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  • 1
    Electronic Resource
    Electronic Resource
    Saratoga Springs and Early Hydrogeochemistry in the United States (1997)
    Oxford, UK : Blackwell Publishing Ltd
    Ground water 35 (1997), S. 0 
    Details
    ISSN: 1745-6584
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geosciences
    Notes: The earliest quantitative chemical analysis of ground water from the United States was probably made during 1807. The largest number of early analyses were of water from various mineral springs in and near the towns of Ballston and Saratoga Springs, New York. Although most of the scientific and economic interest at the time centered on the reported health benefits from the water, some of the earliest reports describing the springs contained rudimentary yet scientifically based hydrogeochemical explanations for the dissolved constitutents in the water. One motivation for the early analytical work was the desire to concoct a dry mixture of chemicals that would duplicate the mineral water when mixed with ordinary drinking water. The use of a powder would simplify distribution and bypass dealing with owners of the springs. Early analyses of water from Congress Spring published by different individuals between 1817 and 1856 are similar, and if allowance is made for minor temporal changes in quality, the results would be considered useful even by modern standards.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1745-6584.1997.tb00092.x
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  • 2
    Electronic Resource
    Electronic Resource
    Microwave-Heating Temperature Profiles for Thin Slabs Compared to Maxwell and Lambert Law Predictions (1995)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 60 (1995), 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: Slabs of agar gel were heated in a microwave oven. Temperatures were measured at various depths into the sample to experimentally determine the internal temperature profile. These were compared to power and temperature profiles predicted from Lambert's law, Maxwell's field equations and a Combined equation. Lambert's law and the Combined equation predicted a much slower heating rate than found experimentally, while Maxwell's field equations gave a much more accurate prediction. Because of the internal standing waves that are created, a small variation in sample thickness could make a large difference in heating rate for thin samples.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1995.tb06309.x
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  • 3
    Electronic Resource
    Electronic Resource
    Power Absorption During Microwave Heating of Emulsions and Layered Systems (1995)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 60 (1995), 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: Microwave oven heating rates of various oil-in-water emulsions, water-in-oil emulsions, and layered systems were compared. Emulsions heated faster than corresponding layered systems, which heated faster than a calculated weighted average of individual components. Differences were attributed to increased power absorption caused by the large number of interfaces occurring in emulsions, or by a single interface in the layered system, and by resonant absorption of microwave radiation, which is determined by dielectric properties. The types and proportions of emulsions determined the number of interfaces. The dielectric properties and sample size determined in which samples resonant absorption occurred.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1995.tb06308.x
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  • 4
    Electronic Resource
    Electronic Resource
    Filtration Experiments of Henry Darcy (1994)
    Oxford, UK : Blackwell Publishing Ltd
    Ground water 32 (1994), S. 0 
    Details
    ISSN: 1745-6584
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geosciences
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1745-6584.1994.tb00926.x
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  • 5
    Electronic Resource
    Electronic Resource
    LOS ANGELES AFTER THE STORM: THE DIALECTIC OF ORDINARY DISASTER (1995)
    Oxford, UK : Blackwell Publishing Ltd
    Antipode 27 (1995), S. 0 
    Details
    ISSN: 1467-8330
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geography
    Notes: This article weighs recent scientific evidence that the urbanization of Southern California has taken place during one of the most unusual episodes of climatic and seismic benignity in the last 3500 years. Official disaster and resource planning, moreover, has been based on record-keeping shorter than the temporal wavelengths of the most important landscape processes. Indeed, the “biblical” flood, fire, and earthquake disasters of the last three years may only be a prelude to seismic and climatic events of far greater magnitude. What will be the future of the Los Angeles area if Congress refuses to continue federal disaster subsidies?
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1467-8330.1995.tb00276.x
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  • 6
    Electronic Resource
    Electronic Resource
    DNA sequence homology between attB-related sites of Corynebacterium diphtheriae, Corynebacterium ulcerans, Corynebacterium glutamicum, and the attP side of γ-Cornephage (1990)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 66 (1990), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract Chromosomal restriction fragments of Corynebacterium ulcerans and C. diphtheriae, containing an integration site for corynephages of the β family, show homology on Southern blots. Homologous DNA in also found in the soil isolate C. glutamicum, although this strain is not susceptible to gb-corynephages. Three of these DNA fragments, one for each bacterial strain, and a fragment of γ-corynephage DNA previously shown to contain the phage integration site, were cloned and sequenced. Alignment of the 3 bacterial sequences shows a very high degreee of homology in a stretch of ca 120 nucleotides, whereas the rest of the sequences is generally non-homologous. Within this common bacterial portion, a segment of ca. 96 nucleotides (core sequence) is also highly homologous to the plague sequence. The first half (ca. 50 bp) of the core sequence is identical in all aligned sequences whereas the second half, which is largely occupied by a stem-and-loop structure, contains point mutations peculiar to each clone. The described sequences are likely to be involved in phage integration/excision processes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.1990.tb04015.x
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  • 7
    Electronic Resource
    Electronic Resource
    Genetic characterisation of the botulinum toxin complex of Clostridium botulinum strain NCTC 2916 (1996)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 140 (1996), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract An 8 kb segment of the Clostridium botulinum NCTC 2916 genome 5′ to the type A botulinum neurotoxin gene has been sequenced revealing five open reading frames. Four encode components (HA70, HA17, HA34 and NTNH/A) of the progenitor toxin complex. The product of the fifth, OrfX, possesses a putative C-terminal helix-turn-helix motif, exhibits homology with known regulatory proteins (including MsmR from Streptococcus mutans, UviA from C. perfringens and Orftxe1 located upstream of the C. difficile toxin B gene) and is also found within the vicinity of genes encoding tetanus toxin and types B, C, D and G botulinum toxins. Primer extension and Northern blotting analysis demonstrate that the genes are expressed as two divergent opérons [HA34, HA17, HA70] and [NTNH/A, type A toxin gene], with the OrfX gene expressed singly. Immediately adjacent to the transcriptional start sites of the HA34 and NTNH/A genes are two highly conserved motifs (5′-ATTTTagGTTTACAAAA-3′ and 5′-ATGTTATATgTaA-3′), separated by 12 bp, that span the putative − 35 and −10 promoter regions. Homologous sequences occur in the equivalent position relative to the genes at type C botulinum toxin gene and the tetanus toxin gene loci. It is likely that these sequence motifs, together with OrfX, are involved in the co-ordinate expression of the genes encoding the various components of the botulinum toxin complex in groups I, III and IV C. botulinum strains and in that of the tetanus toxin gene.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.1996.tb08329.x
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  • 8
    Electronic Resource
    Electronic Resource
    Localization of an origin of replication in Corynebacterium diphtheriae broad host range plasmid pNG2 that also functions in Escherichia coli (1990)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 66 (1990), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract Subcloning and protoplast transformation studies identified a 2.6 kb fragment of Corynebacteriumdiphtheriae plasmid pNG2 which contains an origin of replication (oriR). Molecular combination of the 2.6 kb oriR cartridge with Escherichia coli plasmid pUC18CmR enabled the E. coli cloning vector to replicate within several species of Corynebacterium host cells. A 2.6 kb plasmid formed from the oriR cartridge alone is capable of replicating in E. coli. This suggests that a single origin could be used in vectors shuttling between Corynebacterium spp. and E. coli.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.1990.tb03982.x
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  • 9
    Electronic Resource
    Electronic Resource
    Sanitizing Effects of Fruit Waxes at High pH and Temperature on Orange Surfaces Inoculated with Escherichia coli (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: We determined the bactericidal activity of surface applied waxes on oranges. Effective bactericidal activity of combined alkali and heat treatments was observed on both glass slides and orange fruit surfaces. A five log reduction of Escherichia coli was attained by dipping inoculated glass slides in heated (≥50°C) alkaline (pH 10) wax solution for 4 min. A pH 11, dipping at ≥50°C for ≥2 min achieved similar bactericidal effects. On the fruit surface, wax treatments were effective at the non-stem scar area. Thus, applied fruit waxes may be useful on raw agricultural commodities to reduce surface microbial contaminants.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1999.tb15900.x
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  • 10
    Electronic Resource
    Electronic Resource
    cDNA and Genomic Clones Encoding the Human Muscle Acetylcholine Receptor (1993)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 681 (1993), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1993.tb22882.x
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