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  • Electronic Resource  (19)
  • 2005-2009  (19)
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  • Electronic Resource  (19)
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  • 1
    Electronic Resource
    Electronic Resource
    Evaluation of biocompatibility of mineral trioxide aggregate with an improved rabbit ear chamber (2005)
    Oxford, UK : Blackwell Science Ltd
    Journal of oral rehabilitation 32 (2005), S. 0 
    Details
    ISSN: 1365-2842
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: summary  In the present study, the biocompatibility of mineral trioxide aggregate (MTA) to the revascularization of the connective tissues was evaluated by using the improved rabbit ear chamber, in vivo. Twenty improved rabbit ear chamber was prepared from 12 male albino-rabbit by using a well through which a material could be introduced into the living vascular tissue. Ten chambers were provided for MTA, and the remaining 10 chambers were used for a calcium hydroxide-containing root canal sealer (Sealapex), as a comparator. A volume of about 1·5 mm3 of the materials were inserted into the chamber and the interaction between the vascular tissue and materials was observed by using a biomicroscope immediately after application, at 1, 3, 5·5, 8, 24, 48, 72 h, and once a week up to 4 weeks. The results revealed that revascularization of connective tissue took place with complete recovery of microcirculation within 4 weeks in both MTA and Sealapex. However, the precipitate-barrier and brown zone around periphery of Sealapex was not observed in MTA treated samples. It can be concluded that MTA is biocompatible and does not produce any adverse site effect on microcirculation of the connective tissue.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2842.2004.01397.x
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  • 2
    Electronic Resource
    Electronic Resource
    Molecular characterization of two novel mutations causing factor X deficiency in a Chinese pedigree (2005)
    Oxford, UK : Blackwell Science Ltd
    Haemophilia 11 (2005), S. 0 
    Details
    ISSN: 1365-2516
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Summary.  Factor X (FX) deficiency is a rare bleeding disorder inherited as an autosomal recessive trait. In this study, we investigated the molecular basis of FX deficiency in a Chinese pedigree. The proposita showed a markedly prolonged activated partial thromboplastin time and a mild prolongation of prothrombin time. The levels of FX antigen and FX activity were 58.6% and 2.5%, respectively. Molecular analysis revealed that the proposita was compound heterozygous for two novel mutations: IVS1 + 1G 〉 A and G1185A (Arg347His). The aberrant transcripts from the IVS1 + 1G 〉 A mutant allele were not detected by analyzing the splicing pattern of ectopic transcripts in leukocytes of the patient with nested polymerase chain reaction after reverse transcription. We thus hypothesize that the mRNA molecules originating from the IVS1 + 1G 〉 A mutation were rapidly destroyed in vivo. Site-directed mutagenesis of FX cDNA was used to introduce FXG1185A mutation, and wild-type as well as mutant FX proteins were expressed by transient transfection in HEK 293 cells. Normal FX antigen levels both in the conditioned media of cells expressing the mutant and in cell lysates were detected by an enzyme-linked immunoadsorbent assay. Evaluation of wild-type and mutant coagulant activity demonstrated that the FX molecules carrying the Arg347His mutation have dramatically decreased activity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2516.2005.01063.x
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  • 3
    Electronic Resource
    Electronic Resource
    Genetic Segregation of Spontaneous Erosive Arthritis and Generalized Autoimmune Disease in the BXD2 Recombinant Inbred Strain of Mice (2005)
    Oxford, UK; Malden, USA : Blackwell Science Ltd
    Scandinavian journal of immunology 61 (2005), S. 0 
    Details
    ISSN: 1365-3083
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The BXD2 strain of mice is one of approximately 80 BXD recombinant inbred (RI) mouse strains derived from an intercross between C57BL/6J (B6) and DBA/2J (D2) strains. We have discovered that adult BXD2 mice spontaneously develop generalized autoimmune disease, including glomerulonephritis (GN), increased serum titres of rheumatoid factor (RF) and anti-DNA antibody, and a spontaneous erosive arthritis characterized by mononuclear cell infiltration, synovial hyperplasia, and bone and cartilage erosion. The features of lupus and arthritis developed by the BXD2 mice segregate in F2 mice generated by crossing BXD2 mice with the parental B6 and D2 strains. Genetic linkage analysis of the serum levels of anti-DNA and RF by using the BXD RI strains shows that the serum titers of anti-DNA and RF were influenced by a genetic locus on mouse chromosome (Chr) 2 near the marker D2Mit412 (78 cm, 163 Mb) and on Chr 4 near D4Mit146 (53.6 cm, 109 Mb), respectively. Both loci are close to the B-cell hyperactivity, lupus or GN susceptibility loci that have been identified previously. The results of our study suggest that the BXD2 strain of mice is a novel model for complex autoimmune disease that will be useful in identifying the mechanisms critical for the immunopathogenesis and genetic segregation of lupus and erosive arthritis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.0300-9475.2005.01548.x
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  • 4
    Electronic Resource
    Electronic Resource
    Characteristic dysfunction of stunned myocardium induced by 2,3-butanedione monoxime without ischaemia (2005)
    Oxford, UK : Blackwell Science Pty
    Clinical and experimental pharmacology and physiology 32 (2005), S. 0 
    Details
    ISSN: 1440-1681
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: 1. In the present study, we tested the hypothesis that, even in the absence of prior ischaemia, 2,3-butanedione monoxime (BDM), an inhibitor of contraction at the actin–myosin level, could produce the postischaemic dysfunction characteristic of stunned myocardium. 2,3-Butanedione monoxime was injected directly into the left anterior descending coronary artery (LAD) before and again after myocardial stunning produced by 15 min occlusion of the LAD followed by 30 min reperfusion.2. Regional myocardial force, segment shortening and regional work were measured in both the LAD-perfused area and the area perfused by the circumflex coronary artery, which served as a control area. Regional dysfunction produced by BDM injection or ischaemia–reperfusion was assessed quantitatively by five parameters: end-diastolic length (EDL), shortening onset delay (delay), systolic bulge (bulge), end-shortening time delay (EST) and tail work ratio (TWR).3. It was found that injection of BDM into the LAD caused dyskinesis similar to that caused by occlusion–reperfusion. Both displayed elevated EDL and marked increases in delay, bulge, EST and TWR; these parameters were significantly higher in the dyskinesis caused by BDM injection. Despite dysfunctional fibre shortening, intracoronary BDM injection did not reduce regional force.4. Thus, BDM can elicit changes similar to those characteristic of postischaemic dysfunction. Because contractility was not impaired, dysfunction was apparently caused by disrupting the association between contractile force and muscle motion.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1440-1681.2005.04292.x
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  • 5
    Electronic Resource
    Electronic Resource
    Feeding practices in 105 counties of rural China (2005)
    Oxford, UK : Blackwell Science Ltd
    Child 31 (2005), S. 0 
    Details
    ISSN: 1365-2214
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine , Psychology
    Notes: Background  China has the largest population in the world with more than 70% of the people living in rural areas. Over 34% of children under the age of 5 years are responded to show moderate or severe growth stunting, so United Nations International Children's Emergency Fund and Chinese Ministry of Health conducted this large-scale survey in China. This study aimed to learn the feeding practice, to find the problems in child-feeding practice and to provide evidence for the government to develop an approach to child malnutrition in rural China.Methods  A structured  questionnaire  was  used  to  survey  21 036  mothers  of  children  with  age  of 0–24 months.Results  Of the 20 915 children, 98.22% were breastfeeding and 24.36% were exclusively breastfeeding. The proportion of children with weekly protein intake was 78.47%. Among the infants under 4 months, the risk of pneumonia in the group of exclusive breastfeeding was 1.69%, while in the group of non-exclusive breastfeeding was 3.63%, showing a statistically significant difference between the two groups. The risk of diarrhoea in the group of exclusive breastfeeding and in the group of non-exclusive breastfeeding among the infants under 4 months was 24.37% and 40.86%, respectively, also showing a statistically significant difference between the two groups. For children with age 4–6 months, the complementary feeding contributed to a higher prevalence of diarrhoea, but not pneumonia.Conclusions  The breastfeeding was very common, but the exclusive breastfeeding was quite low and the exclusive breastfeeding for children under the age of 4 months decreased the risks of pneumonia and diarrhoea. For children with age 4–6 months, the exclusive breastfeeding could decrease the risk of diarrhoea, too. Protein intake was insufficient for children in rural China. The rural people lacked health knowledge and were greatly influenced by traditional feeding practices.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2214.2005.00523.x
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  • 6
    Electronic Resource
    Electronic Resource
    Comparison of Gel-forming Properties of Silver Carp (Hypophthalmichthys molitrix) Surimi Prepared in Different Seasons (2005)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 70 (2005), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: : The gel-forming properties of silver carp surimi made in different seasons were compared. Surimi prepared in winter and spring formed gel at 30°C, while autumn and summer surimi required a higher temperature of 40°C for gel formation. All surimi showed marked disintegration when incubated at 60°C. Ca2+-ATPase inactivation rate of myofibrils prepared from 4 surimi samples showed that myofibrils in autumn and summer surimi were much more stable than those in winter and spring surimi by about 10°C. These results demonstrated a close relationship between the gel-forming temperature of surimi and the thermal stability of myofibrils in surimi, namely that autumn and summer surimi containing stable myofibrils required higher temperature than winter and spring surimi for the gel formation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.2005.tb09961.x
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  • 7
    Electronic Resource
    Electronic Resource
    FTIR and XPS study of the reaction of phenyl isocyanate and cellulose with different moisture contents (2005)
    Bingley : Emerald
    Pigment & resin technology 34 (2005), S. 282-289 
    Details
    ISSN: 0369-9420
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Purpose - To evaluate the competing reaction of isocyanate with cellulose and water which can provide direction for further studies on bonding and curing reactions of isocyanate with wood. Design/methodology/approach - Two modern analytical techniques, Fourier transform infra-red (FTIR) and X-ray photoelectron spectroscopy (XPS), were used. The FTIR was used to identify the products of the reaction of phenyl isocyanate (PI) with alcohol, water, and cellulose; while the XPS was used to evaluate the proportions of isocyanate that reacted with water or cellulose when PI reacted with cellulose at different moisture contents (MCs), respectively. Findings - Methods for the IR identifications of reaction results of PI with n-propanol, water, and cellulose, in which the reactions of PI with water and PI with cellulose resulted in N,N'-diphenylurea and carbamate, respectively, were developed. It was discovered that the extent of reaction of isocyanate and cellulose decreased with increasing cellulose MC, and 92.98 per cent isocyanate reacted with water when 9.78 per cent MC was reached. It was confirmed that the products of the PI reaction were distributed mainly on the surface of the cellulose particles. Research limitations/implications - The study only focused on the reaction of PI. However, the industrial isocyanates, e.g. methylene diphenyl diisocyanate (MDI), polymerized methylene diphenyl diisocyanate (p-MDI) that have complexities in chemical structures and components, make analyses with FTIR and XPS impossible. Practical implications - The paper provides some instructive information about the isocyanate reaction that will help understanding the characteristics of isocyanate and guiding the design of technology bonding isocyanate to fibre, wood, etc. Originality/value - The application of FTIR and XPS for evaluating the reaction of isocyanate with cellulose having different MCs was novel and may be used as a reference for other relevant studies.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/03699420510620300
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  • 8
    Electronic Resource
    Electronic Resource
    PHYSICAL AND SENSORY CHARACTERISTICS OF LOW-FAT ITALIAN SAUSAGE PREPARED WITH HYDRATED OAT (2005)
    Oxford, UK and Malden, USA : Blackwell Science Inc
    Journal of food quality 28 (2005), S. 0 
    Details
    ISSN: 1745-4557
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Low-fat Italian sausage was prepared with hydrated oat flakes at 10, 20 and 30% (w/w), and precook times of 0, 2 and 4 min. Cook loss and expressible moisture, cutting force and texture profile analysis, color and consumer sensory analysis were analyzed by response-surface methodology. Minimum cook loss occurred at 16.3% of the hydrated oat and 0.76 min precook time, while expressible moisture decreased with increasing oat levels and decreasing precook time. In general, both cutting force and hardness decreased with hydrated oat level. Measurements of L*, a* and b* showed a slightly lighter product and a shift to more red and yellow cooked product at intermediate oat levels and precook times. For sensory attributes, both oat level and precook time were significant. Greatest flavor and texture likeability were attained with hydrated oat levels of 3–12%, and precook times of 1.5–3 min. Greatest overall likeability occurred over a region of 0–14% hydrated oat, and 1.1–3.3 min precook time.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1745-4557.2005.00010.x
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  • 9
    Electronic Resource
    Electronic Resource
    The Application Research of Virtual Prototyping Technology in the Design of Oil Field Pumping Units (2008)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 392-394 (Oct. 2008), p. 464-470 
    Details
    ISSN: 1013-9826
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Regulating diameter-variable moment pumping unit as the research object. which beenanalysed by virtual prototyping technology, by this way, the application ways and realization meansof virtual prototyping technology is explored in this field.The virtual prototyping technology isintroduced into the dynamic characteristics analysis and optimization for pumping units, and the 3DCAD software, multibody system dynamics analysis software and finite element analysis softwarewere combined. The digital physical prototype for pumping units is established by UG software;ADAMS was Used to establish the function virtual prototype and virtual test system, to develop thetest analysis and optimize its structure parameters according to the movement requirements forpumping units; The finite element analysis of the pumping unit parts is processed in the ANSYSenvironment, and structural design is optimized in accordance with the stress distributioncharacteristics of pumping components. In this paper, CAD and CAE technology are used with closecombination, the pumping units dynamics analysis and simulation is developed from the systemicperspective. The research has the characteristics of high precision analysis, wide range ofapplications and good practical value
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/57/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.392-394.464.pdf
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  • 10
    Electronic Resource
    Electronic Resource
    Effects of Chemical Compositions of the Submerged Arc Welding Wires on Impact Toughness of the Weld Metals for the Pipeline Steel (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 353-358 (Sept. 2007), p. 385-388 
    Details
    ISSN: 1013-9826
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: With the development of high toughness pipeline, it is necessary to develop new weldingwires for high-efficiency submerged-arc welding, to produce weld metals whose properties canmatch corresponding ones of the base metal, such as strength, toughness, H2S corrosion resistance,etc. In this paper, the weld wires with variations of elements have been designed, and the effects ofalloy elements on the microstructures and low temperature impact toughness are discussed
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/55/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.353-358.385.pdf
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