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The treeline on Changbai Mountain controlled by low temperature and water stress, has not reached the position most commonly expected. Treeline pattern is an important consideration in exploring the general mechanisms controlling the response of treelines to climatic change. However, most of the present conclusions were derived from evergreen and/or conifer… (More)
OBJECTIVE To explore the intervention effects of lutein on liver toxicity in mice induced by arsenic trioxide (As2O3) and to evaluate the preventive effect and the antioxidant mechanism of lutein. METHODS A total of 84 healthy KM mice were randomly divided into eight groups. There were 35 d control group, 70 d control group, 35 d lutein group, 70 d lutein… (More)
OBJECTIVE The combination of intracoronary transplantation and ultrasound-mediated microbubble destruction may promote effective and accurate delivery of bone marrow stem cells (BMSCs) into the infarct zone. To test this hypothesis in this study we examined the effectiveness of ultrasound-mediated microbubble destruction in combination with intracoronary… (More)
Novel highly luminescent Cu(+) doped CdS quantum dots (QDs) were directly synthesized in aqueous phase through a facile single-step noninjection method. Due to their bright red fluorescence, ultrasmall size, and good biocompatibility, as-prepared CdS:Cu(+) QDs have potential as probes in bio-imaging.