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| 1 | Multivalent Sn species synergistically favours the CO_(2)-into-HCOOH conversion显示文摘Although Sn-based catalysts have recently achieved considerable improvement in selective electro-catalyzing CO_(2)into HCOOH,the role of various valence Sn species is not fully understood due to the complexity and uncertainty of their evolution during the reaction process.Here,inspired by the theoretical simulations that the concomitant multivalent Sn(Sn^(0),Sn^(Ⅱ)and Sn^(Ⅳ))can significantly motivate the intrinsic activity of Sn-based catalyst,the Sn/SnO/SnO_(2)nanosheets were proposed to experimentally verify the synergistic effect of multivalent Sn species on the CO_(2)-into-HCOOH conversion.During CO_(2)reduction reaction,the Sn/SnO/SnO_(2)nanosheets,which are prepared by the sequential hydrothermal reaction,calcined crystallization and low-temperature H_(2)treatment,exhibit a high FEHCOOH of 89.6%at-0.9 VRHE as well as a large cathodic current density.Systematic experimental and theoretical results corroborate that multivalent Sn species synergistically energize the CO_(2)activation,the HCOO*adsorption,and the electron transfer,which make Sn/SnO/SnO_(2)favour the conversion from CO_(2)into HCOOH in both thermodynamics and kinetics.This proof-of-concept study establishes a relationship between the enhanced performance and the multivalent Sn species,and also provides a practicable and scalable avenue for rational engineering high-powered electrocatalysts. | Jun Wu Xue Bai Zhiyu Ren Shichao Du Ziehen Song Lei Zhao Bowen Liu Guiling Wang Honggang Fu | 2021 | Nano Research2021，14，4： | 4 |
| 2 | Miniature Fluorescence Microscopy for Imaging Brain Activity in Freely-Behaving Animals显示文摘An ultimate goal of neuroscience is to decipher the principles underlying neuronal information processing at the molecular,cellular,circuit,and system levels.The advent of miniature fluorescence microscopy has furthered the quest by visualizing brain activities and structural dynamics in animals engaged in self-determined behaviors.In this brief review,we summarize recent advances in miniature fluorescence microscopy for neuroscience,focusing mostly on two mainstream solutions-miniature single-photon microscopy,and miniature two-photon microscopy.We discuss their technical advantages and limitations as well as unmet challenges for future improvement.Examples of preliminary applications are also presented to reflect on a new trend of brain imaging in experimental paradigms involving body movements,long and complex protocols,and even disease progression and aging. | Shiyuan Chen Ziehen Wang Dong Zhang Aiming Wang Liangyi Chen Heping Cheng Runlong Wu | 2020 | Neuroscience Bulletin2020，36，10： | 2 |
| 3 | RNA-binding protein QKI regulates contact inhibition via Yes-associate protein in ccRCC显示文摘Contact inhibition adjusts organ size to the proper size and ensures the cultured cells growing to a monolayer.By regulating the downstream coordinator YAP,the evolutionarily conserved Hippo transduction pathway attunes cell growth and death in response to cell contact inhibition,polarity,self-renewal,and differentiation.Dysregulation of this pathway is involved in various diseases such as cancer.RNA-binding protein QKI regulates cell proliferation,metabolism,division,and immunity in various cancer models,but its role in cancer cell contact inhibition remains unclear.In this study,we aimed to clarify the relationship between QKI and YAP,and the role of their interaction in cell contact inhibition.We found a lower QKI expression level in sparse condition,whereas a higher expression level in confluent condition by western blot analysis and immunofluorescence assay.QKI knockdown elevated cell proliferation and invasion both in vitro and in vivo.Strikingly,the results of CCK-8 assay,colony formation assay,and transwell assay showed that the phenomenon was in accord with the expression level of pYAP and reverse with YAP.Higher levels of Wnt3a and β-catenin were also found in xenografts of QKI-knockdown clear cell renal cell carcinoma (ccRCC) CAKI-1 cells by western blot analysis and immumohistochemical staining.Finally,a positive correlation between QKI and pYAP was found in clinical specimens by immunohistochemistry.Thus,as a negative regulator of YAP,QKI attuned the cell contact inhibition,leading to inhibition of cancer cell proliferation and invasion through Wnt and GPCR pathway. | Zheng Zhu Di Wei Xi'an Li Fuli Wang Fei Yan Zibao Xing Zhao Yan Huanyu Lu Dongsheng Zhai Ziehen Ye Geng Zhang Ping Meng Yu Zheng Jiarui Yuan Zifan Lu Jianlin Yuan | 2019 | Acta Biochimica et Biophysica Sinica2019，51，1： | 2 |
| 4 | Paraffin and paraffin/a- luminum foam composite phase change material heat storage experi- mental study based on thermal management of H-ion battery 显示文摘 | Wang Ziehen Zhang Zhuqian Jia Li | 2015 | Applied Thermal Engineering2015，78，5： | 1 |
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