585 Result(s)

Article

Zircon SHRIMP dating of sodium alkaline rocks from Maomaogou area of Huili County in Panxi, SW China and its geological implications

Alkali-feldspar syenites from the Maomaogou area of Huili County in Panxi of Sichuan Province, SW China are sodium alkaline rocks, the minerals of which are mainly composed of calcic ferroaugite, ferroamphibol...

Hongying Liu, Bin **a, Yuquan Zhang in Chinese Science Bulletin (2004)

Article

Constitutive activation of AtMEK₅, a MAPK kinase, induces salicylic acid-independent cell death in Arabidopsis thaliana

AtMEK₅ ^DD is an active mutant of AtMEK₅, a MAP kinase kinase in Arabidopsis. Induction of AtMEK₅ ^DD expression in transgenic plants leads to activation of 44 and 48 kD MAPKs and ca...

Hongxia Liu, Ying Wang, Tianhong Zhou, Yu**g Sun, Guoqin Liu… in Chinese Science Bulletin (2004)

Article

Study on molecular interaction between NifA and NifL ofPseudomonas stutzeri A1501 by using the yeast two-hybrid system

Zhihong **e, Yi Yang, Shuzheng **, Ming Chen, Wei Zhang… in Chinese Science Bulletin (2005)

Article

Preparation of PbS nanoparticles templated from perovskite Langmuir-Blodgett film

Limei Xu, **ao Chen, Luyan Wang, Zhenming Sui, Hongguo Liu… in Chinese Science Bulletin (2005)

Article

Correlation analysis and QTL identification for canopy temperature, leaf water potential and spikelet fertility in rice under contrasting moisture regimes

Canopy temperature (CT), leaf water potential (LWP) and spikelet fertility (SF) of a set of RILs (F₉) from the cross between Zhenshan97B and IRAT109 were investigated under two soil moisture regimes in a drought ...

Hongyan Liu, Guihua Zou, Guolan Liu, Songpin Hu, Mingshou Li… in Chinese Science Bulletin (2005)

Article

Rac1b and reactive oxygen species mediate MMP-3-induced EMT and genomic instability

The tumour microenvironment can be a potent carcinogen, not only by facilitating cancer progression and activating dormant cancer cells, but also by stimulating tumour formation¹. We have previously investigated ...

Derek C. Radisky, Dinah D. Levy, Laurie E. Littlepage, Hong Liu… in Nature (2005)

Article

Geochemical significance of the relative enrichment of pristane and the negative excursion of δ¹³C_Pr across the Permian-Triassic Boundary at Meishan, China

Changes in the distribution of isoprenoid hydrocarbons and in δ¹³C_kero or δ¹³C_Pr across the section from the Changxing Formation to the lower Yinkeng Formation at Meishan (the GSSP of PTB) are studied, in which a...

Chunjiang Wang, Yimei Liu, Hongxiu Liu, Lei Zhu, Quan Shi in Chinese Science Bulletin (2005)

Article

Personality and neurochemicals in the human brain: A preliminary study using¹H MRS

To investigate the neuro-biological bases of introversion-extraversion personality traits, the concentration of four neurochemicals (Cho, ml, α-Glx and NAA) in anterior cigulate gyrus between normal extroverts...

Shiyong Xu, Danling Peng, Zhen **, Hongyan Liu, Jie Yang in Chinese Science Bulletin (2005)

Article

Effect of La³⁺ on osteoblastic differentiation of rat bone marrow stromal cells

In the present work, the effect of La³⁺ on osteoblastic differentiation of primary rat bone marrow stromal cells (MSCs) as well as the related mechanisms are studied. Differentiation is monitored by detection of ...

Hongmei Liu, Tianlan Zhang, Shan** Xu, Kui Wang in Chinese Science Bulletin (2006)

Article

Neuro-cognitive mechanisms underlying the emotional modulation of word reading

A novel neural model for emotional modulation of word reading is proposed. This model has four principal hypotheses: the dominant activation region hypothesis, the emotional modulation hypothesis, the attentio...

Danling Peng, Zhiguo Hu, Hongyan Liu, Conghui Liu… in Chinese Science Bulletin (2006)

Article

Sperm chromatin proteomics identifies evolutionarily conserved fertility factors

The identification of conserved proteins important for sperm chromatin structure and packaging can reveal possible causes of male fertility of clinical importance. A proteomics strategy in the nematode Caenorhabd...

Diana S. Chu, Hongbin Liu, Paola Nix, Tammy F. Wu, Edward J. Ralston… in Nature (2006)

Article

Inclusion of the Eastern Asia endemic genus Sorolepidium in Polystichum (Dryopteridaceae): Evidence from the chloroplast rbcL gene and morphological characteristics

The taxonomic status of the Eastern Asia endemic Sorolepidium is controversial. Some authors accept it as member of the large diverse genus Polystichum, whereas others suggest that it is an independent genus sepa...

HongMei Liu, **anChun Zhang, ZhiDuan Chen, YinLong Qiu in Chinese Science Bulletin (2007)

Article

Description to wear debris boundaries by radar graph fractal method

In this paper, radar graph fractal method is introduced to describe wear debris boundaries. Research results show that it is a nice way to describe wear debris boundaries. Since the longest axis is selected as...

HongTao Liu, ShiRong Ge in Chinese Science Bulletin (2007)

Article

Tree-ring based PDSI reconstruction since AD 1842 in the Ortindag Sand Land, east Inner Mongolia

Based on three Chinese pine (Pinus tabulaeformis Carr.) and one Meyer spruce (Picea meyeri Rehd. et Wils.) ring-width chronologies, a 163-year drought history was reconstructed in the eastern Ortindag Sand Land. ...

ErYuan Liang, XueMei Shao, HongYan Liu, Dieter Eckstein in Chinese Science Bulletin (2007)

Article

Biodiversity and biogeography of phages in modern stromatolites and thrombolites

Stromatolites are living, layered structures formed in shallow waters by a combination of microbial biofilms — usually of blue-green algae — and granular deposits. They are rare today but for about 2 billion y...

Christelle Desnues, Beltran Rodriguez-Brito, Steve Rayhawk, Scott Kelley… in Nature (2008)

Article

Deep structure at northern margin of Tarim Basin

In this paper, a 2D velocity structure of the crust and the upper mantle of the northern margin of the Tarim Basin (TB) has been obtained by ray tracing and theoretical seismogram calculation under the conditi...

JunMeng Zhao, HongGang Cheng, Shun** Pei, HongBing Liu… in Chinese Science Bulletin (2008)

Article

Relations between thickness of UHMWPE’s wear debris and positive pressure of tribological system

MiaoXAM2.5X-50X Ultrahigh Precision Surface 3D Profiler is introduced to research the relations between thickness of UHMWPE’s wear debris and positive pressure of tribological system. Research results show tha...

HongTao Liu, ShiRong Ge in Chinese Science Bulletin (2008)

Article

Negative differential resistance in single-walled SiC nanotubes

A two-probe system was established for a finite (7, 0) silicon carbide (SiC) nanotube coupled to Au (111) surfaces via Au-C bonds. Using the non-equilibrium Green function (NEGF) combined with density function...

YinTang Yang, JiuXu Song, Hong**a Liu, ChangChun Chai in Chinese Science Bulletin (2008)

Article

Bmi1 regulates mitochondrial function and the DNA damage response pathway

Mice deficient in the Polycomb repressor Bmi1 develop numerous abnormalities including a severe defect in stem cell self-renewal, alterations in thymocyte maturation and a shortened lifespan. Previous work has...

Jie Liu, Liu Cao, Jichun Chen, Shiwei Song, In Hye Lee, Celia Quijano… in Nature (2009)