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Two- and three-photon ionization of rare gases using femtosecond harmonic pulses generated in a gas medium

The fifth harmonic of a 60-fs 10-Hz terawatt titanium:sapphire laser generated in Xe gas is used to ionize Xe and Kr atoms by nonresonant two-photon absorption and At atoms through a quasiresonant three-photon process. At relatively low harmonic yields, the variation of the number of Kr and Xe ions with the number of harmonic photons is quadratic. At high harmonic yields, it deviates from a quadra

An Optimal Sampling Technique for Distinguishing Random S-boxes

The nonrandom behavior of the outputs of a random S-box can be exploited when constructing distinguishers for cryptographic primitives. Different methods of constructing samples from the outputs have been used in the literature. However, it has been unclear exactly how these methods differ and which method is optimal. We analyze four different sampling techniques. We prove that two of these sampli

Cancer incidence among Turkish, Chilean, and North African first-generation immigrants in Sweden compared with residents in the countries of origin and native Swedes.

We compared the incidence of cancer among Turkish, Chilean, and North African (NA) first-generation immigrants with residents in their countries of origin and native Swedes. The Swedish Family-Cancer Database was used to calculate age-standardized incidence rates. We compared the age-standardized incidence rates for immigrants with those in the Cancer Incidence in Five Continents report. All-cance

Lactational Exposure to Di (2-ethylhexyl) Phthalate Impairs the Ovarian and Uterine Function of Adult Offspring Rat.

Phthalates, a class of chemicals used as plasticizers, are economically important due to several industrial applications. Di-(2-ethylhexyl) phthalate (DEHP) is the most commonly used phthalate plasticizer, and it has been described as a potent antiandrogen in males. In this study, lactating dams were exposed via oral gavage to corn oil (vehicle) and DEHP (1, 10, and 100 mg/kg body weight) from pos

Caspase signalling controls microglia activation and neurotoxicity.

Activation of microglia and inflammation-mediated neurotoxicity are suggested to play a decisive role in the pathogenesis of several neurodegenerative disorders. Activated microglia release pro-inflammatory factors that may be neurotoxic. Here we show that the orderly activation of caspase-8 and caspase-3/7, known executioners of apoptotic cell death, regulate microglia activation through a protei

First Responders: Dynamics of Pre-Gliotic Müller Cell Responses in The Isolated Adult Rat Retina.

Abstract Purpose: To explore the early reactions of the retinal Müller glia in response to retinal insult prior to gliotic remodeling and the sustained upregulation of intermediate filament glial fibrillary acidic protein (GFAP), which has traditionally been considered the most sensitive early indicator of reactive gliosis. Methods: To study pre-gliotic events, we used a model of adult rat retinal

Älskade ondska

Krönika om seriemördare i kriminaljournalistik och i populärkultur med anledning av fallet Thomas Quick

Human immunodeficiency virus type 1 biological variation and coreceptor use: from concept to clinical significance.

There is ample evidence for intra-patient evolution of the human immunodeficiency virus type 1 (HIV-1) biological phenotype during the pathogenic process. Evolution often involves switch of coreceptor use from CCR5 to CXCR4, but change to more flexible use of CCR5 occurs over time even in patients with maintained CCR5 use. The increasing use of entry inhibitors in the clinic, often specific for on

Incident management in urban transportation: application of data mining

Better understanding of the impacts of an incident may help analysts to design more appropriate incident management strategies. Very little is known to date about the usefulness of applying data mining in traffic and transport related research, although data mining has contributed its usefulness significantly in other fields. This research is intended to discover the relationship between motor veh

Children diagnosed with type 1 diabetes: a randomized controlled trial comparing hospital versus home-based care.

Aim: To compare two different regimens for children diagnosed with type 1 diabetes: hospital-based care or hospital-based home care (HBHC), referring to specialist care in a home-based setting. Method: The trial took place in Sweden with a randomized controlled design and included 60 children, aged 3-15 years. After 2-3 days with hospital-based care, children were randomized to either continue

Shaping the climate for language shift? English in Sweden's elite domains

This paper investigates how & to what degree English is used in specific elite domains in Sweden through analysis of (1) language requirements to participate in undergraduate & graduate programs at competitive institutions, & (2) language qualifications & language use patterns in elite professions. We find that English is used pervasively, but not exclusively. The paper also explor