Ari Hörman

Summary

Country: Finland

Publications

  1. pmc Campylobacter spp., Giardia spp., Cryptosporidium spp., noroviruses, and indicator organisms in surface water in southwestern Finland, 2000-2001
    Ari Hörman
    Department of Food and Environmental Hygiene, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
    Appl Environ Microbiol 70:87-95. 2004
  2. ncbi Evaluation of the purification capacity of nine portable, small-scale water purification devices
    A Horman
    The Finnish Defence Forces, Medical School, Lahti, Finland
    Water Sci Technol 50:179-83. 2004
  3. ncbi Meta-analysis in assessment of the prevalence and annual incidence of Giardia spp. and Cryptosporidium spp. infections in humans in the Nordic countries
    Ari Hörman
    Department of Food and Environmental Hygiene, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
    Int J Parasitol 34:1337-46. 2004
  4. pmc Elimination of botulinum neurotoxin (BoNT) type B from drinking water by small-scale (personal-use) water purification devices and detection of BoNT in water samples
    Ari Hörman
    Department of Food and Environmental Hygiene, Faculty of Veterinary Medicine, University of Helsinki, Finland
    Appl Environ Microbiol 71:1941-5. 2005
  5. ncbi Monitoring of Cryptosporidium and Giardia in the Vantaa river basin, southern Finland
    Marja Liisa Hänninen
    Department of Food and Environmental Hygiene, University of Helsinki, P O Box 57, FIN 00014, Finland
    Int J Hyg Environ Health 208:163-71. 2005
  6. ncbi Pilot-scale continuous ultrasonic cleaning equipment reduces Listeria monocytogenes levels on conveyor belts
    Riina Tolvanen
    Department of Food and Environmental Hygiene, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
    J Food Prot 72:408-11. 2009
  7. ncbi Evaluation of the lactose Tergitol-7, m-Endo LES, Colilert 18, Readycult Coliforms 100, Water-Check-100, 3M Petrifilm EC and DryCult Coliform test methods for detection of total coliforms and Escherichia coli in water samples
    Ari Hörman
    Department of Food and Environmental Hygiene, Faculty of Veterinary Medicine, University of Helsinki, Post Box 66, FIN 00014, Helsinki, Finland
    Water Res 40:3249-56. 2006
  8. ncbi Contamination routes of Clostridium botulinum in the honey production environment
    Mari Nevas
    Department of Food and Environmental Hygiene, PO Box 66, 00014 University of Helsinki, Helsinki, Finland
    Environ Microbiol 8:1085-94. 2006
  9. ncbi An IC-PCR method for detection of Cryptosporidium and Giardia in natural surface waters in Finland
    Ruska Rimhanen-Finne
    Department of Food and Environmental Hygiene, Faculty of Veterinary Medicine, P O Box 57, 00014 University of Helsinki, Finland
    J Microbiol Methods 50:299-303. 2002
  10. ncbi Factors associated with Listeria monocytogenes contamination of cold-smoked pork products produced in Latvia and Lithuania
    Aivars Berzins
    Department of Food and Environmental Hygiene, University of Helsinki, P O Box 66, FIN 00014 Helsinki, Finland
    Int J Food Microbiol 115:173-9. 2007

Collaborators

Detail Information

Publications11

  1. pmc Campylobacter spp., Giardia spp., Cryptosporidium spp., noroviruses, and indicator organisms in surface water in southwestern Finland, 2000-2001
    Ari Hörman
    Department of Food and Environmental Hygiene, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
    Appl Environ Microbiol 70:87-95. 2004
    ..There were no significant correlations between counts or count levels for thermotolerant coliforms or E. coli or the presence of F-RNA phages and pathogens in the samples analyzed...
  2. ncbi Evaluation of the purification capacity of nine portable, small-scale water purification devices
    A Horman
    The Finnish Defence Forces, Medical School, Lahti, Finland
    Water Sci Technol 50:179-83. 2004
    ..Simultaneous testing for various pathogenic/indicator microbes and microcystins was shown to be a useful and practical way to obtain essential data on actual purification capacity of commercial small-scale drinking-water filters...
  3. ncbi Meta-analysis in assessment of the prevalence and annual incidence of Giardia spp. and Cryptosporidium spp. infections in humans in the Nordic countries
    Ari Hörman
    Department of Food and Environmental Hygiene, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
    Int J Parasitol 34:1337-46. 2004
    ....
  4. pmc Elimination of botulinum neurotoxin (BoNT) type B from drinking water by small-scale (personal-use) water purification devices and detection of BoNT in water samples
    Ari Hörman
    Department of Food and Environmental Hygiene, Faculty of Veterinary Medicine, University of Helsinki, Finland
    Appl Environ Microbiol 71:1941-5. 2005
    ..3 log10 units). The rapid EIAs intended for the detection of BoNT from various types of samples failed to detect BoNT from aqueous samples containing an estimated concentration of BoNT of 396,000 ng/liter...
  5. ncbi Monitoring of Cryptosporidium and Giardia in the Vantaa river basin, southern Finland
    Marja Liisa Hänninen
    Department of Food and Environmental Hygiene, University of Helsinki, P O Box 57, FIN 00014, Finland
    Int J Hyg Environ Health 208:163-71. 2005
    ..In general, both methods to appropriate to detect (oo)cysts, but grab samples yielded more positive results. Grab sampling is also more practical and less expensive than analysis of A. piscinalis...
  6. ncbi Pilot-scale continuous ultrasonic cleaning equipment reduces Listeria monocytogenes levels on conveyor belts
    Riina Tolvanen
    Department of Food and Environmental Hygiene, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
    J Food Prot 72:408-11. 2009
    ..01). Ultrasonic cleaning for 10 s at 50 degrees C reduced L. monocytogenes counts by more than 5 log units. These results indicate that ultrasonic cleaning of a conveyor belt is effective even with short treatment times...
  7. ncbi Evaluation of the lactose Tergitol-7, m-Endo LES, Colilert 18, Readycult Coliforms 100, Water-Check-100, 3M Petrifilm EC and DryCult Coliform test methods for detection of total coliforms and Escherichia coli in water samples
    Ari Hörman
    Department of Food and Environmental Hygiene, Faculty of Veterinary Medicine, University of Helsinki, Post Box 66, FIN 00014, Helsinki, Finland
    Water Res 40:3249-56. 2006
    ..coli than the LTTC method. In general, those tests based on the analysis of a 1-ml sample (Petrifilm EC and DryCult Coli) showed weak sensitivity (39.5-52.5%) but high specificity (90.9-78.8%)...
  8. ncbi Contamination routes of Clostridium botulinum in the honey production environment
    Mari Nevas
    Department of Food and Environmental Hygiene, PO Box 66, 00014 University of Helsinki, Helsinki, Finland
    Environ Microbiol 8:1085-94. 2006
    ..botulinum spores in honey could possibly be diminished by increasing hygienic level in honey production...
  9. ncbi An IC-PCR method for detection of Cryptosporidium and Giardia in natural surface waters in Finland
    Ruska Rimhanen-Finne
    Department of Food and Environmental Hygiene, Faculty of Veterinary Medicine, P O Box 57, 00014 University of Helsinki, Finland
    J Microbiol Methods 50:299-303. 2002
    ..Of 54 surface water samples, 4 were positive for Cryptosporidium and 1 for Giardia. Cryptosporidium and Giardia were detected for the first time in surface water in Finland...
  10. ncbi Factors associated with Listeria monocytogenes contamination of cold-smoked pork products produced in Latvia and Lithuania
    Aivars Berzins
    Department of Food and Environmental Hygiene, University of Helsinki, P O Box 66, FIN 00014 Helsinki, Finland
    Int J Food Microbiol 115:173-9. 2007
    ..monocytogenes contamination existed over periods of time in several meat processing plants. In two meat processing plants, persistent L. monocytogenes strains belonging to serotypes 1/2a and 1/2c were found...
  11. ncbi Contamination by Norovirus and Adenovirus on Environmental Surfaces and in Hands of Conscripts in Two Finnish Garrisons
    Satu Oristo
    Department of Food Hygiene and Environmental Health, Faculty of Veterinary Medicine, University of Helsinki, Agnes Sjöbergin katu 2, 00790, Helsinki, Finland
    Food Environ Virol . 2016
    ..This study increased our understanding of the possible transmission of viruses via contaminated environment and hands...