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Conformational and Dynamical Aspects of Conjugated Polymers and Oligomers of Interest for Photoluminescence

Popular Abstract in Swedish Lysande plast, finns det? Tanken är att att tunn plast-film skall kunna användas som ihoprullbara tunna TV- och datorskärmar, som lysdioder, som mottagare i solceller och som transistorer. Till vardags är förmodligen den vanligaste uppfattningen att plast är ett isolerande material som inte leder ström och som därför heller inte lyser. Faktum är att bara en del av plasTransient absorption laser spectroscopy and resonance Raman spectrscopy have been used to study conjugated polymers and oligomers. To extract more information the measurements have been compared to computer simulations and calculations. In order to obtain a better understanding of the role of conformational disorder in the photophysics of light-emitting, conjugated polymers the ultrafast transient

An Ultra-Low-Power Application-Specific Processor for Compressed Sensing

Compressed sensing (CS) is a universal low-complexity data compression technique for signals that have a sparse representation in some domain. While CS data compression can be done both in the analog- and digital domain, digital implementations are often used on low-power sensor nodes, where an ultra-low-power (ULP) processor carries out the algorithm on Nyquist-rate sampled data. In such systems

Intrauterine blood flow and postnatal development.

Fetal experience forms the basis for postnatal life. This relationship may be obvious in the newborn infant, although it is sometimes not apparent until later in development. One fetal condition with known implications for later life is intrauterine growth restriction (IUGR), which ranges from being an important factor in perinatal mortality to affecting morbidity in adulthood. The process of grow

The Long Lasting Influenza: The Impact of Fetal Stress during the 1918 Influenza Pandemic on Socioeconomic Attainment and Health in Sweden 1968-2012

The observation in the 1940s, that children to mothers having rubella in the first part of the pregnancy experienced elevated health risks in later life led to a growing interest into whether fetal exposure to other – less severe – diseases could cause health problems as well. Epidemiological studies of the fetal origins of later life health that followed found that, while this indeed was the case

Meta-managing: A Study on How Superiors and Subordinates Manage Their Relationship in Everyday Work

In virtually every organization we find formally appointed managers, but nevertheless we tend to condemn the idea of formal hierarchy and celebrate alternative modes of governance that better respect the discretion of employees. This tension, that seemingly surrounds the vertical dimension of contemporary organizations, forms the backdrop of this study which examines how superiors and subordinates

Utvärderingsmodeller för områden med kusterosion

Idag lever 16 % av alla Europas invånare i kustområden, detta är en fördubbling de senaste 50 året. Samtidigt är kustområdena viktiga för mångfalden inom flora och fauna. Kustområden och våtmarker är viktiga i näringskedjan och för tillgången på t ex dricksvatten, och stränder är viktiga tillgångar för turism och friluftsliv. Europaparlamentet och europeiska unionens råd har tagit fram en rekomm

Detection of HCl in a Premixed CH4/O-2/Ar Flame Seeded with CHCl3 Using Mid-IR Polarization Spectroscopy

Mid-infrared polarization spectroscopy (IRPS) was applied to detect HCl in flames. For the first time, sensitive and nonin trusive HCl detection with a manner of high spatial- and temporal-resolution in harsh reactive gas flow has been demonstrated in this work. In an atmospheric pressure premixed CH4/O-2/Ar flat flame, trace level HCl was prepared by seeding small amount chloroform through the Ar

Operation and performance limitations for solid oxide fuel cells and gas turbines in a hybrid system

Temperature limitations of Solid Oxide Fuel Cells (SOFC) in transient single operation and steady-state Hybrid System (HS) operation with Gas Turbines (GT) are presented. For transient SOFC simulations, an unsteady-state SOFC model was developed by upgrading a detailed validated steady-state model. As critical SOFC single operation modes, concerning the risk of material cracking due to exceeding S

Solar wind electric field modulation of the NAO: A correlation analysis in the lower atmosphere

Using geopotential height data we find a strong correlation between theelectric field strength E of the solar wind and pressure variations inthe stratosphere and troposphere. The large-scale evolution of E seemsto influence the stratospheric pressure in both hemispheres with theexception of the polar regions. For the tropospheric pressure theinfluence is concentrated to an area in the northern Atl

Polyamines are involved in the regulation of S phase and DNA synthesis

Popular Abstract in Swedish För att celler ska kunna växa och dela sig behöver de många olika ämnen, till exempel vitaminer, mineraler och polyaminer. Polyaminer finns i alla celler och de krävs för att cellerna ska kunna dela eller specialisera sig. Cellerna kan både själva tillverka polyaminer och ta upp dem från omgivningen. I mänskliga celler finns framför allt de tre polyaminerna putrescin, sOur research group has previously shown that treatment with the polyamine biosynthesis inhibitors a-difluoromethylornithine (DFMO) or amidinoindan-1-one 2´-amidinohydrazone (CGP 48664) inhibited S phase progression before any other cell cycle phase was affected. This study was undertaken to further investigate the role of polyamines in the regulation of S phase progression and DNA synthesis. I hav