L-lactide)
Innovative biodegradable poly(L-lactide)/collagen/<br />hydroxyapatite composite fibrous scaffolds promote osteoblastic proliferation and differentiation
... Abstract: The development of an artificial bone graft which can promote the regeneration of fractures or diseased bones is currently the most challenging aspect in bone tissue engineering. To achieve the purpose of ...
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Schiff Base Transition Metal Complexes for ROP of L-Lactide - Volume 8 Number 2 (Apr. 2017) - IJCEA
... of L-lactide in the presence of benzyl alcohol, the copper(II), nickel(II), cobalt(II) and zinc(II) ion complexes of HMBBD Schiff base have been synthesized successfully and their activities were compared ...
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Modeling of polyethylene, poly(l lactide), and CNT composites: a dissipative particle dynamics study
... As a representative polymer material, polyethylene (PE) is widely used and comprises 20% of the plastic production in the world due to its numerous excellent properties, such as chemical resistance, good impact ...
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NOVEL SYNTHESIS OF PLASTICIZERS OF POLY(L-LACTIDE) BIOPLASTIC FILMS AND THERE THERMAL PROPERTIESGhulam Mohammad JanDOWNLOAD/VIEW
... The poly(L-lactic acid) (PLA) was synthesized in our research unit at Mahasarakham University by ring- opening polymerization of a L-lactide monomer in bulk at 165 °C for 2.5 h under a nitrogen ...
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Synthesis of Star-Shaped ε-Caprolactone Oligomers for use as Plasticizers of Poly(L-Lactide) Bioplastic films
... Liquid star-shaped e-caprolactone (CL) oligomers were synthesized by ring-opening reaction of CL using a six terminal hydroxyl group initiator, Boltorn® H2004, for use as new plasticizers of poly(L-lactide) ...
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Development of novel cationic chitosan- and anionic alginate–coated poly(D,L-lactide-<em>co</em>-glycolide) nanoparticles for controlled release and light protection of resveratrol
... Methods: NPs were prepared by the nanoprecipitation method and characterized in terms of morphology, size and zeta potential, encapsulation efficiency, Raman spectroscopy, swelling properties, differential scanning ...
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Effects of poly(L-lactide-ε-caprolactone) and magnesium hydroxide additives on physico-mechanical properties and degradation of poly(L-lactic acid)
... the PLLA blends with ductile and biodegradable poly- mers such as polyglycolic acid (PGA) [10, 11], polyamide 6 (PA6) [12] and poly(butylene succinate-co-adipate) (PBSA) [13, 14]. Aliphatic polyester based on polycapro- ...
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Biodegradable nanoparticles of methoxy poly(ethylene glycol) b poly( d, l lactide)/methoxy poly(ethylene glycol) b poly(ϵ caprolactone) blends for drug delivery
... In the past few decades, biodegradable and biocompat- ible nanoparticles of methoxy poly(ethylene glycol)-b- poly(D,L-lactide) (MPEG- b -PDLL) and methoxy poly (ethylene glycol)-b-poly(E-caprolactone) ...
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Synthesis and Characterization of Poly(D,L Lactide co Glycolide) Copolymer
... The main objective of this study regards the synthesis of one of the most widely used biopolymers in the medi- cal area, the copolymer poly(D,L-lactide-co-glycolide). New conditions suitable for its ...
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Development of Chitosan/Poly(L Lactide)/Multiwalled Carbon Nanotubes Scaffolds for Bone Tissue Engineering
... This work focuses to improve the mechanical properties and investigates the growth of osteob- lasts on a degradable chitosan/poly(L-lactide)/carbon nanotubes composite for tissue engineer- ing. The ...
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Montmorillonite Poly-L-lactide microcomposites of procainamide for controlled drug delivery: In vitro and in vivo evaluation
... For the present study, procainamide HCl, poly L-lactide (PLLA) (inherent viscosity 0.90-1.20) and cellulose acetate dialysis tube (cut-off Mw: 7014) were procured from Sigma-Aldrich, St Louis USA. ...
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Effect of D /L form ratio on properties and drug release behaviors of amorphous poly(D,L lactide) microparticles
... Amorphous poly(D,L-lactide) (PDLLA) and poly(D,L-lactide-co-glycolide) (PDLLGA) are biodegradable and biocompatible polyesters that have been widely investigated for use as controlled release ...
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Antitumoral activity of L-ascorbic acid-poly-D,L-(lactide-co-glycolide) nanoparticles containing violacein
... Abstract: It has been demonstrated that tumoral cells have a higher uptake of ascorbic acid compared to normal cells. This differential characteristic can be used as a way to improve the specificity of antitumoral ...
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Supercritical Fluid Impregnation of Essential Bark Oil in Copolymers of L Lactide with 7 Membered Cyclic Compounds
... In order to solve the above problems, the method of taking efficiently into the polymer material of low boiling points which does not use an organic solvent and selection of the polymer which has the highly efficient ...
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Syntheses of poly(l-lactide)-block-xylan butyrate-block-poly(l-lactide) triblock copolymers and their properties
... The basic synthetic strategy for the polysaccharide-based block copolymer was to modify the end group of the polysaccharide chain to allow connection of other poly- mers by polymerization or coupling. One approach for ...
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Improvement in Crystallizability and Melt Flow Property of Linear Poly(L-lactide) Bioplastic by Blending with Star-shaped Poly(L-lactide)
... This research focuses on the crystallizability and melt flow property of linear poly(L-lactide) (1-PLL) by blending with star-shaped 16-arm PLL (16-PLL). The 1-PLL/16-PLL blends were chain extended during ...
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Preparation and Swelling Behavior of L Lactide Interpenetrating Networks
... Chemicals used in this study were supplied from different sources, polyethylene glycol (average M. wt. 2000, 4000 and 10000) were supplied from BDH Co., sebacoyl chloride and glutaraldehyde were supplied from Fluka ...
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Synthesis and Thermal Properties of Novel Biodegradable ABCBA Pentablock Copolymers from Poly (Ethylene glycol), L-Lactide and p-Dioxanone
... triblock copolymer acts as the macro-initiator. The obtained pentablock copolymers were identified by 1 H and 13 CNMR spectroscopy. Intrinsic viscosity of the resulting copolymers was measured via dilute solution ...
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Synthesis and characterization of poly (D,L-lactide-co-ε-caprolactone) for application in Tendon/Ligament Tissue Engineering
... temperature (-60 0 C). PCL in the rubbery state has modulus of 0.4 GPa and an elongation at break around 300-400 %. This rubbery property makes it suitable for scaffold tissue fabrication by electrospinning method as ...
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The Formation and Characterization of Nanocrystalline Phases by Mechanical Milling of Biphasic Calcium Phosphate/Poly L Lactide Biocomposite
... Biphasic calcium phosphate/poly-L-lactide granules of 150–200 mm sizes were subjected to high-energy mechanical milling in a planetary ball mill for up to 480 minutes. Characterization of the material ...
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