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Sökning: LAR1:gu > (2010) > Tidskriftsartikel > Högskolan Kristianstad

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1.
  • Holm, K., et al. (författare)
  • Functional properties of proteins from the coelomic fluid of the wounded sea star Asterias rubens (L)
  • 2010
  • Ingår i: Journal of Invertebrate Pathology. - : Academic Press Inc.. - 0022-2011 .- 1096-0805. ; 105, s. 197-199
  • Tidskriftsartikel (refereegranskat)abstract
    • Impact on viability and adhesion of three protein fractions, separated by size, from the coelomic fluid of wounded Asterias rubens′, was tested on autologous coelomocytes. In addition antimicrobial property of the protein fractions was tested on the Gram-negative bacterium Vibrio parahaemolyticus. All fractions promoted viability and the larger proteins facilitated adhesion of the coelomocytes. The strongest antimicrobial effect was caused by the fraction with the smallest proteins.
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2.
  • Rehnstam-Holm, Ann-Sofi, 1959, et al. (författare)
  • Association between Phytoplankton and Vibrio spp along the southwest coast of India- a mesocosm experiment.
  • 2010
  • Ingår i: Aquatic Microbial Ecology. - : Inter-Research. - 0948-3055 .- 1616-1564. ; 58, s. 127-139
  • Tidskriftsartikel (refereegranskat)abstract
    • We report the results from a mesocosm study investigating the interrelationship between microalgae and vibrios. The mesocosms were inoculated with plankton, plankton + sediment, or sediment. We followed the diatom bloom and increases in the abundance of Vibrio spp. and V parahaemolyticus in conjunction with several environmental variables in all mesocosms and at a reference site. The dominating diatom genera were also identified. Temperature, salinity, and pH were nearly invariant in the mesocosms and did not contribute to the results. The principal environmental variables that correlated to vibrio abundance were total bacterial plate counts, phosphorus and ammonia (positive relationship), and oxygen and silica (negative). Nitrate, total bacterial counts and chlorophyll a (chl a) did not correlate with vibrio growth. The highest diatom abundances were followed by increases in vibrios in all mesocosms. This was also observed in field sampling. Together, these results suggest that diatom blooms could support Vibrio spp. growth. V parahaemolyticus was initially favoured by sediment. The contribution of V parahaemolyticus to the total bacterial population was low, on average 0.5 %, but constituted a rather high proportion of the vibrio population in the mesocosm systems, i.e. on average 18 %. Some of the identified diatom genera, e.g. Chaetoceros and Skeletonema, were negatively correlated to vibrios, while Coscinodiscus was positively correlated. The results indicate that phytoplankton blooms, when recorded as high levels of chl a, should be used with caution as predictors for future vibrio epidemics, since the origin of the chl a might have a significant effect on vibrio abundance.
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3.
  • Särner, Barbro, 1942, et al. (författare)
  • Recommendations by dental staff and use of toothpicks, dental floss and interdental brushes for approximal cleaning in an adult Swedish population.
  • 2010
  • Ingår i: Oral health & preventive dentistry. - : Quintessence Publishing Company. - 1602-1622 .- 1757-9996. ; 8:2, s. 185-94
  • Tidskriftsartikel (refereegranskat)abstract
    • PURPOSE: The aim of the present study was to evaluate the recommendations relating to the use of approximal cleaning aids given by dental hygienists and dentists, the self-care practices in a Swedish population and the ability to remove dental plaque. MATERIALS AND METHODS: A structured questionnaire was randomly distributed to 500 dental hygienists and 500 dentists and a similar questionnaire was distributed to 1000 randomly selected individuals, divided equally into the following age groups: 15 to 20, 21 to 40, 41 to 60 and > 60 years. A clinical examination evaluating the ability to remove approximal dental plaque was also carried out in a total of 60 regular users of approximal cleaning aids. Plaque was scored before and after cleaning with a toothpick, dental floss or an interdental brush. RESULTS: The response rate was 82%, 79% and 68% for the three groups. The results reveal that dental hygienists give more detailed information about a majority of the aspects that are related to the use of approximal cleaning aids compared with dentists (P < 0.01 or P < 0.001). The majority of the dental staff give recommendations to children and adolescents firstly to prevent dental caries and to older individuals to improve periodontal health. The use of different approximal cleaning aids on a daily basis varied with respect to age group (2% to 42%); dental floss dominated in the younger age groups and interdental brushes in the two oldest groups. In the clinical study, the largest plaque reduction was produced by the interdental brush (83%), followed by toothpicks (74%) and dental floss (73%). CONCLUSIONS: The present study indicated the importance of individual recommendations related to the use of approximal cleaning aids.
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