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- Abdelkader, Amal F., 1969-, et al.
(författare)
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Chlorophyll accumulation, protochlorophyllide formation and prolamellar body conversion are held back in wheat leaves exposed to high salt stress
- 2008
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Ingår i: In: Allen JF, Gantt E, Golbeck JH, Osmond B (eds.) Proceedings of the 14th International Congress on Photosynthesis, Glasgow, Scotland, July 22-27 2007. ; s. 1139-1142
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Tidskriftsartikel (övrigt vetenskapligt)
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| 4. |
- Abrahamsson, Maths, 1953-, et al.
(författare)
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[Dim the light! Glare problems in a world with ever increasing demands on visual acuity]
- 1997
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Ingår i: Läkartidningen. - 0023-7205. ; 94:41, s. 3607
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Tidskriftsartikel (övrigt vetenskapligt)abstract
- Ocular tissue transparency is dependent on the regular lattice configuration of lens and corneal fibres of uniform diameter. Ageing is associated with degeneration of both lens and cornea, which lose some of their structural order and eventually their transparency, though this process is not uniform. The structural changes are local and result in ocular media opacities. When the opacities increase in number and extension, they begin to affect visual acuity. As the loss of acuity becomes clinically significant, we speak of clinically relevant cataract. Retinal exposure to light diffused by intraocular light scattering induces optical glare, one of two forms of glare. The other form is transient glare--i.e., glare due to adaptation problems in an environment with rapidly changing ambient luminance. Contemporary society is characterised by increasing emphasis on visual information in such forms as texts, icons, signs and symbols. The computer revolution has been accompanied by further stress on the importance of the detection and interpretation of written instructions.
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| 6. |
- Adlerberth, Ingegerd, 1959-
(författare)
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Factors influencing the establishment of the intestinal microbiota in infancy.
- 2008
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Ingår i: Nestlé Nutrition workshop series. Paediatric programme. - 1661-6677. ; 62, s. 13-2929-33
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Tidskriftsartikel (övrigt vetenskapligt)abstract
- The establishment of the intestinal microbiota commences at birth and new bacteria establish in succession during the first years of life until an adult-type highly complex microbiota has been achieved. The first bacteria to establish in the neonatal gut are usually aerobic or facultatively anaerobic bacteria, like enterobacteria, enterococci and staphylococci. During their growth they consume oxygen and change the intestinal milieu making it suitable for the proliferation of anaerobic bacteria. Bifidobacterium, Clostridium and Bacteroides are among the first anaerobes establishing in the microbiota. As more oxygen-sensitive species establish and the complexity of the microbiota increases, the population sizes of aerobic and facultative bacteria decline. This phenomenon is thought to result from oxygen depletion, substrate competition and the accumulation of toxic metabolites. A wide range of factors influence the intestinal microbiota and its establishment, including delivery and feeding mode, antibiotic treatment, and contacts with parents, siblings, and hospital staff. Differences in colonization pattern can be observed between vaginally and sectiodelivered infants, and between infants in industrialized and developing countries, reflecting the importance of maternal microbiota and the environment as sources of colonizing bacteria. This article describes the intestinal colonization pattern in human infants, and reviews factors affecting this process.
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| 9. |
- Agrell, Beata, 1944-, et al.
(författare)
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Introduction
- 2003
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Ingår i: Genrer och genreproblem: teoretiska och historiska perspektiv / Genres and Their Problems: Theoretical and Historical Perspectives.
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Tidskriftsartikel (övrigt vetenskapligt)abstract
- Analytic introduction to contemporary problems of genre and presentation of the various approaches of the essays in the book.
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| 10. |
- Agrell, Beata, 1944-
(författare)
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Kamp mot nihilismen. Synpunkter på Sven Delblancs Nattresa
- 1969
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Ingår i: Komma. Red. Jan Stolpe. ; 1969:4
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Tidskriftsartikel (övrigt vetenskapligt)abstract
- Ideologikritisk analys av Sven Delnlancs roman Nattresa (1967) med särskild inriktning på hjältens utveckling från passiv förtvivlan till pragmatisk verksamhetsiver.
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