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. 2021 Mar 11;11(3):358. doi: 10.3390/brainsci11030358

Table 1.

Different kind of polymer shell using to coat SPIONs. A: core size with shell (Transmission Electron Microscopy), B: hydrodynamic size with shell (Dynamic Light Scattering), An: naked core size, Bn: naked hydrodynamic size.

Shell Composition Size (nm) Experimental Model Drugs, Agent
Polyethylene-glycol (PEG) [18,40,47,50,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72] 4–101.6 (A)
8–1000 (B)
7.5–2-10.3 (An)
22 (Bn)
In vitro
In vivo (rat, mouse)
Methotrexate, Transferrin, Anti- Transferin receptor ab, Bacterial nanocellulose, anti-IL-1beta-mab, nutlin-3a, Cisplatin, anti-Ape1 siRNA, Temozolomine, anti-nestin ab, Rituximab, Doxorubicin, folic acid, Indocyanine green, O6-benzylguanine, Chlorotoxin-RNAi, Transactivating-transduction protein
Polyethylenimine (PEI) [40,56,57,58,59,73,74] 4–10.3 (A),
11.6–186.5 (B)
10 (An)
In vitro
In vivo (rat)
Complementary DNA, Paclitaxel, Bacterial nanocellulose, anti-Ape1 siRNA, Chlorotoxin-RNAi
Poly(lactide-co-glycolide), (PLGA) [43,46,63,74,75,76,77,78,79] 8.4–178.6 (A) 71.8–482.8 (B)
11.5–84.4 (An)
36.8 (Bn)
In vitro
In vivo (guinea pig, mouse, rat)
Methotrexate, Paclitaxel, Adipose-derived stem cells, Temozolomide, Doxorubicin, anti-Nestin ab, Transferrin, polysorbate-80, 5-iodo-2-deoxyuridine, Paclitaxel
Polyvinyl alcohols, PVA [80,81,82] 8–12 (A)
30–99.3 (B)
5–10 (An)
In vitro
In vivo (mouse)
No
Aniline-co-N-(1-one-butyric acid) aniline (SPAnH) [83] - In vitro
In vivo (rat)
1,3-bis(2-chloroethyl)-1-nitrosourea
Poly(γ-glutamic acid-co-distearyl γ-glutamate) [76] 106.5 (A)
110 (B)
In vitro
In vivo (mouse)
Paclitaxel, Adipose-derived stem cells
Polybutulcyanoacrylate, PBCA [84] 124.5–148.7 (A) In vitro Brain-derived neurotrophic factor
Poly-L-lysine [85] 443.4 (B) In vitro No
Poly-(dimethylamine-co-epichlorhydrin-co-ethylendiamine), PEA [86] 10 (A)
47.5 (B)
In vitro No
Chitosan [36,40,59,68,87] 4–6 (A),
40–300 (B),
6–10 (An)
In vitro
In vivo (mouse, zebrafish, rat)
anti-Ape1 siRNA, Prednisolone, Chlorotoxin-RNAi, O6-benzylguanine
Dextran, Carboxydextran [80,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104] 4–130 (A),
23–150 (B)
4.7–10 (An)
144.2–181.2 (Bn)
In vitro
In vivo (mouse, zebrafish, rat)
Routine clinical use
Quercetin, Transferrin, lipolysaccharide, Folate-Paclitaxel, Rhodamine 123, Epirubicin, cmHsp70.1 mab, recombinant Interleukin-1 receptor antagonist, Doxorubicin, Monocyte-derived-macrophage, Cyclic pentapeptide c -chlorotoxin