نتایج جستجو برای: polycaprolactone

تعداد نتایج: 1711  

Journal: :The Journal of bone and joint surgery. British volume 2011
H-C Lim J-H Bae H-R Song S H Teoh H-K Kim D-H Kum

Medial open-wedge high tibial osteotomy has been gaining popularity in recent years, but adequate supporting material is required in the osteotomy gap for early weight-bearing and rapid union. The purpose of this study was to investigate whether the implantation of a polycaprolactone-tricalcium phosphate composite scaffold wedge would enhance healing of the osteotomy in a micro pig model. We ca...

2018
Mitra Alami-Milani Parvin Zakeri-Milani Hadi Valizadeh Roya Salehi Mitra Jelvehgari

Objectives Micelles have been studied as nanoparticulate drug delivery systems for improving the topical ocular delivery of hydrophobic drugs. The objective of this study was to develop and characterize dexamethasone-loaded polycaprolactone-polyethylene glycol-polycaprolactone (PCL-PEG-PCL) micelles to improve patient compliance and enhance the ocular bioavailability of poorly water-soluble dru...

Journal: :Macromolecular bioscience 2007
Vitor M Correlo Elisabete D Pinho Iva Pashkuleva Mrinal Bhattacharya Nuno M Neves Rui L Reis

Blends of chitosan and biodegradable synthetic aliphatic polyesters (polycaprolactone, poly(butylene succinate), poly[(butylene succinate)-co-adipate], poly[(butylene terephthalate)-co-adipate], and poly(lactic acid)) were injection-molded. These samples were immersed in isotonic solution at 37 degrees C for a period of 60 d. The water uptake and the degradation properties, as measured by the l...

Journal: :Singapore medical journal 2009
S W Low Y J Ng T T Yeo N Chou

INTRODUCTION The aim of this study was to evaluate the outcome of Osteoplug, a novel biodegradable polymer burr-hole cover implant, used in patients with burr holes done for drainage of chronic subdural haematoma. METHODS 12 patients with chronic subdural haematoma had Osteoplug implants inserted into their burr holes after evacuation of the haematoma. Osteoplug is a biodegradable polycaprola...

2004
Chin-San Wu

In this study, tetra isopropyl ortho titanate (TTIP) and polycaprolactone (PCL) were chosen as the ceramic precursor and the continuous phase, respectively, for the preparation of novel nanocomposites by using an in situ sol-gel process. In addition, acrylic acid grafted polycaprolactone (PCL-g-AA) was investigated as an alternative to PCL. The hybrids (PCL/TiO2 and PCL-g-AA/TiO2) were characte...

Journal: :Tissue engineering. Part A 2008
Elizaveta Kon Giuseppe Filardo Matilde Tschon Milena Fini Gianluca Giavaresi Leonardo Marchesini Reggiani Catharina Chiari Stefan Nehrer Ivan Martin Donald M Salter Luigi Ambrosio Maurilio Marcacci

The aim of the study was to investigate the use of a hyaluronic acid/polycaprolactone material for meniscal tissue engineering and to evaluate the tissue regeneration after the augmentation of the implant with expanded autologous chondrocytes. Eighteen skeletally mature sheep were treated. The animals were divided into three groups: cell-free scaffold, scaffold seeded with autologous chondrocyt...

2014
Cha Ping Liau Mansor Bin Ahmad Kamyar Shameli Wan Md Zin Wan Yunus Nor Azowa Ibrahim Norhazlin Zainuddin Yoon Yee Then

Polyhydroxybutyrate (PHB)/polycaprolactone (PCL)/stearate Mg-Al layered double hydroxide (LDH) nanocomposites were prepared via solution casting intercalation method. Coprecipitation method was used to prepare the anionic clay Mg-Al LDH from nitrate salt solution. Modification of nitrate anions by stearate anions between the LDH layers via ion exchange reaction. FTIR spectra showed the presence...

Journal: :Journal of the Mechanical Behavior of Biomedical Materials 2016

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