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相关概念视频

Colloids03:22

Colloids

21.1K
Children at play often make suspensions such as mixtures of mud and water, flour and water, or a suspension of solid pigments in water known as tempera paint. These suspensions are heterogeneous mixtures composed of relatively large particles that are visible to the naked eye or can be seen with a magnifying glass. They are cloudy, and the suspended particles settle out after mixing. On the other hand, a solution is a homogeneous mixture in which no settling occurs and in which the dissolved...
21.1K
Colloids and Suspensions01:17

Colloids and Suspensions

3.4K
Children at play often make suspensions such as mixtures of mud and water, flour and water, or a suspension of solid pigments in water known as tempera paint. These suspensions are heterogeneous mixtures composed of relatively large particles visible to the naked eye or seen with a magnifying glass. They are cloudy, and the suspended particles settle out after mixing. The suspended particles in a suspension settle out after some time of mixing. The separation of particles from a suspension is...
3.4K
Colloidal precipitates01:09

Colloidal precipitates

6.5K
The high insolubility of some precipitates can result in an unfavorable relative supersaturation. This can lead to colloidal particles with a large surface-to-mass ratio, where adsorption is promoted. For instance, in the precipitation of silver chloride, silver ions are adsorbed on the surface of the colloidal particles, forming a primary layer. This layer attracts ions of opposite charge (such as nitrate ions), forming a diffuse secondary layer of adsorbed ions. This electric double layer...
6.5K
Fixed Action Patterns01:06

Fixed Action Patterns

17.7K
A fixed action pattern (FAP) is a specific, hard-wired sequence of behaviors that occurs in response to an external stimulus, called a sign stimulus. The behavior is “fixed” because it is essentially unchangeable—proceeding similarly across individuals of a species every time it occurs.
17.7K
Patterns of Fever01:26

Patterns of Fever

3.9K
Before understanding the types and patterns of fever, it is essential to know its phases.
3.9K
Surface Tension and Surface Energy01:16

Surface Tension and Surface Energy

3.3K
When a paint brush is immersed in water, the bristles wave freely inside the water. When it is taken out, the bristles stick together. The reason behind this effect is surface tension.
Consider a beaker filled with liquid. The bulk molecules in the liquid experience equal attractive forces on all sides with the surrounding molecules. However, the surface molecules experience a net attractive force downward due to the bulk molecules. The surface of the liquid behaves like a stretched membrane,...
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Updated: Feb 4, 2026

Synthesis and Characterization of Supramolecular Colloids
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Synthesis and Characterization of Supramolecular Colloids

Published on: April 22, 2016

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结合体图案的表面区分恶性机械表型.

Chalom Zemmour1,2, Mor Ozeri1, Ora T Cohen1

  • 1Institute for Drug Research, School of Pharmacy, Faculty of Medicine, The Hebrew University of Jerusalem, 91120, Jerusalem, Israel.

Materials today. Bio
|February 2, 2026
PubMed
概括
此摘要是机器生成的。

这项研究引入了一个无标签的平台,使用环状地形来测量癌细胞的生物物理特征,揭示与转移有关的明显的粘附和颗粒吸收模式. 该方法有助于识别潜在的临床用途的侵袭性癌细胞.

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Synthesis and Characterization of Supramolecular Colloids
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Synthesis and Characterization of Supramolecular Colloids

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Photodeposition of Pd onto Colloidal Au Nanorods by Surface Plasmon Excitation
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科学领域:

  • 生物物理学的生物物理.
  • 癌症生物学 癌症生物学
  • 材料科学 材料科学 材料科学

背景情况:

  • 准确识别攻击性癌细胞对于有效治疗至关重要.
  • 转移性进展涉及复杂的细胞生物物理变化.
  • 评估癌细胞攻击性的现有方法存在局限性.

研究的目的:

  • 开发和验证一个无标签的机制类型识别平台,用于识别侵袭性癌细胞.
  • 揭示与转移潜力相关的生物物理特征,特别是粘附和颗粒吸收.
  • 为了将这些生物物理特征与细胞行为和分子通路相关联.

主要方法:

  • 在细胞培养板上制造受控的体拓形状,使用聚烯珠.
  • 在这些微/纳米特征表面上测量癌细胞粘附和颗粒吸收.
  • 使用原子力显微镜 (AFM) 来绘制力图和转录性分析分子分析.

主要成果:

  • 与原发性瘤细胞相比,转移性癌细胞表现出明显的粒子吸收增加和更强的粘附模式.
  • 粘附差异取决于粒子大小,在体表面比平面基板更明显.
  • 淋巴选择细胞的粘附性降低,但颗粒吸收率更高,这表明转移期间的动态变化.
  • 转录组数据揭示了粘附性转移性细胞中的粘附和细胞外基质 (ECM) 重塑途径的丰富.

结论:

  • 开发的平台通过评估无标签的生物物理特征,提供了转移潜力的功能签名.
  • 通过体地形学进行机械类型鉴定为癌细胞分类和攻击性评估提供了一种新的方法.
  • 这种可访问的技术对高通量和癌症诊断中的临床应用具有前景.