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Updated: Jul 10, 2026

Microfluidic Chips for In Situ Crystal X-ray Diffraction and In Situ Dynamic Light Scattering for Serial Crystallography
11:48

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アルゴナウトの結晶構造とRISCスライサー活動への影響

Ji-Joon Song1, Stephanie K Smith, Gregory J Hannon

  • 1Watson School of Biological Sciences, 1 Bungtown Road, Cold Spring Harbor, NY 11724, USA.

Science (New York, N.Y.)
|July 31, 2004
PubMed
まとめ

アルゴナウトタンパク質は,RNA誘発静止複合体 (RISC) の内にある"スライサー"酵素として関与しています. 構造分析は,アルゴナウトを明らかにしています.

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X-ray Crystallography02:18

X-ray Crystallography

The size of the unit cell and the arrangement of atoms in a crystal may be determined from measurements of the diffraction of X-rays by the crystal, termed X-ray crystallography.
Diffraction
Diffraction is the change in the direction of travel experienced by an electromagnetic wave when it encounters a physical barrier whose dimensions are comparable to those of the wavelength of the light. X-rays are electromagnetic radiation with wavelengths about as long as the distance between neighboring...
Imperfections in Crystal Structure: Stoichiometric Point Defects01:26

Imperfections in Crystal Structure: Stoichiometric Point Defects

Schottky defects arise when some lattice points in a crystal, such as those in NaCl, remain unoccupied, creating lattice vacancies without disturbing the overall electrical neutrality of the crystal. This defect is common in ionic crystals where the positive and negative ions are similar in size, as seen in sodium chloride and cesium chloride. The presence of Schottky defects enables the crystal to conduct electricity to a small extent through an ionic mechanism. Electric fields cause nearby...