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  • 2000-2004  (4)
  • 1
    Electronic Resource
    Electronic Resource
    Marine Pseudoalteromonas sp. Composes Most of the Bacterial Population Developed in Oysters (Tiostrea chilensis) Spoiled During Storage (2002)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 67 (2002), 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: : To identify bacteria associated with spoilage in oysters, changes in both the load and composition of the bacterial community occurring in storage were followed. Oyster spoilage was accompanied by a 100-fold increase in the number of CFU. Molecular analysis revealed that a large proportion of the bacteria present in spoiled oysters possessed an intergenic 16S-23S rDNA spacer of approximately 400 bp. A spacer with the same size was also found in spoiled oysters of different origin and dates of harvest. The bacterial strains containing this spacer may constitute a common cause of the oyster spoilage. These strains were salt-dependent marine Pseudoalteromonas species and were probably present in oysters before harvest.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.2002.tb09544.x
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  • 2
    Electronic Resource
    Electronic Resource
    Perturbation of the Drazin inverse for closed linear operators (2000)
    Springer
    Integral equations and operator theory 36 (2000), S. 92-106 
    Details
    ISSN: 1420-8989
    Keywords: 47A10 ; 47A60 ; 34G10
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract We investigate the perturbation of the Drazin inverse of a closed linear operator recently introduced by second author and Tran, and derive explicit bounds for the perturbations under certain restrictions on the perturbing operators. We give applications to the solution of perturbed linear equations, to the asymptotic behaviour ofC 0-semigroups of linear operators, and to perturbed differential equations. As a special case of our results we recover recent perturbation theorems of Wei and Wang.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01236288
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    The health-related quality of life in eating disorders (2000)
    Springer
    Quality of life research 9 (2000), S. 667-674 
    Details
    ISSN: 1573-2649
    Keywords: Eating disorders ; Quality of life ; Patient outcomes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Objective: This study investigated the perception of health-related quality of life (HRQoL) in ambulatory patients with eating disorders in relation to the severity of eating symptomatology and psychological comorbidity. Methods: One hundred ninety-seven study patients were consecutively recruited at the Eating Disorders Outpatient Clinic. Short Form-36 items (SF-36), a generic HRQoL questionnaire, the Eating Attitudes Test (EAT-40), and the Hospital Anxiety and Depression Scale (HAD) were used to measure different aspects of HRQoL. The results of the SF-36 were compared with the norms of the Spanish general population for women 18–34 years of age. Results: Patients with eating disorders were more dysfunctional in all areas of the SF-36 compared with women in the general population. There were no differences among the eating disorder diagnostic groups. Higher scores on the EAT-40 and the HAD were associated with a perception of greater impairment on all SF-36 subscales. Conclusion: The evaluation of HRQoL in these patients confirms the impact of these disorders on daily life in areas not directly related to eating disorders. The SF-36 is useful for discriminating among different levels of severity of eating disorders and other psychological comorbidities of these patients.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008973106611
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Immunoblot analysis of IgA antibodies to Naegleria fowleri in human saliva and serum (2000)
    Springer
    Parasitology research 86 (2000), S. 775-780 
    Details
    ISSN: 1432-1955
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The objective of this study was to evaluate the secretory IgA (SIgA) antibody response to Naegleria fowleri (Nf) in individuals living in a parasite endemic area. Saliva and serum samples were obtained from both healthy subjects and patients suffering from a respiratory illness (chronic bronchitis or rhinitis) and were analyzed by immunoblot assay. SIgA from the patients' samples recognized more intensely a greater number of Nf proteins than did SIgA from the healthy control group. The proteins more frequently recognized were those with a molecular weight of 171, 107, 102, 62, 50, 46, and 10 kDa. Some IgA antibodies recognized proteins from Nf and Entamoeba histolytica (Eh) of similar molecular weight. These results suggest that some of those antibodies could have been elicited by a previous intestinal infection with Eh. Through the common mucosal immune system the IgA B-cells activated by Eh antigens can be disseminated to all the mucosae, including the nasal mucosa. SIgA antibodies recognizing Nf proteins, induced either by specific immunization or by cross-reaction, could participate in the resistance to the infection, probably by inhibiting the adherence of Nf trophozoites to the nasal mucosa.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004360000243
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    Paper (German National Licenses)
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