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Inhibition of Cdk Activity02:34

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The orderly progression of the cell cycle depends on the activation of Cdk protein by binding to its cyclin partner. However, the cell cycle must be restricted when undergoing abnormal changes. Most cancers correlate to the deregulated cell cycle, and since Cdks are a central component of the cell cycle, Cdk inhibitors are extensively studied to develop anticancer agents. For instance, cyclin D associates with several Cdks, such as Cdk 4/6, to form an active complex. The cyclin D-Cdk4/6 complex...
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The stepwise destruction of specific proteins is necessary for the progression and completion of the cell cycle. Such proteins are ubiquitinated by ubiquitin ligases and then subsequently destroyed by the proteasome. The SCF (Skp1/Cullin/F-box) and the anaphase-promoting complex (APC) are two important ubiquitin ligases involved in cell cycle progression. While SCF is active throughout the cell cycle, APC gets activated during metaphase to anaphase transition. Cdc20 or Cdh1 binds to APC and...
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Calcium-Scoring CT ScanA calcium-scoring CT scan, also known as coronary artery calcium (CAC) scan, detects calcium deposits in the coronary arteries. This test assesses the risk of coronary artery disease (CAD), which can lead to cardiovascular events such as angina, heart failure, and sudden cardiac arrest.A calcium-scoring CT scan is generally recommended for individuals at intermediate risk of CAD without symptoms. It includes:Men aged 40-75 and women aged 50-75: Especially those with a...
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The spindle assembly checkpoint is a molecular surveillance mechanism ensuring the fidelity of chromosome segregation during anaphase. The checkpoint monitors the completion of all the prerequisite steps before chromosome segregation to determine whether the segregation process should proceed or be delayed.
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CD Spectroscopy to Study DNA-Protein Interactions
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在S-CdIn中

Wenjing Lai1, Shijie Yan1, Min Wang1

  • 1School of Chemistry and Chemical Engineering, State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, Shihezi University, Shihezi, 832003, PR China.

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概括
此摘要是机器生成的。

空螺旋硫化 (S-CIS) 能够在低电位下进行敏感的近红外电化学发光 (ECL) 检测. 这种S-CIS材料用于双模式传感平台,用于高精度的α-fetoprotein (AFP) 检测.

关键词:
阿尔法-胎儿蛋白是一种α-胎儿蛋白.它是双模式的.电化学阻抗光谱学 电化学阻抗光谱学电化学的发光产生了光.新型排放者 新型排放者

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科学领域:

  • 材料科学 材料科学 材料科学
  • 电化学 电化学 电化学
  • 生物医学工程 生物医学工程

背景情况:

  • 像CdIn2S4这样的三元金属硫化物为新型电化学发光 (ECL) 发射器提供可调节的光学性能.
  • 开发高效的近红外 (NIR) ECL材料对于敏感的生物传感应用至关重要.

研究的目的:

  • 通过热水方法合成空心线硫化 (S-CIS).
  • 调查S-CIS的ECL特性,特别是其低激发潜力和NIR发射.
  • 开发一种使用S-CIS进行α-fetoprotein (AFP) 检测的双模式传感平台.

主要方法:

  • 空心CdIn2S4 (S-CIS) 的水热合成.
  • 对于ECL发射和光学属性的S-CIS的表征.
  • 构建一个双模式传感平台,集成电化学阻抗光谱 (EIS) 和ECL.
  • 使用开发的传感平台检测AFP.

主要成果:

  • 在使用K2S2O8.8.的低激发电位 (-1.3V) 时,S-CIS表现出强烈的NIR ECL发射.
  • 该ECL机制归因于表面状态转换,S-CIS显示出优秀的NIR特性.
  • 双模式传感平台实现了高精度和灵敏度的AFP检测,检测极限为0.862 pg mL-1 (ECL) 和16.8 fg mL-1 (EIS).

结论:

  • S-CIS 是一个有前途的NIR发射器,用于开发简单,高效和超灵敏的双模式传感平台.
  • 由于S-CIS的低激发潜力,可以最大限度地减少生物分子的损伤,从而保持生物活性.
  • 这项研究强调了S-CIS在临床诊断和早期疾病检测方面的潜力.