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Shaken baby syndrome and the risk of losing scientific scrutiny

A systematic review of shaken baby syndrome by the Swedish Agency for Health Technology Assessment and Assessment of Social Services generated numerous reactions from professional organisations, even before the review was published. There was also a lively debate after a paper summarising its findings were published in Acta Paediatrica The various responses are worth debating further, as they rais

Unexpected Sensitivity of Nitrogen Ions Superradiant Emission on Pump Laser Wavelength and Duration

Nitrogen molecules in ambient air exposed to an intense near-infrared femtosecond laser pulse give rise to cavity-free superradiant emission at 391.4 and 427.8 nm. An unexpected pulse duration-dependent cyclic variation of the superradiance intensity is observed when the central wavelength of the femtosecond pump laser pulse is finely tuned between 780 and 820 nm, and no signal occurs at the reson

A novel method to increase the accuracy of material characterization using free space transmission measurements

This paper describes a method to accurately determine the electromagnetic material properties of thin dielectric sheets. For non-magnetic materials, free space transmission measurements relative to an empty setup are sufficient to determine the complex permittivity of the sheet material. Measurements have been performed on a thin resistive sheet and a transformation procedure has been applied wher

Development and application of high-speed laser visualization techniques in combustion research

In order to fulfil the requirements of available energy resources, there is a great need to obtain a sustainable and environmentally friendly energy utilization using combustion processes. In order to do this, it is of utmost importance to utilize non-intrusive diagnostic techniques with high spatial and temporal resolution which can characterize the combustion process and also validate combustion

Health behavior in the Nordic countries

This paper provides a descriptive analysis of the level of and change in cigarette smoking, excessive alcohol consumption and body weight in Nordic countries and compares them with non-Nordic OECD countries. Our results show that the average prevalence of daily smokers is significantly lower for Nordic countries compared to non-Nordic countries. Four out of five Nordic countries are below the non-

Do kidney transplantations save money? – A study using a before–after design and multiple register-based data from Sweden

Background: The health care costs of kidney transplantation and dialysis are generally unknown. This study estimates the Swedish health care costs of kidney transplantation and dialysis over 10 years from a health care perspective.Method: A before–after design was used, in which the patients served as their own controls. Health care costs the year before transplantation were assumed to continue in

Combined Low and High Pressure EGR for Higher Brake Efficiency with Partially Premixed Combustion

The concept of Partially Premixed Combustion (PPC) in internal combustion engines has shown to yield high gross indicated efficiencies, but at the expense of gas exchange efficiencies. Most of the experimental research on partially premixed combustion has been conducted on compression ignition engines designed to operate on diesel fuel and relatively high exhaust temperatures. The partially premix

Comparison of Gasoline and Primary Reference Fuel in the Transition from HCCI to PPC

Our previous research investigated the sensitivity of combustion phasing to intake temperature and injection timing during the transition from homogeneous charge compression ignition (HCCI) to partially premixed combustion (PPC) fuelled with generic gasoline. The results directed particular attention to the relationship between intake temperature and combustion phasing which reflected the changing

Local and trans-Atlantic chemostratigraphic significance of new δ13Ccarb data from the Sandbian and Katian Stages (Middle–Upper Ordovician) of the Oslo region, Norway

Late Sandbian to early Katian δ13Ccarb chemostratigraphy has in Norway been described in only two previous reports that dealt with two geographically rather widely separated areas, namely the Oslo-Asker district and the Nes-Hamar district. No data have been available from the Ordovician outcrop areas between these districts that could help clarify the partly unclear regional stratigraphic relation

Reduced kidney function is associated with BMD, bone loss and markers of mineral homeostasis in older women : a 10-year longitudinal study

Summary: Kidney function decreases with age; however, the long-term influence on bone density (BMD) in older women already at risk of osteoporosis is unknown. We followed kidney function and bone loss for 10 years. Declining kidney function was adversely associated with bone loss and mineral homeostasis in old women, though it attenuated with advanced aging. Introduction: Existing studies do not f

Prenatal mercury exposure, maternal seafood consumption and associations with child language at five years

Background: Methyl mercury (MeHg) is a well-known neurotoxin and evidence suggests that also low level exposure may affect prenatal neurodevelopment. Uncertainty exists as to whether the maternal MeHg burden in Norway might affect child neurodevelopment. Objective: To evaluate the association between prenatal mercury exposure, maternal seafood consumption and child language and communication skill

Prevalence of IgA-antigliadin antibodies and IgA-antiendomysium antibodies related to celiac disease in children with Down syndrome

OBJECTIVE: This study was undertaken to investigate the prevalence of celiac disease in children and adolescents with Down syndrome.MATERIAL AND METHODS: Forty-three children and adolescents with Down syndrome were screened for IgA-antigliadin antibodies (AGA) and IgA-antiendomysium antibodies (EMA). Patients found to be either AGA- or EMA-positive were investigated further with intestinal biopsy.

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OBJECTIVE: This study aimed to determine the host preferences in blood meal of specimens belonging to Culex pipiens complex.METHODS: A total of 1284 female mosquitos were morphologically examined, and genomic DNA isolations were individually performed on 376 (28.4%) specimens that were determined to be Cx. pipiens complex. PCR was performed with primers to specifically amplify the avian and mammal

Wet work exposure and hand eczema among healthcare workers - a cross-sectional study

BACKGROUND: Hand eczema is more common in healthcare workers compared to the general population. The hands are subject to changing occupational exposures due to mandatory hygiene regulations for health care workers.OBJECTIVES: To describe the exposure due to hygiene procedures and investigate the associations between occupational hand washing, use of non-sterile gloves, and hand disinfectant and s

Open channel deterministic lateral displacement for particle and cell sorting

We present the use of capillary driven flow over patterned surfaces to achieve cheap and simple, but powerful separation of biologically relevant particle systems. The wide use of microfluidics is often hampered by the propensity for devices to clog due to the small channel sizes and the inability to access the interior of devices for cleaning. Often the devices can only be used for a limited dura

Maternal obesity as a risk factor for early childhood type 1 diabetes : a nationwide, prospective, population-based case-control study

AIMS/HYPOTHESIS: Genetic and environmental factors are believed to cause type 1 diabetes. The aim of this study was to investigate the influence of maternal BMI and gestational weight gain on the subsequent risk of childhood type 1 diabetes.METHODS: Children in the Swedish National Quality Register for Diabetes in Children were matched with control children from the Swedish Medical Birth Register.