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. 2019 Nov 15;9(11):1623. doi: 10.3390/nano9111623

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© 2019 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Raman spectra of dioleoyloxi-3-trimethylammonium-propane chloride (DOTAP) lipids (green spectrum), soybean phosphatidyl-choline (SPC) lipids (blue spectrum), and DOTAP/SPC liposomes (magenta spectrum).