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関連する概念動画

Power01:08

Power

13.0K
The concept of work involves force and displacement; meanwhile, the work-energy theorem relates the net work done on a body to the difference in its kinetic energy, calculated between two points on its trajectory. While none of these quantities or relations involves time explicitly, we know that the time available to accomplish work is often just as important as the amount of work itself. For example, sprinters in a race may have achieved the same velocity at the finish, therefore,...
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Instantaneous Power01:22

Instantaneous Power

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Instantaneous power is important in electrical circuits, mainly when dealing with sinusoidal input. Instantaneous power, denoted as p(t), results from the multiplication of the instantaneous voltage (v(t)) across an element and the instantaneous current (i(t)) flowing through it. This relationship adheres to the passive sign convention and represents a fundamental principle in electrical engineering.
906
Complex Power01:14

Complex Power

902
Power engineers have introduced the concept of complex power to determine the cumulative effect of parallel loads. This idea plays a crucial role in power analysis because it encompasses all the details related to the power consumed by a specific load.
Complex power is defined as the multiplication of the voltage and the complex conjugate of the current. The magnitude of this power, known as apparent power, is measured in volt-amperes (VA). Notably, the angle of the complex power equates to the...
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Electrical Power01:07

Electrical Power

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Electric power is the product of current and voltage, represented in units of joules per second, or watts. For example, cars often have one or more auxiliary power outlets with which you can charge a cell phone or other electronic devices. These outlets may be rated at 20 amps and 12 volts, so that the circuit can deliver a maximum power of 240 watts. Consider a 25 Watt bulb and a 60 Watt bulb. The conversion of electrical energy produces heat and light, while the kinetic energy lost by the...
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Sums of Power01:22

Sums of Power

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In definite integration, Riemann sums approximate the area under a curve by dividing it into subintervals and summing the areas of rectangles. When these approximations follow predictable numerical patterns, such as arithmetic or polynomial sequences, sum formulas offer a more efficient and accurate way to compute the result. In particular, the sum of consecutive integers, squares, and cubes plays an essential role in simplifying these calculations, especially when dealing with uniform...
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Nuclear Power02:36

Nuclear Power

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Controlled nuclear fission reactions are used to generate electricity. Any nuclear reactor that produces power via the fission of uranium or plutonium by bombardment with neutrons has six components: nuclear fuel consisting of fissionable material, a nuclear moderator, a neutron source, control rods, reactor coolant, and a shield and containment system.
Nuclear Fuels
Nuclear fuel consists of a fissile isotope, such as uranium-235, which must be present in sufficient quantity to provide a...
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関連する実験動画

Updated: Jan 29, 2026

Fabrication of Three-dimensional Paper-based Microfluidic Devices for Immunoassays
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ペーパーベースマイクロ流体デバイス：迅速検出のための強力な戦略

Xin Liu1, Weimin Xu1, Haowen Jiang1

  • 1School of Printing and Packaging Engineering, Beijing Institute of Graphic Communication, Beijing 102600, China.

Micromachines
|January 28, 2026
PubMed
まとめ
この要約は機械生成です。

マイクロ流体ベース分析デバイス（μPAD）は、疾患、環境汚染物質、食品汚染物質の迅速な現場検出のためのポータブルで低コストのソリューションを提供します。このレビューは、その進歩とアプリケーションを強調しています。

キーワード:
環境モニタリング食品安全紙ベースのマイクロ流体ポイントオブケア診断迅速検出

さらに関連する動画

Using Adhesive Patterning to Construct 3D Paper Microfluidic Devices
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Using Adhesive Patterning to Construct 3D Paper Microfluidic Devices

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Thermal Measurement Techniques in Analytical Microfluidic Devices
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Thermal Measurement Techniques in Analytical Microfluidic Devices

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関連する実験動画

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Fabrication of Three-dimensional Paper-based Microfluidic Devices for Immunoassays
11:33

Fabrication of Three-dimensional Paper-based Microfluidic Devices for Immunoassays

Published on: March 9, 2017

16.3K
Using Adhesive Patterning to Construct 3D Paper Microfluidic Devices
07:53

Using Adhesive Patterning to Construct 3D Paper Microfluidic Devices

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科学分野:

  • 分析化学
  • 生物医学工学
  • 環境科学

背景:

  • 地球の健康は、病気、汚染、食品安全の問題によって脅かされています。
  • 現在の検出方法は正確ですが、複雑な機器と専門知識が必要であり、現場での応用を妨げています。
  • 感度が高く、迅速で、ポータブルな分析ツールの重要なニーズがあります。

研究 の 目的:

  • マイクロ流体ベース分析デバイス（μPAD）の最近の進歩をレビューすること。
  • μPADの製造技術、材料選択、検出メカニズムについて議論すること。
  • 医療診断、環境分析、食品安全におけるμPADのアプリケーションを評価すること。

主な方法:

  • 紙ベースの材料開発と製造技術の概要。
  • μPADの材料選択と検出原理に関する議論。
  • さまざまな分野でのμPADアプリケーションの評価。

主要な成果:

  • μPADは環境に優しく、柔軟性があり、低コストです。
  • 医療、環境、食品安全検査におけるμPADアプリケーションで大きな進歩がありました。
  • このレビューでは、μPADのパフォーマンスに関連する材料の選択と検出戦略について詳しく説明します。

結論:

  • μPADは、アクセス可能で現場での診断とモニタリングのための有望な技術です。
  • 現在の課題に対処し、将来の展望を探るためには、さらなる研究が必要です。
  • μPADは、ポータブル分析デバイスにおける重要な進歩を表しています。