Wing design is a critical factor in the aerodynamic performance of flapping-wing(FW)robots.Inspired by the natural wing structures of insects,bats,and birds,we explored how bio-mimetic wing vein morphologies,combined ...Wing design is a critical factor in the aerodynamic performance of flapping-wing(FW)robots.Inspired by the natural wing structures of insects,bats,and birds,we explored how bio-mimetic wing vein morphologies,combined with a bio-inspired double wing clap-and-fling mechanism,affect thrust generation.This study focused on increasing vertical force and payload capacity.Through systematic experimentation with various vein configurations and structural designs,we developed innovative wings optimized for thrust production.Comprehensive tests were conducted to measure aerodynamic forces,power consumption,and wing kinematics across a range of flapping frequencies.Additionally,wings with different aspect ratios,a key factor in wing design,were fabricated and extensively evaluated.The study also examined the role of bio-inspired vein layouts on wing flexibility,a critical component in improving flight efficiency.Our findings demonstrate that the newly developed wing design led to a 20%increase in thrust,achieving up to 30 g-force(gf).This research sheds light on the clap-and-fling effect and establishes a promising framework for bio-inspired wing design,offering significant improvements in both performance and payload capacity for FW robots.展开更多
Melanoma is a malignant neoplasm with a high propensity to metastasize,arising from melanocytes and contributing significantly to global morbidity and mortality.Despite the demonstrated efficacy of many immunotherapy ap...Melanoma is a malignant neoplasm with a high propensity to metastasize,arising from melanocytes and contributing significantly to global morbidity and mortality.Despite the demonstrated efficacy of many immunotherapy approaches,these methods rely on direct destruction of tumor cells with minimal impact on the aggregate of nearby non-tumor cells,the extracellular matrix,and blood vessels that form the tumor microenvironment(TME).The TME is known to be heterogeneous and dynamic,exerting both antitumor and pro-tumor effects depending on the specific features and stage of carcinogenesis.TME has been shown in several studies to promote malignancy,angiogenesis,and metastasis in tumors in general and melanoma in particular.Consequently,a significant number of studies in thefield of melanoma therapy have been redirected to investigate the effects of individual TME constituents,their prognostic significance for patients,and the potential of therapeutic intervention to improve overall patient survival.This review highlights novel therapeutic approaches targeting two key resident cell types in the melanoma microenvironment:tumor-associated macrophages(TAMs)and cancer-associatedfibroblasts(CAFs).The review discusses their role in disease progression and summarizes the results of preclinical and clinical trials of targeted therapies against these cell types in the melanoma TME.展开更多
基金Nguyen Tat Thanh University,Ho Chi Minh City,Vietnam for supporting this study。
文摘Wing design is a critical factor in the aerodynamic performance of flapping-wing(FW)robots.Inspired by the natural wing structures of insects,bats,and birds,we explored how bio-mimetic wing vein morphologies,combined with a bio-inspired double wing clap-and-fling mechanism,affect thrust generation.This study focused on increasing vertical force and payload capacity.Through systematic experimentation with various vein configurations and structural designs,we developed innovative wings optimized for thrust production.Comprehensive tests were conducted to measure aerodynamic forces,power consumption,and wing kinematics across a range of flapping frequencies.Additionally,wings with different aspect ratios,a key factor in wing design,were fabricated and extensively evaluated.The study also examined the role of bio-inspired vein layouts on wing flexibility,a critical component in improving flight efficiency.Our findings demonstrate that the newly developed wing design led to a 20%increase in thrust,achieving up to 30 g-force(gf).This research sheds light on the clap-and-fling effect and establishes a promising framework for bio-inspired wing design,offering significant improvements in both performance and payload capacity for FW robots.
基金performed at the expense of the subsidy allocated to Kazan Federal University for the fulfillment of the stated task in the field of scientific activity,No.FZSM-2023-0011.
文摘Melanoma is a malignant neoplasm with a high propensity to metastasize,arising from melanocytes and contributing significantly to global morbidity and mortality.Despite the demonstrated efficacy of many immunotherapy approaches,these methods rely on direct destruction of tumor cells with minimal impact on the aggregate of nearby non-tumor cells,the extracellular matrix,and blood vessels that form the tumor microenvironment(TME).The TME is known to be heterogeneous and dynamic,exerting both antitumor and pro-tumor effects depending on the specific features and stage of carcinogenesis.TME has been shown in several studies to promote malignancy,angiogenesis,and metastasis in tumors in general and melanoma in particular.Consequently,a significant number of studies in thefield of melanoma therapy have been redirected to investigate the effects of individual TME constituents,their prognostic significance for patients,and the potential of therapeutic intervention to improve overall patient survival.This review highlights novel therapeutic approaches targeting two key resident cell types in the melanoma microenvironment:tumor-associated macrophages(TAMs)and cancer-associatedfibroblasts(CAFs).The review discusses their role in disease progression and summarizes the results of preclinical and clinical trials of targeted therapies against these cell types in the melanoma TME.
