Showing 1-30 of 82 results for "

363073

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Yuta Saito et al.
Macromolecular rapid communications, 34(8), 630-634 (2013-03-20)
Porous surface patterns are used in a wide variety of practical applications. Honeycomb-patterned porous polymer films are good templates for preparing porous surfaces due to their simple fabrication and the arrangement of pores on the surface. Catechol groups include in...
Alberto Villa et al.
ChemSusChem, 6(4), 609-612 (2013-03-16)
Mixed noblility: We show that the modification of a gold/carbon catalyst with platinum or palladium produces stable and recyclable catalysts for the selective oxidation of 5-hydroxymethylfurfural (HMF) to 2,5-furandicarboxylic acid (FDCA): the support and nanoparticle chemistry directly mediate the selective...
Roger F Falkenstern-Ge et al.
Journal of bronchology & interventional pulmonology, 20(1), 58-62 (2013-01-19)
Emphysema is a progressive and irreversible disease for which there is no cure to date. The patients experience debilitating shortness of breath with repetitive exacerbations and poor quality of daily life. At present, patients with severe emphysema have limited treatment...
Compostable Polymer Properties and Packaging Applications
Plastic Films in Food Packaging, 217-248 (2013)
Santanu Kaity et al.
Carbohydrate polymers, 94(1), 456-467 (2013-04-03)
A novel interpenetrating polymer network (IPN) microspheres of locust bean gum (LBG) and poly (vinyl alcohol) (PVA) was developed for oral controlled release of buflomedil hydrochloride (BH) by emulsion crosslinking method using glutaraldehyde as crosslinker. The effects of gum-polymer ratio...
Hye Rim Cho et al.
Anticancer research, 33(1), 223-230 (2012-12-26)
To evaluate the feasibility of the McA-RH7777 tumor model in Sprague-Dawley (SD) rats, for study of hepatoma and transarterial chemoembolization. McA-RH7777 rat hepatoma cells (1×10(7)) were inoculated into the left hepatic lobe of SD rats (n=38). Chemoembolization with left common...
Li Xin Su et al.
The Chinese journal of dental research : the official journal of the Scientific Section of the Chinese Stomatological Association (CSA), 17(2), 85-89 (2014-12-23)
Arteriovenous malformations (AVMs) are congenital vascular malformations (CVMs) resulting from birth defects of the vasculature. It is rarely seen, only accounting for 1.5% of all vascular anomalies, and 50% of the lesions are located in the oral and maxillofacial region....
Xia Song et al.
Pharmaceutical development and technology, 18(5), 1220-1229 (2012-02-03)
A sustained drug release system based on the injectable poly(lactic-co-glycolic acid) (PLGA) microspheres loaded with β-methasone was prepared for localized treatment of rheumatic arthritis. The microscopy and structure of microspheres were characterized by scanning electron microscope (SEM) and Fourier transform...
S Bhattacharya et al.
Journal of biomedical nanotechnology, 10(5), 811-819 (2014-04-17)
Controlled size, shape and dispersibility of superparamagnetic iron oxide nanoparticles (SPIONs), has been achieved in a protein-polymer colloidal dispersion. Stable ferrofluid (FF) is synthesized in an aqueous medium of collagen, bovine serum albumin and poly(vinyl) alcohol that equilibrates with time...
Bai-wen Qi et al.
Experimental biology and medicine (Maywood, N.J.), 238(1), 23-30 (2013-03-13)
The aim of this work is to explore the feasibility and therapeutic effect of repairing rabbit articular cartilage defects using thermo-sensitive chitosan/poly (vinyl alcohol) composite hydrogel engineered Ad-hTGF-β1-transfected bone marrow mesenchymal stem cells. Rabbit's bone marrow stromal cells (BMSCs) were...
Gang Wang et al.
PloS one, 6(11), e27605-e27605 (2011-11-24)
Mucosal vaccination has been demonstrated to be an effective means of eliciting protective immunity against aerosol infections of foot and mouth disease virus (FMDV) and various approaches have been used to improve mucosal response to this pathogen. In this study...
Daniele Di Mascolo et al.
Journal of controlled release : official journal of the Controlled Release Society, 170(3), 460-468 (2013-06-25)
PPARγ nuclear receptor agonists have been shown to attenuate macrophage inflammatory responses implicated in the metabolic complications of obesity and in atherosclerosis. However, PPARγ agonists currently in clinical use, including rosiglitazone (RSG), are often associated with severe side effects that...
Ana M Paiva et al.
International journal of pharmaceutics, 454(1), 394-402 (2013-07-17)
One possible approach to overcome solubility complications and enhance the biological activity of drugs is their incorporation into drug delivery systems. Within this scope, several nanosphere and nanocapsule formulations of a new inhibitor of p53-MDM2 interaction (xanthone 1) were developed...
T V Sukhanova et al.
Biomeditsinskaia khimiia, 59(1), 65-75 (2013-05-09)
The aim of the study was to entrap delta-sleep inducing peptide (DSIP) in cross-linked poly(vinyl alcohol)-based hydrogels of different structures and to evaluate peptide release kinetics from these hydrogels using an in vitro model. Isotropic and macroporous hydrogels on the...
J H Seol et al.
Rhinology, 51(2), 137-142 (2013-05-15)
A number of different nasal packing materials are available for prevention of nasal bleeding after endoscopic sinus surgery. Polyvinyl alcohol (PVA) coated nasal packing is an expandable packing for use in rhinological surgery. This innovative surf- ace treatment helps to...
Dan Hoff et al.
International journal of nanomedicine, 8, 703-710 (2013-02-22)
In the present study, the permeability of 11 different iron oxide nanoparticle (IONP) samples (eight fluids and three powders) was determined using an in vitro blood-brain barrier model. Importantly, the results showed that the ferrofluid formulations were statistically more permeable...
PLGA/alginate composite microspheres for hydrophilic protein delivery
Zhai P, et al.
Materials Science and Engineering, C, 56(26), 251-259 (2015)
Han Zhu et al.
Biosensors & bioelectronics, 49, 210-215 (2013-06-15)
A novel, facile and green approach for the fabrication of H2O2, glutathione (GSH) and glucose detection biosensor using water-stable PVA and PVA/PEI nanofibers decorated with AgNPs by combining an in situ reduction approach and electrospinning technique has been demonstrated. Small...
Rehmani Aniqah Jawad et al.
JPMA. The Journal of the Pakistan Medical Association, 63(12), 1482-1485 (2014-01-09)
To evaluate the results of uterine fibroid embolisation as a treatment option for symptomatic uterine fibroids in the local population. The retrospective study was done at the Department of Diagnostic and Interventional Radiology, Shifa International Hospital, Islamabad, and comprised records...
Mohammad Mujahid Ali Khan et al.
Materials science & engineering. C, Materials for biological applications, 33(4), 2360-2366 (2013-03-19)
The aim of this study was to investigate the preparation of novel membrane and the characterization of their properties. A new class of polyvinyl chloride (PVC) based polyvinyl alcohol Ce(IV) phosphate composite membrane was successfully prepared by solution casting method....
Helena N Chia et al.
Biofabrication, 7(1), 015002-015002 (2014-12-18)
Direct three-dimensional printing (3DP) produces the final part composed of the powder and binder used in fabrication. An advantage of direct 3DP is control over both the microarchitecture and macroarchitecture. Prints which use porogen incorporated in the powder result in...
Solmaz Hajizadeh et al.
Journal of chromatography. A, 1274, 6-12 (2013-01-08)
In this work, a new macroporous molecularly imprinted cryogel (MIP composite cryogel) was synthesized by glutaraldehyde cross-linking reaction of poly(vinyl alcohol) (PVA) particles and amino-modified molecularly imprinted core-shell nanoparticles. The MIP core-shell nanoparticles were prepared using propranolol as a template...
Sreejith Raveendran et al.
Carbohydrate polymers, 92(2), 1225-1233 (2013-02-13)
Extremophilic bacterial polysaccharide based biocompatible nanofibers were produced for the first time via electrospinning technique. Mauran (MR), an extremophilic sulfated exopolysaccharide was extracted from moderately halophilic bacterium, Halomonas maura and characterized for the application of nanofiber synthesis. Thin-uniform MR nanofibers...
Yuming Dong et al.
Pharmaceutical development and technology, 19(8), 960-967 (2013-12-11)
High concentration of 5-amino salicylic acid (5-ASA) in the distal ileum and colon is necessary for the treatment of inflammatory bowel disease (IBD). The control of small molecules, drugs, released from a polymeric matrix remains a great challenge. To study...
Ananthakrishnan Soundaram Jeevarathinam et al.
Angewandte Chemie (International ed. in English) (2019-12-17)
We report a new approach to monitor drug release from nanocarriers via a paclitaxel-methylene blue conjugate (PTX-MB) with redox activity. This construct is in a photoacoustically silent reduced state inside poly(lactic-co-glycolic acid) (PLGA) nanoparticles (PTX-MB@PLGA NPs). During release, PTX-MB is...
Ashok A Kumar et al.
American journal of hematology, 90(1), 31-36 (2014-09-30)
This paper demonstrates the enrichment of reticulocytes by centrifuging whole blood through aqueous multiphase systems (AMPSs)-immiscible phases of solutions of polymers that form step-gradients in density. The interfaces of an AMPS concentrate cells; this concentration facilitates the extraction of blood...
Xiaobing Shen et al.
Journal of nanoscience and nanotechnology, 14(7), 5258-5265 (2014-04-25)
This study reports on the use of electrospun polyvinyl alcohol (PVA) nanofiber mats loaded with prazosin hydrochloride (PRH) as a transdermal drug delivery system, investigating the morphology of electrospun PVA nanofibers, the in vitro release characteristics of the drug from...
Melek Kiristi et al.
Materials science & engineering. C, Materials for biological applications, 33(7), 3845-3850 (2013-08-06)
Plasma-modified chitosan and poly(3,4-ethylenedioxythiophene) were blended to obtain conducting nanofibers with polyvinyl alcohol as a supporting polymer at various volumetric ratios by electrospinning method. Chemical compositions and molecular interactions among nanofiber blend components were determined using Fourier transform infrared spectroscopy...
Bor-Sen Chiou et al.
International journal of biological macromolecules, 55, 214-220 (2013-01-29)
Pollock gelatin/poly(vinyl alcohol) (PVA) fibers were electrospun using deionized water as the solvent and pollock gelatin/poly(lactic acid) (PLA) fibers were electrospun using 1,1,1,3,3,3-hexafluoro-2-propanol (HFIP) as the solvent. The chemical, thermal, and thermal stability properties were examined for the electrospun samples....
E Fortunati et al.
Carbohydrate polymers, 97(2), 837-848 (2013-08-06)
Cellulose nanocrystals (CNC) extracted from three different sources, namely flax, phormium, and commercial microcrystalline cellulose (MCC) have been used in a polyvinyl alcohol (PVA) matrix to produce anti-bacterial films using two different amounts of silver nanoparticles (0.1 wt% and 0.5...