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To define the early cytogenetic events important in esophageal carcinogenesis, we immortalized normal esophageal epithelial cells by overexpression of human papillomavirus type 16 E6/E7 (HPV16E6/E7) and human telomerase reverse transcriptase (hTERT), and characterized the chromosomal abnormalities serially before and after Cellular immortalizaiton. During crisis. most cells had simple nonclonal ka

High-spin states of a number of nuclei near Ni-56 have been studied by means of the Si-28(Ar-36,x alpha ypzn) reaction. The GAMMASPHERE array in conjunction with light charged particle and neutron detectors were used to identify and cleanly select the fusion-evaporation products. In addition to significantly extending the level schemes of many previously known N = Z nuclei from Fe-52 to Cu-58, exc

This article is an overview, introducing the currently used supercritical carbon dioxide (scCO2) based technology in association to biotechnological applications. Within each application, the basic principles of the technique, a description of the instrumentation, methodology, and problems encountered, and advantages over the traditional methods are discussed. The areas covered in this paper inclu

Background Sensory information from mechanoreceptors in the skin, muscles, tendons, and joint structures plays an important role in joint stability. A joint injury can lead to disruption of the sensory system, which can be measured by proprioceptive acuity. When evaluating proprioception, assessment tools need to be reliable. The aim of this study was to assess the test-retest reliability of a de

Mechanisms controlling microbial degradation of dissolved organic matter (DOM) in aquatic environments are poorly understood, although microbes are crucial to global nutrient cycling. Bacterial cell wall components may be one of the keys in understanding the presence of slowly degrading DOM in nature. We found that dominant components of bacterial cell walls (D-amino acids (D-AA), glucosamine (Glu

There is a problem with overtraining when applying Artificial Neural Networks to a classification problem. One factor that strongly influences the overtraining is the network topology. Understanding the role of the network topology is therefore important to enable the creation of more efficient Artificial Neural Networks.

Thermal actions have a signicant eect on bridge structures and can at some sections account for more than 20% of the reinforcement. Such actions are especially important in certain types of concrete bridges, e.g. portal frame bridges. Thermal actions dier from other load types considered during bridge design through being a constraining load. A temperature prole can be divided into a uniform part

Syftet med uppsatsen är att utreda gränsdragningen av ett samtyckes ansvarsbefriande verkan vid misshandelsfall av normalgraden i sexuella sammanhang. Dessa fall rör sig i gränslandet mellan det straffbara och det straffria. Uppsatsen utreder gränslandet genom att se till hur ett ansvarsbefriande samtycke är uppbyggt. Det konstateras att det krävs ett giltigt samtycke och att själva gärningen inteThe purpose of this bachelor thesis is to investigate the boundary of a consent exonerating effect on assaults of the normal degree made in a sexual context. Such cases are located at the boundary between the criminal and impunity. The paper investigates the boundary area by looking at how an exonerating consent is constructed. It is noted that there is a need for a valid consent and that the act

Abstract Inbreeding (selfing) was investigated already by Charles Darwin, who wanted to understand why outcrossing (non-selfing) is the predominant mating choice in the kingdom of plants. He found that inbreeding often results in less viable and fertile plants compared to outcrossing, what is known as inbreeding depression, and can be explained with increased homozygosity in the inbred, making the

The polymer PTFE has become an important and widely used sealing material in the valve industry in recent years. It provides good strength and low friction, but it is sensitive to stress relaxation, i.e. loss of stiffness with time. This in turns may cause problems with leaking seals. The objective of this master’s dissertation is to perform a stress analysis of the PTFE sleeve used in an indust

This is a master thesis about how to be able to clean an open device during assembly for the company of McNeil AB. McNeil AB is a company in Helsingborg, Sweden, producing the Nicorette brand, which is a nicotine based product line which helps people stop smoking. McNeil AB's problem was that they had some contamination in their mouth spray product and thus a solution for the cleaning of a via

This master's thesis is a study on the gender system of the Swedish dialect spoken in Jämtland, a province in northern Sweden. The Jämtlandic dialect preserves to a large extent the three-gender system that was present in Old Swedish, in which nouns can be either masculine, feminine or neuter. The three-gender system manifests in anaphoric pronouns and as agreement in the noun phrase. However,

In order to apply combustion feedback control in diesel engines to control pollution formation, good models are needed to estimate the states. One of those would be NOx levels which are regulated by European law. There are conventional sensors on the market that can measure NOx but these are too slow for in-cycle feedback control. The purpose of this thesis was to derive a model to estimate NOx wh

An experimental study of the Zn-62 nucleus has been performed by combining the data sets from four fusion-evaporation reaction experiments. Apart from the previously published data, the present results include ten new rotational band structures and two more superdeformed bands. The Gammasphere Ge-detector array in conjunction with the 4 pi charged-particle detector array Microball allowed for the