相关实验视频

Updated: May 16, 2025

Combining Microfluidics and Microrheology to Determine Rheological Properties of Soft Matter during Repeated Phase Transitions

Combining Microfluidics and Microrheology to Determine Rheological Properties of Soft Matter during Repeated Phase Transitions

Published on: April 19, 2018

阶段分离的同类微粒的液体到凝的转换是内源性酶催化剂所能实现的

Jian Liu¹, Junbo Li¹, Yan Huang²

¹Center for Innovative Research in Synthetic Chemistry and Resource Utilization, College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 150040, PR China.

Journal of colloid and interface science

|April 4, 2025

概括

生物模拟凝结物的酶催化交叉连接驱动液态至凝相位过渡. 这种过渡改变了物理性质并限制了生化过程,为细胞功能障碍和疾病机制提供了洞察力.

科学领域:

生物化学生物化学
细胞生物学细胞生物学
生物物理学的生物物理.

背景情况:

由液-液相分离 (LLPS) 形成的生物分子凝聚物对于细胞组织至关重要.
从液态到凝/固态的异常相位过渡与细胞功能障碍和疾病有关.

研究的目的:

开发一种生物模拟模型,展示缩物中由酶催化交联诱导的相变.
为了研究这种液体到凝过渡的物理和功能后果.

主要方法:

创建模仿生物分子凝聚物的同微滴.
通过内源性酶催化交叉链接诱导相变.
物理性质的表征 (移动性,模量,纳米粒子相互作用,耐盐性).
生物化学过程限制和可逆动态的评估.

主要成果:

酶催化交叉连接触发了微滴中的液态-凝相变.
这种转变导致了内部流动性降低,存储模块增加和选择性纳米粒子阻断.
类似凝的微滴显示出可逆动态,基于离子强度的客分子的释放/重新捕获有限.
阶段过渡被证明可以限制酶级联,影响生化过程.

结论:

生物模拟同生物为研究LLPS驱动的相变提供了一个平台.
酶催化交叉链接是驱动细胞病态相变的一个关键机制.
这种模型提供了对凝结物行为和疾病机制的化学见解.

关键词:

生物分子凝聚物是生物分子的凝聚物.他们是共同的,共同的.酶级联是一种酶级联.液体液相分离器液体液相分离器阶段过渡阶段过渡

更多相关视频

Fabricating High-viscosity Droplets using Microfluidic Capillary Device with Phase-inversion Co-flow Structure

Fabricating High-viscosity Droplets using Microfluidic Capillary Device with Phase-inversion Co-flow Structure

Published on: April 17, 2018

Microfluidic Preparation of Liquid Crystalline Elastomer Actuators

Microfluidic Preparation of Liquid Crystalline Elastomer Actuators

Published on: May 20, 2018

相关概念视频

Colloids

Colloids

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...