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The objectives of these studies were to investigate and compare solid lipid nanoparticles (SLNs) of two anthracyclines, idarubicin (IDA) and doxorubicin (DOX), against Pgp-mediated multiple drug resistance (MDR) in-vitro and in-vivo using different human and murine cancer cell models. IDA and DOX SLNs were developed from warm microemulsion precursors(More)
Multidrug resistance (MDR) is a major impediment to the success of cancer chemotherapy. P-glycoprotein is an important and the best-known membrane transporter involved in MDR. Several strategies have been used to address MDR, especially P-glycoprotein-mediated drug resistance in tumors. However, clinical success has been limited, largely due to issues(More)
To test the ability of nanoparticle formulations to overcome P-glycoprotein (P-gp)-mediated multidrug resistance, several different doxorubicin and paclitaxel-loaded lipid nanoparticles were prepared. Doxorubicin nanoparticles showed 6- to 8-fold lower IC(50) values in P-gp-overexpressing human cancer cells than those of free doxorubicin. The IC(50) value(More)
The objective of these studies was to develop Cremophor-free lipid-based paclitaxel (PX) nanoparticle formulations prepared from warm microemulsion precursors. To identify and optimize new nanoparticles, experimental design was performed combining Taguchi array and sequential simplex optimization. The combination of Taguchi array and sequential simplex(More)
The aim of this study was to develop a nanotechnology to formulate a fixed-dose combination of poorly water-soluble drugs in a children-friendly, flexible solid dosage form. For diseases like HIV, pediatric patients are taking multiple drugs for effective treatments. Fixed-dose combinations could reduce pill burdens and costs as well as improving patient(More)
LCL filter has the characteristic of prompt attenuation over the high-frequency range, but the thirdorder control system exits the resonance problem. Nonetheless, the inherent non-linear characteristic and dead-time effects of switching tubes, along with the DC-side voltage secondary pulsation and grid harmonic pollution, arouse a wealth of low-order(More)
Nerve Growth Factor (NGF) is one of the members of the neurotrophin family with multifaceted functions. However, clinical application of NGF is hurdled by the challenge on formulation development. The objective of this study was to develop novel high-density lipoproteins (HDL)-mimicking nanoparticles (NPs) coated with α-tocopherol to incorporate NGF by a(More)
A precise method for modifying the birefringence of stress-induced high-birefringence (Hi-Bi) fiber is demonstrated by side polishing a Panda-type fiber with a maximum polished length of at least 14 cm. The polishing depth is controlled with an accuracy of 0.1 microm by piezoelectric ceramic microdisplacement. The accuracy of the birefringence is of the(More)
The objective of this article is to introduce preparation and characterization methods for nerve growth factor (NGF)-loaded, high-density, lipoprotein (HDL)-mimicking nanoparticles (NPs). HDLs are endogenous NPs and have been explored as vehicles for the delivery of therapeutic agents. Various methods have been developed to prepare HDL-mimicking NPs.(More)