نتایج جستجو برای: plga

تعداد نتایج: 3610  

2017
Zhipeng Wang Jiao Tan Christopher McConville Vinodh Kannappan Patricia Erebi Tawari James Brown Jin Ding Angel L. Armesilla Juan M. Irache Qi-Bing Mei Yuhuan Tan Ying Liu Wenguo Jiang Xiu-Wu Bian Weiguang Wang

Disulfiram (DS), an anti-alcoholism drug, shows very strong cytotoxicity in many cancer types. However its clinical application in cancer treatment is limited by the very short half-life in the bloodstream. In this study, we developed a poly lactic-co-glycolic acid (PLGA)-encapsulated DS protecting DS from the degradation in the bloodstream. The newly developed DS-PLGA was characterized. The DS...

2017
Shengbing Yang Xiuguo Han Yuhang Jia Hongbo Zhang Tingting Tang

A novel poly(lactic-co-glycolic acid) (PLGA)-hydroxypropyltrimethyl ammonium chloride chitosan (HACC) composite nanofiber wound dressing was prepared through electrospinning and the entrapment-graft technique as an antibacterial dressing for cutaneous wound healing. HACC with 30% degrees of substitution (DS) was immobilized onto the surface of PLGA membranes via the reaction between carboxyl gr...

Journal: :Molecules 2015
Pedro Pires Goulart Guimarães Sheila Rodrigues Oliveira Gabrielle de Castro Rodrigues Savio Morato Lacerda Gontijo Ivana Silva Lula Maria Esperanza Cortés Ângelo Márcio Leite Denadai Rubén Dario Sinisterra

The aim of this work was to synthesize sulfadiazine-poly(lactide-co-glycolide) (SUL-PLGA) nanoparticles (NPs) for the efficient delivery of 5-fluorouracil to cancer cells. The SUL-PLGA conjugation was assessed using FTIR, 1H-NMR, 13C-NMR, elemental analysis and TG and DTA analysis. The SUL-PLGA NPs were characterized using transmission and scanning electron microscopy and dynamic light scatteri...

Journal: :Processes 2022

Olaparib (OLP) is an orally active poly (ADP-ribose) polymerase enzyme inhibitor, approved for treatment the metastatic stage of prostate, pancreatic, breast and ovarian cancer. Due to its low bioavailability, increase in dose frequency required achieve therapeutic benefits, which also results associated toxicity patients. In current study, OLP-loaded (d,l-lactide-co-glycolide) (PLGA) nanoparti...

2005
M Higaki T Ishihara N Izumo M Takatsu Y Mizushima

Objective: To examine the therapeutic activity of hydrophilic glucocorticoid encapsulated in PLGA nanoparticles, which have shown slow release and are targeted to inflamed joints after intravenous administration, in experimental arthritis models. Methods: Betamethasone sodium phosphate (BSP) encapsulated in PLGA nanoparticles with a size of 100–200 nm (PLGA-nanosteroid) was prepared using a mod...

2009
M. K. Nkansah D. Thakral E. M. Shapiro

in MCF-7 human cancer cell line using magneic PLGA nanoparticles, dextran coated particles and empty PLGA nanoparticles.. Figure 1: Scanning electron microscopy (SEM) of nanoparticles with TEM inset showing distribution of magnetite cores. A) PLGA nanoparticles; B) PLGA microparticles; C) Cellulose nanoparticles. Particles are uniform in size, spherical and have high amounts of encapsulated mag...

Journal: :Stroke 2012
Han Chen Frédéric Spagnoli Michael Burris William B Rolland Adriel Fajilan Huanyu Dou Jiping Tang John H Zhang

BACKGROUND AND PURPOSE Erythropoietin (EPO) has been demonstrated to possess significant neuroprotective effects in stroke. We determined if the nano-drug form of human recombinant EPO (PLGA-EPO nanoparticles [PLGA-EPO-NP]) can enhance neuroprotection at lower dosages versus human recombinant EPO (r-EPO). METHODS Established neonatal rat model of unilateral ischemic stroke was used to compare...

Journal: :European journal of pharmacology 2010
Xun Qi Yasuo Okamoto Tomomi Murakawa Fei Wang Osamu Oyama Ryunosuke Ohkawa Kazuaki Yoshioka Wa Du Naotoshi Sugimoto Yutaka Yatomi Noriko Takuwa Yoh Takuwa

Therapeutic angiogenesis is a promising strategy for treating ischemia. The lysophospholipid mediator sphingosine-1-phosphate (S1P) acts on vascular endothelial cells to stimulate migration and tube formation, and plays the critical role in developmental angiogenesis. We developed poly(lactic-co-glycolic-acid) (PLGA)-based S1P-containing microparticles (PLGA-S1P), which are biodegradable and co...

Journal: :Materials advances 2022

Collagen meshes with large or small openings were prepared after selective removal of PLGA mesh from PLGA–collagen composite collagen-coated mesh. The collagen support human skin fibroblast adhesion and promote cell proliferation.

2015
A. Petrizzo C. Conte M. Tagliamonte M. Napolitano K. Bifulco V. Carriero A. De Stradis M. L. Tornesello F. M. Buonaguro F. Quaglia L. Buonaguro

BACKGROUND Peptide based vaccines may suffer from limited stability and inefficient delivery to professional antigen-presenting cells (APCs), such as dendritic cells (DCs). In order to overcome such limitations, several types of biodegradable nanoparticles (NPs) have been developed as carrier system for antigens. The present study describes for the first time the extensive biological characteri...

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