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5 Results Found

  • Article
  • Open Access
6 Citations
2,916 Views
18 Pages

Synthesis of Sterically Shielded Nitroxides Using the Reaction of Nitrones with Alkynylmagnesium Bromides

  • Sergey A. Dobrynin,
  • Mark M. Gulman,
  • Denis A. Morozov,
  • Irina F. Zhurko,
  • Andrey I. Taratayko,
  • Yulia S. Sotnikova,
  • Yurii I. Glazachev,
  • Yuri V. Gatilov and
  • Igor A. Kirilyuk

7 November 2022

Sterically shielded nitroxides, which demonstrate high resistance to bioreduction, are the spin labels of choice for structural studies inside living cells using pulsed EPR and functional MRI and EPRI in vivo. To prepare new sterically shielded nitro...

  • Article
  • Open Access
3 Citations
2,003 Views
24 Pages

Synthesis and Properties of (1R(S),5R(S),7R(S),8R(S))-1,8-Bis(hydroxymethyl)-6-azadispiro[4.1.4.2]tridecane-6-oxyl: Reduction-Resistant Spin Labels with High Spin Relaxation Times

  • Yulia V. Khoroshunova,
  • Denis A. Morozov,
  • Danil A. Kuznetsov,
  • Tatyana V. Rybalova,
  • Yurii I. Glazachev,
  • Elena G. Bagryanskaya and
  • Igor A. Kirilyuk

Site-directed spin labeling followed by investigation using Electron Paramagnetic Resonance spectroscopy is a rapidly expanding powerful biophysical technique to study structure, local dynamics and functions of biomolecules using pulsed EPR technique...

  • Article
  • Open Access
17 Citations
3,867 Views
18 Pages

A Simple Method of Synthesis of 3-Carboxy-2,2,5,5-Tetraethylpyrrolidine-1-oxyl and Preparation of Reduction-Resistant Spin Labels and Probes of Pyrrolidine Series

  • Sergey A. Dobrynin,
  • Mikhail S. Usatov,
  • Irina F. Zhurko,
  • Denis A. Morozov,
  • Yuliya F. Polienko,
  • Yurii I. Glazachev,
  • Dmitriy A. Parkhomenko,
  • Mikhail A. Tyumentsev,
  • Yuri V. Gatilov and
  • Igor A. Kirilyuk
  • + 2 authors

23 September 2021

Stable free radicals are widely used as molecular probes and labels in various biophysical and biomedical research applications of magnetic resonance spectroscopy and imaging. Among these radicals, sterically shielded nitroxides of pyrrolidine series...

  • Review
  • Open Access
62 Citations
13,662 Views
28 Pages

New Developments in Spin Labels for Pulsed Dipolar EPR

  • Alistair J. Fielding,
  • Maria Grazia Concilio,
  • Graham Heaven and
  • Michael A. Hollas

23 October 2014

Spin labelling is a chemical technique that enables the integration of a molecule containing an unpaired electron into another framework for study. Given the need to understand the structure, dynamics, and conformational changes of biomacromolecules,...

  • Article
  • Open Access
38 Citations
7,283 Views
13 Pages

Stability of ZIF-8 Nanoparticles in Most Common Cell Culture Media

  • Anna S. Spitsyna,
  • Artem S. Poryvaev,
  • Natalya E. Sannikova,
  • Anastasiya A. Yazikova,
  • Igor A. Kirilyuk,
  • Sergey A. Dobrynin,
  • Olga A. Chinak,
  • Matvey V. Fedin and
  • Olesya A. Krumkacheva

Zeolite imidazolate framework-8 (ZIF-8) is a promising platform for drug delivery, and information regarding the stability of ZIF-8 nanoparticles in cell culture media is essential for proper interpretation of in vitro experimental results. In this w...