R Johnsen
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Explore the profile of R Johnsen including associated specialties, affiliations and a list of published articles.
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53
Citations
1473
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Recent Articles
1.
Uvarova L, Rednyk S, Dohnal P, Kassayova M, Saito S, Roucka S, et al.
J Chem Phys
. 2023 May;
158(17).
PMID: 37125712
Recombination of vibrationally cold N2+ ions with electrons was studied in the temperature range of 140-250 K. A cryogenic stationary afterglow apparatus equipped with cavity ring-down spectrometer and microwave diagnostics...
2.
Plasil R, Dohnal P, Kalosi A, Roucka S, Shapko D, Rednyk S, et al.
Rev Sci Instrum
. 2018 Jul;
89(6):063116.
PMID: 29960549
A cryogenic stationary afterglow apparatus equipped with a near-infrared cavity-ring-down-spectrometer (Cryo-SA-CRDS) for studies of electron-ion recombination processes in the plasma at temperatures 30-300 K has been designed, constructed, tested, and...
3.
Ro A, Simpson M, Ro T, Storro O, Johnsen R, Videm V, et al.
Clin Exp Allergy
. 2017 Mar;
47(8):1014-1021.
PMID: 28346719
Background: In the randomized, controlled study Probiotics in the Prevention of Allergy among Children in Trondheim (ProPACT), maternal probiotic supplementation reduced the incidence of atopic dermatitis (AD) in the offspring....
4.
Avershina E, Lundgard K, Sekelja M, Dotterud C, Storro O, Oien T, et al.
Environ Microbiol
. 2016 Feb;
18(7):2226-36.
PMID: 26913851
Transition from an infant to an adult associated gut microbiota with age through establishment of strict anaerobic bacteria remains one of the key unresolved questions in gut microbial ecology. Here...
5.
Fimland M, Vie G, Johnsen R, Nilsen T, Krokstad S, Bjorngaard J
Scand J Med Sci Sports
. 2014 Dec;
25(6):e558-65.
PMID: 25487654
The objective of this study was to prospectively examine the association between leisure-time physical activity and risk of disability pension, as well as risk of disability pension because of musculoskeletal...
6.
Johnsen R, Rubovic P, Dohnal P, Hejduk M, Plasil R, Glosik J
J Phys Chem A
. 2013 Feb;
117(39):9477-85.
PMID: 23387892
We present results of plasma afterglow experiments on ternary electron-ion recombination rate coefficients of H3(+) and D3(+) ions at temperatures from 50 to 300 K and compare them to possible...
7.
Avershina E, Storro O, Oien T, Johnsen R, Wilson R, Egeland T, et al.
Appl Environ Microbiol
. 2012 Nov;
79(2):497-507.
PMID: 23124244
Bifidobacteria are a major microbial component of infant gut microbiota, which is believed to promote health benefits for the host and stimulate maturation of the immune system. Despite their perceived...
8.
Dohnal P, Hejduk M, Varju J, Rubovic P, Roucka S, Kotrik T, et al.
Philos Trans A Math Phys Eng Sci
. 2012 Oct;
370(1978):5101-8.
PMID: 23028157
Results of an experimental study of binary recombination of para- and ortho-H(3)(+) ions with electrons are presented. Near-infrared cavity-ring-down absorption spectroscopy was used to probe the lowest rotational states of...
9.
Rudi K, Storro O, Oien T, Johnsen R
Lett Appl Microbiol
. 2012 Mar;
54(5):447-54.
PMID: 22385401
Aims: The impact of bacterial transmission from mother to child on human allergy development is poorly understood. The aim of the present work was therefore to use a temporal collected...
10.
Bjerke G, Wilson R, Storro O, Oyen T, Johnsen R, Rudi K
Appl Environ Microbiol
. 2011 Oct;
77(23):8318-24.
PMID: 21965394
Bacteroides fragilis represents an early infant colonizer with important host interactions. Our knowledge about the diversity, transmission, and persistence of this bacterium, however, is limited. Here, we addressed these questions...