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Related Concept Videos

Applications Of NMR In Biology01:25

Applications Of NMR In Biology

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Nuclear magnetic resonance (NMR) spectroscopy is a very valuable analytical technique for researchers. It has been used for more than 50 years as an analytical tool. F. Bloch and E. Purcell formulated NMR in 1946 and won the 1952 Nobel Prize in Physics  for their work. Biological macromolecules such as proteins, nucleic acids, lipids, and organic molecules including pharmaceutical compounds, can be studied using this versatile tool that exploits the magnetic properties of certain nuclei.
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What is Conservation Biology?01:57

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Conservation biology is a scientific field that focuses on the preservation of biodiversity in order to protect ecosystems while meeting the needs of the human population. Humans require properly functioning ecosystems to maintain our supply of natural resources, including food, medicines, and building materials.
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¹³C NMR: ¹H–¹³C Decoupling01:04

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The probability of having two carbon-13 atoms next to each other is negligible because of the low natural abundance of carbon-13. Consequently, peak splitting due to carbon-carbon spin-spin coupling is not observed in spectra. However, protons up to three sigma bonds away split the carbon signal according to the n+1 rule, resulting in complicated spectra.
A broadband decoupling technique is used to simplify these complex, sometimes overlapping, signals. Broadband decoupling relies on a...
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Biological Effects of Radiation02:59

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All radioactive nuclides emit high-energy particles or electromagnetic waves. When this radiation encounters living cells, it can cause heating, break chemical bonds, or ionize molecules. The most serious biological damage results when these radioactive emissions fragment or ionize molecules. For example, α and β particles emitted from nuclear decay reactions possess much higher energies than ordinary chemical bond energies. When these particles strike and penetrate matter, they...
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¹H NMR of Conformationally Flexible Molecules: Variable-Temperature NMR01:15

¹H NMR of Conformationally Flexible Molecules: Variable-Temperature NMR

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The axial and equatorial protons in cyclohexane can be distinguished by performing a variable-temperature NMR experiment. In this process, except for one proton, the remaining eleven protons are replaced by deuterium. The deuterium substitution avoids the possible peak splitting caused by the spin-spin coupling between the adjacent protons. The remaining proton flips between the axial and equatorial positions.
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¹H NMR: Pople Notation01:09

¹H NMR: Pople Notation

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The Pople nomenclature system classifies spin systems based on the difference between their chemical shifts. Coupled spins are denoted by capital letters with subscripts indicating the number of equivalent nuclei. When the coupled nuclei have well-separated chemical shifts, they are assigned letters that are far apart in the alphabet, such as A and X. When the difference in chemical shifts is small, coupled nuclei are named using adjacent letters of the alphabet (AB, MN, or XY).
A proton...
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Updated: Feb 8, 2026

Spin Saturation Transfer Difference NMR SSTD NMR: A New Tool to Obtain Kinetic Parameters of Chemical Exchange Processes
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NMR, a tool for biology.

Nadia Izadi-Pruneyre1, Michael Nilges2

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The "NMR, a tool for biology" conference highlights advances in nuclear magnetic resonance (NMR) applications for fundamental biological questions. Experts showcased the latest methods and discoveries in structural biology at the XIVth edition in Paris.

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Area of Science:

  • Biochemistry and structural biology
  • Molecular biology

Background:

  • The "NMR, a tool for biology" conference convenes experts every two years.
  • It focuses on applying nuclear magnetic resonance (NMR) to fundamental biological questions.

Purpose of the Study:

  • To present key highlights from the XIVth edition of the "NMR, a tool for biology" conference.
  • To showcase the latest methodological and application advances in NMR for structural biology.

Main Methods:

  • The conference serves as a platform for presenting research.
  • Discussions and presentations focus on nuclear magnetic resonance techniques.

Main Results:

  • The XIVth edition reinforced the impact of NMR in structural biology.
  • Latest advances in NMR methodology and applications were showcased.

Conclusions:

  • The conference successfully brought together experts and scientists.
  • The event underscored the growing importance and versatility of NMR in biological research.