Table 3

QD delivery systems
Authors Delivery system of QD Use
Jia et al. [142] Multiwalled carbon nanotube (MWNT) delivery system MWNTs are containing antisense oligodeoxynucleotides and CdTe QDs via electrostatically layer-by-layer assembling.
Chen et al. [143], Xue et al. [144], Delehanty et al. [145], Ruan et al. [146], Wei et al.[147] Tat peptide-mediated delivery system QDs conjugated to the cell-penetrating peptide derived from the human immunodeficiency virus-1 transactivator protein
Lagerholm et al. [148] Peptide delivery system Nine residue biotinylated l-arginine peptide is used to enhance delivery of streptavidin-conjugated QDs into mammalian cells.
Bagalkot et al. [149] A10 RNA aptamer Functionalizes the surface of QD with the A10 RNA aptamer, which recognizes the extracellular domain of the prostate specific membrane antigen
Bakalova et al. [150] Silica-shelled quantum dots Based on silica-shelled single QD micelles with incorporated paramagnetic substances [tris(2,2,6,6-tetramethyl-3,5-heptanedionate)/gadolinium] into the micelle and/or silica coat
Yum et al. [151] Nanoscale mechanochemical method Using a membrane-penetrating nanoneedle
Yuan et al. [152] Chitosan (N-acetylglucosamine) tumor-targeted drug delivery QDs encapsulated with chitosan
Hasegawa et al. [48] Nanogel-QD hybrid Nanogels of CHPNH 2 with 15 amino groups per 100 glucose units and QDs that were conjugated with protein A molecules were mixed.
Dixit et al. [141] Viral vectors QDs encapsulation in viral capsids
Zhang and Liu [153] Nonviral vectors Cappingthe surface of ZnO QD with poly(2-(dimethylamino) ethyl methacrylate)
Jablonski et al. [154] Cationic peptide and a hydrophobic counterion Quantum dots have been delivered to the cytosol of living cells using a combination of a cationic peptide, polyarginine, and a hydrophobic counterion, pyrenebutyrate.
Qi and Gau [155] QD-amphipol nanocomplex Advantages include cytoplasm delivery and endosome escape.
Gao et al. [109] Polymeric delivery system The structural design involves encapsulating QDs with an ABC triblock copolymer and linking this amphiphilic polymer.
Duan and Nie [77] Polymeric delivery system QDs were encapsulated by PEI-g-PEG.

Valizadeh et al.

Valizadeh et al. Nanoscale Research Letters 2012 7:480   doi:10.1186/1556-276X-7-480

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