Xi ,&nbsp;Ziliang Wang ,&nbsp;Hong Liang ,&nbsp;Maohua Miao ,&nbsp;Tao Zhang ,&nbsp;Jingchuan Xue","doi":"10.1016/j.emcon.2025.100502","DOIUrl":"10.1016/j.emcon.2025.100502","url":null,"abstract":"<div><div>Emerging chemicals (ECs), including parabens, bisphenols, bisphenol diglycidyl ethers, N,N′-substituted p-phenylenediamines, and benzotriazoles/benzothiazoles (BTH/BTRs), are widely used in industrial and consumer products. This study aimed to determine the urinary concentrations of 33 ECs and three oxidative stress biomarkers in pregnant women from a large birth cohort in Jiashan, China. Among the detected compounds, methyl paraben (MeP), bisphenol A (BPA), bisphenol A bis(2,3-dihydroxypropyl) glycidyl ether (BADGE·2H<sub>2</sub>O), N-isopropyl-N′-phenyl-1,4-phenylenediamine quinone (IPPDQ), and 1H-benzotriazole (1-H-BTR) were the most prevalent, with median concentrations ranging from 0.51 to 9.02 ng/mL. Notably, BTH/BTRs exhibited the highest exposure levels, approximately 4–16 times greater than those of other ECs. Most ECs showed elevated concentrations in pregnant women who were exposed to secondhand smoke prior to pregnancy. After model analysis, we found that mixtures of ECs were positively associated with both 8-hydroxy-2′-deoxyguanosine (8-OHdG) and 15(R)-prostaglandin F<sub>2α</sub> (15-PGF<sub>2α</sub>), while a negative trend was observed between ECs and 8-iso-prostaglandin F<sub>2α</sub> (8-PGF<sub>2α</sub>). Specifically, urinary benzyl paraben (BzP), BPA, bisphenol S (BPS), N-(1,3-dimethylbutyl)-N′-phenyl-1,4-phenylenediamine quinone (6PPDQ), IPPDQ, 2(3H)-benzothiazole (2-OH-BTH), and 2-methylthio-benzothiazole (2-Me-S-BTH) or 1-H-BTR were significantly (<em>p</em> &lt; 0.05) associated with 8-OHdG. MeP, 6PPDQ, and 2-Me-S-BTH were linked to 15-PGF<sub>2α</sub>, while only bisphenol A (2,3-dihydroxypropyl) glycidyl ether (BADGE·H<sub>2</sub>O) showed a significant positive association with 8-PGF<sub>2α</sub>. This study provides a comprehensive evaluation of the exposure characteristics of ECs and their associations with oxidative stress biomarkers in pregnant women, offering new insights into the health risks associated with ECs exposure during critical periods of pregnancy.</div></div>","PeriodicalId":11539,"journal":{"name":"Emerging Contaminants","volume":"11 2","pages":"Article 100502"},"PeriodicalIF":5.3,"publicationDate":"2025-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143747940","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Recent advances and practical challenges in the research of decellularized matrices for the fabrication of tiny-diameter artificial arteries 制备小直径人造动脉用脱细胞基质的研究进展与挑战
Journal of Leather Science and Engineering Pub Date : 2025-03-24 DOI: 10.1186/s42825-025-00192-y
Yan Liu, Can Cheng, Jiaqi Xing, Zhaoxi Deng, Xu Peng
{"title":"Recent advances and practical challenges in the research of decellularized matrices for the fabrication of tiny-diameter artificial arteries","authors":"Yan Liu,&nbsp;Can Cheng,&nbsp;Jiaqi Xing,&nbsp;Zhaoxi Deng,&nbsp;Xu Peng","doi":"10.1186/s42825-025-00192-y","DOIUrl":"10.1186/s42825-025-00192-y","url":null,"abstract":"<div><p>Despite advances in synthetic vascular grafts, replicating the dynamic biological functions of native microvasculature remains a critical challenge in cardiovascular tissue engineering. While polymer-based conduits offer scalability and dimensional versatility, the inherent bioinert nature leads to high failure rates in &lt; 6 mm diameter applications due to thrombotic complications and mechanical mismatch with host tissue. Decellularized matrices (dECM) scaffolds emerge as a biologically strategic alternative, preserving crucial vascular basement membrane components and biomechanical cues through collagen/elastin retention. The present review systematically elaborates the research advancements, critical determinants, and practical challenges in utilizing dECM for tiny-diameter artificial vessels (inner diameter &lt; 3 mm), while proposing three forward-looking solutions to address clinical translation barriers: (1) matrix optimization strategies through diameter-specific compliance matching and elastin reconstitution; (2) sterilization and preservation protocols preserving structural integrity with controlled immunogenicity; (3) immunomodulatory engineering via macrophage polarization regulation. The proposed methodologies establish innovative avenues for the engineering and clinical transplantation of tiny-diameter artificial vessels.</p><h3>Graphical abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":640,"journal":{"name":"Journal of Leather Science and Engineering","volume":"7 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://JLSE.SpringerOpen.com/counter/pdf/10.1186/s42825-025-00192-y","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143676376","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Unravelling the ecological ramifications of biodegradable microplastics in soil environment: A systematic review 揭示可生物降解微塑料在土壤环境中的生态后果:系统综述
IF 5.3 2区 环境科学与生态学
Emerging Contaminants Pub Date : 2025-03-24 DOI: 10.1016/j.emcon.2025.100504
U. Umasankar , P.C. Sabumon
{"title":"Unravelling the ecological ramifications of biodegradable microplastics in soil environment: A systematic review","authors":"U. Umasankar ,&nbsp;P.C. Sabumon","doi":"10.1016/j.emcon.2025.100504","DOIUrl":"10.1016/j.emcon.2025.100504","url":null,"abstract":"<div><div>Plastic pollution, especially microplastics (MPs), poses significant environmental challenges, with biodegradable plastics (BPs) often presented as sustainable alternatives. However, incomplete degradation of BPs in soil environment leads to the creation of biodegradable microplastics (BMPs), whose impacts remain inadequately understood. This systematic review synthesizes findings from 85 publications to assess the effects of BMPs on soil ecosystems, encompassing physical, chemical, and biological properties. BMPs influence soil texture, porosity, nutrient cycling, microbial diversity, and plant growth, with varying impacts depending on polymer type, concentration, and soil conditions. While BMPs can enhance soil organic matter and microbial activity at low concentrations, higher concentrations often alter nutrient availability and soil stability. Soil biota shows differential responses to BMPs, with potential implications for nutrient cycling and soil ecosystem functioning. Contradictory research findings underscore the need for long-term, field-based studies under varied environmental conditions. The insights from this review contribute to a deeper understanding of the ecological ramifications of BMPs in soil ecosystems, highlighting critical research gaps, advocating for multidisciplinary approaches to comprehensively evaluate impacts of BMPs.</div></div>","PeriodicalId":11539,"journal":{"name":"Emerging Contaminants","volume":"11 2","pages":"Article 100504"},"PeriodicalIF":5.3,"publicationDate":"2025-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143747939","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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