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Master’s Dissertation Structural Mechanics HENRIK DANIELSSON STRENGTH TESTS OF GLULAM BEAMS WITH QUADRATIC HOLES - TEST REPORT Copyright © 2008 by Structural Mechanics, LTH, Sweden. Printed by KFS i Lund AB, Lund, Sweden, March 2008. For information, address: Division of Structural Mechanics, LTH, Lund University, Box 118, SE-221 00 Lund, Sweden. Homepage: http://www.byggmek.lth.se Structural Mech

https://www.byggmek.lth.se/fileadmin/byggnadsmekanik/publications/tvsm7000/web7153.pdf - 2026-05-26

Predation as a driver of reproductive isolation - from adaptive divergence to hybrid inviability

Natural selection can play an important role in the origin of new species. When reproductive isolation evolves as a result of ecologically-based divergent natural selection, the process is referred to as ecological speciation. In most organisms, sufficient reproductive isolation is considered to be essential for the establishment of new species. However, reproductive isolation typically involves m

OmicLoupe : facilitating biological discovery by interactive exploration of multiple omic datasets and statistical comparisons

Background: Visual exploration of gene product behavior across multiple omic datasets can pinpoint technical limitations in data and reveal biological trends. Still, such exploration is challenging as there is a need for visualizations that are tailored for the purpose. Results: The OmicLoupe software was developed to facilitate visual data exploration and provides more than 15 interactive cross-d

A population-based study on the effect of a routine second-look resection on survival in primary stage T1 bladder cancer

Objective: To assess the value of second-look resection (SLR) in stage T1 bladder cancer (BCa) with respect to progression-free survival (PFS), and also the secondary outcomes recurrence-free survival (RFS), bladder-cancer-specific survival (CSS), and cystectomy-free survival (CFS). Patients and methods: The study included 2456 patients diagnosed with stage T1 BCa 2004–2009 with 5-yr follow-up reg

Heavy metals in a municipal solid wast deposition cell

The physical and chemical changes of a waste mixture consist ing of mumcipal solid waste (MSW) and sewage sludge were investigated during the anaerobic waste stablilization phases of the mixture. The emphasis of this study was the behavior of heavy metals. The waste was deposited in a test cell in 1973. It was found that the waste mass decreased by about 30% (wt) during the years 1973 to 1993 and

The direct effect of exposure to disease in early life on the height of young adult men in southern Sweden, 1814–1948

This paper considers whether short-term variation in exposure to disease early in life, as measured by a variety of mortality rates, has an effect on the height of young adults. Height information for men born in southern Sweden, 1814–1948, and included in the Scanian Economic Demographic Database (SEDD), was obtained from records of medical inspections carried out as part of Sweden’s system of un

Endocrine disrupting chemicals and breast cancer : a systematic review of epidemiological studies

Background: Endocrine-disrupting compounds (EDCs) are ubiquitous substances that are found in our everyday lives, including pesticides, plasticizers, pharmaceutical agents, personal care products, and also in food products and food packaging. Increasing epidemiological evidence suggest that EDCs may affect the development or progression of breast cancer and consequently lead to lifelong harmful he

Utilisation of biomass for the supply of energy carriers

Because biomass is a widely available, renewable resource, its utilisation for the production of energy has great potential for reducing CO2 emissions and thereby preventing global warming. In this mini-review the `state of the art' of several fermentation processes is discussed, starting with the most advanced process of ethanol production. This is followed by methane production, an established p

Maternal obesity and the risk for orofacial clefts in the offspring

Objective: To estimate whether obese women have an increased risk of orofacial clefts in their offspring, compared with average-weight women. Design and Participants: The study was based on information on maternal body mass index (BMI) collected in early pregnancy and on the existence of orofacial clefts in the offspring, ascertained from multiple sources. The study included 1686 women who had inf

C-Kit as an Oncogenic Tyrosine Kinase - Regulation and Dysregulation of Signaling Pathways

It is well known that increased growth and survival of cancer cells often is a result of dysregulated kinase activity and aberrant kinase signaling. The receptor tyrosine kinase c-Kit and its ligand SCF are contributors to this phenomenon in a variety of human cancers, for example hematological malignancies, germ cell tumors and gastrointestinal stromal tumors. In this thesis I have investigated

Engineered xyloglucan specificity in a carbohydrate-binding module.

The field of plant cell wall biology is constantly growing and consequently so is the need for more sensitive and specific probes for individual wall components. Xyloglucan is a key polysaccharide widely distributed in the plant kingdom in both structural and storage tissues that exist in both fucosylated and non-fucosylated variants. Presently, the only xyloglucan marker available is the monoclon

Investigation of the enzyme Bacillus agaradhaerens Cel 5a as an analytical tool in mass spectral characterisation of methylcelluloses

Two methylcelluloses (MC) were investigated by partial hydrolysis followed by direct infusion electrospray ionisation mass spectrometry (ESI-MS). Partial hydrolysis was achieved either enzymatically or by acid hydrolysis. Enzyme hydrolysis was performed using the endoglucanase Bacillus agaradhaerens Cel 5a. Three different hydrolysis buffer solutions were investigated in order to deter-mine which

Cathepsin B activates human trypsinogen 1 but not proelastase 2 or procarboxypeptidase B

Background/Aims: Activation of trypsinogen to trypsin is a crucial step in the development of acute pancreatitis. The cause of this activation is not known although suggested explanations include autoactivation, cathepsin B-mediated activation and activation by mast cell tryptase. The aim of this study was to investigate cathepsin B and tryptase activation of pancreatic zymogens. Methods: Trypsino

Capacity of MIMO systems with antenna selection

We consider the capacity of multiple-input multiple-output systems with. reduced complexity. One link-end uses all available antennas, while the other chooses the L out of N antennas that maximize capacity. We derive an upper bound on the capacity that can be expressed as the sum of the logarithms of ordered chi-square-distributed variables. This bound is then evaluated analytically and compared t

Do spermathecal morphology and inter-mating interval influence paternity in the polyandrous beetle Tribolium castaneum?

In polyandrous insects, postcopulatory sexual selection is a pervasive evolutionary force favouring male and female traits that allow control of offspring paternity. Males may influence paternity through adaptations for sperm competition, and females through adaptations facilitating cryptic female choice. Yet, the mechanisms are often complex, involving behaviour, physiology or morphology, and the

No evidence of genetic differentiation between lesser redpolls Carduelis flammea cabaret and common redpolls Carduelis f. flammea.

The remarkable variation in plumage and morphological characters in the redpoll complex Carduelis flammea-hornemanni has puzzled taxonomists for several decades. In contrast, molecular studies have not revealed any genetic differentiation among the phenotypic redpoll forms. This could either be a result of high present-day gene flow or morphological differentiation following a rapid and recent pop

Determination of glycaemic index; some methodological aspects related to the analysis of carbohydrate load and characteristics of the previous evening meal

Objectives: To determine the possible differences in glycaemic index (GI) depending on ( 1) the analytical method used to calculate the 'available carbohydrate' load, that is, using carbohydrates by difference ( total carbohydrate by difference, minus dietary fibre (DF)) as available carbohydrates vs available starch basis ( total starch minus resistant starch (RS)) of a food rich in intrinsic RS

Practical guidance for using rivaroxaban in patients with atrial fibrillation: balancing benefit and risk.

Rivaroxaban is a direct factor Xa inhibitor that is widely available to reduce the risk of stroke or systemic embolism in patients with nonvalvular atrial fibrillation and one or more risk factors for stroke. Rivaroxaban provides practical advantages compared with warfarin and other vitamin K antagonists, including a rapid onset of action, few drug interactions, no dietary interactions, a predicta

A novel feeding strategy for industrial fed-batch processes based on frequency content analysis

Overflow metabolism, i.e. the production of metabolic by-products at a high glycolytic flux, is a recurring problem in fed-batch processes with many types of microorganisms. In the current study, a novel feeding strategy aimed at avoiding process failures due to overflow by-product formation was designed and implemented in a pilot-scale reactor (0.5 m3). The basic principle behind the strategy was