Jove
Visualize
お問い合わせ
JoVE
x logofacebook logolinkedin logoyoutube logo
JoVEについて
概要リーダーシップブログJoVEヘルプセンター
著者向け
出版プロセス編集委員会範囲と方針査読よくある質問投稿
図書館員向け
推薦の声購読アクセスリソース図書館諮問委員会よくある質問
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experimentsアーカイブ
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教員リソースセンター教員サイト
利用規約
プライバシーポリシー
ポリシー

関連する概念動画

Molecular Structure and Acidity02:34

Molecular Structure and Acidity

20.9K
An acid can be deprotonated to form a conjugate base or an anion. If the produced anion is more stable, then the acid is stronger. On the contrary, if the anion is unstable, then the acid is weaker. Hence, to determine the acidity of the compound, the stability of its conjugate base is studied using various factors.
The size effect explains the change in atomic size on acidity. When comparing the acids formed from elements that belong to the same column in the periodic table, their atomic sizes...
20.9K
Assembly of Complex Microtubule Structures01:32

Assembly of Complex Microtubule Structures

2.5K
Complex microtubule structures are present in resting cells and in dividing cells. In resting cells, they are responsible for maintaining the cellular architecture, tracks for intracellular transport, positioning of organelles, assembly of cilia and flagella. They mediate the bipolar spindle assembly for chromosomal segregation and positioning of the cell division plate in dividing cells. The formation of microtubule complex structures depends on the cell type, cell stage, and cell function.
2.5K
Acid Strength and Molecular Structure03:05

Acid Strength and Molecular Structure

33.1K
Binary Acids and Bases
In the absence of any leveling effect, the acid strength of binary compounds of hydrogen with nonmetals (A) increases as the H-A bond strength decreases down a group in the periodic table. For group 17, the order of increasing acidity is HF < HCl < HBr < HI. Likewise, for group 16, the order of increasing acid strength is H2O < H2S < H2Se < H2Te. Across a row in the periodic table, the acid strength of binary hydrogen compounds increases with increasing...
33.1K
Lewis Structures of Molecular Compounds and Polyatomic Ions02:54

Lewis Structures of Molecular Compounds and Polyatomic Ions

45.3K
To draw Lewis structures for complicated molecules and molecular ions, it is helpful to follow a step-by-step procedure as outlined:
45.3K
Range00:59

Range

14.2K
The range is one of the measures of variation. It can be defined as the difference between a dataset's highest and lowest values. For example, in the study of seven 16-ounce soda cans, the filled volume of soda was measured, thus producing the following amount (in ounces) of soda:
15.9; 16.1; 15.2; 14.8; 15.8; 15.9; 16.0; 15.5
Measurements of the amount of soda in a 16-ounce can vary since different subjects record these measurements or since the exact amount - 16 ounces of liquid, was not...
14.2K
Structure of Benzene: Molecular Orbital Model01:18

Structure of Benzene: Molecular Orbital Model

12.4K
According to the molecular orbital (MO) model, benzene has a planar structure with a regular hexagon of six sp2 hybridized carbons. As shown in Figure 1, each carbon is bonded to three other atoms with C–C–C and H–C–C bond angles of 120°. The C–H bond length is 109 pm, and the C–C bond length is 139 pm which is midway between the single bond length of sp3 hybridized carbons (154 pm) and sp2 hybridized carbons (133 pm).
12.4K

こちらも読む

関連記事

共著者、ジャーナル、引用グラフによってこの研究に関連する記事。

並び替え
Same author

General Oxidative Chemical Activation of Neutral Exciton Emission in Colloidal MoS<sub>2</sub> Monolayers.

Journal of the American Chemical Society·2026
Same author

Designing and mapping cascade catalysis pathway for balanced polysulfide conversion in Li-S batteries.

Nature communications·2026
Same author

Electrically functionalized body surface for deep-tissue bioelectrical recording.

Nature biomedical engineering·2026
Same author

Cation-Limited Hydroxide Anion Diffusion Drives Asymmetric Hydrogen Kinetics on Transition-Metal Decorated Platinum Surface.

Journal of the American Chemical Society·2026
Same author

Complete Phase Transformation of Ir Nanowire Network into Defect-Rich Oxide Catalyst for High-Performance PEM Water Electrolysis.

Advanced materials (Deerfield Beach, Fla.)·2026
Same author

Tracking the Evolution of Iridium Nanocatalysts During Acidic Oxygen Evolution Reaction by Substrate-Stabilized Identical-Location Transmission Electron Microscopy.

Small methods·2026

関連する実験動画

Updated: Feb 2, 2026

Fabrication of Spherical and Worm-shaped Micellar Nanocrystals by Combining Electrospray, Self-assembly, and Solvent-based Structure Control
06:16

Fabrication of Spherical and Worm-shaped Micellar Nanocrystals by Combining Electrospray, Self-assembly, and Solvent-based Structure Control

Published on: February 11, 2018

20.4K

分子構造変換による長距離階層ナノ結晶組成

Enbo Zhu, Shiyi Wang1, Xucheng Yan

  • 1Department of Chemical and Biological Engineering , University of Colorado-Boulder , Boulder , Colorado 80309 , United States.

Journal of the American Chemical Society
|November 27, 2018
PubMed
まとめ

研究者は,プラチナナノ結晶の形成と組み立てを制御するためにペプチド高位構造 (HOSs) を使用して生物鉱化を模倣した. この生体模倣アプローチは プログラム可能な材料の 精密なナノスケール合成と長距離の自己組織化を可能にします

さらに関連する動画

Measurements of Long-range Electronic Correlations During Femtosecond Diffraction Experiments Performed on Nanocrystals of Buckminsterfullerene
08:44

Measurements of Long-range Electronic Correlations During Femtosecond Diffraction Experiments Performed on Nanocrystals of Buckminsterfullerene

Published on: August 22, 2017

8.1K
Light-driven Molecular Motors on Surfaces for Single Molecular Imaging
08:40

Light-driven Molecular Motors on Surfaces for Single Molecular Imaging

Published on: March 13, 2019

12.0K

関連する実験動画

Last Updated: Feb 2, 2026

Fabrication of Spherical and Worm-shaped Micellar Nanocrystals by Combining Electrospray, Self-assembly, and Solvent-based Structure Control
06:16

Fabrication of Spherical and Worm-shaped Micellar Nanocrystals by Combining Electrospray, Self-assembly, and Solvent-based Structure Control

Published on: February 11, 2018

20.4K
Measurements of Long-range Electronic Correlations During Femtosecond Diffraction Experiments Performed on Nanocrystals of Buckminsterfullerene
08:44

Measurements of Long-range Electronic Correlations During Femtosecond Diffraction Experiments Performed on Nanocrystals of Buckminsterfullerene

Published on: August 22, 2017

8.1K
Light-driven Molecular Motors on Surfaces for Single Molecular Imaging
08:40

Light-driven Molecular Motors on Surfaces for Single Molecular Imaging

Published on: March 13, 2019

12.0K

科学分野:

  • バイオミネラライゼーションとバイオミメティック材料科学
  • ナノテクノロジーと素材の自己組み立て
  • ペプチドの構造と機能の関係

背景:

  • 生物学的鉱物合成における階層的な制御は困難です.
  • バイオミネラライゼーションの研究では,高分子構造 (HOS) がしばしば無視されている.
  • HOSはバイオミネラルの長距離組立に不可欠です

研究 の 目的:

  • ナノ結晶の形成と階層的組み立てを導くためにペプチドHOSを探求する.
  • 人工鉱物合成のためのバイオミメティック経路と定量シミュレーションを開発する.
  • ナノ結晶の形態と組成におけるペプチド二次構造の役割を理解する.

主な方法:

  • 特定のペプチド (T7) とプラチナナノ結晶を用いたバイオミメティックアプローチを用いた.
  • ペプチドHOSとナノ結晶組立に対するその影響を研究するために定量シミュレーションを使用した.
  • T7ペプチドの濃度に依存する構造的移行 (ST-シートへのターン) を調査した.

主要な成果:

  • T7ペプチドは立方形のプラチナナノ結晶の形成を促した.
  • T7の二次構造は ST-ターンからβシートに 濃度が増加した.
  • T7のβシート形状は,Ptナノ結晶の自己組み立てを,長距離配列に導いた.
  • HOSによって導かれる生物/非生物学的材料の特異性とナノスケール合成が実証されています.

結論:

  • バイオ分子HOSはナノ結晶の形成とアニソトロピックアセンブリを正確に制御できます
  • この研究は,マルチスケールのプログラム可能な構造を作成するための新しいバイオミメティック戦略を提供します.
  • 階層的な組織で高度な材料を設計するための新しい道を開きます.