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Allelopathy, the release of extracellular compounds that inhibit the growth of other microorganisms, may be one factor contributing to the formation and/or maintenance of cyanobacterial blooms. We investigated the allelopathic effects of three cyanobacterial species (Nodularia spumigena, Aphanizomenon flos-aquae and Anabaena lemmermannii) that frequently form mass-occurrences in the Baltic Sea. We
Plastic pollution is a severe global problem and every year approximately 368 million tons of plastic is produced. Both terrestrial and marine environments are impacted and hundreds of species affected. Marine plastic debris accounts for a weight of 268 940 tons and affects hundreds of marine species through habitat degradation, entanglement and ingestion. Microplastics (MPs) are a type of plastic
During the Secret War in Laos, 1964-1973, the United States dropped approximately 2 million tons of bombs in Laos. However, 30% of the employed bombs failed to detonate. It is estimated that 78 million unexploded ordance (UXO) still contaminate the land of Laos. This paper therefore aims to explore how UXO affect the possibilities for the rural population in Houamoung district to attain a sustaina
Of increasing interest in the field of protein modelling and simulation is the effects of crowding. In a living cell, large molecules can take up 30% of the cell plasma volume, and affects the folding and dynamics of proteins. Computer simulations have so far focused mainly on simple spherical crowders, but recent simulations with protein crowders have shown effects beyond what can be replicated u
Objectives The aim of this study was to investigate possible associations between androgen concentrations in perimenopausal women and symptoms that may be associated with low androgen concentrations in the blood. Methods All women born in the period 1935-1945 and living in a defined geographic area in Sweden (n=10 766) were invited to a screening program that included physical and laboratory exami
Recent years molecular imprinting has received considerable attention as an excellent and simple approach to recognize small molecules and bioactive substances. The aim of this study is to prepare the bilirubin-imprinted supermacroporous cryogels which can be used for the adsorption of bilirubin from human plasma. N-methacryloyl(L)-tyrosinemethylester (MAT) was chosen as the preorganization monome
The climate impact of new cars in Sweden 2009 has been evaluated by the Swedish Transport Administration. Their report takes into account reduction factors to attribute the positive impact of renewable fuels on CO2 emissions. The Swedish Transport Administration recommends the public to buy cars that can run on biofuels. Besides acknowledging prevailing uncertainties for many of the input paramete
OBJECTIVE: Describe the clinical course and predictors of change in self-reported outcomes and objectively assessed physical function over time in middle-aged subjects at high risk of, or with knee osteoarthritis (OA). METHODS: We examined 259 subjects (mean age 52.6 [SD 10.4]) at mean 18 and 25 years after previous meniscectomy and 50 population-based age- and sex-matched reference subjects with
The new clusters [Ru-3(CO)(9)(mu-dppf){P(C4H3E)(3)}] (1, E = O; 2, E = S) have been prepared from the Me3NO-induced decarbonylation of [Ru-3(CO)(10)(mu-dppf)] in the presence of PFu(3) (E = O) and PTh3 (E = S), respectively. Upon thermolysis in benzene, the major products are the cyclometalated clusters [(mu-H) Ru-3(CO)(7)(mu-dppf){mu(3)-(C4H3E)(2)P(C4H2E)}] (3, E - O; 4, E - S). This thermolytic
Beta-blockers (bisoprolol, metoprolol succinate, carvedilol, and to some extent nebivolol), given on top of angiotensin-converting enzyme (ACE) inhibitors, improve survival and reduce morbidity in symptomatic stable chronic heart failure (CHF). Early beta-blockade may help to improve survival and especially prevent sudden death, but the usual practice of starting the ACE inhibitor first may lead t
Detta examensarbete undersöker den nuvarande situationen för cyklande barn i Sverige. Den undersöker ett internationellt och historiskt perspektiv, vilket ger jämförbar information om säkerheten för cyklande barn i andra samhällen. Variationer över tiden i totalt cyklad längd studeras och dess inverkan på säkerheten är noga övervägd. Minskade cykelnivåer visar sig vara en avgörande faktor för säkeThis master thesis investigates the current safety situation for biking children in Sweden. It investigates an international and a historical perspective, which gives comparable information about bike safety for children in other societies. Alterations over time in total biked length is studied and its impact on the safety are considered. Reduction in levels of biking are found to be a vital facto
Prisons encourage criminal activity and have negative impacts on sentenced individuals according to studies. Meanwhile the three largest political parties in Sweden work towards implementing tougher sentences. The three largest parties have in common their position on law enforcement which disputes what the research is saying and as a consequence, the objective of achieving less criminal activity
A simpler version of a shock-testing machine was developed and built. This allows engineers at Verisure to test prototypes and early versions of new products before the product is certified. An independent company shock tests the product as part of the process to certify it as an approved home alarm security product. During the shock test, the product is subjected to a high acceleration during a s
Chemical pesticides have long been used to keep crops free from pests, but in modern agriculture biological control is viewed as a viable alternative to pesticides. The concept of biological control is to implement predators that feed upon the pests. It can however be difficult to follow the effects of the biological control in the field, which is why a theoretical mathematical model has been desi
Syftet med denna studie är att ur ett sociologiskt perspektiv undersöka hur det är att bo i Barcelona och arbeta i ett internationellt callcenter som ung europeisk medborgare. Vad är det som motiverar individer att migrera och arbeta i Barcelona? Hur upplever de förutsättningar i arbetet, social gemenskap och hur uppfattar de sin tillhörighet? Dessa frågeställningar sätts sedan i en bredare kontexThe aim of this study is from a sociological perspective understand how it is to live in Barcelona while working in an international call centre as a young European citizen. What motivates these individuals to migrate to Barcelona? What is their perspective of work, social community and notion of belonging? These questions are later to be examined together with theories of migration, modernization
The situation for the environment is in many ways dire. However, amidst all the negative environmental developments it is easy to neglect the successes that have actually happened. With the aim of better understanding what factors facilitated such a success this thesis analyses one such case, namely emissions of dioxins and chlorinated waste from the pulp and paper industry in Sweden. Dioxins were
Växtätare kan påverka ekosystemprocesser, dels genom långsiktiga förändringar av växtsamhällets sammansättning, men också på kortare sikt genom derasmatspjälkning av organiskt material som cyklas genom markens nedbryderorganismer och tillbaka till de primära producenterna. Särskilt störreväxtätare har studerats i stor utsträckning, men i vissa ekosystem som skogar kan de mindre ryggradslösa växtätHerbivory can influence ecosystem processes, partly through long-term changes of the plant community compositions, but also more rapidly through the herbivores’ digestive alteration of the organic matter that is cycled through the soil and back to the primary producers. In the Subarctic mountain birch (Betula pubescens ssp. czerepanovii) forest (SMBF) in Northern Fennoscandia, outbreaks by the geo
Human milk fat is a concentrated source of energy and provides essential and long chain polyunsaturated fatty acids. According to previous experiments, human milk fat is partially lost during continuous enteral nutrition. However, these experiments were done over relatively short infusion times, and a complete profile of the lost fatty acids was never measured. Whether this loss happens considerin
Purpose: To compare management and outcomes for critically ill women and men with sepsis in the emergency medical services (EMS), the emergency department (ED) and the ICU. Methods: We used two prospectively compiled Swedish national quality registers, the National Quality Sepsis Registry and the Swedish Intensive Care Registry to identify a nationwide cohort of 2720 adults admitted to an ICU with
