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10 Result(s)

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  1. No Access

    Article

    Conglomerates and sandstones from the Yintun Formation in Northern Liaoning Province: Implications for the Huronian Glaciation and reconstruction of the Columbia supercontinent

    New U–Pb zircon geochronology data suggest that the Yintun Formation is younger than ~1895 Ma and is late Paleoproterozoic. The Yintun Formation may represent the first sedimentary cover of the North China Cra...

    Liyang Zhang, Bei Xu, Zhiwen Luo, Wen Liao in Science Bulletin (2016)

  2. No Access

    Article

    A machine learning-based method to detect fluorescent spots and an accelerated, parallel implementation of this method

    Under most microscopes, the fluorescent signals emitted from biological structures, such as vesicles, as well as the signals from single molecules will appear as small puncta, which contribute to a Gaussian-li...

    Bei Liu, Wanjuan Feng, Tao Xu, Wei Ji in Chinese Science Bulletin (2014)

  3. Article

    Open Access

    Structural and chronological constraints on a Late Paleozoic shortening event in the Yanshan Tectonic Belt

    Early deformation history of the Yanshan Tectonic Belt is an unsolved, important issue. We report early structures and their dating results in basement rocks south of the Kalaqin metamorphic core complex. The ...

    ShaoZe Lin, Guang Zhu, LeJia Yan, LiHong Song, Bei Liu in Chinese Science Bulletin (2013)

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  4. Article

    Open Access

    Remobilization of heavy metals during the resuspension of Liangshui River sediments using an annular flume

    The release and transport of heavy metals (Ni, Cr, Cu and Pb) from Liangshui River sediments into the overlying water column during the resuspension event were determined using an annular flume with a velocity...

    JianZhi Huang, **aoPeng Ge, **aoFang Yang, Bei Zheng… in Chinese Science Bulletin (2012)

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  5. Article

    Open Access

    Knockdown of MRP4 by lentivirus-mediated siRNA improves sensitivity to adriamycin in adriamycin-resistant acute myeloid leukemia cells

    Chemotherapy remains the standard treatment for acute myeloid leukemia; however, the emergence of drug resistance is a major hurdle in the successful treatment of leukemia. The expression of multidrug resistan...

    Bei Liu, Li Zhao, HaiZhen Ma, Wei Zhang, Yu ** in Chinese Science Bulletin (2012)

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  6. No Access

    Article

    The structure of phospholamban and its MD simulations

    Phospholamban is an important protein with responsibility for regulating the activity of the sarcoplasmic reticulum Ca2+ pump through reversible phosphorylation. And its three-dimensional structure in living cell...

    Bei Tang, Ke Gong, **gFang Wang, YiXue Li, DongQing Wei in Chinese Science Bulletin (2010)

  7. No Access

    Article

    Development and application of tumor-targeting magnetic nanoparticles FA-StNP@Fe2O3 for hyperthermia

    Modified magnetic starch nanoparticles (FA-StNP@Fe2O3) were synthesized by conjugating folic acid (FA-PEG-NH2) onto the surface of magnetic starch nanoparticles (StNP@Fe2O3) prepared by reverse microemulsion meth...

    YuanQing Zheng, ChunYi Tong, Bei Wang, Ying **e, HongDong Liao… in Chinese Science Bulletin (2009)

  8. No Access

    Article

    C-isotope composition and correlation of the Upper Neoproterozoic in Ke** area, **njiang

    C-isotope analysis of the carbonates in the Upper Neoproterozoic in Ke**, **njiang indicates that the Qigebrak Formation and the Upper Sugaitbrak Formation mainly record positive C-isotope values, and a dist...

    **uBin He, Bei Xu, ZhiYun Yuan in Chinese Science Bulletin (2007)

  9. No Access

    Article

    Evaluation for cell affinity of the composite material containing carbon nanotubes

    The composite material of poly-(L-lactide) (PLLA) and carbon nanotubes (CNTs) were prepared. Its surface morphologies and property were worked out by using atomic force microscopy (AFM) and contact angle measurem...

    Shizhao Kang, Yuqing Wan, Huijuan Yan, Jianzhong Bei, Chen Wang… in Chinese Science Bulletin (2004)

  10. No Access

    Article

    C-isotope composition and significance of the Sinian on the Tarim plate

    102 samples of limestones, mudrocks shales and tillites from the Sinian in Kuluketage have been analyzed. Four formations in the Sinian belong to glacial deposits in which the differences in δ13C are distinct (−1...

    Bei Xu, Haifei Zheng, Haitao Yao, Yongan Li in Chinese Science Bulletin (2003)