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. 2021 Mar 27;13(7):1051. doi: 10.3390/polym13071051

Table 1.

Comparison between different types of nanoparticles used in Alzheimer’s disease treatment.

Classification Name Function and Merits Average Diameter in nm References
Polymeric nanoparticles DGLs-PEG-RVG29-D-peptide/DNA NPs It provides numerous reaction locations and good drug loading charges. Successful codelivery of blood-brain barrier-crossing drugs through brain-oriented ligand modifications was shown in vitro and in vivo. 97 [14]
Drug-loaded PLGA nanoparticles In transgenic AD mice, spatial memory and recognition were significantly improved 128.6 [32]
PLGA@QT NPs Low cytotoxicity when tested in vitro on SH-SY5Y cells Between 100 and 150 [40]
PGZ-NPs The carriers received PGZ, which promoted 50 × higher brain endothelium absorption than free drugs and displayed a delayed in vitro release profile of PGZ. 155.0 ± 1.8 [33]
Anti-A mAb-conjugated liposomes Stable in serum protein incubation and in a position to bind to A in vitro monomers and fibrils Between 124 and 134 [16]
Poly(acrylic acid)-coated NPs Abrogated Aβ aggregation at a sub-stoichiometric ratio of 1:2,000,000 8 and 18 [17]
− PLGA NPs
− PLGA NPs with OX26 mAb
− PLGA NPs with OX26 mAb and DE2B4 mAb
The intake of immune nanoparticles with controlled peptide iA5 delivery without monoclonal antibody function was significantly increased. 153 ± 2
163 ± 3
166 ± 2
[35]
PiB-MZF It is stable, biocompatible. The relaxing rate of PiB-R2 MZF was 169.93 mM−1S−1, which showed great superparamagnetism as the negative T2 contrast agent. PiB-MZF also showed no cytotoxicity in two cell lines. 100 [43]
NP(α−M) Improving brain clearance in an LDLR-dependent way of 125I-radiolabeled Aβ1–42, reduction in Aβ deposition and reduced neuroinflammatory reactions. 94.26 ± 4.54 [20]
Eu/GMP ICP Has a self-adaptive property and rationally designing the competitive coordination interaction of Cu2þ between the guest CDs and Ab monomer. From 40 to 50 [22]
Se−Cur/PLGA Cur-loaded Se-PLGA nanosphere drug delivery system will decrease the amyloid-β load in the brain samples of AD mice and healed the model mice’s memory deficit substantially. 160 ± 5 [37]
CdS The biologically synthesized PC-metal nanoparticles, in particular iron oxide, do not impact neuroblastoma cells’ viability. 50–60 [24]
DBP-PLGA Significantly inhibited Aβ aggregation in vitro. Moreover, intravenous injection of DBP-PLGA nanoparticles significantly attenuated the Aβ accumulation, neuroinflammation, neuronal loss and cognitive dysfunction in the 5XFAD mice. 226.6 ± 44.4 nm [36]
MEM–PEG–PLGA Non-cytotoxic brain cell lines. Memantine adopted a slower release profile of NPs into the free medicine solution, minimizing the in vivo drug control frequency. 200 [38]
PLGA-PEG-B6 Could tremendously improve the spatial learning and memory capability of APP/PS1 mice, compared with native Cur Less 100 [42]
Anti-Aβ1-42-NPs Full memory defect correction; substantial decrease of the Aβ-soluble peptide and its brain oligomer level and significant increase of plasma Aβ levels. 182 [20]
MoS2 QDs
and TPP-MoS2 QDs
Exhibit a complete bifunctional nanozyme activity that prevents spontaneous neuroinflammation. 30 and 50 [30]
Lipid nanoparticles S80−, PS−, and PA-functionalized SLNs Could ameliorate the cognition impairment of rats more effectively than the conventional administration of nicotinamide. 112 ± 1.6, 124 ± 0.8, and 137 ± 1.05 [65]
CN-SLNs CN can be achieved therapeutically at lower doses and its oral bioavailability enhanced by encapsulating CN in SLNs. 240.0 ± 4.79 [67]
TFB-SLNs The therapeutic level of TFB could be transferred directly to the brain via the olfactory pathway, following the intranasal administration of polymers and lipid nanoparticles. 200 [68]
SLN and NLC NLC permeate more the blood–brain barrier, while amyloid-beta studies demonstrated NLC-transferrin has the capacity to inhibit fibril formation. Lower than 250 [39]
EPO-SLN High potential for drug encapsulation and improved anti-colon cell efficacy 219.9 ± 15.6 [69]
NR
C
NRb
Cb
The positive charge of the coating formula ensured that particles were mucoadhesive and that they were prolonged in the nasal cavity. 335.76 ± 34.81
358.44 ± 25.89
419.47 ± 24.36
469.71 ± 49.07
[47]
Span 60 and cholesterol Used to solve the problem of the extensive rapid metabolism of rivastigmine. 100.7 [48]
Solid lipid nanoparticles (SLN) Their efficacy, user-friendliness, versatility and intellectual property opportunities through innovating drug delivery in particular for drug release shift systems 222 ± 21 to 414 ± 11 [71]
APOE-DONSLN ApoE, which binds BBB receptors, can be used to successfully target solid lipid nanoparticles 147.5 ± 0.8 [50]
NLC Low toxicity and toxicity against the cell line SH-SY5Y Below 200 [75]
RHT-SLNs Improve the delivery of RHT brain targeting by producing and optimizing RHT-SLNs 15.6 [72]
Lipid polymer hybrid NPs Efficient, fast penetration into healthy albino rats of the bio-inspired surface-modified NPs 111.6 ± 11.4 [51]
SLN and PLGA NPs No toxicity, changes in body weight or clinical symptoms of the disease were found 200 [52]
RT-loaded SLN Zeta potential value of−10 mV was found, polydispersion index was found in the 0.3–0.6 range. 214 [73]
RT loaded PLGA-Soya lecithin-Tween-80 Therapeutic prospect to treat AD and potential carrier for providing sustained brain delivery of RT 171.74 [34]
Curcumin and meloxicam-loaded lipid-core nanocapsules (LNC) No toxicity in relation to the parameters determined of all LNC evaluated in mice 424 nm (curcumin) and 365 nm (meloxicam) [61]
POPC: POPG 3:1 Characterization of simultaneous size and zeta potential in individual capillary nanoparticles and particle mixtures under physiological salinities. 76 ± 3 [58]
Gold nanoparticles AuNPs High functionality and high active area are used to improve the catalytic activity of captured AuNPs electrocatalytic tags. 20 [84]
Chiral l− and d−glutathione (GSH) stabilized Au NPs Can inhibit Aβ42 aggregation and cross BBB after intravenous administration without substantial toxicity. 3.3 [85]
D−/L−Pe−Au Major decrease in the cell index, indicating that cytotoxic effects on PC12 cells depend on concentration. 7 [93]
GNPs Therapeutic ability of GNPs with behavioral and oxidative stress parameters in GNP-treated mice 20 [98]
GNPs Clinical potential may suppress CNS inflammation and oxidative stress, alleviating secondary neurodegenerative processes and reserpine-induced neuronal cell death. 20 [99]
Pro-AuNPs nbbAuNPs HEWL fibrillation greatly reduced with proline and pro-AuNP coincubation, and two slightly different intermediate species were produced with these two systems as CD spectroscopy predicts. 529 nm and 523 nm [100]
PEG-coated AuNPs PEG-coated gold anthocyanins nanoparticles may be a new therapeutic agent for neurodegenerative diseases 135 ± 5 [102]
Citrate-based AuNPs AuNPs SPR band intensity is susceptible to Aβ40 amyloids. This helps SPR test detect and semi-quantify Aβ40 amyloids and describe the kinetics of Aβ amyloid formation. 23 [107]