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Fluxes of methane, CH4, were measured with the eddy covariance (EC) method at a small boreal lake in Sweden. The mean CH4 flux during the growing season of 2013 was 20.1 nmol m−2 s−1 and the median flux was 16 nmol m−2 s−1 (corresponding to 1.7 mmol m−2 d−1 and 1.4 mmol m−2 d−1). Monthly mean values of CH4 flux measured with the EC method were compared with fluxes measured with floating chambers (
Biological drugs intended for multidose use normally contain both preservatives and non-ionic surfactants. However, most common preservatives and surfactants in parenteral formulations are considered to be physically incompatible with each other. In this study, the phase separation of polysorbate 20 and polysorbate 80 in the presence of phenolic preservatives is systematically mapped. The observed
Sleep disturbances are a pervasive problem among postmenopausal women, with an estimated 40 to 64% reporting poor sleep. Hypnosis is a promising intervention for sleep disturbances. This study examined optimal dose and delivery for a manualized hypnosis intervention to improve sleep. Ninety postmenopausal women with poor sleep were randomized to 1 of 4 interventions: 5 in-person, 3 in-person, 5 ph
Preliminärt schema höstterminen 2022 Kurs: Miljövetenskap: Analys och metodik (MVEN13) Kursansvarig: Ullrika Sahlin US Lärare: Björn Klatt BK Anna Lindgren AL Charlotta Turner CT Lokaler: Green Room, Biologihuset, Sölvegatan 35, Lund Litteratur: Litteratur för kursen är material som finns tillgänglig i digital form på kursens lärplattform Canvas och universitetets bibliotek. Studieteknik: Läs om s
https://www.cec.lu.se/sv/sites/cec.lu.se.sv/files/2022-07/MVEN13%20HT22%20p1_ver4_2.pdf - 2026-06-30
Activation of the immune system to clear pathogens and mitigate infection is a costly process that might incur fitness costs. When vertebrates are exposed to pathogens, their first line of defense is the acute-phase response (APR), which consists of a suite of physiological and behavioral changes. The dynamics of the APR are relatively well investigated in mammals and domesticated birds but still
https://www.iko.lu.se/symposium_animalstudies - 2026-06-29
Antibody radionuclide conjugates are an emerging modality for targeted imaging and potent therapy of disseminated disease. Coupling of radionuclides to monoclonal antibodies (mAbs) is typically achieved by applying non-site-specific labelling techniques. With the ambition of reducing variability, increasing labelling efficacy and stability, several site-specific conjugation strategies have been de
When referring to the same event, people can have different assumptions. What is interesting to see is why these assumptions are different, why do people have different stories? Some of the reasons could be different levels of expectation, different communication channels or even different cultural backgrounds. We have analysed all these by having a case study within a company that has recently go
Tracking birds throughout their migratory flights have reached new heights during the last decades, as new technology has made it possible to track birds during with higher accuracy than ever before. In this study, I have used accelerometer and air pressure data to mainly address the questions of altitude selection and changes during long distance non-stop migration in the Great Snipe (Gallinago m
Background: The application of a bioresorbable calcium sulfate/hydroxyapatite (CaS/HA) ceramic at the interface of fenestrated screws and osteoporotic bone significantly enhances the immediate mechanical anchorage compared with non-augmented controls. However, the anchoring effectiveness of different screw augmentation techniques in spines with varying vertebral bone mineral density (BMD) remains
Affilierad forskare Kontaktinformation E-post: john [dot] olsson [at] plog [dot] lth [dot] se Mobil: +46 73 630 91 07Organisation Förpackningslogistik Hämtställe: 69 WebbplatsJohn Olssons profil i Lunds universitets forskningsportalAndra roller Affilierad forskare Centrum för handel och logistik (REAL) Publikationer Visar av publikationer. Sorterade efter år och sen titel. Filtrera efter typ AllaA
https://www.real.lu.se/john-olsson - 2026-06-29
Inbreeding depression may drive the evolution of inbreeding avoidance through dispersal and mate choice. In birds, many species show female-biased dispersal, which is an effective inbreeding avoidance mechanism. In contrast, there is scarce evidence in birds for kin discriminative mate choice, which may, at least partly, reflect difficulties detecting it. First, kin discrimination may be realized
