نتایج جستجو برای: lipid nanoparticles
تعداد نتایج: 264877 فیلتر نتایج به سال:
A series of polyethylenimines-coated poly(d,l-lactide-co-glycolide)/lipid nanoparticles (PPLs) were fabricated for delivering paclitaxel via a simple nano-precipitation method. Four kinds of polyethylenimines (PEIs) (800 Da-, 2000 Da- and 25 kDa-branched PEIs, and 25 kDa-linear PEI) were selected as a polymeric coating for the nanoparticles. The PPLs were evaluated for their cytotoxic effects t...
Particles generated from numerous anthropogenic and/or natural sources, such as crystalline α-Fe₂O₃ nanoparticles, have the potential to damage lung cells. In our study we investigated the effects of these nanoparticles (12.5 µg/ml) on lipid peroxidation and the antioxidative system in MRC-5 lung fibroblast cells following exposure for 24, 48 or 72h. Exposure to α-Fe₂O₃ nanoparticles increased ...
New lipid-like nanomaterials are developed to simultaneously regulate expression of multiple genes. Self-assembled nanoparticles are capable of efficiently encapsulating pDNA and siRNA. These nanoparticles are shown to induce simultaneous gene expression and silencing both in vitro and in vivo.
Spontaneous formation of heterogeneous patches on the surface of lipid-based nanoparticles (NPs) and microparticles (MPs) due to the segregation of two different functional groups. Patch formation is observed when tracing the functional groups with quantum dots, gold nanoparticles, and fluorescent dyes. This discovery could have important implications for the future design of self-assembled NPs...
Rationally designed siRNA delivery materials that are enabled by lipid-modified aminoglycosides are demonstrated. Leading materials identified are able to self-assemble with siRNA into well-defined nanoparticles and induce efficient gene knockdown both in vitro and in vivo. Histology studies and liver function tests reveal that no apparent toxicity is caused by these nanoparticles at doses over...
Transdermal patches loaded with Solid Lipid Nanoparticles has been used as a suitable dosage to maintain the blood glucose level in diabetic patients. Repaglinide was taken as model antidiabetic drug get incorporated in Solid lipid Nanoparticles (SLNs) by a hot homogenization method using cephalin and lecithin as lipids and Tween 80 as stabilizer. The prepared nanoparticles evaluated for partic...
Retinitis pigmentosa (RP) is a genetic disease causing progressive apoptotic death of photoreceptors and, ultimately, incurable blindness. Using the retinal degeneration 10 (rd10) mouse model of RP, we investigated the role of ceramide, a proapoptotic sphingolipid, in retinal degeneration. We also tested the possibility that photoreceptor loss can be slowed or blocked by interfering with the ce...
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