Peer ReviewDownload a summary of the editorial decision process including editorial decision letters, reviewer comments and author responses to feedback. Protein Kinase A (PKA) is regulated spatially ...

NHRC: 'Time has come to act against those aiding, abetting, supporting and advancing terrorism' The National Human Rights Commission (NHRC) has expressed deep concern over the killing of tourists ...

Learn all about various types of certificates of deposit, how they work and how they potentially fit into your savings and investment planning. Browse Investopedia’s expert-written library to ...

Troy Segal is an editor and writer. She has 20+ years of experience covering personal finance, wealth management, and business news. Vikki Velasquez is a researcher and writer who has managed ...

在神经科学领域，蛋白激酶 A（PKA）和细胞外信号调节激酶（ERK）对学习和记忆至关重要，但它们的信号交互机制不明。研究人员以果蝇为模型展开研究，发现 PKA 限制 Kenyon 细胞中 ERK 信号传导。这为理解神经信号通路提供依据，对相关疾病研究意义重大。

烯醇结构的羟基氧上一对P电子和碳碳双键中的π键形成P-π共轭体系，使电荷在一定程度上偏向碳端，增加了羟基氧氢键的极性，使氢更容易离去（pKa：10.94），不好理解的话可以参考苯酚结构。氢离子离去后形成烯醇负离子是一个三原子四电子的共轭体系 ...

Ibuprofen is a relatively weak acid (pka 4.4) and its solubility in water or at acid pHis very low. This results in a relatively long residence time in the acid environment of the stomach ...

With uncertainty and caution about money common, it’s important to have a firm grasp on spending habits and other aspects of personal finance. A survey shed light on the mood, and the AICPA offered ...

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With 97,000 members worldwide, the ICE exists to improve lives by ensuring the world has the engineering capacity and infrastructure systems it needs to enable our planet and our people to thrive.