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相关概念视频

Production of Formed Elements01:34

Production of Formed Elements

Hemangioblasts are multipotent stem cells originating from the mesoderm. They give rise to hematopoietic stem cells (HSCs), which undergo hematopoiesis to produce all the formed elements of blood. This process is regulated by a complex network of hematopoietic growth factors, including transcription factors, growth factors, and cytokines. These factors stimulate the HSCs to divide and differentiate, though some HSCs remain undifferentiated to maintain a self-renewing pool.
Most HSCs commit to...

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通过扩散粘合凝组件制造有形和有图案的超分子多元器件

Chayanan Tangsombun1, David K Smith1

  • 1Department of Chemistry, University of York, Heslington, York YO10 5DD, U.K.

Journal of the American Chemical Society
|October 27, 2023
PubMed
概括
此摘要是机器生成的。

科学家们开发了酸扩散技术来制造核心外超分子凝珠. 这种方法允许在软纳米电子和再生医学中使用嵌入金属纳米颗粒的3D凝制造.

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科学领域:

  • 超分子化学
  • 材料科学
  • 纳米技术

背景情况:

  • 核心外超分子凝珠使用低分子量凝器 (LMWGs) 组装.
  • 酸扩散是控制凝组装的关键触发因素.
  • 金属纳米粒子 (NP) 可以纳入凝结构以实现功能应用.

研究的目的:

  • 报告一种用于组装核心外超分子凝珠的新酸扩散方法.
  • 通过嵌入金属纳米颗粒来展示模拟的3D凝结构的制造.
  • 探索这些动态凝物体在软纳米电子和再生医学中的潜在应用.

主要方法:

  • 从核心 (agarose,DBS-CONHNH2,酸) 中利用酸扩散来触发外组装 (DBS-COOH).
  • 将金属纳米颗粒 (AuNPs,AgNPs) 纳入凝芯,通过现场减少.
  • 采用扩散粘合组装和层层的技术来制造3D物体.
  • 使用基本的DBS-碳酸盐珠作为质子沉积器来创建打印的3D架构.

主要成果:

  • 通过酸扩散成功组装了核心外超分子凝珠.
  • 通过扩散粘合组件, 展示了对凝结构的设计和制造3D物体的能力.
  • 通过使用质子槽珠作为模板,制造出3D打印的多凝架构.
  • 在定义的位置成功嵌入金和银纳米粒子在凝内.

结论:

  • 酸扩散方法可以动态制造有形和有图案的凝.
  • 这种方法可以精确地控制凝组合和纳米颗粒的结合.
  • 由此产生的功能化的凝物体对软纳米电子和再生医学的下一代应用具有前景.