P. Halonen

Publications60
h-index26
Citations1,811
Highly Influential Citations53
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SYNOPSIS OF THE GENUS USNEA (LICHENIZED ASCOMYCETES) IN BRITISH COLUMBIA, CANADA
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Detection of adenovirus in clinical specimens by polymerase chain reaction and liquid-phase hybridization quantitated by time-resolved fluorometry.
In addition to tests for the group-specific hexon antigen of adenoviruses, adenoviruses can be detected in clinical specimens by hybridization assays utilizing the widely shared base sequences of the… Expand
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Taxonomy of Bryoria Section Implexae (Parmeliaceae, Lecanoromycetes) in North America and Europe, Based on Chemical, Morphological and Molecular Data
Ninety-seven ingroup specimens of Bryoria section Implexae (Parmeliaceae, Lecanoromycetes) were studied using molecular, chemical, morphological and geographic characters. The molecular data included… Expand
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The lichen genus Usnea in East Fennoscandia. III. The shrubby species
Nine shrubby Usnea species are reported from East Fennoscandia: Usnea diplotypus Vain., U. fulvoreagens (Räsänen) Räsänen, U. glabrata (Ach.) Vain., U. glabrescens (Nyl. ex Vain.) Vain. ex Räsänen,… Expand
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Detection of respiratory syncytial, parainfluenza type 2, and adenovirus antigens by radioimmunoassay and enzyme immunoassay on nasopharyngeal specimens from children with acute respiratory disease.
Four-layer antispecies radioimmunoassay (RIA) and enzyme immunoassay (EIA) procedures were developed for the detection of respiratory syncytial virus (RSV), parainfluenza type 2 virus, and adenovirus… Expand
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Antibody levels to herpes simplex type I, measles and rubella viruses in psychiatric patients.
Serum specimens from 318 psychiatric patients and 32 healthy medical personnel (controls) were collected for herpes simplex type I virus plaque neutralization test, measles haemagglutination… Expand
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Influence of stand age and structure on the epiphytic lichen vegetation in the Middle-Boreal forests of Finland
The epiphytic lichen vegetation on the trunks of Pinus sylvestris and Picea abies was studied and analysed by canonical correspondence analysis in relation to a number of environmental variables. The… Expand
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VIRUS ANTIBODIES IN SERUM SPECIMENS FROM PATIENTS WITH MULTIPLE SCLEROSIS, FROM SIBLINGS, AND MATCHED CONTROLS. A FINAL REPORT *
Interviews were conducted with 229 patients with multiple sclerosis, 172 of their siblings and 219 matched controls from the general population. Serum specimens were taken and tested with 15… Expand
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Time-resolved fluoroimmunoassay with monoclonal antibodies for rapid diagnosis of influenza infections.
Monoclonal antibodies that are broadly reactive with either influenza A or influenza B viruses were used to develop a 2- to 3-h antigen capture time-resolved fluoroimmunoassay (TR FIA) for detecting… Expand
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Hemagglutinin of Rabies and Some Other Bullet-Shaped Viruses
Summary Hemagglutinin of rabies virus was prepared from CVS 11 strain grown in suspension culture of BHK-21 cells maintained in a medium containing 0.4% bovine albumin and no serum. Optimal… Expand
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