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Quantification of the Abundance and Charging Levels of Transfer RNAs in Escherichia coli
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Charge migration and charge transfer in molecular systems.

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Charge transfer research advances with attosecond spectroscopy, enabling detailed study of electron and nuclear quantum dynamics. This allows reconstruction of charge migration and control of molecular processes.

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Area of Science:

  • Molecular-level charge transfer phenomena.
  • Ultrafast quantum dynamics of electrons and nuclei.

Background:

  • Charge transfer is fundamental across chemistry, physics, biology, and materials science.
  • Research remains active 60+ years after R. A. Marcus's foundational work.
  • Attosecond temporal resolution is a recent advancement driving new insights.

Purpose of the Study:

  • To review recent research on ultrafast charge transfer dynamics.
  • To explore the reconstruction and control of charge migration.
  • To understand intramolecular charge transfer in various systems and environments.

Main Methods:

  • State-of-the-art ultrafast spectroscopy.
  • Advanced theoretical methods.
  • Attosecond time-resolved measurements.

Main Results:

  • Reconstruction of charge migration on atomic length and electronic time scales.
  • Demonstration of control over charge migration using strong laser fields.
  • Temporal resolution of intramolecular charge transfer in diverse molecular systems.
  • Insights into charge transfer timescales in liquids and nanoparticles.

Conclusions:

  • Ultrafast spectroscopy and theoretical methods provide unprecedented insights into charge transfer.
  • The ability to resolve attosecond dynamics is crucial for understanding elementary quantum processes.
  • Tailoring molecular systems for specific charge-transfer applications is an emerging possibility.