Journal
NANOMATERIALS
Volume 13, Issue 4, Pages -Publisher
MDPI
DOI: 10.3390/nano13040699
Keywords
liposome; Raman spectroscopy; drug delivery; neurological disorders; therapeutics; multivariate analysis
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Raman Spectroscopy (RS) is proposed as a valuable tool for characterizing liposomes (LPs) and evaluating their effectiveness and safety in treating neuroinflammation and microglial dysfunctions in Glioblastoma multiforme and Alzheimer's disease. The Raman spectra of different LP components contribute to the overall LP Raman fingerprint, making it possible to differentiate LPs with different functionalization patterns. Raman data analysis allows for the evaluation of LP synthesis efficacy using small sample amounts.
The characterization of nanoparticle-based drug-delivery systems represents a crucial step in achieving a comprehensive overview of their physical, chemical, and biological features and evaluating their efficacy and safety in biological systems. We propose Raman Spectroscopy (RS) for the characterization of liposomes (LPs) to be tested for the control of neuroinflammation and microglial dysfunctions in Glioblastoma multiforme and Alzheimer's disease. Drug-loaded LPs were functionalized to cross the blood-brain barrier and to guarantee localized and controlled drug release. The Raman spectra of each LP component were used to evaluate their contribution in the LP Raman fingerprint. Raman data analysis made it possible to statistically discriminate LPs with different functionalization patterns, showing that each molecular component has an influence in the Raman spectrum of the final LP formulation. Moreover, CLS analysis on Raman data revealed a good level of synthetic reproducibility of the formulations and confirmed their stability within one month from their synthesis, demonstrating the ability of the technique to evaluate the efficacy of LP synthesis using small amount of sample. RS represents a valuable tool for a fast, sensitive and label free biochemical characterization of LPs that could be used for quality control of nanoparticle-based therapeutics.
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