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Effects of Extremely Low Frequency Magnetic Field on the Secondary Structures of β-Amyloid and Human Serum Albumin

Received: 28 November 2017    Accepted: 12 December 2017    Published: 10 January 2018
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Abstract

Human serum albumin and β-amyloid were exposed to extremely low frequency (ELF) magnetic field of 1.5 mT intensity and 50 Hz frequency. The effects of exposure were investigated in the mid-infrared region by means of Fourier self-deconvolution spectroscopic analysis. The experimental results suggest that exposure to the ELF magnetic field has reversible effects on the out of phase combination of N–H in plane bending and C–N stretching vibrations of the secondary structures of the two proteins. The exposure of β-amyloid and human serum albumin to ELF magnetic field affected the absorption spectra of the vibration bands by changes in peak positions for the amide II bands and changes of intensities in most of the bands in the amide I and amide II regions. In the fingerprint region, the most sensitive vibrations to the magnetic field are found to be in the (720-600) cm-I range. After removing the magnetic field, it took the vibration bands more than 10 minutes of a gradual change toward returning to their original spectra, obtained before the exposure. It is suggested that hydrogen bonds can alter the frequency of a stretching vibration depending on the increase or decrease of strain on the vibrations.

Published in European Journal of Biophysics (Volume 5, Issue 6)
DOI 10.11648/j.ejb.20170506.11
Page(s) 89-103
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This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

FTIR-Spectroscopy, ELF-Magnetic Field, β-Amyloid, HAS, Protein Dynamics

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Cite This Article
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    Saqer Mohamad Darwish, Husain Rashad Alsamamra, Sawsan Eid Abusharkh, Imtiaz Mohammed Khalid, Rania Abdeljalil Alfaqeh, et al. (2018). Effects of Extremely Low Frequency Magnetic Field on the Secondary Structures of β-Amyloid and Human Serum Albumin. European Journal of Biophysics, 5(6), 89-103. https://doi.org/10.11648/j.ejb.20170506.11

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    ACS Style

    Saqer Mohamad Darwish; Husain Rashad Alsamamra; Sawsan Eid Abusharkh; Imtiaz Mohammed Khalid; Rania Abdeljalil Alfaqeh, et al. Effects of Extremely Low Frequency Magnetic Field on the Secondary Structures of β-Amyloid and Human Serum Albumin. Eur. J. Biophys. 2018, 5(6), 89-103. doi: 10.11648/j.ejb.20170506.11

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    AMA Style

    Saqer Mohamad Darwish, Husain Rashad Alsamamra, Sawsan Eid Abusharkh, Imtiaz Mohammed Khalid, Rania Abdeljalil Alfaqeh, et al. Effects of Extremely Low Frequency Magnetic Field on the Secondary Structures of β-Amyloid and Human Serum Albumin. Eur J Biophys. 2018;5(6):89-103. doi: 10.11648/j.ejb.20170506.11

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  • @article{10.11648/j.ejb.20170506.11,
      author = {Saqer Mohamad Darwish and Husain Rashad Alsamamra and Sawsan Eid Abusharkh and Imtiaz Mohammed Khalid and Rania Abdeljalil Alfaqeh and Musa Mahmoud Abuteir},
      title = {Effects of Extremely Low Frequency Magnetic Field on the Secondary Structures of β-Amyloid and Human Serum Albumin},
      journal = {European Journal of Biophysics},
      volume = {5},
      number = {6},
      pages = {89-103},
      doi = {10.11648/j.ejb.20170506.11},
      url = {https://doi.org/10.11648/j.ejb.20170506.11},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ejb.20170506.11},
      abstract = {Human serum albumin and β-amyloid were exposed to extremely low frequency (ELF) magnetic field of 1.5 mT intensity and 50 Hz frequency. The effects of exposure were investigated in the mid-infrared region by means of Fourier self-deconvolution spectroscopic analysis. The experimental results suggest that exposure to the ELF magnetic field has reversible effects on the out of phase combination of N–H in plane bending and C–N stretching vibrations of the secondary structures of the two proteins. The exposure of β-amyloid and human serum albumin to ELF magnetic field affected the absorption spectra of the vibration bands by changes in peak positions for the amide II bands and changes of intensities in most of the bands in the amide I and amide II regions. In the fingerprint region, the most sensitive vibrations to the magnetic field are found to be in the (720-600) cm-I range. After removing the magnetic field, it took the vibration bands more than 10 minutes of a gradual change toward returning to their original spectra, obtained before the exposure. It is suggested that hydrogen bonds can alter the frequency of a stretching vibration depending on the increase or decrease of strain on the vibrations.},
     year = {2018}
    }
    

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  • TY  - JOUR
    T1  - Effects of Extremely Low Frequency Magnetic Field on the Secondary Structures of β-Amyloid and Human Serum Albumin
    AU  - Saqer Mohamad Darwish
    AU  - Husain Rashad Alsamamra
    AU  - Sawsan Eid Abusharkh
    AU  - Imtiaz Mohammed Khalid
    AU  - Rania Abdeljalil Alfaqeh
    AU  - Musa Mahmoud Abuteir
    Y1  - 2018/01/10
    PY  - 2018
    N1  - https://doi.org/10.11648/j.ejb.20170506.11
    DO  - 10.11648/j.ejb.20170506.11
    T2  - European Journal of Biophysics
    JF  - European Journal of Biophysics
    JO  - European Journal of Biophysics
    SP  - 89
    EP  - 103
    PB  - Science Publishing Group
    SN  - 2329-1737
    UR  - https://doi.org/10.11648/j.ejb.20170506.11
    AB  - Human serum albumin and β-amyloid were exposed to extremely low frequency (ELF) magnetic field of 1.5 mT intensity and 50 Hz frequency. The effects of exposure were investigated in the mid-infrared region by means of Fourier self-deconvolution spectroscopic analysis. The experimental results suggest that exposure to the ELF magnetic field has reversible effects on the out of phase combination of N–H in plane bending and C–N stretching vibrations of the secondary structures of the two proteins. The exposure of β-amyloid and human serum albumin to ELF magnetic field affected the absorption spectra of the vibration bands by changes in peak positions for the amide II bands and changes of intensities in most of the bands in the amide I and amide II regions. In the fingerprint region, the most sensitive vibrations to the magnetic field are found to be in the (720-600) cm-I range. After removing the magnetic field, it took the vibration bands more than 10 minutes of a gradual change toward returning to their original spectra, obtained before the exposure. It is suggested that hydrogen bonds can alter the frequency of a stretching vibration depending on the increase or decrease of strain on the vibrations.
    VL  - 5
    IS  - 6
    ER  - 

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Author Information
  • Physics Department, Al-Quds University, Abu-Dies, Jerusalem, Palestine

  • Physics Department, Al-Quds University, Abu-Dies, Jerusalem, Palestine

  • Physics Department, Al-Quds University, Abu-Dies, Jerusalem, Palestine

  • Chemistry Department, Birzeit University, Birzeit, Palestine

  • Physics Department, Al-Quds University, Abu-Dies, Jerusalem, Palestine

  • Physics Department, Al-Quds University, Abu-Dies, Jerusalem, Palestine

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