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Showing 1-30 of 70 results for "81382" within Papers
Pedro Paulo Martins de Oliveira et al.
The Journal of thoracic and cardiovascular surgery, 147(4), 1405-1410 (2013-09-03)
Adhesions may increase the incidence of lethal complications of cardiac reoperations, which account for up to 20% of all open-heart surgeries. Herein, we describe the use of a polyvinyl alcohol membrane (PVAM) as a pericardial alternative and describe its performance
Susnata Bera et al.
Journal of nanoscience and nanotechnology, 13(1), 300-305 (2013-05-08)
Polymer capped CdSe nanoparticles have been grown using a simple chemical process. Transmission electron microscopy study revealed the formation of isolated CdSe nanoparticles encapsulated in polyvinyl alcohol matrix. The optical band gap of nanoparticle has been found to be blue
Piotr Hanczyc et al.
The journal of physical chemistry. B, 117(10), 2947-2954 (2013-02-15)
A stretched poly(vinyl alcohol) (PVA) film provides a unique matrix that enables also short DNA oligonucleotide duplex to be oriented and studied by linear dichroism (LD). This matrix further allows controlling DNA secondary structure by proper hydration (A or B
Qingguo Xu et al.
Journal of controlled release : official journal of the Controlled Release Society, 170(2), 279-286 (2013-06-12)
Mucus typically traps and rapidly removes foreign particles from the airways, gastrointestinal tract, nasopharynx, female reproductive tract and the surface of the eye. Nanoparticles capable of rapid penetration through mucus can potentially avoid rapid clearance, and open significant opportunities for
Hsin-Yi Lin et al.
Biomedical materials (Bristol, England), 8(2), 025009-025009 (2013-02-23)
Collagen and its blends, collagen/polyvinyl alcohol (PVA) and collagen/chitosan/PVA, were made into nanofibers by electrospinning. The nanofibrous matrices were evaluated for their potential as skin substitutes. The addition of PVA to collagen increased the swelling ratio of the nanofibers, their
Fusako Kawai et al.
Archives of microbiology, 195(2), 131-140 (2012-12-25)
Scanning electron microscopy (SEM) shows remarkable morphological surface changes in Sphingopyxis sp. 113P3 cells grown in polyvinyl alcohol (PVA) but not in Luria-Bertani medium (LB) (Hu et al. in Arch Microbiol 188: 235-241, 2007). However, transmission electron microscopy showed no
Shan Jiang et al.
Materials science & engineering. C, Materials for biological applications, 33(7), 3768-3774 (2013-08-06)
The precision of orientation to target placement during invasive therapy is mainly influenced by tool-tissue interaction. In this study, we aim to investigate a transparent Poly (vinyl alcohol) (PVA) hydrogel as tissue-equivalent material which is used in accurate surgical insertion
Xiao-Zhu Sun et al.
Carbohydrate polymers, 94(1), 147-153 (2013-04-03)
Polyvinyl alcohol (PVA) nanofibers loaded with curcumin or its β-cyclodextrin (CD) inclusion complex were successfully prepared using an electrospinning process. The influence of curcumin or CD-curcumin complex content on fiber formation and quality was investigated. X-ray diffraction and differential scanning
Beatriz Ferreira de Carvalho Patricio et al.
Journal of biomedical nanotechnology, 10(7), 1242-1248 (2014-05-09)
Bone metastasis is responsible for up to 99% of bone tumors. As no cure has yet to be discovered, available treatments simply strive to improve quality of life. One of such treatments is the use of EDTMP (ethylenediamine-tetramethylenephosphonic acid) labeled
Peng Li et al.
Journal of environmental sciences (China), 25(10), 1972-1979 (2014-02-06)
Starch/polyvinyl alcohol (PVA) blended materials for using as a solid carbon source (SCS) were prepared by blending PVA and gelatinized starch in an aqueous solution system, in which PVA served as framework material and starch as carbon source. The optimization
Yuichi Nogi et al.
International journal of systematic and evolutionary microbiology, 64(Pt 4), 1149-1153 (2014-01-11)
A polyvinyl-alcohol-degrading marine bacterium was isolated from plastic rope litter found in Tokyo Bay, Japan. The isolated strain, Zumi 95(T), was a Gram-reaction-negative, non-spore-forming and facultatively anaerobic chemo-organotroph. The major respiratory quinone was Q-10. The predominant fatty acids were C18 : 1ω7c
Jianwen Hao et al.
Journal of hazardous materials, 244-245, 348-356 (2012-12-29)
By changing -COOH content in poly(acrylic acid-co-methacryloxypropyl trimethoxy silane (poly(AA-co-γ-MPS)), a series of PVA/SiO(2) cation exchange membranes are prepared from sol-gel process of poly(AA-co-γ-MPS) in presence of poly(vinyl alcohol) (PVA). The membranes have the initial decomposition temperature (IDT) values of
SuRak Eo et al.
Journal of plastic, reconstructive & aesthetic surgery : JPRAS, 68(1), 104-112 (2014-12-03)
Fifteen rabbits were used to assess the effect of Lipo-PGE1 on neovascularization. Merocel(®) and Alloderm(®) of the same size were implanted separately under the back skin to act as matrices for vessel growth. Lipo-PGE1 was injected intravenously for 2 weeks
Influence of storage temperature and moisture on the performance of microsphere/hydrogel composites.
Yan Wang et al.
International journal of pharmaceutics, 454(1), 310-315 (2013-07-03)
The current study involved investigation of the effect of storage temperature and moisture on the performance of poly(lactide-co-glycolide) (PLGA) microsphere/poly(vinyl-alcohol) (PVA) hydrogel composites. Physical aging occurred in composites stored at 25°C due to structural relaxation. The glass transition temperature (Tg)
E Fortunati et al.
Carbohydrate polymers, 97(2), 825-836 (2013-08-06)
PVA bio-nanocomposites reinforced with cellulose nanocrystals (CNC) extracted from commercial microcrystalline cellulose (MCC) and from two types of natural fibres, Phormium tenax and Flax of the Belinka variety, were produced by solvent casting in water. Morphological, thermal, mechanical and transparency
Ezzatollah Fathi et al.
Journal of tissue engineering and regenerative medicine, 7(9), 697-707 (2012-06-08)
Hydrogels are currently used as interesting constructs for the delivery of proteins. In this study, a novel polyvinyl alcohol-dextran (PVA-Dex) blend hydrogel was used for controlled delivery of basic-fibroblast growth factor (bFGF). These biocompatible constructs were sutured to the epicardium
Jie Xue et al.
Journal of photochemistry and photobiology. B, Biology, 119, 31-36 (2013-01-15)
Synthetic adhesives inspired by marine mussel have attracted great attention due to its excellent water-resistance and good biocompatibility. In this study, a photocrosslinkable bioadhesive containing 3,4-Dihydroxy-l-phenylalanine (DOPA) functional group, which is central to curing mussel adhesive proteins, was prepared by
Yani Guo et al.
Journal of environmental science and health. Part A, Toxic/hazardous substances & environmental engineering, 48(5), 518-525 (2013-02-07)
The degradation characteristics of the new mixed strains isolated from a de-sizing process which could degrade PVA thoroughly were studied. The interrelation of seven kinds of single bacterium separated from mixed strains was studied through combination experiments. The degradation process
Maneesh Jaiswal et al.
Journal of biomedical nanotechnology, 9(9), 1495-1508 (2013-08-29)
Present investigation involves the development of a bi-layer dressing of gelatin nanofibrous mat loaded with epigallocatechin gallate (EGCG)/poly vinyl alcohol (PVA) hydrogel and its in-vivo evaluation on full-thickness excision wounds in experimental Wistar rats. Nanomorphological observation, porosity, effect of crosslinking
Yingying Sun et al.
Environmental science and pollution research international, 20(8), 5797-5805 (2013-03-09)
Centrifugal mother liquid (CML) is one of the main sources of wastewater produced during the production of polyvinyl chloride in chlor-alkali industry. CML is a typical poorly biodegradable organic wastewater, containing many kinds of refractory pollutants. Specifically, it contains dissolved
Vassiliki A Kosma et al.
Materials science & engineering. C, Materials for biological applications, 33(4), 2175-2191 (2013-03-19)
Solution growth of apatite its precursors in the presence of urea commercial gelatin is found to lead, under appropriate conditions, to a rich spectrum of morphologies, among them high aspect ratio needles in uniform sturdy spherulitic assemblies resulting from a
Selby Maphutha et al.
Scientific reports, 3, 1509-1509 (2013-03-23)
A carbon nanotube (CNT) integrated polymer composite membrane with a polyvinyl alcohol barrier layer has been prepared to separate oil from water for treatment of oil-containing waste water. The CNTs were synthesised using chemical vapour deposition, and a phase inversion
Ayşegül Verim et al.
The Laryngoscope, 124(7), 1529-1535 (2013-11-29)
To analyze the differences between biodegradable and nondegradable nasal dressings with regard to their effects on wound healing in the short and medium term and on surgical outcomes in the long term, after endoscopic sinus surgery (ESS). A prospective, randomized
Inna Y Stetciura et al.
Langmuir : the ACS journal of surfaces and colloids, 29(12), 4140-4147 (2013-03-09)
Surface-enhanced Raman scattering (SERS) microspectroscopy is a very promising label-free, noncontact, and nondestructive method for real-time monitoring of extracellular matrix (ECM) development and cell integration in scaffolds for tissue engineering. Here, we prepare a new type of micrometer-sized SERS substrate
D Ballah et al.
Clinical radiology, 68(11), 1097-1106 (2013-08-06)
To evaluate the relationship between intraoperative blood loss and juvenile nasopharyngeal angiofibroma (JNA) vascular supply and tumour stage in patients who underwent superselective external carotid artery (ECA) embolization. This series is unique in that all embolizations were performed by dedicated
Lihong Chen et al.
Environmental science and pollution research international, 20(9), 6085-6095 (2013-03-29)
An environmentally friendly and inexpensive substitute to the widely used poly(vinyl alcohol) (PVA) has been developed from soy proteins for textile warp sizing. Textile processing is the major source of industrial water pollution across the world, and sizing and desizing
Sungmin Woo et al.
Radiology, 269(2), 594-602 (2013-06-27)
To retrospectively compare safety and effectiveness of embolic agents polyvinyl alcohol (PVA) particles versus n-butyl-2-cyanoacrylate (NBCA) for bronchial artery embolization (BAE) for control of hemoptysis. Institutional review board approved this retrospective study; informed consent was waived. From January 2005 to
XiaoJun Zuo et al.
Carbohydrate polymers, 92(2), 2181-2186 (2013-02-13)
Novel poly(vinyl alcohol)/citric acid/chitosan (PVA/CA/CHT, PCC) beads were prepared as an adsorbent for the removal of trivalent chromium (Cr(3+)) in aqueous solutions. PCC beads with different mass ratios (I, II, III, IV, V, ad VI) between PVA/CA/CHT were evaluated for
Wei Li et al.
Carbohydrate polymers, 92(2), 2232-2238 (2013-02-13)
Poly(vinyl alcohol) (PVA)/sodium alginate (ALG)/organic rectorite (OREC) composite nanofibrous mats are fabricated by electrospinning aqueous solutions with different mixing ratios. Both good fiber shape and three-dimensional structure of nanofibrous mats can be observed by Field Emission Scanning Electron Microscopy. Energy-dispersive
Khoon S Lim et al.
Biomaterials, 34(29), 7097-7105 (2013-06-27)
Development of tissue engineering solutions for biomedical applications has driven the need for integration of biological signals into synthetic materials. Approaches to achieve this typically require chemical modification of the biological molecules. Examples include chemical grafting of synthetic polymers onto
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