نتایج جستجو برای: plga

تعداد نتایج: 3610  

2016
Shu He Kai-Feng Lin Jun-Jun Fan Gang Hu Xin Dong Yi-Nan Zhao Yue Song Zhong-Shang Guo Long Bi Jian Liu

A microsphere composite made of poly(DL-lactic-co-glycolic acid) (PLGA), mesoporous silica nanoparticle (MSN), and nanohydroxyapatite (nHA) (PLGA-MSN/nHA) was prepared and evaluated as bone tissue engineering materials. The objective of this study was to investigate the synergistic effect of MSN/nHA on biocompatibility as well as its potential ability for bone formation. First, we found that th...

2016
Xun Yuan Wenxiang Ji Si Chen Yuling Bao Songwei Tan Shun Lu Kongming Wu Qian Chu

Drug resistance has become a main obstacle for the effective treatment of lung cancer. To address this problem, a novel biocompatible nanoscale package, poly(d,l-lactide-co-glycolide)-Tween 80, was designed and synthesized to overcome paclitaxel (PTX) resistance in a PTX-resistant human lung cancer cell line. The poly(d,l-lactide-co-glycolide) (PLGA)-Tween 80 nanoparticles (NPs) could efficient...

2015
Xiaojie Wang Lei Shi Qingfeng Tu Hongwei Wang Haiyan Zhang Peiru Wang Linglin Zhang Zheng Huang Feng Zhao Hansen Luan Xiuli Wang

BACKGROUND Squamous cell carcinoma (SCC) is a common skin cancer, and its treatment is still difficult. The aim of this study was to evaluate the effectiveness of nanoparticle (NP)-assisted 5-aminolevulinic acid (ALA) delivery for topical photodynamic therapy (PDT) of cutaneous SCC. MATERIALS AND METHODS Ultraviolet-induced cutaneous SCCs were established in hairless mice. ALA-loaded polylact...

2018
Lin Xin Hou-Ting Zhang Wei-Feng Yang Yi-Fan Li Chuan Liu

PEG-PLGA nanoparticles (NPs) modified with anti-CD133 and tumor-targeting single-chain antibody fragment (scFV-NPs) for systemic delivery of methioninase (METase) and pemetrexed for gastric carcinoma were successfully formulated. The structure characterization and biological functions of METase-pemetrexed-loaded scFV-PEG-PLGA NPs (scFV-METase/pemetrexed-NPs) in vitro were investigated. Function...

2017
Mingyu Lee Chun Gwon Park Beom Kang Huh Se-Na Kim Seung Ho Lee Roza Khalmuratova Jong-Wan Park Hyun-Woo Shin Young Bin Choy

Resveratrol (RSV) has been shown to effectively suppress chronic rhinosinusitis with nasal polyps in a mouse model; however, when locally administered to the sinonasal cavity, bolus RSV is limited by low drug bioavailability owing to its low aqueous solubility and relatively rapid clearance from the administration site. To address this limitation, we propose mucoadhesive nanostructured micropar...

Journal: :Environment International 2021

Nanobiomaterials (NBMs) are currently being tested in numerous biomedical applications, and their use is expected to grow rapidly the near future. Many different types of nanomaterials employed for a wide variety applications. Silver nanoparticles (nano-Ag) have been investigated antibacterial, antifungal, osteoinductive properties be used catheters, wound healing, dental bone healing. Polymeri...

Journal: :ACS Chemical Neuroscience 2021

With the great success of graphene in biomedical field, carbon nanotubes have attracted increasing attention for different applications ophthalmology. Here, we report a novel retinal sheet composed (CNTs) and poly(lactic-co-glycolic acid) (PLGA) that can enhance cell therapy. By tuning our CNTs to regulate mechanical characteristics retina sheets, were able improve vitro viability ganglion cell...

2016
Hong Jin Choi Jun Jae Lee Jung Bok Lee Hak-Joon Sung Jung-Woog Shin Ji Won Shin Yanru Wu Jeong Koo Kim

BACKGROUND Mechanical properties and cyto-compatibility of a composite scaffold which possessed negative (-) Poisson's ratio (NPR) was investigated for effective load transfer from auxetic scaffold to cell. METHODS Organic/inorganic composite scaffolds were prepared by mixing hydroxyapatite (HA) to poly(lactide-co-glycolide) (PLGA). To induce NPR in composite scaffold, 3-directional volumetri...

2013
Kai Zhao Wei Li Tingting Huang Xiaomei Luo Gang Chen Yang Zhang Chen Guo Chunxiao Dai Zheng Jin Yan Zhao Hongyu Cui Yunfeng Wang

BACKGROUND Although the Newcastle disease virus (NDV) inactivated vaccines and attenuated live vaccines have been used to prevent and control Newcastle disease (ND) for years, there are some disadvantages. Recently, newly developed DNA vaccines have the potential to overcome these disadvantages. The low delivery efficiency, however, hindered the application of DNA vaccines for ND in practice. ...

Journal: :The Journal of antimicrobial chemotherapy 2004
Sandra Prior Bruno Gander Concepción Lecároz Juan M Irache Carlos Gamazo

OBJECTIVES The intracellular antibiotic efficiency of gentamicin-loaded microspheres in the context of Brucella-infected murine monocytes was examined in vitro with a view to developing improved therapies for the treatment of brucellosis. METHODS Biodegradable microspheres made of end-group capped and uncapped poly(lactide-co-glycolide) 50:50 (PLGA 50:50 and PLGA 50:50H) and containing gentam...

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