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相关概念视频

Factors Affecting Solubility04:01

Factors Affecting Solubility

Compared with pure water, the solubility of an ionic compound is less in aqueous solutions containing a common ion (one also produced by dissolution of the ionic compound). This is an example of a phenomenon known as the common ion effect, which is a consequence of the law of mass action that may be explained using Le Chȃtelier’s principle. Consider the dissolution of silver iodide:
Feedback Regulation of Calcium Concentration01:27

Feedback Regulation of Calcium Concentration

Calcium is an essential signaling molecule required for various cellular functions. Calcium pumps and ion channels on cell and organellar membranes, such as those on the endoplasmic reticulum (ER), regulate calcium concentrations inside the cell. They remain closed, keeping the cytosolic calcium levels low at a resting state.
Various transmembrane receptors, such as G protein-coupled receptors (GPCRs), elicit a response to extracellular signals by increasing cytosolic calcium. Activated GPCRs...
Skeleton and Calcium Homeostasis01:21

Skeleton and Calcium Homeostasis

Calcium is not only the most abundant mineral in bone but also the most abundant mineral in the human body. Calcium ions are needed for bone mineralization, tooth health, heart rate regulation and strength of contraction, blood coagulation, the contraction of smooth and skeletal muscle cells, and the regulation of nerve impulse conduction. The average calcium level in the blood is about 10 mg/dL. When the body cannot maintain this level, a person will experience hypo or hypercalcemia.

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相关实验视频

Updated: Jun 7, 2026

Direct Imaging of ER Calcium with Targeted-Esterase Induced Dye Loading (TED)
09:32

Direct Imaging of ER Calcium with Targeted-Esterase Induced Dye Loading (TED)

Published on: May 7, 2013

从ER中重新氧化.

H Llewelyn Roderick1, Martin D Bootman

  • 1Laboratory for Molecular Signalling, The Babraham Institute, Babraham, Cambridge, CB2 4AT, United Kingdom.

Cell
|January 18, 2005
PubMed
概括

伊诺西1,4,5-三酸盐 (InsP3) 诱导的释放对细胞功能至关重要. 一项新的研究显示,InsP3受体是由内质网膜调节的.

科学领域:

  • 细胞生物学 细胞生物学
  • 分子生理学分子生理学
  • 信号传递的.

背景情况:

  • 由内醇1,4,5-三酸盐 (InsP3) 介导的从内细胞网膜 (ER) 释放是一种基本的细胞过程.
  • 这种信号通路调节了整个生物体生命的关键细胞功能.

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Monitoring Endoplasmic Reticulum Calcium Homeostasis Using a Gaussia Luciferase SERCaMP
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Monitoring Endoplasmic Reticulum Calcium Homeostasis Using a Gaussia Luciferase SERCaMP

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Monitoring ER/SR Calcium Release with the Targeted Ca2+ Sensor CatchER+
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Monitoring ER/SR Calcium Release with the Targeted Ca2+ Sensor CatchER+

Published on: May 19, 2017

相关实验视频

Last Updated: Jun 7, 2026

Direct Imaging of ER Calcium with Targeted-Esterase Induced Dye Loading (TED)
09:32

Direct Imaging of ER Calcium with Targeted-Esterase Induced Dye Loading (TED)

Published on: May 7, 2013

Monitoring Endoplasmic Reticulum Calcium Homeostasis Using a Gaussia Luciferase SERCaMP
08:41

Monitoring Endoplasmic Reticulum Calcium Homeostasis Using a Gaussia Luciferase SERCaMP

Published on: September 6, 2015

Monitoring ER/SR Calcium Release with the Targeted Ca2+ Sensor CatchER+
12:30

Monitoring ER/SR Calcium Release with the Targeted Ca2+ Sensor CatchER+

Published on: May 19, 2017