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関連する概念動画

Ligand Binding and Linkage00:49

Ligand Binding and Linkage

Allosteric proteins have more than one ligand binding site; the binding of a ligand to any of these sites influences the binding of ligands to the other sites. When a protein is allosteric, its binding sites are called coupled or linked.  In the case of enzymes, the site that binds to the substrate is known as the active site and the other site is known as the regulatory site. When a ligand binds to the regulatory site, this leads to conformational changes in the protein that can influence the...
Adaptability of Cytoskeletal Filaments01:12

Adaptability of Cytoskeletal Filaments

The cytoskeleton is a complex dynamic structure performing varied functions based on cellular requirements. The adaptability of the individual filaments in the cytoskeleton determines their ability to perform various functions within the cell. It can undergo rapid reorganization during processes like cell division or remain stable for several hours as in the interphase. The adaptability of these filaments depends on stringent regulatory mechanisms. The microfilament and microtubules of the...
Covalently Linked Protein Regulators02:04

Covalently Linked Protein Regulators

Proteins can undergo many types of post-translational modifications, often in response to changes in their environment. These modifications play an important role in the function and stability of these proteins. Covalently linked molecules include functional groups, such as methyl, acetyl, and phosphate groups, and also small proteins, such as ubiquitin. There are around 200 different types of covalent regulators that have been identified.
These groups modify specific amino acids in a protein.
Radical Chain-Growth Polymerization: Chain Branching01:17

Radical Chain-Growth Polymerization: Chain Branching

The skeletal structure of polymers synthesized via radical polymerization is always branched. For example, the polymerization of ethylene by radical polymerization results in a low-density grade of polyethylene with a heavily branched skeletal structure. Here, the radical site abstracts hydrogen from the growing chain, and the radical site shifts from the end (a primary carbon center) to anywhere within the growing chain (a secondary carbon center). Consequently, the part of the chain from the...
Anchoring Junctions01:03

Anchoring Junctions

Anchoring junctions are multiprotein complexes that help cells connect to other cells and the extracellular matrix. Anchoring junctions are present on the lateral and basal surfaces of cells, providing strong and flexible connections. Focal adhesions are often formed due to cell interactions with the ECM substrata, which initiate signal transduction via kinase cascades and other mechanisms. Together, they provide stability and tissue integrity. There are three types of anchoring junctions:...
Stability of structures01:14

Stability of structures

In mechanical engineering, the stability of systems under various forces is critical for designing durable and efficient structures. One fundamental way to explore these concepts is by analyzing systems like two rods connected at a pivot point, O, with a torsional spring of spring constant k at the pivot point. This system is similar in appearance to a scissor jack used to change tires on a car. In this case, the arms of the linkage (equivalent to the rods in this system) are entirely vertical,...

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関連する実験動画

Updated: Jul 10, 2026

Adjustable Stiffness, External Fixator for the Rat Femur Osteotomy and Segmental Bone Defect Models
10:09

Adjustable Stiffness, External Fixator for the Rat Femur Osteotomy and Segmental Bone Defect Models

Published on: October 9, 2014

ジョセフソン交差点には,調節可能な弱いリンクがあります.

J H Schön1, C Kloc, H Y Hwang

  • 1Bell Laboratories, Lucent Technologies, 600 Mountain Avenue, Murray Hill, NJ 07974-0636, USA. hendrik@lucent.com

Science (New York, N.Y.)
|April 17, 2001
PubMed
まとめ
この要約は機械生成です。

研究者は,電場を使用して有機分子結晶を絶縁状態から超伝導状態に調節することができます. これにより,超伝導回路や材料研究用の調節可能なジョセフソン結合の作成が可能になります.

さらに関連する動画

Design and Synthesis of a Reconfigurable DNA Accordion Rack
07:44

Design and Synthesis of a Reconfigurable DNA Accordion Rack

Published on: August 15, 2018

DNA Tension Probes to Map the Transient Piconewton Receptor Forces by Immune Cells
06:53

DNA Tension Probes to Map the Transient Piconewton Receptor Forces by Immune Cells

Published on: March 20, 2021

関連する実験動画

Last Updated: Jul 10, 2026

Adjustable Stiffness, External Fixator for the Rat Femur Osteotomy and Segmental Bone Defect Models
10:09

Adjustable Stiffness, External Fixator for the Rat Femur Osteotomy and Segmental Bone Defect Models

Published on: October 9, 2014

Design and Synthesis of a Reconfigurable DNA Accordion Rack
07:44

Design and Synthesis of a Reconfigurable DNA Accordion Rack

Published on: August 15, 2018

DNA Tension Probes to Map the Transient Piconewton Receptor Forces by Immune Cells
06:53

DNA Tension Probes to Map the Transient Piconewton Receptor Forces by Immune Cells

Published on: March 20, 2021

科学分野:

  • 凝縮物質物理学 凝縮物質物理学
  • マテリアルサイエンス 材料科学
  • オーガニック・エレクトロニクス

背景:

  • 有機分子結晶は,調節可能な電気的性質を示します.
  • 電気フィールドの適用により,これらの材料を絶縁性から超伝導性状態に移行させることができます.

研究 の 目的:

  • 有機分子結晶における調節可能なジョセフソン結合の製造を実証する.
  • 超伝導回路アプリケーションにおけるこれらのデバイスの利用を調査する.
  • これらの装置を,超伝導材料のパラメータを研究するためのツールとして活用する.

主な方法:

  • フィールド効果スイッチのゲート電極を構造化して,電荷载体密度を調節する.
  • 超伝導領域間の結合を制御するためにゲートバイアスを適用する.
  • ポリアセンやC60.0のような有機分子結晶を用いて

主要な成果:

  • ゲート電極設計による電荷载体と超流体密度の調節が実証された.
  • 調節可能なジョセフソン・ジャンクションのように振る舞う弱いリンクを成功裏に製造しました.
  • ゲートバイアスを持つ超伝導領域間のカップリングを制御する能力を示しました.

結論:

  • オーガニック分子結晶は,調節可能な超伝導装置を作成するための汎用的なプラットフォームを提供します.
  • フィールド・エフェクト・コントロールは,これらの材料でジョセフソン・ジャンクションを製造するための方法を提供します.
  • これらの装置は,高度な超伝導回路と超伝導性の基礎研究のための可能性を秘めています.