Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Indirect Motor Pathways01:22

Indirect Motor Pathways

3.0K
The indirect motor or extrapyramidal pathways originate in the brainstem, the lower portion of the brain that connects it to the spinal cord. They consist of several distinct tracts, each with specialized functions. The four main tracts of the indirect motor pathways are the vestibulospinal tract, the reticulospinal tract, the tectospinal tract, and the rubrospinal tract.
The vestibulospinal tract originates in the vestibular nuclei of the brainstem. The vestibular system detects changes in...
3.0K
EDTA: Indirect and Alkalimetric Titration01:23

EDTA: Indirect and Alkalimetric Titration

1.8K
Unlike direct titration, back-titration, and displacement titration, indirect titration is an EDTA titration method for quantifying anions. In the indirect titration method, anions are precipitated as their insoluble salts with excess metal ions. The filtrate containing the excess metal ions is directly titrated with standard EDTA until the endpoint is achieved. Another approach involves extracting the metal ion and back-titrating with standard EDTA to obtain the endpoint. In this way, the...
1.8K
Microbial Growth Measurement: Indirect Methods01:27

Microbial Growth Measurement: Indirect Methods

1.4K
Estimating microbial growth is essential for understanding population dynamics and environmental adaptations. Indirect methods provide valuable insights by measuring parameters such as turbidity, metabolic activity, and biomass, enabling efficient and reproducible assessments.During exponential growth, microbial cells scatter light proportionally to their biomass, a principle used in turbidity measurements. About one million cells per milliliter produce detectable scattering, which a...
1.4K
Indirect-Acting Cholinergic Agonists: Pharmacokinetics01:22

Indirect-Acting Cholinergic Agonists: Pharmacokinetics

1.6K
Indirect-acting cholinergic agonists, or anticholinesterases, enhance the body's cholinergic activity by inhibiting acetylcholine's breakdown. They are categorized as reversible or irreversible agents based on their mechanism of action. They are further classified into short-acting, intermediate-acting, and long-acting agents based on their duration of action.
Reversible agents containing quaternary amines, such as neostigmine and edrophonium, are not easily absorbed orally because they...
1.6K
Adrenergic Agonists: Indirect-Acting Agents01:25

Adrenergic Agonists: Indirect-Acting Agents

2.6K
Indirect-acting adrenergic agonists potentiate the effects of endogenous catecholamines through different mechanisms without directly binding to adrenoceptors.
One mechanism involves depleting stored catecholamines by displacing them from synaptic vesicles. These agents, known as "displacers," are transported into vesicles at the expense of noradrenaline. Examples include amphetamine and tyramine, which lack a catechol moiety, resulting in prolonged action, improved oral...
2.6K
Persuasion Strategies01:52

Persuasion Strategies

43.0K
Researchers have tested many persuasion strategies, including the foot-in-the door and the door-in-the-face techniques, in a variety of contexts. Ultimately, the principles are effective in selling products and changing people’s attitude, ideas, and behaviors (Cialdini & Goldstein, 2004).
43.0K

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Advances in light-based 3D bioprinting.

Biofabrication·2026
Same author

Volumetric 3D printing of a fluoropolymer and closed-loop chemical recycling of its fluorinated content.

Nature communications·2026
Same author

RAFT-Mediated 3D Printing of Polylactones/Itaconate Elastomers with Polypeptide Surface Functionalization.

ACS polymers Au·2026
Same author

Radiopaque coating for improved implantability and <i>in vivo</i> imaging of neural probes.

Journal of materials chemistry. B·2026
Same author

Bioactive Limonene-Derived Oligomer in Gelatin Hydrogels: Impact of Cross-Linking Chemistry on Physicochemical Properties and Wound Healing Performance.

ACS applied materials & interfaces·2025
Same author

Light-Based 3D Printing of Polyesters: From Synthesis to Fabrication.

Chemical reviews·2025

相关实验视频

Updated: Jan 21, 2026

3D Printed Porous Cellulose Nanocomposite Hydrogel Scaffolds
06:36

3D Printed Porous Cellulose Nanocomposite Hydrogel Scaffolds

Published on: April 24, 2019

10.1K

细胞友好型间接3D打印策略用于脚手架制造

Lana Van Damme1,2,3, Phillip Blondeel2,3, Sandra Van Vlierberghe1,3

  • 1Department of Organic and Macromolecular Chemistry, Polymer Chemistry & Biomaterials Group, Centre of Macromolecular Chemistry (CMaC), Ghent Alliance for Tissue Engineering (GATE), Ghent University, Ghent, Belgium.

Macromolecular rapid communications
|January 20, 2026
PubMed
概括

聚乙醇 (PVA) 模具可以制造用于组织工程 (TE) 的载有细胞的水凝支架. 这种方法克服了某些生物材料的粘度限制,促进了功能性TE结构的3D打印.

关键词:
细胞封装的细胞封装.新型的间接生物打印技术照片可交叉链接的凝再组合的原蛋白.

更多相关视频

Fabrication of Engineered Vascular Flaps Using 3D Printing Technologies
08:31

Fabrication of Engineered Vascular Flaps Using 3D Printing Technologies

Published on: May 19, 2022

4.4K
Fabrication of Custom Agarose Wells for Cell Seeding and Tissue Ring Self-assembly Using 3D-Printed Molds
08:16

Fabrication of Custom Agarose Wells for Cell Seeding and Tissue Ring Self-assembly Using 3D-Printed Molds

Published on: April 2, 2018

12.3K

相关实验视频

Last Updated: Jan 21, 2026

3D Printed Porous Cellulose Nanocomposite Hydrogel Scaffolds
06:36

3D Printed Porous Cellulose Nanocomposite Hydrogel Scaffolds

Published on: April 24, 2019

10.1K
Fabrication of Engineered Vascular Flaps Using 3D Printing Technologies
08:31

Fabrication of Engineered Vascular Flaps Using 3D Printing Technologies

Published on: May 19, 2022

4.4K
Fabrication of Custom Agarose Wells for Cell Seeding and Tissue Ring Self-assembly Using 3D-Printed Molds
08:16

Fabrication of Custom Agarose Wells for Cell Seeding and Tissue Ring Self-assembly Using 3D-Printed Molds

Published on: April 2, 2018

12.3K

科学领域:

  • 生物材料科学 生物材料科学
  • 组织工程是组织工程.
  • 生物打印是一种生物打印技术.

背景情况:

  • 水凝支架对于组织工程 (TE) 应用至关重要.
  • 低粘度生物材料对基于挤出的3D打印构成了挑战.
  • 开发方法来制造具有受控架构的细胞载荷支架是必不可少的.

研究的目的:

  • 通过自下而上的TE方法评估用于制造含有细胞的水凝支架的聚乙烯醇 (PVA) 模具.
  • 研究PVA模具的使用,以克服水凝3D打印中的粘度限制.
  • 评估用于软组织的PVA成型水凝支架的生物相容性和机械性能.

主要方法:

  • 凝衍生物的功能化和其凝行为评估.
  • 使用水溶性PVA模具进行间接3D打印,用于低粘度的水凝.
  • 脚手架属性的表征,包括CAD/CAM模拟,膨胀率,机械性质和细胞活力.

主要成果:

  • 聚乙烯模具表现出极好的水溶性,生物相容性和光透射性.
  • 脚手架显示高CAD/CAM模仿 (~110%) 和适合的胀比率 (4-24) 软的TE.
  • 机械性能 (Young的模数0.8-2 kPa) 模仿本地脂肪组织,细胞活力在14天内保持高 (>80%).

结论:

  • 聚乙烯模具有效地塑造了TE应用的凝衍生物,确保了细胞兼容性.
  • 这种方法绕过了粘度问题,使得低粘度的可相交联的水凝能够3D打印.
  • 用PVA成型的水凝支架为先进的TE提供了对结构和细胞行为的控制.