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Antibiotic amphotericin B–DPPC lipid complex: X-ray diffraction and FTIR studies

Journal of Molecular Structure, ISSN: 0022-2860, Vol: 1080, Page: 57-62
2015
  • 10
    Citations
  • 0
    Usage
  • 19
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    10
    • Citation Indexes
      10
  • Captures
    19

Article Description

In this work, we studied the formation of a complex between the polyene antibiotic amphotericin B (AmB) and dipalmitoylphosphatidylcholine (DPPC) lipid multibilayers by means of X-ray diffraction and FTIR spectroscopy. The complex formation can be detected in multibilayers by characteristic reflection around 2.2 Å −1. The FTIR spectra indicate that in this case AmB lowers the main phase transition of DPPC. Additionally, with an increase in temperature, a shift of AmB towards the hydrophilic part of the DPPC bilayer is observed. For the first time, such complex formation has been observed by X-ray diffraction and discussed.

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