Here,authors report on composition of a stretchable,mechanically durable and superhydrophilic polyaniline(PANI)/hal-loysite nanotubes(HNTs)decorated PU nanofiber(PANI/HNTs@PU).The polymer nanofibers are placed as the ...Here,authors report on composition of a stretchable,mechanically durable and superhydrophilic polyaniline(PANI)/hal-loysite nanotubes(HNTs)decorated PU nanofiber(PANI/HNTs@PU).The polymer nanofibers are placed as the core and PANI/HNTs makes the shell section.The PANI/HNTs creates a membrane with outstanding light absorption and photo-thermal conversion performance.The strong solar absorption capability and superhydrophilicity of the PANI/HNTs@PU remain almost unchanged during stretching,abrasion,and ultrasonic washing tests,exhibiting superior surface stability and durability.When the PANI/HNTs@PU is used for the interfacial evaporation,the evaporation rate and efficiency reach as high as 1.61 kg m^(-2) h^(-1) and 94.7%,respectively.No salt precipitation is observed on the solar absorber surface even under a high salinity or during the long term or cyclic evaporation test.Furthermore,the excellent interfacial evaporation function is maintained when the nanofiber composite is mechanically stretched.The PANI/HNTs@PU based evaporation device shows promising applications in high performance solar desalination.展开更多
Photodynamic(PDT)and photothermal therapies(PTT)are emerging treatments for tumour ablation.Organic dyes such as porphyrin,chlorin,phthalocyanine,boron-dipyrromethene and cyanine are the clinically or preclinically us...Photodynamic(PDT)and photothermal therapies(PTT)are emerging treatments for tumour ablation.Organic dyes such as porphyrin,chlorin,phthalocyanine,boron-dipyrromethene and cyanine are the clinically or preclinically used photosensitizer or photothermal agents.Development of structurally diverse near-infrared dyes with long absorption wavelength is of great significance for PDT and PTT.Herein,we report a novel near-infrared dye ML880 with naphthalimide modified cyanine skeleton.The introduction of naphthalimide moiety results in stronger electron delocalization and larger redshift in emission compared with IR820.Furthermore,ML880 is co-loaded with chemotherapeutic drug into ROS-responsive mesoporous organosilica(RMON)to construct nanomedicine NBD&ML@RMON,which exhibits remarkable tumor inhibition effects through PDT/PTT/chemotherapy in vivo.展开更多
基金This work was financially supported by Natural Science Foundation of China(No.51873178)the Opening Project of State Key Laboratory of Polymer Materials Engineering(Sichuan University)(No.sklpme2020-4-03)+1 种基金Qing Lan Project of Yangzhou University and Jiangsu Province,High-end Talent Project of Yangzhou University,the Priority Academic Program Development of Jiangsu Higher Education Institutions,Postgraduate Research&Practice Innovation Program of Jiangsu province(No.KYCX18_2364,No.KYCX20_2977)Outstanding Doctoral Dissertation Fund of Yangzhou University.
文摘Here,authors report on composition of a stretchable,mechanically durable and superhydrophilic polyaniline(PANI)/hal-loysite nanotubes(HNTs)decorated PU nanofiber(PANI/HNTs@PU).The polymer nanofibers are placed as the core and PANI/HNTs makes the shell section.The PANI/HNTs creates a membrane with outstanding light absorption and photo-thermal conversion performance.The strong solar absorption capability and superhydrophilicity of the PANI/HNTs@PU remain almost unchanged during stretching,abrasion,and ultrasonic washing tests,exhibiting superior surface stability and durability.When the PANI/HNTs@PU is used for the interfacial evaporation,the evaporation rate and efficiency reach as high as 1.61 kg m^(-2) h^(-1) and 94.7%,respectively.No salt precipitation is observed on the solar absorber surface even under a high salinity or during the long term or cyclic evaporation test.Furthermore,the excellent interfacial evaporation function is maintained when the nanofiber composite is mechanically stretched.The PANI/HNTs@PU based evaporation device shows promising applications in high performance solar desalination.
基金supported by National Natural Science Foundation of China(Grants 21878088,12034008,21476077,11727810)Key projects of Shanghai Science and Technology Commission(18DZ1112703)Shanghai Frontiers Science Center of Optogenetic Techniques for Cell Metabolism(Shanghai Municipal Education Commission,grant 2021 Sci&Tech 03-28)。
文摘Photodynamic(PDT)and photothermal therapies(PTT)are emerging treatments for tumour ablation.Organic dyes such as porphyrin,chlorin,phthalocyanine,boron-dipyrromethene and cyanine are the clinically or preclinically used photosensitizer or photothermal agents.Development of structurally diverse near-infrared dyes with long absorption wavelength is of great significance for PDT and PTT.Herein,we report a novel near-infrared dye ML880 with naphthalimide modified cyanine skeleton.The introduction of naphthalimide moiety results in stronger electron delocalization and larger redshift in emission compared with IR820.Furthermore,ML880 is co-loaded with chemotherapeutic drug into ROS-responsive mesoporous organosilica(RMON)to construct nanomedicine NBD&ML@RMON,which exhibits remarkable tumor inhibition effects through PDT/PTT/chemotherapy in vivo.
