The emergence of innovative 3D-printed hybrid scaffolds is transforming the landscape of tissue engineering by effectively addressing various regenerative clinical challenges.These scaffolds,which combine the advantag...The emergence of innovative 3D-printed hybrid scaffolds is transforming the landscape of tissue engineering by effectively addressing various regenerative clinical challenges.These scaffolds,which combine the advantageous properties of metals,polymers,and ceramics,surpass the limitations associated with single-material constructs.This review provides a comprehensive analysis of the applications of hybrid scaffolds in cardiology,orthopedics,and neural tissue regeneration,highlighting their role in advancing biomimetics,accelerating wound healing,enabling targeted drug delivery,and facilitating tumor therapy.Critical factors such as biomechanical compatibility,bioactivity,degradation rates,and mechanical integrity are critically evaluated following scaffold integration into host tissues.Additionally,nano-topographical features are explored to assess scaffold performance and cellular interactions.Key architectural parameters such as porosity,pore size,and interconnectivity are analyzed for their biological implications in physiological conditions.Furthermore,the investigation extends to smart scaffolds that incorporate stimuli-responsive mechanisms through 4D printing and shape memory polymers,which mimic the complex and dynamic properties of living tissues in response to various stimuli.The review concludes by highlighting the significance of integrating stimuli-responsive characteristics as a fourth dimension in hybrid scaffolds,thereby enhancing their potential for advanced clinical applications.展开更多
The increasing focus on electrocatalysis for sustainable hydrogen(H_(2))production has prompted significant interest in MXenes,a class of two-dimensional(2D)materials comprising metal carbides,carbonitrides,and nitrid...The increasing focus on electrocatalysis for sustainable hydrogen(H_(2))production has prompted significant interest in MXenes,a class of two-dimensional(2D)materials comprising metal carbides,carbonitrides,and nitrides.These materials exhibit intriguing chemical and physical properties,including excellent electrical conductivity and a large surface area,making them attractive candidates for the hydrogen evolution reaction(HER).This scientific review explores recent advancements in MXene-based electrocatalysts for HER kinetics.It discusses various compositions,functionalities,and explicit design principles while providing a comprehensive overview of synthesis methods,exceptional properties,and electro-catalytic approaches for H_(2) production via electrochemical reactions.Furthermore,challenges and future prospects in designing MXenes-based electrocatalysts with enhanced kinetics are highlighted,emphasizing the potential of incorporating different metals to expand the scope of electrochemical reactions.This review suggests possible efforts for developing advanced MXenes-based electrocatalysts,particularly for efficient H_(2) generation through electrochemical water-splitting reactions..展开更多
Successful synthesis of rGO@Gd_(2)TiIn_(2)O_(7)nanocomposite(rGO@GTINC)as an effective electrocatalytic material for hydrazine detection is reported.The desirable rGO@GTINC was constructed under a simple hydrothermal ...Successful synthesis of rGO@Gd_(2)TiIn_(2)O_(7)nanocomposite(rGO@GTINC)as an effective electrocatalytic material for hydrazine detection is reported.The desirable rGO@GTINC was constructed under a simple hydrothermal method using key precursors in stoichiometric proportions.Advanced analytical and spectroscopic procedures were used to ascertain the structural and physico-chemical characteristics of rGO@GTINC.Characterization results provided critical insights into the well-defined crystalline structure and improved size uniformity achieved through the successful incorporation of rGO within the nanocomposite,ensuring stability and structural integrity.For electrochemical analysis,as-synthesized rGO@GTINC was modified onto a glassy carbon electrode(GCE),resulting in the GCE/rGO@GTINC configuration.Investigations confirmed that the integration of rGO@GTINC into the working electrode significantly enhanced the sensing performance.The electrochemical qualities of rGO enhanced the electron transfer rate,resulting in a lower peak potential and an increased oxidation peak current.The constructed rGO@GTINC sensor demonstrated an extensive linear range of hydrazine sensing(1-120μmol·L)with a low detection limit of 31 nmol·L^(-1).The constructed rGO@GTINC sensor's good recovery rate in the real sample analysis ensures accurate detection and quantification of hydrazine in food samples.The prepared sensor showed acceptable reproducibility,stability,and good selectivity toward hydrazine and provided an effective approach to using electrochemical hydrazine sensing in different food beverages and environmental samples.展开更多
Fly ash,as a byproduct of municipal solid waste incineration,contains several kinds of pollutants,especially dissolvable salts that cause a severe challenge for fly ash disposal.Washing combined with cement kiln co-pr...Fly ash,as a byproduct of municipal solid waste incineration,contains several kinds of pollutants,especially dissolvable salts that cause a severe challenge for fly ash disposal.Washing combined with cement kiln co-processing for fly ash disposal has been applied in China.After washing,the wastewater was evaporated to produce fly ash salt(FAS).In this study,FAS was mixed the KCl and LiCl to be used as molten chloride salt for energy storage material.Twenty-three types of molten salts with various ratios of FAS-KCl-LiCl were evaluated.Thermophysical properties(melting point and latent heat)and thermal stability of these salts were characterized.The increase in FAS fraction decreased the latent heat of molten salts.Among the tested samples,the best compatibility ratio of FAS:KCl:LiCl was 10:50:40(%,in weight),with latent heat of 108.7 J/g and melting point of 333℃.This molten salt also showed good thermal stability after 1–13 h of thermal experiments,and the mass loss was less than 2%after 5 heating cycles at 600℃.By corrosion test,FAS-KCl-LiCl(10:50:40,%in weight)could be more safely used in vessels made of nickel-based alloy,but it might cause corrosion risk for stainless steel.展开更多
Correction to:Waste Disposal&Sustainable Energy(2022)4:193-203 https:/doi.0rg/10.1007/s42768-022-00110-6 The section‘Conflict of Interest'has been amended:‘Mi Yan is the Young Editorial Board member of Waste...Correction to:Waste Disposal&Sustainable Energy(2022)4:193-203 https:/doi.0rg/10.1007/s42768-022-00110-6 The section‘Conflict of Interest'has been amended:‘Mi Yan is the Young Editorial Board member of Waste Disposal&Sustainable Energy.'The revised‘Conflict of Interest'is as follows:Mi Yan is the Young Editorial Board member of Waste Disposal&Sustainable Energy.The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.展开更多
基金Study of smart biodegradable zinc-alloyed stents for the repair of vessels and steady state remodeling,National Nature Project Grant Number:82,270,535.
文摘The emergence of innovative 3D-printed hybrid scaffolds is transforming the landscape of tissue engineering by effectively addressing various regenerative clinical challenges.These scaffolds,which combine the advantageous properties of metals,polymers,and ceramics,surpass the limitations associated with single-material constructs.This review provides a comprehensive analysis of the applications of hybrid scaffolds in cardiology,orthopedics,and neural tissue regeneration,highlighting their role in advancing biomimetics,accelerating wound healing,enabling targeted drug delivery,and facilitating tumor therapy.Critical factors such as biomechanical compatibility,bioactivity,degradation rates,and mechanical integrity are critically evaluated following scaffold integration into host tissues.Additionally,nano-topographical features are explored to assess scaffold performance and cellular interactions.Key architectural parameters such as porosity,pore size,and interconnectivity are analyzed for their biological implications in physiological conditions.Furthermore,the investigation extends to smart scaffolds that incorporate stimuli-responsive mechanisms through 4D printing and shape memory polymers,which mimic the complex and dynamic properties of living tissues in response to various stimuli.The review concludes by highlighting the significance of integrating stimuli-responsive characteristics as a fourth dimension in hybrid scaffolds,thereby enhancing their potential for advanced clinical applications.
基金the financial support from the Sunway University International Research Network Grant Scheme(STR-IRNGSSET-GAMRG-01-2022)the Universiti Kebangsaan Malaysia Grant(GUP-2022-080)。
文摘The increasing focus on electrocatalysis for sustainable hydrogen(H_(2))production has prompted significant interest in MXenes,a class of two-dimensional(2D)materials comprising metal carbides,carbonitrides,and nitrides.These materials exhibit intriguing chemical and physical properties,including excellent electrical conductivity and a large surface area,making them attractive candidates for the hydrogen evolution reaction(HER).This scientific review explores recent advancements in MXene-based electrocatalysts for HER kinetics.It discusses various compositions,functionalities,and explicit design principles while providing a comprehensive overview of synthesis methods,exceptional properties,and electro-catalytic approaches for H_(2) production via electrochemical reactions.Furthermore,challenges and future prospects in designing MXenes-based electrocatalysts with enhanced kinetics are highlighted,emphasizing the potential of incorporating different metals to expand the scope of electrochemical reactions.This review suggests possible efforts for developing advanced MXenes-based electrocatalysts,particularly for efficient H_(2) generation through electrochemical water-splitting reactions..
基金Deanship of Scientific Research at King Khalid University for funding this work through a large group Research Project under grant number RGP.2/389/46。
文摘Successful synthesis of rGO@Gd_(2)TiIn_(2)O_(7)nanocomposite(rGO@GTINC)as an effective electrocatalytic material for hydrazine detection is reported.The desirable rGO@GTINC was constructed under a simple hydrothermal method using key precursors in stoichiometric proportions.Advanced analytical and spectroscopic procedures were used to ascertain the structural and physico-chemical characteristics of rGO@GTINC.Characterization results provided critical insights into the well-defined crystalline structure and improved size uniformity achieved through the successful incorporation of rGO within the nanocomposite,ensuring stability and structural integrity.For electrochemical analysis,as-synthesized rGO@GTINC was modified onto a glassy carbon electrode(GCE),resulting in the GCE/rGO@GTINC configuration.Investigations confirmed that the integration of rGO@GTINC into the working electrode significantly enhanced the sensing performance.The electrochemical qualities of rGO enhanced the electron transfer rate,resulting in a lower peak potential and an increased oxidation peak current.The constructed rGO@GTINC sensor demonstrated an extensive linear range of hydrazine sensing(1-120μmol·L)with a low detection limit of 31 nmol·L^(-1).The constructed rGO@GTINC sensor's good recovery rate in the real sample analysis ensures accurate detection and quantification of hydrazine in food samples.The prepared sensor showed acceptable reproducibility,stability,and good selectivity toward hydrazine and provided an effective approach to using electrochemical hydrazine sensing in different food beverages and environmental samples.
基金support from the International Cooperation Project of Zhejiang Province(No.2019C04026)National Natural Science Foundation,China(No.51976196).
文摘Fly ash,as a byproduct of municipal solid waste incineration,contains several kinds of pollutants,especially dissolvable salts that cause a severe challenge for fly ash disposal.Washing combined with cement kiln co-processing for fly ash disposal has been applied in China.After washing,the wastewater was evaporated to produce fly ash salt(FAS).In this study,FAS was mixed the KCl and LiCl to be used as molten chloride salt for energy storage material.Twenty-three types of molten salts with various ratios of FAS-KCl-LiCl were evaluated.Thermophysical properties(melting point and latent heat)and thermal stability of these salts were characterized.The increase in FAS fraction decreased the latent heat of molten salts.Among the tested samples,the best compatibility ratio of FAS:KCl:LiCl was 10:50:40(%,in weight),with latent heat of 108.7 J/g and melting point of 333℃.This molten salt also showed good thermal stability after 1–13 h of thermal experiments,and the mass loss was less than 2%after 5 heating cycles at 600℃.By corrosion test,FAS-KCl-LiCl(10:50:40,%in weight)could be more safely used in vessels made of nickel-based alloy,but it might cause corrosion risk for stainless steel.
文摘Correction to:Waste Disposal&Sustainable Energy(2022)4:193-203 https:/doi.0rg/10.1007/s42768-022-00110-6 The section‘Conflict of Interest'has been amended:‘Mi Yan is the Young Editorial Board member of Waste Disposal&Sustainable Energy.'The revised‘Conflict of Interest'is as follows:Mi Yan is the Young Editorial Board member of Waste Disposal&Sustainable Energy.The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
