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Showing 1-30 of 69 results for "431419" within Papers
Wanjing Li et al.
International journal of pharmaceutics, 495(2), 999-1004 (2015-10-13)
The purpose of this work was to investigate the distribution of water in a physically unstable amorphous solid dispersion (polyvinylpyrrolidone (PVP) and griseofulvin (as a model hydrophobic drug)), both as the sample absorbs water and during prolonged exposure to elevated
G Upender et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 89, 39-45 (2012-01-18)
X-ray diffraction (XRD), field emission scanning electron microscope (FESEM), energy dispersive X-ray spectrometry (EDS), differential scanning calorimetry (DSC), infrared (IR), Raman, electron paramagnetic resonance (EPR) and optical absorption studies on 10Li2O-xP2O5-(89-x)TeO2-1CuO glasses (where x=5, 10, 15, 20 and 25 mol%)
T D Tho et al.
The European physical journal. E, Soft matter, 35(1), 8-8 (2012-01-31)
To investigate the influence of cation mobility variation due to the mixed glass former effect, 0.45Li(2)O-(0.55-x)P(2)O(5)-xB(2)O(3) glasses (0≤x≤0.55) are studied keeping the molar ratio of Li(2)O/(P(2)O(5)+B(2)O(3)) constant. Addition of B(2)O(3) into lithium phosphate glasses increases the glass transition temperature (T(g))
Yan-Bo Luo et al.
Journal of chromatography. A, 1406, 1-9 (2015-06-21)
In this study, magnetic graphene was used as modified quick, easy, cheap, effective, rugged and safe (QuEChERS) adsorbent for the determination of organochlorine pesticide (OCPs) residues in tobacco. To achieve the optimum conditions of modified QuEChERS procedure toward target analytes
Eliakira Kisetu et al.
Pakistan journal of biological sciences : PJBS, 16(22), 1601-1604 (2014-02-12)
A screen-house pot experiment was conducted to assess the response of green gram (Vigna radiata L.) to the application of Minjingu Mazao fertilizer (31% P2O5) on Olasiti soil, Manyara Region-Tanzania. This study was prompted by very low or limited use
Devalina Ray et al.
Carbohydrate research, 346(14), 2145-2148 (2011-09-06)
A convenient, mild and environment-friendly dehydration reaction of fructose in ionic liquid using phosphorous pentoxide (P(2)O(5)) has been investigated. The acidic nature of P(2)O(5) along with its hygroscopic properties has been successfully utilized to afford 81.2% yield of 5-hydroxymethylfurfural (5-HMF)
S A Surwase et al.
European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V, 96, 32-43 (2015-06-21)
This study reports the potential of different polymers and polymer incorporation methods to inhibit crystallisation and maintain supersaturation of amorphous indomethacin (IND) in aqueous suspensions during storage. Three different polymers (poly(vinyl pyrrolidone) (PVP), hydroxypropyl methylcellulose (HPMC) and Soluplus® (SP)) were
Emad El-Meliegy et al.
Journal of materials science. Materials in medicine, 23(9), 2069-2080 (2012-06-01)
Osteoconductive bioglasses, free of K(2)O and Al(2)O(3) and with content of Na(2)O lower than 10 mol%, were designed based on the ratio (SiO(2) + MgO)/(P(2)O(5) + CaO + Na(2)O) in the system Na(2)O-CaO-MgO-P(2)O(5)-SiO(2). The developed glasses have shown a strong
Flame retardation behaviors of UV-curable phosphorus-containing PU coating system.
Wang SC, et al.
Journal of Polymer Engineering, 33(8), 749-756 (2013)
Radek Pohl et al.
Organic & biomolecular chemistry, 13(16), 4693-4705 (2015-03-24)
Systematic structure-activity studies on a diverse family of nucleoside phosphonic acids has led to the development of potent antiviral drugs such as HPMPC (CidofovirTM), PMEA (AdefovirTM), and PMPA (TenofovirTM), which are used in the treatment of CMV-induced retinitis, hepatitis B
Mina Heidarian Höckerfelt et al.
International journal of pharmaceutics, 477(1-2), 326-333 (2014-12-03)
The purpose of the research was to investigate the effect of moisture content of cellulose on the degradation of a drug in binary mixtures with cellulose. Physical mixtures of acetylsalicylic acid and two forms of cellulose, either microcrystalline cellulose or
Umile Gianfranco Spizzirri et al.
Pharmaceutical development and technology, 20(3), 288-296 (2013-12-03)
In this study, pH-responsive hydrogels, synthesized by the coupling reaction of polyacrylic acid and catechin, are proposed as carriers of oxidable drugs toward the GI tract. The presence of polyphenolic moieties in the network gives the polymers properties suitable for
Madeeha Riaz et al.
Journal of materials science. Materials in medicine, 26(12), 268-268 (2015-10-29)
The antibacterial activity of ZnO (0-15.53 mol%) based SiO2-CaO-P2O5-Na2O-CaF2 bioactive glass-ceramics synthesized by controlled crystallisation were studied against eight micro-organisms using modified Kirby Bauer method. The antibacterial activity of the specimens was statistically evaluated using one-way analysis of variance and
Richard I Ainsworth et al.
The Journal of chemical physics, 137(23), 234502-234502 (2012-12-27)
Molecular dynamics simulations of phosphate-based glasses P(2)O(5)-CaO-Na(2)O have been carried out, using an interatomic force field that has been parameterized to reproduce the structural and mechanical properties of crystalline phosphorus pentoxide, o(')(P(2)O(5))(∞) orthorhombic phase. Polarization effects have been included through
René L M Schils et al.
Journal of the science of food and agriculture, 95(15), 3015-3024 (2015-02-25)
In regions with intensive livestock systems, the processing of manure into liquid mineral concentrates is seen as an option to increase the nutrient use efficiency of manures. The agricultural sector anticipates that these products may in future be regarded as
Jae-Hyung Ahn et al.
Microbial ecology, 68(2), 271-283 (2014-04-01)
The effects of water-saving irrigation on emissions of greenhouse gases and soil prokaryotic communities were investigated in an experimental rice field. The water layer was kept at 1-2 cm in the water-saving (WS) irrigation treatment and at 6 cm in
Yujia Huang et al.
Journal of biomedical optics, 25(2), 1-12 (2020-02-28)
Ultrasound-assisted optical imaging techniques, such as ultrasound-modulated optical tomography, allow for imaging deep inside scattering media. In these modalities, a fraction of the photons passing through the ultrasound beam is modulated. The efficiency by which the photons are converted is
Hwan-Seo Park et al.
Environmental science & technology, 42(24), 9357-9362 (2009-01-30)
The molten salt waste from the pyroprocess is one of the problematic wastes to directly apply a conventional process such as vitrification or ceramization. This study suggested a novel method using a reactive material for metal chlorides at a molten
Lingting Ye et al.
Journal of colloid and interface science, 433, 156-162 (2014-08-16)
A facile and green one-pot method was used to synthesize Pt/TiO2/Graphene composites with ethanol as a reducing agent under microwave irradiation. The as-prepared composites were characterized by SEM, TEM, EDX, XPS, XRD and Raman. Electrocatalytic performance of the Pt/TiO2/GNs composites
Lizhen Liu et al.
Electrophoresis, 36(17), 2110-2119 (2015-06-03)
CE coupled with laser-induced fluorescence and UV absorption detections has been applied to study the complexity of as-synthesized green fluorescent hollow carbon nanoparticles (HC-NP) samples. The effects of pH, type, and concentration of the run buffer and SDS on the
Bikramjit Basu et al.
Journal of biomedical materials research. Part B, Applied biomaterials, 103(6), 1168-1179 (2014-10-11)
One of the desired properties for any new biomaterial composition is its long-term stability in a suitable animal model and such property cannot be appropriately assessed by performing short-term implantation studies. While hydroxyapatite (HA) or bioglass coated metallic biomaterials are
Ping-Jian Li et al.
Nano letters, 9(7), 2513-2518 (2009-07-09)
The single-crystal n-type and p-type ZnO nanowires (NWs) were synthesized via a chemical vapor deposition method, where phosphorus pentoxide was used as the dopant source. The electrical and photoluminescence studies reveal that phosphorus-doped ZnO NWs (ZnO:P NWs) can be changed
Gisela M Luz et al.
Nanotechnology, 22(49), 494014-494014 (2011-11-22)
Bioactive glass nanoparticles (BG-NPs), based on both ternary (SiO(2)-CaO-P(2)O(5)) and binary (SiO(2)-CaO) systems, were prepared via an optimized sol-gel method. The pH of preparation and the effect of heat treatment temperature were evaluated, as well as the effect of suppressing
Shan Zhao et al.
Journal of materials science. Materials in medicine, 22(2), 201-208 (2010-12-21)
Mesoporous bioactive glasses (MBGs) of the CaO-SiO(2)-P(2)O(5) system containing relatively high P(2)O(5) contents (10-30 mol%) were prepared from a sol-gel. An evaporation-induced self-assembly (EISA) technique was used with poly(ethylene oxide)-block-poly(propylene oxide)-block-poly(ethylene oxide) (EO(20)-PO(70)-EO(20), P123) acting as a template. The structural, morphological
S C Träber et al.
Radiation and environmental biophysics, 54(3), 265-272 (2015-05-20)
The aim of the present study was to determine the internal dose in humans after the ingestion of soil highly contaminated with uranium. Therefore, an in vitro solubility assay was performed to estimate the bioaccessibility of uranium for two types
Young-Kwan Kim et al.
Small (Weinheim an der Bergstrasse, Germany), 11(21), 2527-2535 (2015-01-30)
The paper reports a facile one-pot synthesis of core@shell nanoparticles (NPs) composed of Au core and graphene oxide nanocolloid (GON) shell. Unique properties of Au NPs and GON can be incorporated into a single nanohybrid structure to provide desirable functions
Richard I Ainsworth et al.
The Journal of chemical physics, 135(23), 234513-234513 (2011-12-24)
Quantum mechanical calculations of single crystal phosphorus pentoxide (P(2)O(5)) have been conducted using the plane-wave ultrasoft pseudopotential technique based on the density functional theory (DFT), in the generalized gradient approximation, with dispersive correction (DFT-D). The implementation of the dispersive correction
Mario Ledda et al.
Biomedical materials (Bristol, England), 10(3), 035005-035005 (2015-06-05)
In this work, titanium (Ti) supports have been coated with glass-ceramic films for possible applications as biomedical implant materials in regenerative medicine. For the film preparation, a pulsed laser deposition (PLD) technique has been applied. The RKKP glass-ceramic material, used
Ana Carolina Mazarin de Moraes et al.
International journal of nanomedicine, 10, 6847-6861 (2015-11-21)
Methicillin-resistant Staphylococcus aureus (MRSA) has been responsible for serious hospital infections worldwide. Nanomaterials are an alternative to conventional antibiotic compounds, because bacteria are unlikely to develop microbial resistance against nanomaterials. In the past decade, graphene oxide (GO) has emerged as
J K M F Daguano et al.
Journal of the mechanical behavior of biomedical materials, 14, 78-88 (2012-09-15)
The aim of this study is to report on the development and characterization of bioactive glass and glass-ceramics from the 3CaO.P(2)O(5)-SiO(2)-MgO-system, using different degrees of cristallinity for applications as an implant material. A methodology was proposed to induce crystallization of
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