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Showing 1-30 of 40 results for "645613" within Papers
Chung-Cherng Lin et al.
Journal of materials science. Materials in medicine, 23(2), 245-258 (2011-11-24)
The evolution of elastic properties and structure upon the change of CaO/P(2)O(5) ratio in SiO(2)-CaO-Na(2)O-P(2)O(5) glasses (45S5-derived and 55S4-derived) at ambient conditions has been studied by using both Brillouin and Raman spectroscopy coupled with X-ray diffraction. Under the same SiO(2)/Na(2)O
Yuxin Cai et al.
Materials (Basel, Switzerland), 12(10) (2019-05-22)
Drying shrinkage of alkali-activated slag concrete (AASC) is significantly greater than that of concrete made with ordinary Portland cement (OPC). It limits the large-scale application of AASC in field engineering. This study investigates the effect of early age-curing methods, including
Li Fang et al.
Journal of the Air & Waste Management Association (1995), 64(8), 887-893 (2014-09-05)
This paper presents an effective utilization of slag from acid leaching of coal-waste with a novel approach, namely low-temperature co-melting method, for preparation of sodium silicate (Na2O x nSiO2) using slag from acid leaching of coal-waste as feedstock. It is
D U Tulyaganov et al.
Journal of materials science. Materials in medicine, 22(2), 217-227 (2010-12-29)
New compositions of bioactive glasses are proposed in the CaO-MgO-SiO(2)-Na(2)O-P(2)O(5)-CaF(2) system. Mineralization tests with immersion of the investigated glasses in simulated body fluid (SBF) at 37°C showed that the glasses favour the surface formation of hydroxyapatite (HA) from the early
Plasma deposition of antimicrobial coating on organic polymer.
Rzanek-Boroch Z, et al.
The European Physical Journal - Applied Physics, 61(2), 24316-24316 (2013)
Ensanya A Abou Neel et al.
Journal of the Royal Society, Interface, 6(34), 435-446 (2008-10-02)
Owing to similarity in both ionic size and polarity, strontium (Sr2+) is known to behave in a comparable way to calcium (Ca2+), and its role in bone metabolism has been well documented as both anti-resorptive and bone forming. In this
J M Smith et al.
The Journal of chemical physics, 138(3), 034501-034501 (2013-01-25)
Calcium phosphate based biomaterials are extensively used in the context of tissue engineering: small changes in composition can lead to significant changes in properties allowing their use in a wide range of applications. Samples of composition (Al(2)O(3))(x)(Na(2)O)(0.11-x)(CaO)(0.445)(P(2)O(5))(0.445), where x =
H C Li et al.
Journal of colloid and interface science, 405, 296-304 (2013-06-20)
The partial substitution of MgO, TiO2, or CaF2 for CaO in the Na2O-CaO-SiO2-P2O5 (45S5) system was conducted by the sol-gel method and a comparative study on structural, mechanical properties, and bioactivity of the glasses was reported. Based on thermogravimetric and
G Lusvardi et al.
The journal of physical chemistry. B, 113(30), 10331-10338 (2009-07-04)
In this work, the glass transition temperature and chemical durability of bioactive phospho-silicate glasses were experimentally determined and correlated to the structural descriptor Fnet derived from classical molecular dynamics simulations. The replacement of CaF2 for Na2O in the parent glass
Chang-jun Liu et al.
Journal of environmental sciences (China), 19(10), 1166-1170 (2007-12-08)
Red mud is the waste of alumina industry and has high TiO2 and Fe2O3 content which are active components for the adsorption of anion pollutants. In this study, the uptake of phosphate by red mud activated by heat treatment and
Qi-Zhi Chen et al.
Acta biomaterialia, 6(10), 4143-4153 (2010-05-08)
The sol-gel process of producing SiO(2)-CaO bioactive glasses is well established, but problems remain with the poor mechanical properties of the amorphous form and the bioinertness of its crystalline counterpart. These properties may be improved by incorporating Na(2)O into bioactive
K Srinivasulu et al.
The journal of physical chemistry. A, 116(14), 3547-3555 (2012-03-14)
Electron paramagnetic resonance (EPR), optical absorption, and FT-IR spectra of vanadyl ions in the sodium-lead borophosphate (Na(2)O-PbO-B(2)O(3)-P(2)O(5)) (SLBP) glass system have been studied. EPR spectra of all the glass samples exhibit resonance signals characteristic of VO(2+) ions. The spin Hamiltonian
Yanyan Guo et al.
Optics letters, 37(2), 268-270 (2012-08-03)
The 2.7 μm emission properties in Er3+-doped bismuthate (Bi2O3-GeO2-Ga2O3-Na2O) glass were investigated in the present Letter. An intense 2.7 μm emission in Er3+-doped bismuthate glass was observed. It is found that Er3+-doped bismuthate glass possesses high spontaneous transition probability A
Mohammed S M Saleh et al.
Food research international (Ottawa, Ont.), 137, 109547-109547 (2020-11-26)
Fruit of salak (Salacca zalacca) is traditionally used and commercialized as an antidiabetic agent. However, the scientific evidence to prove this traditional use is lacking. This research was aimed to evaluate the metabolic changes of obese-diabetic (OBDC) rats treated with
Chin Xuan Tan et al.
Phytotherapy research : PTR, 32(11), 2264-2274 (2018-07-28)
Hypercholesterolemia is a major risk factor for the initiation and development of nonalcoholic fatty liver disease and atherosclerosis. The present study evaluated the hypocholesterolemic effect of virgin avocado oil (VAO) using urinary metabolomic method. Male Sprague-Dawley rats were fed high-cholesterol
Anne Mette Zenner Boisen et al.
Particle and fibre toxicology, 9, 19-19 (2012-06-05)
Particulate air pollution has been linked to an increased risk of cardiovascular disease and cancer. Animal studies have shown that inhalation of air particulates induces mutations in the male germline. Expanded simple tandem repeat (ESTR) loci in mice are sensitive
Yu-Kui Rui et al.
Guang pu xue yu guang pu fen xi = Guang pu, 28(11), 2703-2705 (2009-03-11)
Phosphate fertilizer is one of the most important fertilizers. The authors determined nine kinds of major elements in superphosphate, the most important phosphate fertilizer, by X-ray fluorescence spectrometry. The detection range of SiO2, Al2O3, TFe2O3, MnO, MgO, CaO, Na2O, K2O
M Gubler et al.
International endodontic journal, 41(8), 670-678 (2008-06-17)
To test whether bioactive glasses kill microbiota via mineralization or the release of ions other than sodium. Flame-spray synthesis was applied to produce nanometric glasses of different sodium content and constant Ca/P ratio: 28S5, 45S5 and 77S. Calcium hydroxide and
Qian Jiang et al.
Journal of agricultural and food chemistry, 67(21), 6019-6031 (2019-05-09)
Intestinal endoplasmic reticulum stress (ERS) triggered by adverse factors disturbs the normal function of the intestine. Allicin has been reported to promote intestinal health and development. In the present study, we established in vivo (35-day-old weaned piglets, 4-week-old mice) and
Masanobu Kamitakahara et al.
Journal of materials science. Materials in medicine, 20(12), 2419-2426 (2009-07-15)
A simulated body fluid (SBF) with ion concentrations similar to body fluid, proposed by Kokubo et al., is widely used to evaluate bone-bonding potential through the formation of an apatite layer. To be confident of the evaluation of the potential
Li Zhong et al.
Journal of hazardous materials, 172(2-3), 1629-1634 (2009-09-09)
A mild hydro-chemical process to extract Al(2)O(3) in red mud to produce sodium aluminate hydrate was investigated, and the optimum conditions of Al(2)O(3) extraction were verified by experiments as leaching in 45% NaOH solution with CaO-to-red mud mass ratio of
Zhen-Lin Wei et al.
Guang pu xue yu guang pu fen xi = Guang pu, 28(11), 2706-2707 (2009-03-11)
Many social problems arise from environmental pollution, cancer village is one of the many important problems caused by pollution. The authors selected a typical cancer village where 80-100 people died of cancer in the last five years, but there are
Gerard Klaver et al.
Environmental pollution (Barking, Essex : 1987), 148(3), 718-728 (2007-04-03)
Large hydropower dams have major impacts on flow regime, sediment transport and the characteristics of water and sediment in downstream rivers. The Gabcikovo and Iron Gate dams divide the studied Danube transect (rkm 1895-795) into three parts. In the Gabcikovo
Gianluca Malavasi et al.
The journal of physical chemistry. A, 111(34), 8401-8408 (2007-08-07)
The crystallization kinetics of Na(2)O.CaO.2SiO(2) (x = 0) and 0.68ZnO.Na(2)O.CaO.2SiO(2) (x = 0.68, where x is the ZnO stoichiometric coefficient in the glass formula) bioactive glasses have been studied using both nonisothermal and isothermal methods. The results obtained from isothermal
Andreas Breidbach et al.
Food chemistry, 201, 52-58 (2016-02-13)
Irradiation of food products and ingredients must be indicated by proper labeling. This study evaluated the appropriateness of the European Standard EN 1785:2003 for the detection of 2-alkylcyclobutanones, which are radiolysis products of fatty acids, in cashew nuts and nutmeg
Maria Grazia Raucci et al.
Journal of biomedical materials research. Part B, Applied biomaterials, 92(1), 102-110 (2009-10-06)
This study was performed to determine the in vitro biocompatibility of a bioactive, antibacterial silver based gel. A human osteoblast-like cell line (HOS TE85) was used to test cytocompatibility in the presence of eluants and the biological response in direct
T Raghavendra Rao et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 79(5), 1116-1122 (2011-06-10)
Optical and physical properties of Ni2+ doped 20ZnO+xLi2O+(30-x)Na2O+50B2O3 (5≤x≤25) glasses are carried out at room temperature. Powder XRD pattern of all the glass samples confirms the amorphous nature. Several physical parameters are evaluated for all the glasses with respect to
Manish Kumar Pal et al.
Anti-cancer agents in medicinal chemistry, 17(12), 1721-1732 (2017-04-27)
Ovarian cancer is most lethal among all gynecologic malignancies. Paclitaxel (PTX) is well used chemotherapeutic regimen for cancer control; however its undesired toxicity has been a matter of concern for clinicians. Here, we used the graphene oxide coated nanotised apigenin
I Lebecq et al.
Journal of biomedical materials research. Part A, 83(1), 156-168 (2007-03-29)
The bioactivity of 34 invert or conventional glasses in the P-free and P-containing Si-Ca-Na system was evaluated by examining the in vitro Hydroxy Carbonate Apatite (HCA) formation time. The silica content in the glasses varies between 39.48 and 55 mol
Jun Wang et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 72(1), 41-45 (2008-11-18)
The Eu(3+) ion was introduced into Er(3+) doped Bi(2)O(3)-GeO(2)-Ga(2)O(3)-Na(2)O (BGGN) glasses to improve the 1.5 microm band emission. As a function of Eu(2)O(3) doped content, we observed the increase in non-radiative decay rate of Er(3+) not only (4)I(11/2) energy level
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