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- AXELSSON, J, et al.
(författare)
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ELECTRON-EMISSION FROM CONDUCTING SURFACES IMPACTED BY MULTIPLY-CHARGED POLYATOMIC IONS
- 1995
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Ingår i: NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS. - : ELSEVIER SCIENCE BV. - 0168-583X. ; 101:4, s. 343-356
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- In this paper, we present results on secondary electron emission from impacts of electrosprayed, multiply-charged, macromolecular ions on various conducting surfaces. The impact speeds are in the range v = 30 to 140 km/s and are above the threshold for ki
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- Hammerlid, E, et al.
(författare)
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A prospective multicentre study in Sweden and Norway of mental distress and psychiatric morbidity in head and neck cancer patients
- 1999
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Ingår i: British Journal of Cancer. - : Springer Science and Business Media LLC. - 1532-1827 .- 0007-0920. ; 80:5-6, s. 766-774
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Tidskriftsartikel (refereegranskat)abstract
- A Swedish/Norwegian head and neck cancer study was designed to assess prospectively the levels of mental distress and psychiatric morbidity in a heterogeneous sample of newly diagnosed head and neck cancer patients. A total of 357 patients were included. The mean age was 63 years, and 72% were males. The patients were asked to answer the HAD scale (the Hospital Anxiety and Depression scale) six times during 1 year. The number of possible or probable cases of anxiety or depression disorder was calculated according to standardized cut-offs. Approximately one-third of the patients scored as a possible or probable case of a major mood disorder at each measurement point during the study year. There were new cases of anxiety or depression at each time point. The anxiety level was highest at diagnosis, while depression was most common during treatment. Females were more anxious than males at diagnosis, and patients under 65 years of age scored higher than those over 65. Patients with lower performance status and more advanced disease reported higher levels of mental distress and more often scored as a probable or possible cases of psychiatric disorder. Our psychometric analyses supported the two-dimensional structure and stability of the HAD scale. The HAD scale seems to be the method of choice for getting valid information about the probability of mood disorder in head and neck cancer populations. The prevalence of psychiatric morbidity found in this study emphasizes the importance of improved diagnosis and treatment.
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- Harvey, P, et al.
(författare)
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The electric field instrument on the Polar satellite
- 1995
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Ingår i: Space Science Reviews. - 0038-6308 .- 1572-9672. ; 71, s. 583-596
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Tidskriftsartikel (refereegranskat)abstract
- The Polar satellite carries a system of four wire booms in the spacecraft spin plane and two rigid booms along the spin axis. Each of the booms has a spherical sensor at its tip along with nearby guard and stub surfaces whose potentials relative to that of their sphere are controlled by associated electronics. The potential differences between opposite sphere pairs are measured to yield the three components of the DC to >1 MHz electric field. Spheres can also be operated in a mode in which their collected current is measured to give information on the plasma density and its fluctuations. The scientific studies to be performed by this experiment as well as the mechanical and electrical properties of the detector system are described.
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- Lindroos, Anna-Karin, 1958, et al.
(författare)
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Dietary intake in relation to restrained eating, disinhibition, and hunger in obese and nonobese Swedish women
- 1997
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Ingår i: Obesity Research. ; 5, s. 175-182
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Tidskriftsartikel (refereegranskat)abstract
- Department of Internal Medicine, Göteborg University, Sweden. The aims of this study were to: describe dietary intakes of obese and nonobese middle-aged women using a validated food frequency questionnaire; to assess dietary restraint, disinhibition, and hunger by the three factor eating questionnaire (TFEQ) in obese and nonobese samples and determine which of the factors are independently associated with obesity; and to examine correlations between selected nutritional variables and the TFEQ factors. Subjects studied included 179 obese Swedish women (BMI > 32) and 147 nonobese population-based controls (BMI < 28). Age-adjusted mean energy intake was significantly higher in obese women (2730 +/- 78 vs. 2025 +/- 85 kcal, p < 0.0001). In absolute and relative terms, fat intake was higher and alcohol intake was lower in the obese subjects. Disinhibition was the strongest TFEQ factor independently differentiating the obese and nonobese states, i.e., after adjustment for restraint and hunger. Within the obese sample, strong associations were seen between energy intake and disinhibition (p = 0.0005) and hunger (p = 0.0004). The association between energy intake and restrained eating was negative and weaker (p = 0.04). No such associations were seen in nonobese women. Thus, using a dietary instrument that is valid and unbiased with respect to obesity, strong psychological correlates, possibly causal, of variability in energy intake were detected in middle-aged women with obesity. Disinhibition is associated with both obesity and high-energy intakes and is therefore an important factor to consider in the treatment of women with obesity. PMID: 9192390 [PubMed - indexed for MEDLINE]
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- Reimann, CT, et al.
(författare)
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Conformation of highly-charged gas-phase lysozyme revealed by energetic surface imprinting
- 1998
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Ingår i: JOURNAL OF THE AMERICAN CHEMICAL SOCIETY. - : AMER CHEMICAL SOC. - 0002-7863. ; 120:30, s. 7608-7616
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- We present new results from an energetic surface imprinting method which allows us to outline the general conformation of protein ions in vacuo. Both disulfide-bond-intact and disulfide-bond-reduced gasphase lysozyme ions were produced by electrospray ion
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