Single-cell analysis is crucial for deciphering cellular heterogeneity and understanding complex biological systems.However,most existing single-cell sample manipulation(SCSM)systems suffer from various drawbacks such...Single-cell analysis is crucial for deciphering cellular heterogeneity and understanding complex biological systems.However,most existing single-cell sample manipulation(SCSM)systems suffer from various drawbacks such as high cost,low throughput,and heavy reliance on human interventions.Currently,large language models(LLMs)have been used in robotic platforms,but a limited number of studies have reported the application of LLMs in the field of lab-ona-chip automation.Consequently,we have developed an active-matrix digital microfluidic(AM-DMF)platform that realizes fully automated biological procedures for intelligent SCSM.By combining this with a fully programmable labon-a-chip system,we present a breakthrough for SCSM by combining LLMs and object detection technologies.With the proposed platform,the single-cell sample generation rate and identification precision reach up to 25%and 98%,respectively,which are much higher than the existing platforms in terms of SCSM efficiency and performance.Furthermore,a three-class detection method considering droplet edges is implemented to realize the automatic identification of cells and oil bubbles.This method achieves a 1.0%improvement in cell recognition accuracy according to the AP_(75)^(test)metric,while efficiently distinguishing obscured cells at droplet edges,where approximately 20%of all droplets contain cells at their edges.More importantly,as the first attempt,a ubiquitous tool for automatic SCSM workflow generation is developed based on the LLMs,thus advancing the development and progression of the field of single-cell analysis in the life sciences.展开更多
The room temperature brittleness has been a long standing problem in bulk metallic glasses realm.This has seriously limited the application potential of metallic glasses and their composites.The elastic deformation be...The room temperature brittleness has been a long standing problem in bulk metallic glasses realm.This has seriously limited the application potential of metallic glasses and their composites.The elastic deformation behaviors of metallic glass matrix composites are closely related to their plastic deformation states.The elastic deformation behaviors of Cu48-xZr48Al4Nbx（x=0,3at.%）metallic glass matrix composites（MGMCs）with different crystallization degrees were investigated using an in-situ digital image correlation（DIC）technique during tensile process.With decreasing crystallization degree,MGMC exhibits obvious elastic deformation ability and an increased tensile fracture strength.The notable tensile elasticity is attributed to the larger shear strain heterogeneity emerging on the surface of the sample.This finding has implications for the development of MGMCs with excellent tensile properties.展开更多
The basics and applications of acousto-optic devices are described.The applications include acousto-optic spectrum analyzer,acousto-optic deflector,acousto-optic processors and acousto-optic digital matrix computer.
基金the National Key R&D Program of China(2023YFF0721500)The National Natural Science Foundation of China(Nos.62374102,82172077,22201298,and 62027825)+3 种基金The Innovation and Entrepreneurship Team of Jiangsu Province(JSSCTD202145)The Science and Technology Innovation Project of Foshan,Guangdong Province,China(No.1920001000047)The Science and Technology Development Project of Jilin Province(No.20210204110YY and 20250204092YY)The Suzhou Basic Research Project(SSD2023013).
文摘Single-cell analysis is crucial for deciphering cellular heterogeneity and understanding complex biological systems.However,most existing single-cell sample manipulation(SCSM)systems suffer from various drawbacks such as high cost,low throughput,and heavy reliance on human interventions.Currently,large language models(LLMs)have been used in robotic platforms,but a limited number of studies have reported the application of LLMs in the field of lab-ona-chip automation.Consequently,we have developed an active-matrix digital microfluidic(AM-DMF)platform that realizes fully automated biological procedures for intelligent SCSM.By combining this with a fully programmable labon-a-chip system,we present a breakthrough for SCSM by combining LLMs and object detection technologies.With the proposed platform,the single-cell sample generation rate and identification precision reach up to 25%and 98%,respectively,which are much higher than the existing platforms in terms of SCSM efficiency and performance.Furthermore,a three-class detection method considering droplet edges is implemented to realize the automatic identification of cells and oil bubbles.This method achieves a 1.0%improvement in cell recognition accuracy according to the AP_(75)^(test)metric,while efficiently distinguishing obscured cells at droplet edges,where approximately 20%of all droplets contain cells at their edges.More importantly,as the first attempt,a ubiquitous tool for automatic SCSM workflow generation is developed based on the LLMs,thus advancing the development and progression of the field of single-cell analysis in the life sciences.
基金the financial support by the National Natural Science Foundation of China(51371078,51671067)
文摘The room temperature brittleness has been a long standing problem in bulk metallic glasses realm.This has seriously limited the application potential of metallic glasses and their composites.The elastic deformation behaviors of metallic glass matrix composites are closely related to their plastic deformation states.The elastic deformation behaviors of Cu48-xZr48Al4Nbx（x=0,3at.%）metallic glass matrix composites（MGMCs）with different crystallization degrees were investigated using an in-situ digital image correlation（DIC）technique during tensile process.With decreasing crystallization degree,MGMC exhibits obvious elastic deformation ability and an increased tensile fracture strength.The notable tensile elasticity is attributed to the larger shear strain heterogeneity emerging on the surface of the sample.This finding has implications for the development of MGMCs with excellent tensile properties.
文摘The basics and applications of acousto-optic devices are described.The applications include acousto-optic spectrum analyzer,acousto-optic deflector,acousto-optic processors and acousto-optic digital matrix computer.
