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相关概念视频

Source Transformation for AC Circuits01:11

Source Transformation for AC Circuits

The process of source transformation in the frequency domain entails the conversion of a voltage source, positioned in series with an impedance, into a current source that is parallel to an impedance, or the other way around. It is essential to maintain the following relationships while transitioning from one source type to another.
Clamper Circuit01:14

Clamper Circuit

A clamper circuit, also known as a DC restorer, represents a specialized variant of the rectifier circuit, notable for its method of taking the output across the diode rather than the capacitor. This configuration lends to several distinctive applications, particularly in handling square wave inputs.
Within this circuit, the diode's orientation prompts the capacitor to charge up to the level of the most negative peak of the input signal. Upon reaching this state, the diode ceases to conduct,...
Elements of Block Diagrams01:25

Elements of Block Diagrams

Block diagrams serve as a visual representation of the input-output relationships within a system. An illustrative example is a heating system, where the set temperature activates the furnace to warm the room to the desired level. Block diagrams are versatile, modeling linear systems through Laplace transform variables and nonlinear systems using time domain variables.
A block diagram typically includes essential elements such as comparators, blocks, and feedback loops. Each of these elements...

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相关实验视频

Updated: Jul 5, 2026

Microfluidic Chips Controlled with Elastomeric Microvalve Arrays
18:11

Microfluidic Chips Controlled with Elastomeric Microvalve Arrays

Published on: October 1, 2007

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现场可编程地形变形阵列用于通用实验室芯片系统.

Yangyang Fan1,2,3,4, Huimin Wu2, Jiao Wang2

  • 1Fudan University, Shanghai, 200433, China.

Advanced materials (Deerfield Beach, Fla.)
|November 18, 2024
PubMed
概括

一个新的可重新配置的微流体芯片,现场可编程的拓形态阵列 (FPTMA),使软件控制的动态流体操纵成为可能. 这一突破为各种lab-on-a-chip应用提供了前所未有的灵活性.

关键词:
芯片上的实验室系统.液晶弹性体执行器的执行器液晶弹性体阵列 液晶弹性体阵列可重新配置的微流体学可重新编程的表面.

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相关实验视频

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科学领域:

  • 微流体学 微流体学
  • 材料科学 材料科学 材料科学
  • 工程 工程师 工程师 工程师

背景情况:

  • 目前的芯片实验室系统使用静态微流体芯片,限制了各种应用的适应性.
  • 现有的设计往往是单一的目的,缺乏复杂或不断变化的实验需求所需的灵活性.

研究的目的:

  • 为了引入一种新的可重新配置的微流体芯片,即现场可编程拓形态阵列 (FPTMA).
  • 实现具有增强结构重新配置和现场可编程性的通用实验室芯片系统.

主要方法:

  • 设计了一个概念性的FPTMA芯片,灵感来自现场可编程门阵列.
  • 使用软件编程来动态塑造弹性元界面.
  • 产生的时空地形形态变化诱导的毛细血管力,用于积极的多滴滴操纵.

主要成果:

  • 实现了特殊的结构重构和功能可扩展性.
  • 演示了各种微流体操作,功能和流量网络的实时重新配置.
  • 通过动态界面拓,实现了对多个滴滴的并行操纵.

结论:

  • FPTMA为芯片实验室系统提供了一个通用平台,克服了当前技术的局限性.
  • 动态界面地形操纵为数字微流体学提供了一个新的范式.
  • 这项技术将推动生物学,医学和化学领域的重大创新.