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| 2. |
- Fantin, F, et al.
(författare)
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The Importance of Nutrition in Hypertension
- 2019
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Ingår i: Nutrients. - : MDPI AG. - 2072-6643. ; 11:10
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- Arterial hypertension (AH) is considered to be one of the most relevant cardiovascular risk factors, and its wide prevalence in all age ranges makes it necessary to analyse all the possible causes and treatments. In this special issue, nutritional interventions are examined either as causes or as treatments of AH. [...]
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| 3. |
- Macchi, A., et al.
(författare)
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Extreme high field plasmonics : Electron acceleration and XUV harmonic generation from ultrashort surface plasmons
- 2019
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Ingår i: Physics of Plasmas. - : AIP Publishing. - 1070-664X .- 1089-7674. ; 26:4
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Tidskriftsartikel (refereegranskat)abstract
- Experiments on the excitation of propagating surface plasmons (SPs) by an ultrashort, high intensity laser interaction with grating targets are reviewed. At intensities exceeding 10 19 W cm -2 on target, i.e., in the strongly relativistic regime of electron dynamics, multi-megaelectronvolt electrons are accelerated by the SP field as dense bunches collimated in a near-tangent direction. By the use of a suitable blazed grating, the bunch charge can be increased up to ≈660 pC. Intense extreme ultraviolet high harmonics (HHs) diffracted by the grating are observed when a plasma with a submicrometer scale is produced at the target surface by a controlled prepulse. When the SP is excited, the HHs are strongly enhanced in a direction quasi-parallel to the electrons. Simulations suggest that the HHs are boosted by nanobunching in the SP field of the electrons which scatter the laser field. Besides the static and dynamic tailoring of the target density profile, further control of electron and HH emission might be achieved by changing the SP duration using a laser pulse with a rotating wavefront. The latter technique may allow the production of nearly single-cycle SPs.
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| 4. |
- Schriever, Valentin A., et al.
(författare)
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Development of an International Odor Identification Test for Children : The Universal Sniff Test
- 2018
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Ingår i: The Journal of Pediatrics. - : Elsevier BV. - 0022-3476 .- 1097-6833. ; 198, s. 265-272
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Tidskriftsartikel (refereegranskat)abstract
- ObjectiveTo assess olfactory function in children and to create and validate an odor identification test to diagnose olfactory dysfunction in children, which we called the Universal Sniff (U-Sniff) test.Study designThis is a multicenter study involving 19 countries. The U-Sniff test was developed in 3 phases including 1760 children age 5-7 years. Phase 1: identification of potentially recognizable odors; phase 2: selection of odorants for the odor identification test; and phase 3: evaluation of the test and acquisition of normative data. Test-retest reliability was evaluated in a subgroup of children (n = 27), and the test was validated using children with congenital anosmia (n = 14). Results Twelve odors were familiar to children and, therefore, included in the U-Sniff test. Children scored a mean +/- SD of 9.88 +/- 1.80 points out of 12. Normative data was obtained and reported for each country. The U-Sniff test demonstrated a high test-retest reliability (r(27) = 0.83, P < .001) and enabled discrimination between normosmia and children with congenital anosmia with a sensitivity of 100% and specificity of 86%.ConclusionsThe U-Sniff is a valid and reliable method of testing olfaction in children and can be used internationally.
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