Sökresultat

Filtyp

Din sökning på "*" gav 526204 sökträffar

Temporary Migration in India: Findings from Statistical Data and Learnings from Case Studies

The subject of rural-urban migration in India and its close association with the question of rural development has been studied over a long period of time. Official data suggests that short-term migration is a rare phenomenon in India while several case studies from across the country reveal quite the opposite. This paper has attempted to identify some loopholes in the official data. It has furthe

Modeled subalpine plant community response to climate change and atmospheric nitrogen deposition in Rocky Mountain National Park, USA.

To evaluate potential long-term effects of climate change and atmospheric nitrogen (N) deposition on subalpine ecosystems, the coupled biogeochemical and vegetation community competition model ForSAFE-Veg was applied to a site at the Loch Vale watershed of Rocky Mountain National Park, Colorado. Changes in climate and N deposition since 1900 resulted in pronounced changes in simulated plant specie

Cyclic carbonates as monomers for phosgene- and isocyanate-free polyurethanes and polycarbonates

Polyurethanes and polycarbonates are widely used in a variety of applications including engineering, optical devices, and high-performance adhesives and coatings, etc., and are expected to find use also in the biomedical field owing to their biocompatibility and low toxicity. However, these polymers are currently produced using hazardous phosgene and isocyanates, which are derived from the reactio

Taxonomic Implications of Morphological Variation in Cercis canadensis (Fabaceae) from Mexico and Adjacent Parts of Texas

Taxonomic treatments recognize three varieties of Cercis canadensis: with variety canadensis, widespread throughout the eastern United States, and varieties texensis and mexicana, found east and west of the Pecos River in Texas, respectively. The distribution of Cercis continues southward into northeastern Mexico, but complex variation in leaf shape has confounded straightforward application of va

Radiography, tomosynthesis, CT and MRI in the evaluation of pulmonary cystic fibrosis: an untangling review of the multitude of scoring systems.

The first radiographic scoring system for pulmonary cystic fibrosis was presented in 1958. Since then a multitude of scoring systems for radiography and computed tomography (CT) have been presented, recently also for tomosynthesis and magnetic resonance imaging (MRI). The aim of the current review was to analyse and compare the plethora of scoring systems for cystic fibrosis, especially regarding

PARENTS’ POSTNATAL SENSE OF SECURITY (PPSS)- developing an instrument and description of important factors based on mothers’ and fathers’ experiences

The overall aim of this thesis was to develop and evaluate a specific instrument, measuring both mothers’ and fathers’ postnatal sense of security during the first postnatal week, and to explore and describe important factors associated with this. Data was collected from 2003 to 2009. The thesis has a methodological (Paper I), an evaluative (Paper II) and an explorative and descriptive design (P

Ankylosing Spondylitis Susceptibility and Severity-Contribution of TNF Gene Promoter Polymorphisms at Positions-238 and-308

Ankylosing spondylitis (AS) is a chronic inflammatory disease in which genetic factors play a central role. The efficacy of TNF blockers has reoriented research in this field in order to explain the influence of TNF in AS pathogenesis. The objective of this study was to access the influence of single nucleotide polymorphisms (SNPs) at positions -308 and -238 of the promoter region of TNF gene on A

Impaired Mitochondrial Function and Insulin Resistance of Skeletal Muscle in Mitochondrial Diabetes

OBJECTIVE - Impaired muscular mitochondrial function is related to common insulin resistance in type 2 diabetes. Mitochondrial diseases frequently lead to diabetes, which is mostly attributed to defective beta-cell mitochondria and secretion. RESEARCH DESIGN AND METHODS - We assessed muscular mitochondrial function and lipid deposition in liver (hepatocellular lipids [HCLs]) and muscle (intramyoce

Isolation and characterization of a stress responsive small GTP-binding protein AhRabG3b in peanut (Arachis hypogaea L.)

Rab7 is a member of small GTP-binding protein family involved in intracellular vesicle trafficking from late endosome to vacuole, some of them are found to be responsive by different environmental stresses. Here we report the isolation of a Rab7 (RabG3b) cDNA from peanut (Arachis hypogaea). Overexpression of the open reading frame (ORF) of Rab7 cDNA encoding 205 amino acids in E. coli conferred th

Macronutrient Composition of the Diet and Prospective Weight Change in Participants of the EPIC-PANACEA Study

Background: The effect of the macronutrient composition of the usual diet on long term weight maintenance remains controversial. Methods: 373,803 subjects aged 25-70 years were recruited in 10 European countries (1992-2000) in the PANACEA project of the EPIC cohort. Diet was assessed at baseline using country-specific validated questionnaires and weight and height were measured at baseline and sel

Lieb-Thirring inequalities on the half-line with critical exponent

We consider the operator -d(2)/dr(2) - V in L-2(R+) with Dirichlet boundary condition at the origin. For the moments of its negative eigenvalues we prove the bound [GRAPHICS] for any alpha is an element of [0, 1) and gamma >= (1 - alpha)/2. This includes a Lieb-Thirring inequality in the critical endpoint case.

From Cell Shape to Body Shape: Epithelial Morphogenesis in Drosophila melanogaster

Embryonic development is associated with extensive rearrangements of tissues. The driving force for these rearrangements is generated by a dynamic reorganization of the Actin cytoskeleton of individual cells. In many instances, conserved Rho-family GTPases that are activated by Rho guanine nucleotide exchange factors (RhoGEFs) play an important role in this process. The present thesis investigates

Evolutionary responses to environmental changes: How does competition affect adaptation?

The role and importance of ecological interactions for evolutionary responses to environmental changes is to large extent unknown. Here it is shown that interspecific competition may slow down rates of adaptation substantially and fundamentally change patterns of adaptation to long-term environmental changes. In the model investigated here, species compete for resources distributed along an ecolog

Governing Decarbonisation : The State and the New Politics of Climate Change

Popular Abstract in English The new climate politics of decarbonisation address the prospects for moving society away from its current dependence on fossil carbon energy. In this compilation dissertation, Hildingsson explores the role of the state as a critical site for progressive climate action, and examines its capacity to govern decarbonisation by transforming systems, structures and practicesThis dissertation examines the “new climate politics of decarbonisation” and the role of the state as a site for progressive climate action. This new politics concerns transformative social change aimed at moving society away from its current dependence on fossil carbon energy. A transition to low-carbon societal development hinges on restructuring and decarbonising those key systems, structures a

Combinatorial nuclear level-density model

A microscopic nuclear level-density model is presented. The model is a completely combinatorial (micro-canonical) model based on the folded-Yukawa single-particle potential and includes explicit treatment of pairing, rotational and vibrational states. The microscopic character of all states enables extraction of level-distribution functions with respect to pairing gaps, parity and angular momentum

The role of transnational dimensions in emerging economy 'Technological Innovation Systems' for clean-tech

The 'Technological Innovation System' (TIS) framework and its system functions have become a popular analytical tool for the study of clean-tech innovation. There is increasing attention for the role of emerging economies in global clean-tech innovation, but the applicability of TIS to emerging economies cases is not entirely straightforward. A key issue is the limited geographical considerations,