Hydrogen production by photosynthetic green algae is an efficient biological process that utilizes light energy to convert water and carbon dioxide into clean and renewable energy.In this paper,we constructed a hybrid...Hydrogen production by photosynthetic green algae is an efficient biological process that utilizes light energy to convert water and carbon dioxide into clean and renewable energy.In this paper,we constructed a hybrid system combining graphitic carbon nitride(g-C_(3)N_(4))and Chlorella pyrenoidosa(Chlorella),in which g-C_(3)N_(4) serves as an extracellular electron source and Chlorella acts as a biological reactor for specific hydrogen production.In particular,the electronic structure of carbon nitride was optimized by means of hydrothermal alkalization and copper ion doping,expanded the light absorption range and enhanced the light response ability.g-C_(3)N_(4),as an extracellular electron source,can provide electrons for Chlorella to improve hydrogen production performance which is 3.7 times that of bare Chlorella.The construction of a biological hybrid system is a feasible optimization strategy for the hybrid system to promote the synergistic effect of the hybrid system by regulating the properties of non-living components.展开更多
This research article introduces a high-order finite element model based on the first-order shear deformation theory to analyze the hygrothermal static responses of nanoscale,multidirectional nanofunctionally graded p...This research article introduces a high-order finite element model based on the first-order shear deformation theory to analyze the hygrothermal static responses of nanoscale,multidirectional nanofunctionally graded piezoelectric(NFGP)plates resting on variable elastic foundations.The study considers the material properties of these plates,which are governed by three distinct material laws—Power,Exponential,and Sigmoid as well as various patterns of porosity distribution.The derived governing equations are formulated using Hamilton's principle and incorporate nonlocal piezoelasticity theory,employing a nine-node isoperimetric quadrilateral Lagrangian element capable of handling six degrees of freedom.A comprehensive parametric study is conducted,examining the influence of the small-scale parameter,material exponent for multidirectional grading,variable foundation stiffness,porosity-related exponent,thickness ratio,and the effects of hygrothermal and electrical loading on the NFGP plates,all while considering different boundary conditions.The findings provide valuable insights into the interaction between multidirectional graded smart structures and their foundations under varying hygrothermal and electromechanical conditions,which can significantly enhance the efficiency of designing and developing intelligent structures and systems.展开更多
Although great progress has been made in devising new methods for cell engineering,uncovering universal and highly biocompatible approaches to nanofunctionalizing cells for creating novel cell-based living biomaterial...Although great progress has been made in devising new methods for cell engineering,uncovering universal and highly biocompatible approaches to nanofunctionalizing cells for creating novel cell-based living biomaterials with enhanced stabilities and functions remains an important goal.Here,we developed a phase separated lysozyme(PSL)-based strategy for generating functionalized HeLa cells with high stability and resistance to trypsin action.Due to the rich functional groups,PSL nanocoating on the HeLa cell surface could serve as a biointerface for customtailored functionalization with nanomaterials of oxides,carbon,semiconductor,and metals to create biotic-abiotic living materials.Significantly,this PSL-based strategy could be applied to mammalian,algal,and bacterial cells for applications with precise functions from nanomaterials.Overall,this study identified a rational and general strategy to create nanofunctionalized cells with precise functions expected to pave the way to opportunities in synthesizing living biomaterials based on the phase separation proteins.展开更多
基金supported by the National Key Research and Development Program of China(2022YFB3805600,2022YFB3805604)the Key R&D Program of Shandong Province,China(2023CXGC010314)+1 种基金the Hubei Provincial Natural Science Foundation of China(2024AFB195,2025EHA051)the Guangdong Basic and Applied Basic Research Foundation(2025A1515010634,2024A1515012613,and 2025A1515011773)。
文摘Hydrogen production by photosynthetic green algae is an efficient biological process that utilizes light energy to convert water and carbon dioxide into clean and renewable energy.In this paper,we constructed a hybrid system combining graphitic carbon nitride(g-C_(3)N_(4))and Chlorella pyrenoidosa(Chlorella),in which g-C_(3)N_(4) serves as an extracellular electron source and Chlorella acts as a biological reactor for specific hydrogen production.In particular,the electronic structure of carbon nitride was optimized by means of hydrothermal alkalization and copper ion doping,expanded the light absorption range and enhanced the light response ability.g-C_(3)N_(4),as an extracellular electron source,can provide electrons for Chlorella to improve hydrogen production performance which is 3.7 times that of bare Chlorella.The construction of a biological hybrid system is a feasible optimization strategy for the hybrid system to promote the synergistic effect of the hybrid system by regulating the properties of non-living components.
文摘This research article introduces a high-order finite element model based on the first-order shear deformation theory to analyze the hygrothermal static responses of nanoscale,multidirectional nanofunctionally graded piezoelectric(NFGP)plates resting on variable elastic foundations.The study considers the material properties of these plates,which are governed by three distinct material laws—Power,Exponential,and Sigmoid as well as various patterns of porosity distribution.The derived governing equations are formulated using Hamilton's principle and incorporate nonlocal piezoelasticity theory,employing a nine-node isoperimetric quadrilateral Lagrangian element capable of handling six degrees of freedom.A comprehensive parametric study is conducted,examining the influence of the small-scale parameter,material exponent for multidirectional grading,variable foundation stiffness,porosity-related exponent,thickness ratio,and the effects of hygrothermal and electrical loading on the NFGP plates,all while considering different boundary conditions.The findings provide valuable insights into the interaction between multidirectional graded smart structures and their foundations under varying hygrothermal and electromechanical conditions,which can significantly enhance the efficiency of designing and developing intelligent structures and systems.
基金supported by the National Key Research and Development Program of China(grant nos.2022YFB3805600,2022YFB3805604,and 2022YFB3806800)Key R&D Program of Shandong Province,China(grant no.2023CXGC010314)+7 种基金the National Natural Science Foundation of China(grant nos.22293020,52130208,and 52201286)the Major Program(JD)of Hubei Province,China(grant no.2023BAA003)the Technology Innovation Program of Hubei Province,China(grant no.2023BIB018)the Hubei Provincial Natural Science Foundation of China(grant no.2024AFB195)National 111 project,China(grant no.B20002)Guangdong Basic and Applied Basic Research Foundation,China(grant no.2024A1515012613)the Fundamental Research Funds for the Central Universities,China(WUT:2024IVA089)Guangdong Basic and Applied Basic Research Foundation(grant no.2025A1515010634).
文摘Although great progress has been made in devising new methods for cell engineering,uncovering universal and highly biocompatible approaches to nanofunctionalizing cells for creating novel cell-based living biomaterials with enhanced stabilities and functions remains an important goal.Here,we developed a phase separated lysozyme(PSL)-based strategy for generating functionalized HeLa cells with high stability and resistance to trypsin action.Due to the rich functional groups,PSL nanocoating on the HeLa cell surface could serve as a biointerface for customtailored functionalization with nanomaterials of oxides,carbon,semiconductor,and metals to create biotic-abiotic living materials.Significantly,this PSL-based strategy could be applied to mammalian,algal,and bacterial cells for applications with precise functions from nanomaterials.Overall,this study identified a rational and general strategy to create nanofunctionalized cells with precise functions expected to pave the way to opportunities in synthesizing living biomaterials based on the phase separation proteins.
