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363073

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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...
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...
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...
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...
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...
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...
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...
Peng Zhai et al.
Materials science & engineering. C, Materials for biological applications, 56, 251-259 (2015-08-08)
Poly(lactic-co-glycolic acid) (PLGA) microspheres and PLGA/alginate composite microspheres were prepared by a novel double emulsion and solvent evaporation technique and loaded with bovine serum albumin (BSA) or rabbit anti-laminin antibody protein. The addition of alginate and the use of a...
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....
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...
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...
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...
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...
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...
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...
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....
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...
PLGA/alginate composite microspheres for hydrophilic protein delivery
Zhai P, et al.
Materials Science and Engineering, C, 56(26), 251-259 (2015)
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...
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(®)...
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...
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...
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...
Compostable Polymer Properties and Packaging Applications
Plastic Films in Food Packaging, 217-248 (2013)
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...
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...
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...
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....
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...
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