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  • American Physical Society (APS)  (21)
  • Blackwell Publishing Ltd  (8)
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  • 1
    Electronic Resource
    Electronic Resource
    Extrusion Texturization of Air-Classified Pea Protein (1999)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 64 (1999), 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: Air-classified pea protein was texturized using a twin-screw extruder. The effects of moisture, screw speed and barrel temperature on the physical, functional and nutritional characteristics of texturized pea protein were investigated. Increased dough moisture increased product bulk density (BD) and available lysine (LYS) of texturized pea products, but decreased water-holding capacity (WHC) and in vitro protein digestibility (DIG). Raising the screw speed reduced BD and LYS of texturized pea protein, but increased WHC and DIG. Bulk density and LYS decreased as barrel temperature was increased, whereas WHC and DIG increased. Texturized pea protein resembled commercial texturized soy products with respect to most physical and functional properties.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1999.tb15073.x
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  • 2
    Electronic Resource
    Electronic Resource
    Growth, CO2 uptake, and responses of the carboxylating enzymes to inorganic carbon in two highly productive CAM species at current and doubled CO2 concentrations (1996)
    Oxford, UK : Blackwell Publishing Ltd
    Plant, cell & environment 19 (1996), S. 0 
    Details
    ISSN: 1365-3040
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: In Agave salmiana Otto ex Salm. var. salmiana grown for 4½ months in open-top chambers, 55% more leaves unfolded and 52% more fresh mass was produced at 730 than at 370μmol CO2 mol−1. A doubling of the CO2 concentration also stimulated growth in another highly productive CAM species, Opuntia ficus-indica (L.) Miller, leading to earlier initial ion and 37% more daughter cladodes. Substantial net CO2 uptake occurred earlier in the afternoon and lasted longer through the night for A. salmiana at 730 than at 370μmol CO2 mol−1, resulting in 59% more total daily net CO2 uptake. The Michaelis constant (HCO3−) for PEPCasc was 15% lower for A. salmiana and 44% lower for O. ficus-indica when the CO2 concentration was doubled; the percentage of Rubisco in the activated state in vivo was on average 64% higher at the doubled CO2 concentration. Thus the substantial increases in net CO2 uptake and biomass production that occurred in these two CAM species when the ambient CO2 concentration was doubled resulted mainly from higher inorganic carbon levels for their carboxylating enzymes, a greater substrate affinity for PEPCase, and a greater percentage of Rubisco in the activated state.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3040.1996.tb00392.x
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  • 3
    Electronic Resource
    Electronic Resource
    Fluoride supplements and caries in a non-fluoridated child population (1999)
    Oxford, UK : Blackwell Publishing Ltd
    Community dentistry and oral epidemiology 27 (1999), S. 0 
    Details
    ISSN: 1600-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: In Norway, there is no water fluoridation and little naturally occurring fluoride in drinking water. Fluoride toothpaste is used by 95% of the population and there is a long tradition of use of fluoride supplements. The purpose of this study was to analyse whether children who used fluoride toothpaste regularly and complied with the recommendations for use of fluoride supplements had less caries than other children at the age of 8 years. Most fluoride supplements sold in Norway are lozenge-type tablets, which allow for extended enamel exposure to fluoride. All children (n=551) born in 1988 living in a suburban community in Norway were invited to participate. In those who participated (n=470), caries was registered clinically and radiographically and parents provided data on use of supplements. Thirty-eight percent of the children had used fluoride supplements regularly during the period 0.5 to 4.0 years of age and 66% used supplements regularly at the age of 6 to 8 years. Multivariate analyses showed that the children complying with the recommendations for use of fluoride supplements during the period 0.5 to 4.0 years of age had lower caries experience (dmfs) and fewer decayed surfaces (ds) in primary teeth than other children. No significant associations were found between supplement use in childhood and caries prevalence (DMFS) or number of decayed surfaces (DS) in permanent teeth at the age of 8 years. Supplement use from 6 to 8 years of age was not associated with caries occurrence either in primary or in permanent teeth. Both mother's education and the quality of dental hygiene were inversely associated with caries occurrence.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0528.1999.tb02000.x
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  • 4
    Electronic Resource
    Electronic Resource
    Failure to induce over-compensation of growth in maturing yellow perch (2001)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish biology 59 (2001), S. 0 
    Details
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Unlike juvenile F1 male bluegill Lepomis macrochrus× female green sunfish L. cyanellus, maximized episodes of compensatory growth (CG) in 2 year yellow perch Perca flavescens did not surpass control masses because internal regulation caused abrupt appetite reduction upon catch-up. Together, the hybrid sunfish study and present work indicate that CG-maximizing feeding schedules and absence of an internal growth limiting mechanism are both required to produce substantial growth overcompensation (GOC). The less vigorous and less resilient CG responses of the yellow perch relative to those of the similarly fed hybrid sunfish appear indicative of the lack of GOC capacity in the former. This contrast, and results of previous studies are interpreted to suggest that GOC capacity may be limited to early life stages of fishes which have a substantial reproductive potential but are at high risk of mortality due to their small size. The possibility that GOC capacity is time-of-year-dependent and species-specific is considered also. Food deprivation periods that produced the strongest CG responses differed for male (2 days) and female (12 days) yellow perch. Among controls fed without restriction, growth rate and growth efficiency of female yellow perch exceeded those of males two-fold, however, males showed a greater capacity to catch-up to same-sex controls when undergoing CG. A feeding schedule using maintenance feeding v. food deprivation to elicit CG yielded the most rapid catch-up to control masses in the yellow perch. Such feeding schedules may produce even greater GOC than was achieved previously in hybrid sunfish, where feeding schedules involving food deprivation were employed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1095-8649.2001.tb02343.x
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  • 5
    Electronic Resource
    Electronic Resource
    Abundance, depth distribution, diet composition and growth of perch (Perca fluviatilis) and burbot (Lota lota) larvae and juveniles in the pelagic zone of Lake Constance (1998)
    Oxford, UK : Blackwell Publishing Ltd
    Ecology of freshwater fish 7 (1998), S. 0 
    Details
    ISSN: 1600-0633
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract— Surveys of larval and juvenile fish in the pelagic zone were made in Lake Constance between April and July 1994 with a plankton net. Perch (Perca fluviatilis) and burbot (Lota lota) were caught persistently, while other species were found only occasionally. Perch and burbot coexisted in the pelagic zone; both species were found first in mid-May, reached peak density in June, and disappeared from the pelagic zone in late July. However, the abundance of perch was much higher than that of burbot. Perch were distributed mainly near the surface, whereas burbot were more abundant at the deeper strata of 5 and 10 m, exhibiting habitat segregation. Perch fed mainly on copepods and positively selected them during their first month of life, and afterwards, they consumed principally on Daphnia, while burbot fed mainly on copepods and positively selected them throughout the study period. Perch grew significantly faster than burbot, and the mean lengths of perch were about 3 times greater than that of burbot in July. The results demonstrate that perch and burbot were the main species of pelagic larvae in Lake Constance between May and July, and that the two species differed somewhat in depth distribution, diet composition and growth.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0633.1998.tb00184.x
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  • 6
    Electronic Resource
    Electronic Resource
    Pasta-Like Product from Pea Flour by Twin-Screw Extrusion (1999)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 64 (1999), 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 effects of extrusion parameters on the characteristics of a pasta-like product were investigated. Increasing moisture content of the dough decreased brightness, bulk density, cooking loss and stickiness, but increased cooking time and firmness. Raising the barrel temperature increased cooking time, firmness and stickiness, but brightness, bulk density and cooking loss decreased. Increasing the screw speed increased cooking time, cooking loss, firmness and stickiness, but decreased brightness and bulk density. The product exhibited superior integrity, flavor, and texture after cooking, and less change after overcooking, compared to pasta-like products prepared from pea flour using a conventional pasta extruder.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1999.tb15108.x
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  • 7
    Electronic Resource
    Electronic Resource
    Effects of photoperiod, feeding regime and water temperature on the formation of daily growth increments in otoliths of larval pike (Esox lucius L.) (1992)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of applied ichthyology 8 (1992), S. 0 
    Details
    ISSN: 1439-0426
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Otolith growth increments of larval pike, Esox lucius L., were examined using known-age fish reared in the laboratory. Under different photoperiod, feeding, and temperature regimes, increments in the lapilli of all laboratory-reared fish were formed daily, starting on day 2–3 after hatching.〈section xml:id="abs1-2"〉〈title type="main"〉Zusammenfassung Der Einfluß van Photoperiode, Futterrhythmus und Wassertemperatur auf die Anlage von Otolithen-Tagesringen bei jungen Hechten (Esox luciusL.)Die Anlage von Tagesringen auf den Otolithen von Hechtlarven (Esox lucius L.) wurde unter verschie-denen Licht-, Futter- und Temperaturbedinungen im Labor untersucht. Bei allen Tieren setzte die Bildung von Tagesringen auf den Lapilli zwei lis dreiTage nach dem Schlüpfen ein.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1439-0426.1992.tb00690.x
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  • 8
    Electronic Resource
    Electronic Resource
    DEHYDRATION AND PROCESSING PROBLEMS OF TARO (1977)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 42 (1977), 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: Taro (Colocasia esculenta L. Schott.) is an underexploited root crop with promising economic value. A study was made to determine the feasibility of producing samples of taro (var. Lehua) in ration dense forms which will be stable at 38°C for a year or more, and to detect problems in dehydration and processing which would affect the palatability and storage quality of the dried products. Taro samples (5 mm thick slices) were freeze dried, air dried and solar dried, then stored in polyethylene bags at 21°C, 38°C and 60°C. Analyzed monthly, most samples showed small changes in acidity, some degradation in anthocyanins, some increase in moisture contents, and a rather large decrease in catalase activities. Taste panel evaluation of eating quality by multiple comparison test resulted in scores averaging 4.5/7.0 for all the dried samples while the control received 5.5/7.0. Energy value was about 4.0 Cal/g and gelatinization temperature was in the upper range as that of rice and slightly higher than wheat. Further assessments are being continued to determine if the physical form chosen was suitable for stability and acceptability tests, the preferred method of dehydration in terms of optimizing quality and energy requirements, and the effects of processing and storage on the eating qualities.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1977.tb12636.x
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  • 9
    facet.materialart.
    Unknown
    Anomalous organic magnetoresistance from competing carrier-spin-dependent interactions with localized electronic and nuclear spins (2014)
    American Physical Society (APS)
    Details
    Publication Date: 2014-08-22
    Description: Author(s): Y. Wang, N. J. Harmon, K. Sahin-Tiras, M. Wohlgenannt, and M. E. Flatté Spin transport in organic semiconductors has garnered increased interest in the last decade due in part to the large room temperature organic magnetoresistance (OMAR) effect. This effect originates from the nuclear interactions with bottlenecked carrier spin pairs which are suppressed by applied fields. In this article the authors describe a new regime for low-field magnetoresistance in organic semiconductors, in which the spin-relaxing effects of localized nuclear spins and electronic spins interfere. In addition to elucidating the fundamental mechanisms of OMAR, this result has implications for improving the design of organic-based devices. [Phys. Rev. B 90, 060204] Published Thu Aug 21, 2014
    Keywords: Inhomogeneous, disordered, and partially ordered systems
    Print ISSN: 1098-0121
    Electronic ISSN: 1095-3795
    Topics: Physics
    Published by American Physical Society (APS)
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  • 10
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    Radiative recombination of trapped excitons in Alq_{3} films: Importance of intermolecular interactions (2013)
    American Physical Society (APS)
    Details
    Publication Date: 2013-07-24
    Description: Author(s): A. M. Ajward, X. Wang, N. Wickremasinghe, L. A. A. DeSilva, and H. P. Wagner We investigate the light emission of optically excited tris(8-hydroxyquinolinato) aluminum (Alq 3 ) films by temperature-dependent, time-integrated, as well as time-resolved photoluminescence (PL) at various photon densities. The Alq 3 films are deposited on Si (001) substrate using organic molecular b... [Phys. Rev. B 88, 045205] Published Tue Jul 23, 2013
    Keywords: Semiconductors I: bulk
    Print ISSN: 1098-0121
    Electronic ISSN: 1095-3795
    Topics: Physics
    Published by American Physical Society (APS)
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