3篇
您的检索式：作者名="Changrong Su"
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| 1 | Molecular imaging of advanced atherosclerotic plaques with folate receptor-targeted 2D nanoprobes显示文摘Vulnerable atherosclerotic plaques are responsible for most cardiovascular diseases(CVDs).Folate receptor(FR)positive activated macrophages were thought to be a prominent component in the development of vulnerable plaque.The objective of this study is to develop folate conjugated two-dimensional(2D)Pd@Au nanomaterials(Pd@Au-PEG-FA)for targeted multimodal imaging of the FRs in advanced atherosclerotic plaques.Pharmacokinetic and imaging studies(single photon emission computed tomography(SPECT),computed tomography(CT)and photoacoustic(PA)imaging)were performed to confirm the prolonged blood half-life and enrichment of radioactivity in atherosclerotic plaques.Strong signals were detected in vivo with SPECT,CT and PA imaging in heavy atherosclerotic plaques,which were significantly higher than those of the normal aortas after injection of Pd@Au-PEG-FA.Blocking studies with preinjection of excess FA could effectively reduce the targeting ability of Pd@Au-PEG-FA in atherosclerotic plaques,further demonstrating the specific binding of Pd@Au-PEG-FA for plaque lesions.Histopathological characterization revealed that the signal of probe was in accordance with the high-risk plaques.In summary,the Pd@Au-PEG-FA has favorable pharmacokinetic properties and provides a valuable approach for detecting high-risk plaques in the presence of FRs in atherosclerotic plaques. | Zhide Guo Liu Yang Mei Chen Xuejun Wen Huanhuan Liu Jingchao Li Duo Xu Yuanyuan An Changrong Shi Jindian Li Xinhui Su Zijing Li Ting Liu Rongqiang Zhuang Nanfeng Zheng Haibo Zhu Xianzhong Zhang | 2020 | Nano Research2020，13，1： | 2 |
| 2 | Sedimentary filling characteristics and controlling factors of lacustrine microbial carbonates sequence in the Santos Basin,Brazil显示文摘Based on comprehensive analysis of seismic,logging,core,thin section data,and stable isotopic compositions of carbon and oxygen,the sedimentary filling characteristics of the Lower Cretaceous Barra Velha Formation sequence in H oil field,Santos Basin,are studied,and the high-frequency sequence stratigraphic framework is established,and the spatial distribution of reef-shoal bodies are predicted and the controlling factors are discussed.During the depositional period of the Barra Velha Formation,the study area is a slope-isolated platform-slope sedimentary pattern from southwest to northeast and the change of climate background from rift to depression periods has resulted in the variation of sedimentary characteristics from the lower third-order sequence SQ1(BVE 300 Member)of low-energy deep water to the upper third-order sequence SQ2(BVE 200 and 100 members)of high-energy shallow water in the Barra Velha Formation.The activities of extensional faults and strike-slip faults in rift period and the sedimentary differentiation from platform margin to intra-platform in depression period made the sedimentary paleogeomorphology in these two periods show features of“three ridges and two depressions”.The reef-shoal bodies mainly developed in the SQ2-LHST period,with vertical development positions restricted by the periodic oscillation of the lake level,and developed on the top of each high-frequency sequence stratigraphic unit in SQ2-LHST in the platform.The strike-slip fault activity controlled the distribution of the reef-shoal bodies on the plane by changing the sedimentary paleogeomorphology.The positive flower-shaped strike-slip faults made the formation of local highlands at the margins of and inside the shallow water platforms and which became high-energy sedimentary zones,creating conditions for the development of reef-shoal bodies. | HE Sai LI Guorong WU Changrong LIU Shugen ZHANG Zhongmin SU Yushan ZHU Yixuan HE Zhao REN Jie WANG Yuchen ZHOU Wei WANG Yajie | 2022 | Petroleum Exploration and Development2022，49，4： | 0 |
| 3 | The effect of noise barriers on viaducts on pollutant dispersion in complex street canyons显示文摘The noise reduction effect of noise barriers has been extensively studied,but the effect on pollutant dispersion remains unclear.A computational fluid dynamics(CFD)simulation is conducted to investigate the effects of different heights,lengths,and types of noise barriers and different wind speeds on pollutant dispersion in street canyons with viaducts.The field synergy theory of the convective mass transfer process is used for quantitative analysis of pollutant dispersion in street canyons.The results show that as the height and length of the noise barrier increase,the pollutant dispersion capacity decreases.As the wind speed increases,the rate of decrease in the average CO concentration declines.The effect of the wind speed on the synergistic improvement of the speed and concentration gradient vectors differs for different types of noise barriers.The performance follows the order:fully-closed noise barrier>left noise barrier>right noise barrier>semi-closed noise barrier.The different noise barrier types significantly impact the flow field and pollutant dispersion and reduce the CO concentration to varying degrees,except for the fully-closed type.The average CO concentration in the pedestrian breathing zone is reduced by a maximum of 55.85%on the leeward side and by 53%on the windward side,indicating that an appropriate noise barrier on the viaduct reduces noise pollution and improves the air quality in street canyons,especially in the pedestrian breathing zone. | Tingzhen Ming Fangyan He Yongjia Wu Tianhao Shi Changrong Su Caixia Wang Zhengtong Li Wei Chen Renaud de Richter | 2023 | Energy and Built Environment2023，4，5： | 0 |
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