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Relevant bibliographies by topics / Sol-Gel/Centrifugation

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Journal articles
Dissertations / Theses
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Academic literature on the topic 'Sol-Gel/Centrifugation'

Author: Grafiati

Published: 1 June 2024

Last updated: 31 July 2025

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Journal articles on the topic "Sol-Gel/Centrifugation"

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WICKSTRÖM, Claes, Cecilia CHRISTERSSON, Julia R. DAVIES, and Ingemar CARLSTEDT. "Macromolecular organization of saliva: identification of ‘insoluble’ MUC5B assemblies and non-mucin proteins in the gel phase." Biochemical Journal 351, no. 2 (2000): 421–28. http://dx.doi.org/10.1042/bj3510421.

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Stimulated human submandibular/sublingual (HSMSL) and whole saliva were separated into sol and gel phases and mucins were isolated by density-gradient centrifugation in CsCl/4M guanidinium chloride. MUC5B and MUC7 were identified using anti-peptide antisera raised against sequences within the MUC5B and MUC7 apoproteins respectively. MUC7 was found mainly in the sol phase of both HSMSL and whole saliva, but some MUC7 was consistently present in the gel phase, suggesting that this mucin may interact with the salivary gel matrix. In HSMSL saliva, MUC5B was found in the gel phase; however, most of

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DAVIES, Julia R., Naila SVITACHEVA, Louise LANNEFORS, Ragnhild KORNFÄLT, and Ingemar CARLSTEDT. "Identification of MUC5B, MUC5AC and small amounts of MUC2 mucins in cystic fibrosis airway secretions." Biochemical Journal 344, no. 2 (1999): 321–30. http://dx.doi.org/10.1042/bj3440321.

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To investigate the genetic identities of the mucins secreted in cystic fibrosis (CF) airways, sputum was collected from five individuals. Samples were separated into gel and sol phases by high-speed centrifugation and the gel phase was extracted in 6 M guanidinium chloride. The ‘insoluble’ residue remaining after extraction of the gel phase was brought into solution by reduction/alkylation. Density-gradient centrifugation in CsCl revealed polydisperse distributions of sialic acid-containing mucins in the gel phase, insoluble residue and sol phase fractions and the degree of variation between t

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HOVENBERG, Hans W., Ingemar CARLSTEDT, and Julia R. DAVIES. "Mucus glycoproteins in bovine trachea: identification of the major mucin populations in respiratory secretions and investigation of their tissue origins." Biochemical Journal 321, no. 1 (1997): 117–24. http://dx.doi.org/10.1042/bj3210117.

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Bovine respiratory secretions were separated into gel and sol phases to allow the identification of the gel-forming mucins. Mucins were subsequently isolated from the surface epithelium and submucosal tissue to investigate the tissue origins of the species in the secretions. Density-gradient centrifugation revealed ‘high-density’ and ‘low-density’ mucins in the gel phase of the secretions. The ‘high-density’ mucins were large, composed of subunits joined by disulphide bonds and contained two highly glycosylated domains of apparently different lengths, whereas the ‘low-density’ mucins were smal

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Thornton, D. J., J. K. Sheehan, H. Lindgren, and I. Carlstedt. "Mucus glycoproteins from cystic fibrotic sputum. Macromolecular properties and structural ‘architecture’." Biochemical Journal 276, no. 3 (1991): 667–75. http://dx.doi.org/10.1042/bj2760667.

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Mucus glycoproteins (mucins) were isolated from sputum of patients with cystic fibrosis (CF) after separation into sol and gel phases. The mucus gel was solubilized with gentle stirring in 6 M-guanidinium chloride supplemented with proteinase inhibitors, and purification of mucins was subsequently achieved by isopycnic density-gradient centrifugation in CsCl/guanidinium chloride. Density-gradient centrifugation also revealed a heterogeneity of the macromolecules, the pattern of which varied between individuals, and mucins from the gel phase was pooled as ‘heavy’ and ‘light’ fractions. Gel chro

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Alias, S. S., A. B. Ismail, and A. A. Mohamad. "Effect of pH on ZnO nanoparticle properties synthesized by sol–gel centrifugation." Journal of Alloys and Compounds 499, no. 2 (2010): 231–37. http://dx.doi.org/10.1016/j.jallcom.2010.03.174.

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Davies, J. R., J. T. Gallagher, P. S. Richardson, J. K. Sheehan, and I. Carlstedt. "Mucins in cat airway secretions." Biochemical Journal 275, no. 3 (1991): 663–69. http://dx.doi.org/10.1042/bj2750663.

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Mucous secretions were obtained from cat tracheas that had received [3H]glucose and [35S]sulphate to radiolabel mucus glycoproteins biosynthetically. Samples were collected under resting (‘basal’) conditions as well as after pilocarpine stimulation and were separated into gel and sol phases by centrifugation. Macromolecules were partially purified by using gel chromatography on Sepharose CL-4B, and the species that were eluted with the void volume were then separated into two major populations with isopycnic density-gradient centrifugation in CsCl. The major component from the gel phase of pil

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Hu, Yu Long, Xiao Dong Zhang, Hong Fang Liu, and Xing Peng Guo. "High-Efficiency Preparation of N-Doped Titania with High Visible Light Photocatalytic Activity Using Composite N Precursor." Key Engineering Materials 645-646 (May 2015): 368–74. http://dx.doi.org/10.4028/www.scientific.net/kem.645-646.368.

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N-doped TiO2 nanoparticle powders were prepared efficiently by the sol-gel method using triethylamine and ammonium hydroxide as composite N precursor. The as-prepared N-doped TiO2 precursor powders were calcined at 300°C in air for 3 h and subsequently annealed at 300°C in air for 2.5 h. The samples were characterized by X-ray diffraction, transmission electron microscopy, Fourier transform infrared spectroscopy, thermo-gravimetric analysis, and X-ray photoelectron spectroscopy. The visible light photocatalytic activities of as-prepared samples were evaluated by photodecomposition of methyl or

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Pollert, E., O. Kaman, P. Veverka, et al. "Core–shell La 1− x Sr x MnO 3 nanoparticles as colloidal mediators for magnetic fluid hyperthermia." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 368, no. 1927 (2010): 4389–405. http://dx.doi.org/10.1098/rsta.2010.0123.

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Core–shell nanoparticles consisting of La 0.75 Sr 0.25 MnO 3 cores covered by silica were synthesized by a procedure consisting of several steps, including the sol–gel method in the presence of citric acid and ethylene glycol, thermal and mechanical treatment, encapsulation employing tetraethoxysilane and final separation by centrifugation in order to get the required size fraction. Morphological studies revealed well-separated particles that form a stable water suspension. Magnetic studies include magnetization measurements and investigation of the ferromagnetic–superparamagnetic–paramagnetic

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Hu, Xufeng, Han Sun, Xiaopeng Zhao, and Jianbo Yin. "Enhanced Electrorheological Polishing Efficiency of Alumina-Doped Titanium Dioxide Particles." Materials 16, no. 6 (2023): 2347. http://dx.doi.org/10.3390/ma16062347.

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Electrorheological (ER) polishing is a novel polishing technology having flexible and tunable characteristics. At present, ER polishing uses ER particles to drive abrasive particles to polish the material surface. Under the action of high-speed centrifugation, the abrasive particles are easily separated from ER particles due to their significantly different ER effect, and this can easily cause the degradation of polishing ability. In this work, alumina-doped titanium dioxide ER polishing particles were developed via a sol-gel method. As a classical abrasive, alumina has higher hardness and can

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Rembeza, E. S., T. V. Svistova, N. N. Kosheleva, et al. "Synthesis and Electrophysical Properties of Copper Oxide Films for Gas Sensors." Nano- i Mikrosistemnaya Tehnika 25, no. 2 (2023): 61–68. http://dx.doi.org/10.17587/nmst.25.61-68.

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Thin films of copper oxide were fabricated by sol-gel method. For the preparation of CuO thin films, a sol-gel method based on copper acetate (Cu(CH3COO)2•H2O), isopropyl alcohol (C3H8O) and diethylamine ((CH3CH2 )2NH) was used. The film was applied by centrifugation at a speed of 1500 rpm for 75 seconds. The films were applied in 2, 4, 8 layers with drying between layers for 10 minutes at 250 °C. The thermal probe method was used to determine the p-type of conductivity of the films. The films were annealed at temperatures of 300, 400, 500, 600 °C. By method of X-ray phase analysis, it was fou

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Dissertations / Theses on the topic "Sol-Gel/Centrifugation"

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Soares-Carvalho, Fernanda. "Elaboration de couches minces ferroélectriques de titanate de bismuth Bi4Ti3O12." Limoges, 1996. http://www.theses.fr/1996LIMOA001.

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Mezzourh, Hanane. "Étude et élaboration de matériaux ferroélectriques sans plomb sous forme de céramiques et films minces pour le stockage de l'énergie électrique et le refroidissement électrocalorique." Electronic Thesis or Diss., Amiens, 2022. http://www.theses.fr/2022AMIE0044.

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Les enjeux énergétiques ont pris une importance considérable dans notre vie quotidienne. Ils doivent répondre en effet au double défi du besoin croissant d'énergie et des considérations environnementales et écologiques. Bien que l'énergie fossile présente des avantages indéniables, ses défauts poussent constamment la recherche vers des solutions alternatives. Dans cette course, des matériaux écologiques et performants sont toujours recherchés en vue du développement des condensateurs de stockage d'énergie et des dispositifs de refroidissement électrocalorique (EC). On outre, le contexte de la

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Legrand-Buscema, Caroline. "Préparation de SrBi2Nb2O9 par voie sol-gel : cristallisation des poudres et couches minces épitaxiées." Limoges, 2000. http://www.theses.fr/2000LIMO0034.

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La tendance generale a la miniaturisation des dispositifs conduit de plus en plus a focaliser les recherches sur les materiaux fonctionnels en couches minces. Parmi ces materiaux, les ferroelectriques prennent une place de plus en plus importante notamment dans le domaine des memoires non volatiles. Si les pzt ont deja fait l'objet de nombreux travaux, les recherches sur les composes ferroelectriques a couches de bismuth ou phases d'aurivillius sont en plein essor en raison de leur resistance a la fatigue et de leur aptitude a conserver leur polarisation apres de nombreux cycles de fonctionnem

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Book chapters on the topic "Sol-Gel/Centrifugation"

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Alias, Siti Salwa, and Ahmad Azmin Mohamad. "ZnO: Effect of Centrifugation and Storage on Sol–Gel Process." In SpringerBriefs in Materials. Springer Singapore, 2013. http://dx.doi.org/10.1007/978-981-4560-77-1_3.

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Ripmeester, John A., and L. S. Kotlyar. "2H NMR and Gel Formation of the Ultrafine Solids Fraction Associated with the Athabasca Oil Sands Fine Tails." In Nuclear Magnetic Resonance Spectroscopy in Environment Chemistry. Oxford University Press, 1997. http://dx.doi.org/10.1093/oso/9780195097511.003.0017.

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The two oil sands plants operated by Syncrude Canada Ltd. and Suncor Canada Ltd. near Fort MacMurray, Alberta, use a hot water process for the separation of bitumen from oil sands. In brief, hot water and oil sands, with caustic soda as dispersing agent, are mixed thoroughly, and bitumen is floated to the top of the resulting slurry by streams of air. After secondary bitumen recovery, the remaining tailings are carried to ponds, where the coarse sands are used to form dikes, the fine tails are left to settle, and freed water is recycled. Typical production figures for the Syncrude plant are 39

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