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Showing 1-30 of 75 results for "363103" within Papers
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
Miao Zhang et al.
Journal of visualized experiments : JoVE, (73)(73), e4335-e4335 (2013-03-15)
Existing protocols for the generation of neurons from human pluripotent stem cells (hPSCs) are often tedious in that they are multistep procedures involving the isolation and expansion of neural precursor cells, prior to terminal differentiation. In comparison to these time-consuming
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
Raquel Damasceno et al.
Canadian journal of microbiology, 59(11), 716-719 (2013-11-12)
The electrospinning technique of rhizobia immobilization in nanofibres is an innovative and promising alternative for reducing the harmful effects of environmental stress on bacteria strains in a possible inoculant nanotechnology product for use in agriculture. The use of polyvinyl alcohol
Feng-yong Liu et al.
Acta radiologica (Stockholm, Sweden : 1987), 54(1), 61-66 (2013-02-05)
Preoperative embolization of tumors is a well-established procedure that has been successfully applied in various clinical situations. Preoperative embolization can reduce the vascularity of tumors resulting in a clearer operative field, less difficult dissection, decreased blood loss, and, in some
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
Jiankang Song et al.
Nanoscale, 5(6), 2482-2490 (2013-02-16)
C6-carboxy-cellulose with a carboxylate content of 0.8 mmol g(-1) was obtained by oxidation of once-dried cellulose, using the 2,2,6,6-tetramethylpiperidinyl-1-oxyl (TEMPO)/NaClO/NaClO2 system at pH 6.8 and 60 °C for 16 h. This method, with the addition of reagents in the order
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
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
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.
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
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
Wenkai Chang et al.
Materials science & engineering. C, Materials for biological applications, 33(7), 4369-4376 (2013-08-06)
Nanocomposite materials consisting of polymer matrix and inorganic salts in the form of nanocrystals of hydroxyapatite (HA) are regarded as superior candidates for bone treatment. A biomimetic nanocomposite scaffold with HA formation on the electrospun poly(vinyl alcohol) (PVA) nanofibrous structure
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
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
Susmita Singh et al.
Colloids and surfaces. B, Biointerfaces, 106, 46-50 (2013-02-26)
Alpha-amylase was immobilized onto polyaniline-polyvinyl alcohol (PAni-PVA) film by cross linking with glutaraldehyde. The activity yield and immobilization efficiency was calculated as 13.58% and 30.60% respectively. The PAni-PVA-Amylase films were characterized by Fourier Transform Infrared Spectroscopy (FTIR) and amylase activity
Cijun Shuai et al.
Biofabrication, 5(1), 015014-015014 (2013-02-07)
A tetragonal polyvinyl alcohol (PVA) scaffold with 3D orthogonal periodic porous architecture was fabricated via selective laser sintering (SLS) technology. The scaffold was fabricated under the laser power of 8 W, scan speed of 600 mm min(-1), laser spot diameter of 0.8 mm
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
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
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
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
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
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
Plastics Materials, 386-397 (1999)
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
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.
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
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
Nadège Grabowski et al.
International journal of pharmaceutics, 454(2), 686-694 (2013-06-12)
In vitro cytotoxicity and inflammatory response following exposure to nanoparticles (NPs) made of poly(lactide-co-glycolide) (PLGA) have been investigated on A549 human lung epithelial cells. Three different PLGA NPs (230 nm) were obtained using different stabilizers (polyvinyl alcohol, chitosan, or Pluronic(®)
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