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  Assembly, characterization, and delivery of quantum dot labeled biotinylated lipid particles.

Sigot, V. (2014). Assembly, characterization, and delivery of quantum dot labeled biotinylated lipid particles. In A. Fontes, & B. S. Santos (Eds.), Quantum dots: Applications in biology (pp. 113-127). New York, N.Y.: Springer. doi:10.1007/978-1-4939-1280-3_9.

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 Urheber:
Sigot, V.1, Autor           
Affiliations:
1Department of Molecular Biology, MPI for biophysical chemistry, Max Planck Society, ou_578628              

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Schlagwörter: Biotinylated lipid particles; Quantum dots; Epidermal growth factor; Targeted delivery; Detergent dialysis; Confocal fluorescence microscopy
 Zusammenfassung: Lipid nanoparticles composed of mixtures of PEGylated-lipids; cationic and neutral lipids prepared by detergent dialysis can encapsulate biological active molecules and show considerable potential as systemic therapeutic agents. Addition of biotinylated lipids to this formulation allows surface modification of these particles with a suitable ligand or probe conjugated to streptavidin for specific cell targeting. Monitoring long circulating particles and cellular uptake requires stable and bright fluorescent probes. Quantum dots (QDs) constitute a relatively new class of fluorescent probes that overcome the limitations of organic fluorophores in biological imaging applications. Here, a protocol for the encapsulation of QD655 (red) in biotinylated lipid particles (BLPs) prepared by a detergent dialysis technique is presented followed by characterization of the loaded liposomal vehicles. Then, a protocol for BLPs surface modification via biotin-streptavidin linkage with preformed complexes of ligand-QD525 (green) for specific cell targeting of the nanoparticle is detailed. Conditions for cell binding and uptake of two colors QD labeled BLPs as well as basic microscopic settings for confocal live cell imaging are described.

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Sprache(n): eng - English
 Datum: 2014-07-182014
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1007/978-1-4939-1280-3_9
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Quelle 1

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Titel: Quantum dots: Applications in biology
Genre der Quelle: Buch
 Urheber:
Fontes, A., Herausgeber
Santos, B. S., Herausgeber
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Ort, Verlag, Ausgabe: New York, N.Y. : Springer
Seiten: - Band / Heft: - Artikelnummer: - Start- / Endseite: 113 - 127 Identifikator: ISBN: 978-1-4939-1279-7

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Titel: Methods in Molecular Biology
Genre der Quelle: Reihe
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Ort, Verlag, Ausgabe: -
Seiten: - Band / Heft: 1199 Artikelnummer: - Start- / Endseite: - Identifikator: -