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Related Concept Videos

Fast Reactions01:27

Fast Reactions

Fast reactions occurring in times shorter than the time needed to mix reactants pose a unique challenge for investigation. In a liquid-phase continuous-flow system, reactants A and B are swiftly pushed into the mixing chamber, where mixing occurs within 1 ms. The reaction mixture then flows through an observation tube, and one measures light absorption to determine species concentrations at various points of the tube. This method is most appropriate when relatively large volumes of reactants...
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Super-resolution fluorescence microscopy (SRFM) provides a better resolution than conventional fluorescence microscopy by reducing the point spread function (PSF). PSF is the light intensity distribution from a point that causes it to appear blurred. Due to PSF, each fluorescing point appears bigger than its actual size, and it is the PSF interference of nearby fluorophores that causes the blurred image. Various approaches to achieving higher resolution through SRFM have recently been developed.

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Utilization of Stop-flow Micro-tubing Reactors for the Development of Organic Transformations
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Published on: January 4, 2018

Recent advances in microflow photochemistry.

Michael Oelgemöller1, Oksana Shvydkiv

  • 1School of Pharmacy and Molecular Sciences, James Cook University, Townsville, QLD 4811, Australia. michael.oelgemoeller@jcu.edu.au

Molecules (Basel, Switzerland)
|September 7, 2011
PubMed
Summary
This summary is machine-generated.

This review covers new developments in microflow photochemistry, including various reaction types. It highlights the technology

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Area of Science:

  • Photochemistry
  • Chemical Engineering
  • Organic Synthesis

Background:

  • Microflow photochemical technologies offer precise control over reaction parameters.
  • Photochemistry is a powerful tool for organic synthesis, enabling unique transformations.
  • Scaling up photochemical reactions presents challenges in light penetration and heat management.

Purpose of the Study:

  • To review recent advancements in microflow photochemical technologies.
  • To summarize the diverse range of photochemical transformations achievable using microflow systems.
  • To discuss the scalability and industrial applicability of microflow photochemistry.

Main Methods:

  • Literature review of recent publications on microflow photochemistry.
  • Categorization of photochemical reactions based on mechanism and substrate type.
  • Analysis of studies focusing on scale-up and process development.

Main Results:

  • A broad portfolio of homogeneous and heterogeneous photochemical reactions has been developed.
  • Examples include photoadditions, photorearrangements, photoreductions, photodecarboxylations, photooxygenations, and photochlorinations.
  • Successful development of scale-up and technical production processes for microflow photochemistry.

Conclusions:

  • Microflow photochemistry is a versatile and rapidly advancing field.
  • The technology is suitable for both micro-scale synthesis and industrial production.
  • Further development promises wider applications in chemical manufacturing.