Journal Highlight: Membrane composition of jetted lipid vesicles: a Raman spectroscopy study

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  • Published: Jan 9, 2012
  • Channels: Raman
thumbnail image: Journal Highlight: Membrane composition of jetted lipid vesicles: a Raman spectroscopy study

Membrane composition of jetted lipid vesicles: a Raman spectroscopy study

Journal of Biophotonics, 2012, 5, 40-46
Silke R. Kirchner, Alexander Ohlinger, Tom Pfeiffer, Alexander S. Urban, Fernando D. Stefani, Andras Deak, Andrey A. Lutich, Jochen Feldmann

Abstract: Microfluidic jetting is a promising method to produce giant unilamellar phospholipid vesicles for mimicking living cells in biomedical studies. We have investigated the chemical composition of membranes of vesicles prepared using this approach by means of Raman scattering spectroscopy. The membranes of all jetted vesicles are found to contain residuals of the organic solvent decane used in the preparation of the initial planar membrane. The decane inclusions are randomly distributed over the vesicle surface area and vary in thickness from a few to several tens of nanometers. Our findings point out that the membrane properties of jetted vesicles may differ considerably from those of vesicles prepared by other methods and from those of living cells.

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 The chemical composition of membranes of giant unilamellar phospholipid vesicles prepared by microfluidic jetting was determined using Raman scattering spectroscopy, revealing differences from membranes prepared by other methods

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