Nature综述:肿瘤中的铜死亡 人体必需的微量元素中,铜在生物过程中发挥着重要作用。Cu 1+和Cu 2+之间的转换赋予铜独特的氧化还原特性,对许多生理过程至关重要。铜还是细胞色素c氧化酶等关键酶的辅助因子,对细胞呼吸和能量产生起到关键作用。除了作为酶的辅助因子,铜还参与调节...
目前,癌症依然是严重威胁人类健康的重大疾病之一。众所周知,肿瘤的发生是由多种因素决定的,除了遗传、饮食和环境等外部因素外,以肿瘤微环境为首的内部因素在掌握着肿瘤的“生杀大权”。 肿瘤微环境(TME)是一个由多种恶性细胞、未转化的基质细胞和免疫细...
Nature 567, 76–80 (2019). Article ADS Google Scholar Hsu, W.-T. et al. Tailoring excitonic states of van der Waals bilayers through stacking configuration, band alignment, and valley spin. Sci. Adv. 5, eaax7407 (2019). Article ADS Google Scholar Liu, E. et al. Excitonic and ...
Nature 567, 91–95 (2019). ADS CAS PubMed Google Scholar Kirwan, M. L. & Megonigal, J. P. Tidal wetland stability in the face of human impacts and sea-level rise. Nature 504, 53–60 (2013). ADS CAS PubMed Google Scholar Lovelock, C. E. et al. The vulnerability of Indo-...
Nature 586, 567–571 (2020). Article ADS CAS PubMed PubMed Central Google Scholar Vara, M., Wang, X., Howe, J., Chi, M. & Xia, Y. Understanding the stability of Pt-based nanocages under thermal stress using in situ electron microscopy. ChemNanoMat 4, 112–117 (2017). Article ...
This chapter briefly traces the history of nature of science (NOS) orientations in science education, notes some differences in the way NOS is defined and in arguments used to justify its inclusion in the school science curriculum and acknowledges the ce
摘要: While a tremendous amount of research has focused 关键词: urban Aboriginal populations urban geography nature Ottawa populations autochtones urbaines geographie urbaine 年份: 2016 收藏 引用 批量引用 报错 分享 求助全文 通过文献互助平台发起求助,成功后即可免费获取论文全文。 请先登入相似文献...
e,依靠气压差传送星壤颗粒的气动采样器[74]。f,带闭合机制的抓取采样器。g,带岩石研磨/抛光机制的岩石研磨工具,可观察岩石的原始内部结构[75]。h,生物启发的采样器,受到挖洞动物的启发[76]。左边:通过挤压星壤进行穿透的似鼹鼠采样器[77]。右边:通过移动两个切削瓣进行穿透的似木蜂采样器[78]。
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2019年,发表了两项关于维生素D和怀孕的科克伦分析。他们认为补充维生素D可以减少妊娠糖尿病、低出生体重和先兆子痫,但高于目前推荐的剂量似乎没有额外的好处,除了可能进一步减少妊娠糖尿病[74,75]。然而,近年来的一些研究强调,女性维生素D缺乏的风险很高,这与不良妊娠结局有关,包括先兆子痫和妊娠糖尿病[76,77,78,79...