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相关概念视频

Morphogenesis02:19

Morphogenesis

Plant morphogenesis—the development of a plant’s form and structure—involves several overlapping developmental processes, including growth and cell differentiation. Precursor cells differentiate into specific cell types, which are organized into the tissues and organ systems that make up the functional plant.
Anatomy of the Ear01:16

Anatomy of the Ear

Auditory sensation, commonly called hearing, involves the transformation of sonic waves into neural impulses facilitated by the structures of the auditory organ. The prominent, flesh-like structure on the side of the head, called the auricle, directs sound waves towards the auditory canal. The auricle is often mislabeled as the pinna, a term more aligned with mobile structures like a feline's external ear. The auditory canal penetrates the cranium via the external auditory meatus of the...
Design Example01:23

Design Example

The innovation of touch-tone telephony revolutionized the telecommunications industry by replacing the traditional rotary dial with a dual-tone multi-frequency (DTMF) signaling system. This system uses a matrix-style keypad with buttons arranged in four rows and three columns, creating 12 distinct signals each assigned to a pair of frequencies. Each button press results in a simultaneous generation of two sinusoidal tones – one from a low-frequency group (697 to 941 Hz) and one from a...
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Designing and plotting a curve using field data requires precise calculations and execution. A horizontal curve with a radius of 200 meters and an intersection angle of 20 degrees is established using the method of perpendicular offsets from the long chord. The long chord, which spans between the curve's endpoints, is calculated to be 69.46 meters in length. To maintain accuracy in plotting, intervals of 3 meters are selected along the chord.The engineer determines the offset distances for each...

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Updated: Jun 24, 2026

Simple Lithography-Free Single Cell Micropatterning using Laser-Cut Stencils
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软光刻法定义的模板,用于任意图案的声学生物组件组件.

Sihan Chen1, Lili Zhu1, Jibo Wang1

  • 1Tissue Engineering and Organ Manufacturing (TEOM) Lab, Department of Biomedical Engineering, TaiKang Medical School (School of Basic Medical Sciences), Wuhan University, Wuhan, Hubei 430071, People's Republic of China.

Biofabrication
|November 22, 2024
PubMed
概括
此摘要是机器生成的。

软光刻定义的声学生物组装 (SLAB) 能够为复杂的组织模拟提供精确的细胞模式. 这项技术创造了具有肝脏特异性功能的任意多细胞结构,推进了组织工程.

关键词:
幅度调制模板 幅度调制模板这是一个任意的模式.生物制造是生物制造的方法.大规模的声学生物组装.肝脏组织模仿肝脏组织.软石版印刷是一种软石版印刷.

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科学领域:

  • 生物技术是生物技术.
  • 组织工程是组织工程.
  • 生物制造的生物制造

背景情况:

  • 声学生物组装是创建功能性组织模拟的强大工具.
  • 目前的方法仅限于简单的对称图案,阻碍了复杂的组织结构的创建.

研究的目的:

  • 开发一种新的声学生物组装技术,用于创建几何复杂的多细胞结构.
  • 通过这种新方法来证明将活细胞模拟成任意设计的能力.

主要方法:

  • 使用聚甲基 (PDMS) 构造作为振幅调制模板,开发了一种软刻板定义的声学生物组装 (SLAB) 技术.
  • PDMS 构建精确控制的近场声波压力分布到图案细胞.
  • 内皮球体和肝细胞被组装成肝脏组织模拟器 (LTM).

主要成果:

  • 该SLAB技术成功地将生物颗粒组装成对称和不对称的模式.
  • 形成的LTM表现出肝脏特异性的关键功能,包括白蛋白分泌,尿素合成,葡萄糖代谢和脂质储存.
  • 该技术允许创建任意的,几何定义的多细胞结构.

结论:

  • SLAB技术克服了传统声学生物组装的局限性,使复杂的组织架构的构建成为可能.
  • 这种方法具有很大的潜力,可以通过创建功能性组织模仿器来推进组织工程和再生医学.
  • SLAB是一种多功能工具,用于制造复杂的细胞结构,在各种领域都有潜在的应用.