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. 2022 Jun 27;20:305. doi: 10.1186/s12951-022-01510-w

Table 1.

Blood half-lives (t1/2) of magnetic iron oxide nanoparticles (MNPs) coated with the different types of molecules following their intravenous injection into mammal models

Core size/hydrodynamic size (nm) Name Coating molecule Model Dose (mg Fe/kg) t1/2 Applications/Investigation Refs.
4-6/NA1 USPIO Dextran Rats 15 2 h MRI of spinal cord [233]
5/30 USPIO sinerem Dextran Rats 11.2 4 h 30 min Tumor MRI [234]
NA/15 Fractionated Feridex Dextran Rabbits 4.8 15.9 h MR imaging for atherosclerosis [235]
NA/50-80 Amino-dextran SPIO-micromod Dextran 20 kDa Mice 4 5-60 min Protein absorption analysis [236]
3-5/60-80 Resovist (SHU 555 C, ferucarbotran) Carboxydextran Rats 5.6 56 ± 17 min Imaging of inflammatory bowel disease [237]
30/30-70 Nanoworms Dextran-PEG2 Mice 3 16–19 h Tumor targeting [67]
7/NA NA Chitosan-chlorotoxin-cy5.5 Mice 6.673 7–8 h Cancer targeting and imaging/NIR fluorescence scanner for half-blood life [24]
70/NA NA Silica + PEG Rats 5.7 2.5 h General MRI [20]
12/NA and 15/NA MF66 and OD15 DMSA4 Pigs 0.5 -2 15 min Breast and pancreatic cancer [238]
NA/46 and 53 PDS1 and PDS8 Dextran-PEG Mice 100 < 1 h NA [239]
NA/29 NA EDT5 Mice 5 6 min Brain targeting [232]
NA/65 NA Dextran Mice 2 150 min Tumor targeting [224]
5-10/194 SPIO-alginate Alginate Rats 6.1212.23 0.25 h0.59 h MR liver imaging [134]
5/15-50 Ferumoxtran-10 (USPIO, AMI-227) Dextran Humans 2.6 > 24 h MRI for detection in lymph nodes [50]
5/62-80 Ferumoxides (SSPIO, AMI-25, SHU 555 A) Dextran/Carboxydextran Humans 1.16 – 11.6 3.9 – 8 min MRI for metastatic lesion detection in liver [48]
10/NA35/NA LUSPIOLSPIO PEGgylated lipid Mice 3.9 1.41 h1.01 h Imaging of oxidation-specific epitopes within the arterial wall [40]
5.6/12 NC100150 Oxidized starch Humans 1, 2 and 5 2-3 h6 Positive-contrastMR angiography [227]
7/74.9 PC SPION Oleic acid/Encapsulation into phosphatidylo-cholinemicelles  Rats 0.15 10 h MRI contrast agents/drug delivery [226]
26/78 LS-008 PMAO7-PEG Rats 5 4.2 h MPI tracer [170]
3.2/116.2 NA PEG-cysteine Rats NA 6.2 h T1-weighted MR imaging [88]
NA/34.1-35.9 IONP-ICG Dextran-ICG8-PEG Mice 55.8 164-197 min Imaging of macrophages in atherosclerotic plaques [228]
NA/50 MNP-VEGF9@Dox10 Albumin-PEG-VEGF@Dox Rats 5 14.6 h Targeted theranostics of breast cancer [89]
9/16 BFNPs Fluorescent carbon Mice 3.333 1.36 h Photothermal therapy for tumor treatment [229]
8-12/30 RGD10-NGR9-USPIO Dextran-RGD10-NGR9-peptides Mice 25 6.2 h MRI of tumor angiogenesis [230]
30-35/94 MNP@PES-Cy7/2-DG Poly(4-styrenesulfona-te)-Cyanine7/2-deoxyglucose-polyethylene glycol Mice NA (0.075 mg NPs per mouse) 1.61–2.07 h1116.2–24.56 h12 Trimodality imaging-guided intracellular photo-magnetic hyperthermia therapy [240]
5/140-23013 Raspberry SPIONs Oleic acid/GCPQ14 Mice 32.5 28.3 min MRI contrast agents [97]
14/40 IONP@PMSEA15 Oleic acid/PMSEA Rats 10 5.15 h Potential delivery agents for therapeutics and diagnostics [94]
11/22 Fe3O4-PEG-5Ab16 PEG-5Ab Mice 10 6.96 h Targeted imaging and enhanced treatment of NHL17 [241]
NA/64 MCP18-PEG10K PEG 10 kDa Rats 2.795.59 1.8 min5.2 min MPI tracers [80]
NA/84.1 MCP-PEG10K2 PEG 10 kDa (double layer) Rats 2.79 62.1 min MPI tracers [80]
20.7-22.6/54-76 RL-1 PEG-silane Mice 6.673 6.99 h MPI tracers [231]
10/154 PEG-starch-IONPS PEG-starch Mice 12 2.7 h Photothermal therapy (PTT) agents [84]
13/178 PTX19@FA20@PEG/PEI21-SPIONs PTX-FA-PEG/PEI Rats NA 3.41 h PTX delivery system [85]

1NA – not available; 2PEG- polyethylene glycol; 3assuming that each mouse weighed 30 g; 4– dimercaptosuccinid acid, 5– ethylenediaminetriacetate, 6- depending on the dose, 7- poly(maleic anhydride-alt-1-octadecene), 8- indocyanine green, 9- vascular endothelial growth factor, 10- doxorubicin, 11- distribution phase, 12- elimination phase, 13- 5 nm SPIONs clustered into larger raspberry shape, 14- N-palmitoyl-N-monomethyl-N,N-dimethyl-N,N,N-trimethyl-6-O-glycolchitosan, 15- poly[2-(methylsulfinyl)ethyl acrylate], 16- RTX(rituximab)antibodies, 17- non-Hodgkin lymphoma, 18- magnetic multicore particles, 19- paclitaxel, 20- folic acid, 21- poly(ethyleneimine)