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Force-joule heat synergy for heat control in inhibiting intermetallic compounds during joining of 303 stainless steel and 6063 aluminium alloy
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2025-04-11 DOI: 10.1016/j.matlet.2025.138553
Yang Yang , Yuanbo Bi , Bingbing Chen , Yue Yang , Zhen Luo
{"title":"Force-joule heat synergy for heat control in inhibiting intermetallic compounds during joining of 303 stainless steel and 6063 aluminium alloy","authors":"Yang Yang ,&nbsp;Yuanbo Bi ,&nbsp;Bingbing Chen ,&nbsp;Yue Yang ,&nbsp;Zhen Luo","doi":"10.1016/j.matlet.2025.138553","DOIUrl":"10.1016/j.matlet.2025.138553","url":null,"abstract":"<div><div>In order to reduce the formation of Fe-Al intermetallic compounds (IMCs) in the welding process. The heat distribution and heat production efficiency of 303 stainless steel (SS) and 6063 aluminium (Al) alloy are changed through the design of welding structure and the rational control of the force in the pressure resistance welding (PRW). The plastic flow of Al alloy makes the welding heat distribution more reasonable, and Al/SS joints with uniform continuous IMCs layer or no IMCs layer can be obtained in local areas. The microstructure and mechanical properties of the joint were analyzed in detail. The grain size of the weld nugget is fully refined. The compressive-shear force of the joint can reach 2.41 kN, and the fracture mode of the joint is brittle fracture.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"393 ","pages":"Article 138553"},"PeriodicalIF":2.7,"publicationDate":"2025-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143843999","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Biosynthesis of nano-hydroxyapatite from potential probiotic Bacillus amyloliquefaciens and its effect on osteoblastic cells
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2025-04-11 DOI: 10.1016/j.matlet.2025.138549
Sabereh Nouri , Giti Emtiazi , Rasoul Roghanian , Songul Ulag , Oguzhan Gunduz
{"title":"Biosynthesis of nano-hydroxyapatite from potential probiotic Bacillus amyloliquefaciens and its effect on osteoblastic cells","authors":"Sabereh Nouri ,&nbsp;Giti Emtiazi ,&nbsp;Rasoul Roghanian ,&nbsp;Songul Ulag ,&nbsp;Oguzhan Gunduz","doi":"10.1016/j.matlet.2025.138549","DOIUrl":"10.1016/j.matlet.2025.138549","url":null,"abstract":"<div><div>The eco-friendly synthesis of nano-biomaterials has gained prominence in bone disorder treatment. This study explores the green synthesis of nano-hydroxyapatite using <em>Bacillus amyloliquefaciens</em> and evaluates its biocompatibility and osteogenic potential in MG-63 and MC3T3-E1 cell lines. Characterization confirmed desirable crystallinity and elemental composition. The nanoparticles exhibited no significant toxicity over 21 days, enhancing matrix mineralization and alkaline phosphatase activity (0.44 U/mg in MG-63, 0.55 U/mg in MC3T3-E1). These findings highlight the potential of probiotic-derived nano-Hydroxyapatite for bone tissue engineering and regenerative medicine.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"392 ","pages":"Article 138549"},"PeriodicalIF":2.7,"publicationDate":"2025-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143823509","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Characterization of woven glass fiber mesh reinforced polymer composites fabricated by material extrusion additive manufacturing 利用材料挤压增材制造技术制造的玻璃纤维编织网增强聚合物复合材料的表征
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2025-04-10 DOI: 10.1016/j.matlet.2025.138570
Ankit Dhar Dubey, Kishore Debnath
{"title":"Characterization of woven glass fiber mesh reinforced polymer composites fabricated by material extrusion additive manufacturing","authors":"Ankit Dhar Dubey,&nbsp;Kishore Debnath","doi":"10.1016/j.matlet.2025.138570","DOIUrl":"10.1016/j.matlet.2025.138570","url":null,"abstract":"<div><div>Fiber-reinforced composites (FRCs) fabricated through 3D printing are gaining significant attention due to their enhanced mechanical performance. This study demonstrates a multi-layer fiber integration in fabricating polymer composites by 3D printing process using woven glass fiber (WGF) mesh. In this study, woven glass fiber (WGF) mesh-reinforced polylactic acid (PLA) composites were fabricated with the combination of different fiber orientations (0/90°, 30/60°, and 45/-45°) and nozzle temperatures (200 °C, 220 °C, and 240 °C) to analyze the adhesion strength. Further, composite specimens were fabricated with the addition of one to nine layers of glass fiber meshes to study their tensile properties. The highest tensile strength of 49.1 MPa was observed for specimens with nine layers. Furthermore, improved fiber–matrix adhesion, as quantified by the peel test, showed higher mechanical performance.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"393 ","pages":"Article 138570"},"PeriodicalIF":2.7,"publicationDate":"2025-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143830402","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Solvothermal synthesis of BiOBr nanospheres from 1, 2-dibromobenzene
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2025-04-10 DOI: 10.1016/j.matlet.2025.138561
Shengnan Yuan , Guodong Shen , Wenjun Wang , Lin Hou , Yueyue Song , Yijun Yao
{"title":"Solvothermal synthesis of BiOBr nanospheres from 1, 2-dibromobenzene","authors":"Shengnan Yuan ,&nbsp;Guodong Shen ,&nbsp;Wenjun Wang ,&nbsp;Lin Hou ,&nbsp;Yueyue Song ,&nbsp;Yijun Yao","doi":"10.1016/j.matlet.2025.138561","DOIUrl":"10.1016/j.matlet.2025.138561","url":null,"abstract":"<div><div>The morphology and size of photocatalyst directly affect the spectral absorption, adsorption and degradation efficiency for pollutants, which are the key factors affecting photocatalytic performance. The unique layered crystal structure of BiOBr makes it easy to grow along the (001) direction to form two-dimensional sheets, but the synthesis of BiOBr nanospheres has not been reported. In this work, BiOBr nanospheres with a size less than 50 nm were synthesized by solvothermal method for the first time. The organic bromine source (1, 2-dibromobenzene) and high reactant concentration are the two main conditions for the synthesis of BiOBr nanospheres. BiOBr nanospheres could rapidly degrade Rhodamine B dye under visible light irradiation. The results could provide a novel process for the controlled preparation of BiOBr and more research basis for the deep photocatalytic degradation of printing and dyeing wastewater.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"392 ","pages":"Article 138561"},"PeriodicalIF":2.7,"publicationDate":"2025-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143823425","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Structural and optical properties of Ga2O3 nanorod arrays sputtered using AAO templates
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2025-04-10 DOI: 10.1016/j.matlet.2025.138568
Yingxi Li , Lei Feng , Jun Zhu , Hai Zhang , Sihua Ha , Kexiong Zhang
{"title":"Structural and optical properties of Ga2O3 nanorod arrays sputtered using AAO templates","authors":"Yingxi Li ,&nbsp;Lei Feng ,&nbsp;Jun Zhu ,&nbsp;Hai Zhang ,&nbsp;Sihua Ha ,&nbsp;Kexiong Zhang","doi":"10.1016/j.matlet.2025.138568","DOIUrl":"10.1016/j.matlet.2025.138568","url":null,"abstract":"<div><div>Ga<sub>2</sub>O<sub>3</sub> nanorod arrays were prepared by radio frequency magnetron sputtering through an anodic aluminum oxide template with pore size of 360 nm at room temperature. The surface morphology as well as elemental composition and chemical states were analyzed by scanning electron microscope and X-ray photoelectron measurements. With increasing sputtering time, the nanorod height increases but some irregular structures like voids and defects can be found in the prepared nanorod arrays. The UV–Vis spectra show that the average UV transmittance of the nanorod arrays was beyond 65 %. Hence, the AAO template-assisted thin film deposition presented in this research can be considered as a potential method for further fabrication of UV light detectors and gas sensors.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"392 ","pages":"Article 138568"},"PeriodicalIF":2.7,"publicationDate":"2025-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143823430","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Corrosion and oxidation on iron surfaces in pure water and Cl- containing water solution with ReaxFF molecular dynamic simulations
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2025-04-10 DOI: 10.1016/j.matlet.2025.138546
Yiqing Chen , Xiaoqian Fu , Zhanming Cheng , Guang Yang , Bin Zhong , Fangfang Ai , Hongyu San , Yucheng Ji , Chaofang Dong
{"title":"Corrosion and oxidation on iron surfaces in pure water and Cl- containing water solution with ReaxFF molecular dynamic simulations","authors":"Yiqing Chen ,&nbsp;Xiaoqian Fu ,&nbsp;Zhanming Cheng ,&nbsp;Guang Yang ,&nbsp;Bin Zhong ,&nbsp;Fangfang Ai ,&nbsp;Hongyu San ,&nbsp;Yucheng Ji ,&nbsp;Chaofang Dong","doi":"10.1016/j.matlet.2025.138546","DOIUrl":"10.1016/j.matlet.2025.138546","url":null,"abstract":"<div><div>Fe/H<sub>2</sub>O/Cl reaction force field molecular dynamics simulations were employed to study the transient processes of surficial oxidation and corrosion. Under 300 K, it was found that significant oxidation occurred on the (100) and (111), while the (110) remained stable. Based on the radial distribution functions, Fe oxide film primarily consisted of Fe<sub>2</sub>O<sub>3</sub>, with intermediate layers resembling Fe<sub>3</sub>O<sub>4</sub> and inner layers similar to FeO. After Cl participated in the reaction, the Fe (110) underwent significant oxidation, Cl did not enter the Fe matrix, but accelerated the O penetration.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"392 ","pages":"Article 138546"},"PeriodicalIF":2.7,"publicationDate":"2025-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143815905","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Fabrication of electrospun Bi-doped TiO2 nanofibers with high photocatalytic activity
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2025-04-10 DOI: 10.1016/j.matlet.2025.138514
Jae-Yoon Kim , Kyeong-Han Na , Han-Sol Yoon , So-Hyeon Lee , Si-Hyeon Kim , Won-Youl Choi
{"title":"Fabrication of electrospun Bi-doped TiO2 nanofibers with high photocatalytic activity","authors":"Jae-Yoon Kim ,&nbsp;Kyeong-Han Na ,&nbsp;Han-Sol Yoon ,&nbsp;So-Hyeon Lee ,&nbsp;Si-Hyeon Kim ,&nbsp;Won-Youl Choi","doi":"10.1016/j.matlet.2025.138514","DOIUrl":"10.1016/j.matlet.2025.138514","url":null,"abstract":"<div><div>Titanium dioxide (TiO<sub>2</sub>) has been widely used as a photocatalytic material due to its high durability, chemical stability, and non-toxic properties. However, the commercialization of TiO<sub>2</sub> photocatalysts confronts challenges due to the wide bandgap and rapid electron-hole recombination. Various methods, such as surface modification, heterojunction formation, and doping, aim to overcome these limitations. In this study, one-dimensional Bi-doped TiO<sub>2</sub> nanofibers were prepared using an electrospinning process, and the dopant concentration was controlled through the composition of a precursor sol solution. Mixtures of titanium tetraisopropoxide and bismuth nitrate dissolved in ethanol were used as the precursor. The prepared nanofibers were characterized using FE-SEM, XRD, XPS and Raman spectroscopy and FT-IR. The microstructure and surface morphology showed uniform fibrous structure, and doping of Bi into the TiO<sub>2</sub> matrix was confirmed. The crystal structure was indexed to a mixed phase of anatase and rutile. The average diameter of the samples was 623 nm. To evaluate photocatalytic efficiency, a photodegradation test was carried out on acid orange 7 (AO7) and methylene blue (MB) using Bi-doped TiO<sub>2</sub> nanofibers. Under UV irradiation, the Bi-doped TiO<sub>2</sub> nanofibers showed better AO7 degradation activity compared to the pure TiO<sub>2</sub> nanofibers, but photodegrading methylene blue was less effective. The highest photodegradation percentages were 62.48 % for TNF3 in AO7 and 97.10 % for TNF0 in MB.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"392 ","pages":"Article 138514"},"PeriodicalIF":2.7,"publicationDate":"2025-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143825389","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
α-Fe2WO6: A new high efficient electrocatalyst for oxygen evolution reaction
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2025-04-10 DOI: 10.1016/j.matlet.2025.138559
Olívia B.M. Aranha , Thiago O. Pereira , André L. Menezes de Oliveira , Ricardo F. Alves , Bruno A. S. G. Lima , Alex M. Neris , Marco A. Morales , Alexandre B. Oliveira , Márcio M. Soares , Daniel A. Macedo , Ieda M. Garcia dos Santos
{"title":"α-Fe2WO6: A new high efficient electrocatalyst for oxygen evolution reaction","authors":"Olívia B.M. Aranha ,&nbsp;Thiago O. Pereira ,&nbsp;André L. Menezes de Oliveira ,&nbsp;Ricardo F. Alves ,&nbsp;Bruno A. S. G. Lima ,&nbsp;Alex M. Neris ,&nbsp;Marco A. Morales ,&nbsp;Alexandre B. Oliveira ,&nbsp;Márcio M. Soares ,&nbsp;Daniel A. Macedo ,&nbsp;Ieda M. Garcia dos Santos","doi":"10.1016/j.matlet.2025.138559","DOIUrl":"10.1016/j.matlet.2025.138559","url":null,"abstract":"<div><div>α-Fe<sub>2</sub>WO<sub>6</sub> (FWO) was successfully synthesized by the modified Pechini method and applied as an electrocatalyst for the oxygen evolution reaction (OER) for the first time. The FWO sample was systematically investigated by XRD, FTIR, Raman, FE-SEM/EDS, TEM, EPR and Mössbauer spectroscopy to understand its properties. FWO showed promising electrochemical performance with an overpotential of 306 mV@10 mA cm<sup>−2</sup> and a Tafel slope of 48.5 mV dec<sup>−1</sup>, associated with the charge balance in the materials lattice involving essentially Fe<sup>3+</sup> and W<sup>6+</sup> cations. The catalyst exhibited excellent short-term stability for 24 h at 10 mA cm<sup>−2</sup>, indicating its potential as a cost-effective alternative for OER.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"392 ","pages":"Article 138559"},"PeriodicalIF":2.7,"publicationDate":"2025-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143815908","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cobalt-doping and CoOx cocatalyst synergistically enhances BiVO4 photoelectrochemical water and methane oxidation
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2025-04-10 DOI: 10.1016/j.matlet.2025.138569
Alessandra P. Rodrigues , Maximiliano J.M. Zapata , Carla P. Ricardo , Cauê A. Martins , Heberton Wender
{"title":"Cobalt-doping and CoOx cocatalyst synergistically enhances BiVO4 photoelectrochemical water and methane oxidation","authors":"Alessandra P. Rodrigues ,&nbsp;Maximiliano J.M. Zapata ,&nbsp;Carla P. Ricardo ,&nbsp;Cauê A. Martins ,&nbsp;Heberton Wender","doi":"10.1016/j.matlet.2025.138569","DOIUrl":"10.1016/j.matlet.2025.138569","url":null,"abstract":"<div><div>This study presents a BiVO<sub>4</sub> (BVO) photoanode modified with cobalt doping and CoO<sub>x</sub> cocatalyst (Co<sub>10</sub>BVO/CoO<sub>x</sub>) to enhance photoelectrochemical (PEC) performance, particularly for methane oxidation. While BVO is well-studied for water oxidation, its application in methane conversion remains limited. The synergistic effect of Co-doping and CoO<sub>x</sub> significantly improves PEC performance, achieving photocurrent densities of 4.2 and 4.6 mA/cm<sup>2</sup> at 1.23 V<sub>RHE</sub> for water and methane oxidation, respectively. Despite maintaining structural, optical, and morphological properties like pristine BVO, Co<sub>10</sub>BVO/CoO<sub>x</sub> exhibits reduced charge transfer resistance, increased carrier density, and a lower onset potential, enhancing PEC activity. These findings highlight the potential of this dual modification strategy for solar-driven methane valorization and sustainable fuel production.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"392 ","pages":"Article 138569"},"PeriodicalIF":2.7,"publicationDate":"2025-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143823428","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Fluorine-free super-hydrophobic barium sulfate particles for passive daytime radiative cooling
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2025-04-09 DOI: 10.1016/j.matlet.2025.138560
Guimin Chen , Zhiheng Zheng , Ping Zhang
{"title":"Fluorine-free super-hydrophobic barium sulfate particles for passive daytime radiative cooling","authors":"Guimin Chen ,&nbsp;Zhiheng Zheng ,&nbsp;Ping Zhang","doi":"10.1016/j.matlet.2025.138560","DOIUrl":"10.1016/j.matlet.2025.138560","url":null,"abstract":"<div><div>To enhance the application of barium sulfate (BaSO<sub>4</sub>) particles in passive daytime radiative cooling (PDRC), we developed a simple fluorine-free hydrophobic modification method for BaSO<sub>4</sub> particles using hexadecyl trimethoxy silane (HDTMS) under mild conditions. The modified BaSO<sub>4</sub> (M−BaSO<sub>4</sub>) particles exhibited super-hydrophobicity with a water contact angle (WCA) of 165.6<span><math><mrow><msup><mrow><mspace></mspace></mrow><mo>°</mo></msup></mrow></math></span> and enhanced dispersibility. M−BaSO<sub>4</sub> particles showed negligible changes in spectral properties compared to BaSO<sub>4</sub> particles, maintaining their suitability for PDRC. Furthermore, HDTMS exhibited the potential to hydrophobically modify both BaSO<sub>4</sub> and SiO<sub>2</sub> particles simultaneously. This work provides a promising fluorine-free hydrophobic modification strategy to broaden the applications of BaSO<sub>4</sub> particles in PDRC.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"393 ","pages":"Article 138560"},"PeriodicalIF":2.7,"publicationDate":"2025-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143832565","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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