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関連する概念動画

ATP Driven Pumps III: V-type Pumps01:30

ATP Driven Pumps III: V-type Pumps

4.7K
V-type pumps are ATP-driven pumps found in the vacuolar membranes of plants, yeast, endosomal and lysosomal membranes of animal cells, plasma membranes of a few specialized eukaryotic cells, and some prokaryotes. They are also known as the V1Vo-ATPase, that couple ATP hydrolysis to transport protons against a concentration gradient.
The peripheral or cytosolic V1 domain with eight subunits is involved in ATP hydrolysis. The integral or transmembrane V0 domain containing at least five subunits...
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ATP Driven Pumps II: P-type Pumps01:34

ATP Driven Pumps II: P-type Pumps

6.2K
The P-type pumps are a large family of integral membrane transporter ATPases. They are divided into five major types based on substrate specificity, from I to V.
A typical P-type pump has three cytosolic domains: nucleotide-binding (N), phosphorylation (P), and activator (A) domains. These domains are connected to the membrane-spanning helices by short amino acid segments. ATP hydrolysis and covalent phosphoenzyme intermediate formation are crucial parts of the catalytic cycle. At the highly...
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Machines01:19

Machines

559
Machines are complex structures consisting of movable, pin-connected multi-force members that work together to transmit forces. One example of a machine is the cutting plier, which is used to cut wires by applying forces to its handles. When equal and opposite forces are exerted on the handles of the cutting plier, they cause the cutting edges to come together and apply equal and opposite reaction forces on the wire, which are greater than the applied forces.
A free-body diagram of the...
559
Pumped Concrete01:13

Pumped Concrete

357
Concrete in large quantities can be pumped across long distances for placing in inaccessible sites. This system comprises a hopper that receives concrete from a mixer, a pump to propel the concrete, and pipelines that facilitate its delivery.
For direct-acting pumps, the concrete enters the pump via the inlet valve under the action of gravity and suction created by the movement of the piston. This concrete is then forced into the pipeline and out through the outlet valve by the forward movement...
357
Machines: Problem Solving II01:30

Machines: Problem Solving II

649
Machines are complex structures consisting of movable, pin-connected multi-force members that work together to transmit forces. Consider a lifting tong carrying a 100 kg load. It comprises movable sections DAF and CBG linked together with member AB.
649
Refrigerators and Heat Pumps01:07

Refrigerators and Heat Pumps

3.0K
Refrigerators or heat pumps are heat engines operating in a reverse direction. For a refrigerator, the focus is on removing heat from a specific area, whereas, for a heat pump, the focus is on dumping heat into one particular area. A refrigerator (or heat pump) absorbs heat Qc from the cold reservoir at Kelvin temperature Tc and discards heat Qh to the hot reservoir at Kelvin temperature Th, while work W is done on the engine’s working substance.
A household refrigerator removes heat from...
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A Fabrication Method for Highly Stretchable Conductors with Silver Nanowires
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A Fabrication Method for Highly Stretchable Conductors with Silver Nanowires

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柔らかい機械のための伸縮式ポンプ

Vito Cacucciolo1, Jun Shintake2,3, Yu Kuwajima4

  • 1Soft Transducers Laboratory (LMTS), Institute of Microengineering, School of Engineering, École Polytechnique Fédérale de Lausanne (EPFL), Neuchâtel, Switzerland. vito.cacucciolo@epfl.ch.

Nature
|August 16, 2019
PubMed
まとめ
この要約は機械生成です。

研究者は電水力学を用いた 新しい柔らかい物質ポンプを開発しました これらの柔軟な固体ポンプは 自律的なソフトロボットや ウェアラブルデバイスを可能にします これまでの流体システムの限界を克服します

さらに関連する動画

Scalable Fabrication of Stretchable, Dual Channel, Microfluidic Organ Chips
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Scalable Fabrication of Stretchable, Dual Channel, Microfluidic Organ Chips

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Author Spotlight: Microfluidic Channel-Based Soft Electrodes and Their Application in Capacitive Pressure Sensing
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A Fabrication Method for Highly Stretchable Conductors with Silver Nanowires
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A Fabrication Method for Highly Stretchable Conductors with Silver Nanowires

Published on: January 21, 2016

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Scalable Fabrication of Stretchable, Dual Channel, Microfluidic Organ Chips
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Author Spotlight: Microfluidic Channel-Based Soft Electrodes and Their Application in Capacitive Pressure Sensing
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科学分野:

  • ソフトロボティクス
  • 材料科学
  • 流体力学

背景:

  • 柔軟な材料は高度なロボットや ウェアラブルデバイスを可能にしますが 効率的で携帯可能な 流体ポンプは欠けています
  • 既存のソフトアクチュエータは,大容量または複雑な流体システムに依存します.
  • ソフトポンプの開発が制限されているため,ソフトマシンの自律性と持ち運びが困難です.

研究 の 目的:

  • ソフトマテリアの2方向ポンプを導入する
  • これらのポンプの能力を様々な用途で実証する.
  • 機械の持ち運び能力と自律性の限界を克服する

主な方法:

  • パンプの動作のための電荷注入電気水力学.
  • 柔軟で伸縮可能な固体ポンプの製造
  • ポンプをウェアラブルデバイスや充填構造に組み込むこと

主要な成果:

  • 柔軟で伸縮可能で モジュール式で スケール可能で 静かで 速く動く 双方向ポンプを開発しました
  • 手袋に組み込まれたポンプを使用して,アクティブな熱管理が実証されています.
  • ポンプを膨らむ構造に埋め込むことで,自立した流体"筋肉"を作り出しました.

結論:

  • 開発された柔らかい物質ポンプは,柔らかい機械における流体アクチュエーションの汎用的なソリューションを提供します.
  • これらのポンプは,ウェアラブル技術,マイクロ流体,および自律的なソフトロボティクスのアプリケーションに重要な可能性を秘めています.
  • 固体性質と性能はソフトロボティックの分野を進めている.