Based on the seismic data of near-field source from the Shandong Digital Seismic Network,this study obtained the shear-wave splitting parameters from multiple stations. The results show that dominant directions of pol...Based on the seismic data of near-field source from the Shandong Digital Seismic Network,this study obtained the shear-wave splitting parameters from multiple stations. The results show that dominant directions of polarizations of fast shear-waves reflect the spatial distribution characteristics of tectonic stress in this area,CHD and LIS stations show 2 dominant directions,and reveals that the crustal seismic anisotropy in the Shandong area is constrained by the regional stress background,local failure and structure.展开更多
The development of stimuli-responsive nanodevices with high efficiency and specificity is very important in biosensing,drug delivery,and so on.DNAzymes are a class of DNA molecules with the specific catalytic activity...The development of stimuli-responsive nanodevices with high efficiency and specificity is very important in biosensing,drug delivery,and so on.DNAzymes are a class of DNA molecules with the specific catalytic activity.Owing to their unique catalytic activity and easy design and synthesis,the construction and application of DNAzymes-based nanodevices have attracted much attention in recent years.In this review,the classification and properties of DNAzyme are first introduced.The construction of several common kinds of DNAzyme-based nanodevices,such as DNA motors,signal amplifiers,and logic gates,is then systematically summarized.We also introduce the application of DNAzyme-based nanodevices in sensing and therapeutic fields.In addition,current limitations and future directions are discussed.展开更多
基金sponsored by the Natural Science of Shandong Province(ZH2014DQ019)Earthquake Science and Technology Spark Plan(XH15026)+1 种基金Key Foundation Program of Earthquake Administration of Shandong Province(JJ1407Y)the Contract Program of Earthquake Administration of Shandong Province(15Y102)
文摘Based on the seismic data of near-field source from the Shandong Digital Seismic Network,this study obtained the shear-wave splitting parameters from multiple stations. The results show that dominant directions of polarizations of fast shear-waves reflect the spatial distribution characteristics of tectonic stress in this area,CHD and LIS stations show 2 dominant directions,and reveals that the crustal seismic anisotropy in the Shandong area is constrained by the regional stress background,local failure and structure.
基金supported by the National Natural Science Foundation of China (Nos.22122403,22274042,and 21890744)the Natural Science Foundation of Hunan Province,China (Nos.2021JJ10012,2022JJ30121)the Changsha Municipal Natural Science Foundation,China (No.kq2202145).
文摘The development of stimuli-responsive nanodevices with high efficiency and specificity is very important in biosensing,drug delivery,and so on.DNAzymes are a class of DNA molecules with the specific catalytic activity.Owing to their unique catalytic activity and easy design and synthesis,the construction and application of DNAzymes-based nanodevices have attracted much attention in recent years.In this review,the classification and properties of DNAzyme are first introduced.The construction of several common kinds of DNAzyme-based nanodevices,such as DNA motors,signal amplifiers,and logic gates,is then systematically summarized.We also introduce the application of DNAzyme-based nanodevices in sensing and therapeutic fields.In addition,current limitations and future directions are discussed.
