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340502

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Wei Li Lee et al.
Journal of biomedical materials research. Part A, 100(12), 3353-3362 (2012-06-27)
Numerous models that predict drug release from nonerodible reservoir-membrane sphere systems have been presented. Most of these models cater only to a phase of drug release from a constant reservoir. All these models, however, are not applicable to drug release...
Ayako Oyane et al.
Acta biomaterialia, 7(7), 2969-2976 (2011-05-04)
Artificial materials coated with a protein-apatite composite layer have great potential in clinical applications as a third generation biomaterial. Such composite materials can be prepared by immersing a surface modified substrate into a supersaturated calcium phosphate solution (CP solution: 142...
The synthetic ethylene-vinyl acetate bench model.
Rafael Denadai et al.
Dermatologic surgery : official publication for American Society for Dermatologic Surgery [et al.], 38(2), 288-289 (2012-02-09)
Fernando R Nodal et al.
The Journal of physiology, 590(16), 3965-3986 (2012-05-02)
The cerebral cortex plays a critical role in perception and in learning-induced plasticity. We show that reversibly silencing any of the main regions of auditory cortex impairs the ability of adult ferrets to localize sound, with the largest deficit seen...
Kanchana A Weerakoon et al.
Pest management science, 68(6), 906-913 (2012-01-21)
Plants emit phytochemicals as a defensive mechanism against herbivores. A small sensor switch that responds to these chemicals could be used to stop insect infestation at early stages. Polyethylene-co-vinyl acetate was chosen as the best polymer for this particular application...
Christopher Mc Conville et al.
Journal of biomedical materials research. Part B, Applied biomaterials, 100(4), 891-895 (2012-03-23)
Vaginal rings are currently being investigated for delivery of HIV microbicides. However, vaginal rings are currently manufactured form hydrophobic polymers such as silicone elastomer and polyethylene vinyl acetate (PEVA), which do not permit release of hydrophilic microbicides such as the...
Kevin B Biggs et al.
Langmuir : the ACS journal of surfaces and colloids, 28(21), 8238-8243 (2012-04-27)
Drug release from and coating morphology on a CYPHER sirolimus-eluting coronary stent (SES) during in vitro elution were studied by correlated confocal Raman and atomic force microscopy (CRM and AFM, respectively). Chemical surface and subsurface maps of the SES were...
Wei Li Lee et al.
Acta biomaterialia, 8(6), 2271-2278 (2012-02-22)
Triple-layered microparticles comprising poly(D,L-lactide-co-glycolide, 50:50) (PLGA), poly(L-lactide) (PLLA) and poly(ethylene-co-vinyl acetate, 40 wt.% vinyl acetate) (EVA) were fabricated using a one-step solvent evaporation technique, with ibuprofen drug localized in the EVA core. The aim of this study was to investigate...
Bibo Wang et al.
ACS applied materials & interfaces, 3(9), 3754-3761 (2011-08-24)
Ammonium polyphosphate (APP), a widely used intumescent flame retardant, has been microencapsulated by cellulose acetate butyrate with the aim of enhancing the water resistance of APP and the compatibility between the ethylene-vinyl acetate copolymer (EVA) matrix and APP. The structure...
A Almeida et al.
International journal of pharmaceutics, 439(1-2), 223-229 (2012-09-29)
The aim of the present work was to evaluate drug release and quality of EVA/drug matrices at different PEO 7M concentrations (5 and 15%), manufactured using two different hot-melt extruders: a lab-scale mini extruder and a pilot-scale extruder. The process...
P Sriamornsak et al.
Die Pharmazie, 66(8), 576-583 (2011-09-10)
The aim of this study was to investigate the drug release from microparticles coated with various polymeric films. Ibuprofen-loaded microparticles with diameter of 250 and 300 microm were prepared by a fluidized bed granulator. Five polymers were used as coating...
Mahmoud Borhani zarandi et al.
Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine, 70(1), 1-5 (2011-10-18)
In this paper a series of low-density polyethylene (LDPE) blends with different percentages (10%, 20%, and 30%) of EVA and sets of low-density polyethylene sheets were prepared. This set consists of four subsets, which were made under different cooling methods:...
Roberto Scaffaro et al.
Journal of food protection, 74(7), 1137-1143 (2011-07-12)
Both industry and academia have shown a growing interest in materials with antimicrobial properties suitable for food packaging applications. In this study, we prepared and characterized thin films of ethylene-co-vinyl acetate (EVA) copolymer with antimicrobial properties. The films were prepared...
Neide Pena Coto et al.
Dental traumatology : official publication of International Association for Dental Traumatology, 28(2), 108-113 (2011-07-28)
There has been a significant increase in the number of facial fractures stemming from sport activities in recent years, with the nasal bone one of the most affected structures. Researchers recommend the use of a nose protector, but there is...
Lili Wang et al.
PloS one, 7(6), e37781-e37781 (2012-06-14)
The study on the rare earth (RE)-doped layered double hydroxides (LDHs) has received considerable attention due to their potential applications in catalysts. However, the use of RE-doped LDHs as polymer halogen-free flame retardants was seldom investigated. Furthermore, the effect of...
Susan Genualdi et al.
Environmental science & technology, 46(14), 7661-7668 (2012-06-19)
Modified polymer-coated glass samplers (POGs), termed EVA samplers, consist of micrometer-thin layers of ethylene vinyl acetate (EVA) coated onto a glass fiber filter or aluminum foil substrate. These samplers were designed to equilibrate rapidly with priority pollutants in air, making...
Juliana S Félix et al.
Waste management (New York, N.Y.), 33(3), 645-655 (2012-12-25)
Application of wood plastic composites (WPCs) obtained from recycled materials initially intended for landfill is usually limited by their composition, mainly focused on release of volatile organic compounds (VOCs) which could affect quality or human safety. The study of the...
Jaleh Varshosaz et al.
Pharmaceutical development and technology, 19(5), 605-617 (2013-08-14)
Carvedilol used in cardiovascular diseases has systemic bioavailability of 25-35%. The objective of this study was production of lectin-modified poly(ethylene-co-vinyl acetate) (PEVA) as mucoadhesive nanoparticles to enhance low oral bioavailability of carvedilol. Nanoparticles were prepared by the emulsification-solvent evaporation method...
Shijun Sheng et al.
Journal of separation science, 36(4), 721-728 (2013-01-29)
In this report, a graphene/poly(ethylene-co-vinyl acetate) composite electrode was fabricated by melt compounding for the amperometric detection of capillary electrophoresis. The composite electrode was fabricated by packing a mixture of graphene and melted poly(ethylene-co-vinyl acetate) in a piece of fused...
Poly (ethylene-co-vinyl acetate)/clay nanocomposites: Effect of clay nature and organic modifiers on morphology, mechanical and thermal properties
Peeterbroeck S, et al.
Polymer Degradation and Stability, 90(2), 288-294 (2005)
Rafael Denadai et al.
Acta cirurgica brasileira, 27(3), 271-278 (2012-03-31)
To assess the acquisition of suture skills by training on ethylene-vinyl acetate bench model in novice medical students. Sixteen medical students without previous surgery experience (novices) were randomly divided into two groups. During one hour group A trained sutures on...
Preparation and flammability of a novel intumescent flame-retardant poly (ethylene-co-vinyl acetate) system
Wang D, et al.
Polymer Degradation and Stability, 93(12), 2186-2192 (2008)
A Almeida et al.
European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V, 82(3), 526-533 (2012-09-19)
The aim of the present study was to evaluate the importance of matrix flexibility of hot-melt extruded (HME) ethylene vinyl acetate (EVA) matrices (with vinyl acetate (VA) contents of 9%, 15%, 28% and 40%), through the addition of hydrophilic polymers...
Anton Ginzburg et al.
Journal of chromatography. A, 1285, 40-47 (2013-03-12)
High-temperature two-dimensional liquid chromatography (HT 2D-LC) was developed for the separation and characterization of functional polyolefins. Therefore, the key experimental parameters, namely the injection volume, the mobile phase composition, the flow rate in SEC and the time and phase of...
Rachel Singer et al.
Science translational medicine, 4(150), 150ra123-150ra123 (2012-09-08)
Microbicides may prevent HIV and sexually transmitted infections (STIs) in women; however, determining the optimal means of delivery of active pharmaceutical ingredients remains a major challenge. We previously demonstrated that a vaginal gel containing the non-nucleoside reverse transcriptase inhibitor MIV-150...
Taiji Ogawa et al.
International journal of oral science, 4(1), 14-18 (2012-03-17)
Bacterial infection associated with the use of medical or dental devices is a serious concern. Although devices made of ethylene vinyl acetate (EVA) are often used in the oral cavity, there are no established standards for their storage. We investigated...
Ethylene vinyl acetate (foam): an inexpensive and useful tool for teaching suture techniques in dermatologic surgery.
Daniela Gutiérrez-Mendoza et al.
Dermatologic surgery : official publication for American Society for Dermatologic Surgery [et al.], 37(9), 1353-1357 (2011-05-28)
Sylvie Defrère et al.
Macromolecular bioscience, 11(10), 1336-1345 (2011-08-09)
The intraperitoneal biocompatibility of PDMS, polyHEMA and pEVA was investigated in rats, rabbits and rhesus monkeys. No inflammation was evidenced by hematological analyses and measurement of inflammatory markers throughout the experiment and by post-mortem examination of the pelvic cavity. After...
Martin G Jorgensen et al.
The journals of gerontology. Series A, Biological sciences and medical sciences, 68(7), 845-852 (2012-11-02)
Older adults show increased risk of falling and major risk factors include impaired lower extremity muscle strength and postural balance. However, the potential positive effect of biofeedback-based Nintendo Wii training on muscle strength and postural balance in older adults is...
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