The integrated technology of interfacial solar steam generation and photo-Fenton oxidation has emerged as a promising way to simultaneously mitigate freshwater scarcity and degrade organic pollutants.However,fabricati...The integrated technology of interfacial solar steam generation and photo-Fenton oxidation has emerged as a promising way to simultaneously mitigate freshwater scarcity and degrade organic pollutants.However,fabricating low-cost,multi-functional evaporators with high water evaporation and catalytic ability still presents a significant challenge.Herein,we report the functional upcycling of waste polyimide into semiconducting Fe-BTEC and subsequently construct Fe-BTEC-based composite evaporators for simultaneous freshwater production and photo-Fenton degradation of pollutants.Firstly,through a two-step solvothermal-solution stirring method,Fe-BTEC nanoparticles with the size of 20-100 nm are massively produced from waste polyimide,with a band gap energy of 2.2 eV.The composite evaporator based on Fe-BTEC and graphene possesses wide solar-spectrum absorption capacity,high photothermal conversion capacity,rapid delivery of water,and low enthalpy of evaporation.Benefiting from the merits above,the composite evaporator achieves a high evaporation rate of 2.72kgm^(-2) h^(-1) from tetracycline solution,as well as the photothermal conversion efficiency of 97%when exposed to irradiation of 1 Sun,superior to many evaporators.What is more,the evaporator exhibits the tetracycline degradation rate of 99.6%with good recycling stability,ranking as one of the most powerful heterogeneous Fenton catalysts.COMSOL Multiphysics and density functional theory calculation results prove the synergistic effect of the concentrated heat produced by interfacial solar steam generation and catalytic active sites of Fe-BTEC on promoting H_(2)O_(2) activation to form reactive oxidation radicals.This work not only provides a green strategy for upcycling waste polyimide,but also proposes a new approach to fabricate multi-functional evaporators.展开更多
The integration of interfacial solar steam generation and photocatalytic degradation technology has pro-vided a promising platform to simultaneously produce freshwater and degrade pollutants.However,con-structing low-...The integration of interfacial solar steam generation and photocatalytic degradation technology has pro-vided a promising platform to simultaneously produce freshwater and degrade pollutants.However,con-structing low-cost,multi-functional evaporators for treating Cr(Ⅵ)-polluted water remains challenging,and the synergistic mechanism on Cr(Ⅵ)reduction is fuzzy.Herein,we propose the combined strategy of ball milling and solution mixing for the sustainable production of Bi-MOF microrod from waste poly(ethylene terephthalate),and construct Bi-MOF-based solar evaporators for simultaneous photo-Fenton Cr(Ⅵ)reduction and freshwater production.Firstly,the evaporator comprised of Bi-MOF microrod and graphene nanosheet possesses high light absorption,efficient photothermal conversion,and good hydro-philic property.Attributing to the advantages,the hybrid evaporator exhibits the evaporation rate of 2.16 kg m^(-2) h^(-1) and evaporation efficiency of 87.5%under 1 kW m^(-2) of irradiation.When integrating with photo-Fenton reaction,the Cr(Ⅵ)reduction efficiency is 91.3%,along with the reaction kinetics of 0.0548 min^(-1),surpassing many advanced catalysts.In the outdoor freshwater production and Cr(Ⅵ)reduction,the daily accumulative water yield is 5.17 kg m^(-2) h^(-1),and the Cr(Ⅵ)reduction efficiency is 99.9%.Furthermore,we prove that the localization effect derived from the interfacial solar-driven evap-oration enhances H_(2)O_(2) activation for the photo-Fenton reduction of Cr(Ⅵ).Based on the result of density functional theory,Bi-MOF microrod provides rich active centers for H_(2)O_(2) activation to produce active sites such as e-or-O_(2).This study not only proposes a new strategy to construct multi-functional solar evaporators for freshwater production and catalytic reduction of pollutants,but also advances the chem-ical upcycling of waste polyesters.展开更多
Malignant tumors have a high incidence in clinical practice,posing a significant threat to human health and severely impacting patients’quality of life.Targeted drugs represent an effective therapeutic strategy,preci...Malignant tumors have a high incidence in clinical practice,posing a significant threat to human health and severely impacting patients’quality of life.Targeted drugs represent an effective therapeutic strategy,precisely addressing tumor sites to inhibit disease progression and alleviate the adverse effects of radiotherapy and chemotherapy.Despite these benefits,the use of targeted drugs often results in various adverse reactions,necessitating enhanced clinical management and protection.This study analyzes the current state of home management of oral targeted drugs in patients with malignant tumors,identifies influencing factors,and proposes improvement measures tailored to practical conditions.These efforts aim to ensure medication safety and provide valuable references for clinical practice.展开更多
The interfacial solar steam generation and water evaporation-driven power generation are regarded as promising strategies to address energy crisis.However,it remains challenging to construct low-cost evaporators for f...The interfacial solar steam generation and water evaporation-driven power generation are regarded as promising strategies to address energy crisis.However,it remains challenging to construct low-cost evaporators for freshwater and electricity co-generation.Herein,we report a salt-assisted carbonization strategy of waste polylactic acid to prepare Hydrangea flower-like graphene and build a bi-functional graphene-based evaporator.The evaporator presents merits of good sunlight absorption,photo-to-thermal conversion property,water transport,good thermal management capability,and negatively charged pores for the continuous diffusion of ions.Hence,it achieves the evaporation rate of 3.0 kg m^(−2)h^(−1)and output voltage of 0.425 V,surpassing many advanced evaporators/generators.Molecular dynamics simulation result proves that more Na^(+)ions are attracted by functional groups,especially-COOH/C-OH,to promote Na^(+)selectivity in nanochannels.This work offers new opportunities to construct multifunctional evaporators for freshwater and electricity co-generation.展开更多
A new one-dimensional(1D)chain antiferromagnet Co(ox)(bib)·H_(2)O 1(ox=oxalate;bib=1,4-bis(imidazole-1-yl)benzene)has been successfully synthesized under hydrothermal condition and characterized by single crystal...A new one-dimensional(1D)chain antiferromagnet Co(ox)(bib)·H_(2)O 1(ox=oxalate;bib=1,4-bis(imidazole-1-yl)benzene)has been successfully synthesized under hydrothermal condition and characterized by single crystal X-ray crystallography,powder X-ray diffraction,thermogravimetric analysis,Fourier transform infrared(FTIR)spectroscopy,magnetic susceptibility,and heat capacity measurements.The CoII ion is connected by oxalate ions in trans-configuration to form 1D CoII–ox–CoII spin chains,which are further separated by the long organic molecule bib.The magnetic susceptibility curve shows that 1 exhibits a feature of broad maximum around 29 K,indicating strong antiferromagnetic interactions with short spin–spin correlations along the spin chains.However,no long-range order is observed due to the negligible interchain interactions through bib ligand and weak hydrogen bonds,which is further confirmed by the heat capacity data.The intrachain interaction J of−8.4 K is estimated.Both magnetic susceptibility and heat capacity results indicate that 1 exhibits a good 1D magnetism.展开更多
基金supported by the National Natural Science Foundation of China(No.52373099)the Innovation and Talent Recruitment Base of New Energy Chemistry and Device(No.B21003)。
文摘The integrated technology of interfacial solar steam generation and photo-Fenton oxidation has emerged as a promising way to simultaneously mitigate freshwater scarcity and degrade organic pollutants.However,fabricating low-cost,multi-functional evaporators with high water evaporation and catalytic ability still presents a significant challenge.Herein,we report the functional upcycling of waste polyimide into semiconducting Fe-BTEC and subsequently construct Fe-BTEC-based composite evaporators for simultaneous freshwater production and photo-Fenton degradation of pollutants.Firstly,through a two-step solvothermal-solution stirring method,Fe-BTEC nanoparticles with the size of 20-100 nm are massively produced from waste polyimide,with a band gap energy of 2.2 eV.The composite evaporator based on Fe-BTEC and graphene possesses wide solar-spectrum absorption capacity,high photothermal conversion capacity,rapid delivery of water,and low enthalpy of evaporation.Benefiting from the merits above,the composite evaporator achieves a high evaporation rate of 2.72kgm^(-2) h^(-1) from tetracycline solution,as well as the photothermal conversion efficiency of 97%when exposed to irradiation of 1 Sun,superior to many evaporators.What is more,the evaporator exhibits the tetracycline degradation rate of 99.6%with good recycling stability,ranking as one of the most powerful heterogeneous Fenton catalysts.COMSOL Multiphysics and density functional theory calculation results prove the synergistic effect of the concentrated heat produced by interfacial solar steam generation and catalytic active sites of Fe-BTEC on promoting H_(2)O_(2) activation to form reactive oxidation radicals.This work not only provides a green strategy for upcycling waste polyimide,but also proposes a new approach to fabricate multi-functional evaporators.
基金supported by the National Natural Science Foundation of China(52373099)the Innovation and Talent Recruitment Base of New Energy Chemistry and Device(B21003)。
文摘The integration of interfacial solar steam generation and photocatalytic degradation technology has pro-vided a promising platform to simultaneously produce freshwater and degrade pollutants.However,con-structing low-cost,multi-functional evaporators for treating Cr(Ⅵ)-polluted water remains challenging,and the synergistic mechanism on Cr(Ⅵ)reduction is fuzzy.Herein,we propose the combined strategy of ball milling and solution mixing for the sustainable production of Bi-MOF microrod from waste poly(ethylene terephthalate),and construct Bi-MOF-based solar evaporators for simultaneous photo-Fenton Cr(Ⅵ)reduction and freshwater production.Firstly,the evaporator comprised of Bi-MOF microrod and graphene nanosheet possesses high light absorption,efficient photothermal conversion,and good hydro-philic property.Attributing to the advantages,the hybrid evaporator exhibits the evaporation rate of 2.16 kg m^(-2) h^(-1) and evaporation efficiency of 87.5%under 1 kW m^(-2) of irradiation.When integrating with photo-Fenton reaction,the Cr(Ⅵ)reduction efficiency is 91.3%,along with the reaction kinetics of 0.0548 min^(-1),surpassing many advanced catalysts.In the outdoor freshwater production and Cr(Ⅵ)reduction,the daily accumulative water yield is 5.17 kg m^(-2) h^(-1),and the Cr(Ⅵ)reduction efficiency is 99.9%.Furthermore,we prove that the localization effect derived from the interfacial solar-driven evap-oration enhances H_(2)O_(2) activation for the photo-Fenton reduction of Cr(Ⅵ).Based on the result of density functional theory,Bi-MOF microrod provides rich active centers for H_(2)O_(2) activation to produce active sites such as e-or-O_(2).This study not only proposes a new strategy to construct multi-functional solar evaporators for freshwater production and catalytic reduction of pollutants,but also advances the chem-ical upcycling of waste polyesters.
基金Shanghai Modern Nursing Vocational Education Group-Renji Hospital Enterprise Practice Fund Project。
文摘Malignant tumors have a high incidence in clinical practice,posing a significant threat to human health and severely impacting patients’quality of life.Targeted drugs represent an effective therapeutic strategy,precisely addressing tumor sites to inhibit disease progression and alleviate the adverse effects of radiotherapy and chemotherapy.Despite these benefits,the use of targeted drugs often results in various adverse reactions,necessitating enhanced clinical management and protection.This study analyzes the current state of home management of oral targeted drugs in patients with malignant tumors,identifies influencing factors,and proposes improvement measures tailored to practical conditions.These efforts aim to ensure medication safety and provide valuable references for clinical practice.
基金National Natural Science Foundation of China,Grant/Award Number:52373099Innovation and Talent Recruitment Base of New Energy Chemistry and Device,Grant/Award Number:B21003+1 种基金HUSTShiyanjia Lab。
文摘The interfacial solar steam generation and water evaporation-driven power generation are regarded as promising strategies to address energy crisis.However,it remains challenging to construct low-cost evaporators for freshwater and electricity co-generation.Herein,we report a salt-assisted carbonization strategy of waste polylactic acid to prepare Hydrangea flower-like graphene and build a bi-functional graphene-based evaporator.The evaporator presents merits of good sunlight absorption,photo-to-thermal conversion property,water transport,good thermal management capability,and negatively charged pores for the continuous diffusion of ions.Hence,it achieves the evaporation rate of 3.0 kg m^(−2)h^(−1)and output voltage of 0.425 V,surpassing many advanced evaporators/generators.Molecular dynamics simulation result proves that more Na^(+)ions are attracted by functional groups,especially-COOH/C-OH,to promote Na^(+)selectivity in nanochannels.This work offers new opportunities to construct multifunctional evaporators for freshwater and electricity co-generation.
基金supported by the National Natural Science Foundation of China(Nos.22101091 and 21901078)the fund of the State Key Laboratory of Solidification Processing in NWPU(No.SKLSP202016)+1 种基金the Innovation and Talent Recruitment Base of New Energy Chemistry and Device(No.B210003)Knowledge Innovation Program of Wuhan-Basic Research.
文摘A new one-dimensional(1D)chain antiferromagnet Co(ox)(bib)·H_(2)O 1(ox=oxalate;bib=1,4-bis(imidazole-1-yl)benzene)has been successfully synthesized under hydrothermal condition and characterized by single crystal X-ray crystallography,powder X-ray diffraction,thermogravimetric analysis,Fourier transform infrared(FTIR)spectroscopy,magnetic susceptibility,and heat capacity measurements.The CoII ion is connected by oxalate ions in trans-configuration to form 1D CoII–ox–CoII spin chains,which are further separated by the long organic molecule bib.The magnetic susceptibility curve shows that 1 exhibits a feature of broad maximum around 29 K,indicating strong antiferromagnetic interactions with short spin–spin correlations along the spin chains.However,no long-range order is observed due to the negligible interchain interactions through bib ligand and weak hydrogen bonds,which is further confirmed by the heat capacity data.The intrachain interaction J of−8.4 K is estimated.Both magnetic susceptibility and heat capacity results indicate that 1 exhibits a good 1D magnetism.
