本研究旨在建立一种基于FMDSAT 2(FMDVSAT 2)型病毒样颗粒(VLPs)的竞争ELISA(cELISA)方法,用于快速检测特异性抗体及评估疫苗免疫效果。将VLPs作为包被抗原,辣根过氧化物酶标记的FMDV SAT 2型抗体(酶标抗体)作为竞争抗体,建立cELISA抗...本研究旨在建立一种基于FMDSAT 2(FMDVSAT 2)型病毒样颗粒(VLPs)的竞争ELISA(cELISA)方法,用于快速检测特异性抗体及评估疫苗免疫效果。将VLPs作为包被抗原,辣根过氧化物酶标记的FMDV SAT 2型抗体(酶标抗体)作为竞争抗体,建立cELISA抗体检测方法,对其敏感性、特异性和重复性进行评估。结果显示,VLPs最佳包被浓度为2μg/mL,血清样品1∶16稀释,酶标抗体工作浓度为0.5μg/mL,TMB显色液于37℃避光反应15 min。该方法的临界值为57.03%,特异性为87.5%,敏感性为92.1%。检测口蹄疫病毒其他各型及塞内卡病毒等病原的阳性血清时呈阴性反应,且重复性良好。进一步检测来自不同地区的200份临床血清,阴性率为96%。本研究成功建立了FMDV SAT 2型抗体cELISA检测方法,此方法可用于SAT 2型的血清学监测与疫苗免疫效果评价,为该病的防控提供有效工具。展开更多
The efficient implementation of the Advanced Encryption Standard(AES)is crucial for network data security.This paper presents novel hardware implementations of the AES S-box,a core component,using tower field represen...The efficient implementation of the Advanced Encryption Standard(AES)is crucial for network data security.This paper presents novel hardware implementations of the AES S-box,a core component,using tower field representations and Boolean Satisfiability(SAT)solvers.Our research makes several significant contri-butions to the field.Firstly,we have optimized the GF(24)inversion,achieving a remarkable 31.35%area reduction(15.33 GE)compared to the best known implementations.Secondly,we have enhanced multiplication implementa-tions for transformation matrices using a SAT-method based on local solutions.This approach has yielded notable improvements,such as a 22.22%reduction in area(42.00 GE)for the top transformation matrix in GF((24)2)-type S-box implementation.Furthermore,we have proposed new implementations of GF(((22)2)2)-type and GF((24)2)-type S-boxes,with the GF(((22)2)2)-type demonstrating superior performance.This implementation offers two variants:a small area variant that sets new area records,and a fast variant that establishes new benchmarks in Area-Execution-Time(AET)and energy consumption.Our approach significantly improves upon existing S-box implementations,offering advancements in area,speed,and energy consumption.These optimizations contribute to more efficient and secure AES implementations,potentially enhancing various cryptographic applications in the field of network security.展开更多
波动方程系数矩阵对称化是整合不同类别波动方程、降低波传播模拟难度的有效方法,目前已成功应用于声波方程、各向同性与各向异性介质弹性波动方程。该研究将推导出双项介质波动方程的系数矩阵对称式;随后,引入多轴完全匹配层,采用迎风...波动方程系数矩阵对称化是整合不同类别波动方程、降低波传播模拟难度的有效方法,目前已成功应用于声波方程、各向同性与各向异性介质弹性波动方程。该研究将推导出双项介质波动方程的系数矩阵对称式;随后,引入多轴完全匹配层,采用迎风格式分部求和-一致逼近项(summation by parts-simultaneous approximation terms,SBP-SAT)有限差分方法离散波动方程,并通过能量法进行稳定性评估。通过数值仿真,表明所提出的离散框架具有整合度高,稳定性好和拓展性强等特点。此外,该方法可以稳定模拟曲线域中的波传播并降低其实现成本,表明了波动方程系数矩阵对称化方法及其离散框架在波传播模拟领域具有广泛的应用前景。展开更多
摘要本研究旨在建立一种基于FMDSAT 2(FMDVSAT 2)型病毒样颗粒(VLPs)的竞争ELISA(cELISA)方法,用于快速检测特异性抗体及评估疫苗免疫效果。将VLPs作为包被抗原,辣根过氧化物酶标记的FMDV SAT 2型抗体(酶标抗体)作为竞争抗体,建立cELISA抗体检测方法,对其敏感性、特异性和重复性进行评估。结果显示,VLPs最佳包被浓度为2μg/mL,血清样品1∶16稀释,酶标抗体工作浓度为0.5μg/mL,TMB显色液于37℃避光反应15 min。该方法的临界值为57.03%,特异性为87.5%,敏感性为92.1%。检测口蹄疫病毒其他各型及塞内卡病毒等病原的阳性血清时呈阴性反应,且重复性良好。进一步检测来自不同地区的200份临床血清,阴性率为96%。本研究成功建立了FMDV SAT 2型抗体cELISA检测方法,此方法可用于SAT 2型的血清学监测与疫苗免疫效果评价,为该病的防控提供有效工具。
基金supported in part by the National Natural Science Foundation of China(No.62162016)in part by the Innovation Project of Guangxi Graduate Education(Nos.YCBZ2023132 and YCSW2023304).
摘要The efficient implementation of the Advanced Encryption Standard(AES)is crucial for network data security.This paper presents novel hardware implementations of the AES S-box,a core component,using tower field representations and Boolean Satisfiability(SAT)solvers.Our research makes several significant contri-butions to the field.Firstly,we have optimized the GF(24)inversion,achieving a remarkable 31.35%area reduction(15.33 GE)compared to the best known implementations.Secondly,we have enhanced multiplication implementa-tions for transformation matrices using a SAT-method based on local solutions.This approach has yielded notable improvements,such as a 22.22%reduction in area(42.00 GE)for the top transformation matrix in GF((24)2)-type S-box implementation.Furthermore,we have proposed new implementations of GF(((22)2)2)-type and GF((24)2)-type S-boxes,with the GF(((22)2)2)-type demonstrating superior performance.This implementation offers two variants:a small area variant that sets new area records,and a fast variant that establishes new benchmarks in Area-Execution-Time(AET)and energy consumption.Our approach significantly improves upon existing S-box implementations,offering advancements in area,speed,and energy consumption.These optimizations contribute to more efficient and secure AES implementations,potentially enhancing various cryptographic applications in the field of network security.
摘要波动方程系数矩阵对称化是整合不同类别波动方程、降低波传播模拟难度的有效方法,目前已成功应用于声波方程、各向同性与各向异性介质弹性波动方程。该研究将推导出双项介质波动方程的系数矩阵对称式;随后,引入多轴完全匹配层,采用迎风格式分部求和-一致逼近项(summation by parts-simultaneous approximation terms,SBP-SAT)有限差分方法离散波动方程,并通过能量法进行稳定性评估。通过数值仿真,表明所提出的离散框架具有整合度高,稳定性好和拓展性强等特点。此外,该方法可以稳定模拟曲线域中的波传播并降低其实现成本,表明了波动方程系数矩阵对称化方法及其离散框架在波传播模拟领域具有广泛的应用前景。