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Cell migration is the first step of the invasive process, which is part of the malignant phenotype, and the uPA receptor (uPAR) plays a central role in cell migration. We studied the role of EGF and estrogen on cell migration and uPAR expression in ovarian cancer cell lines. We also analyzed the diagnostic and prognostic value of cleaved forms of the uPAR in plasma from patients with ovarian tumor
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Tutors: Stefan U Klingberg, Director Strategic Planning, Scania CV AB Ulf Paulsson, Ph.D in Engineering, Department of Business Administration Malin Olander Roese, Department of Design Sciences, LTH Issue of study: Services dominate the economy of today why it becomes essential for companies to add value through services. Still many companies fail to do so. The main reason is existing knowledge
Detta arbete handlar om en behandlingsteknik för hudterapi där lågenergetiska elektroner utnyttjas för strålbehandling där patienten står eller sitter på en roterande plattform. För att behandlingen skall få ett lyckat resultat krävs en viss stråldos (den absorberade energin per massenhet) till patientens hud. För att kontrollera att dosen är rätt används normalt mätningar med olika detektorer. DeBackground and purpose: This study refers to a rotational radiotherapy technique for the treatment of mycosis fungoides. Patients are irradiated by a high dose-rate low-energy electron beam while they stand on a rotating platform. This report presents a first effort to use the Geant4 simulation program to calculate the relation between the stationary and rotational depth dose distributions in an e
The project was performed for FAS Converting Machinery AB (FAS) in Ystad with supervision from Industriell Elektroteknik och Automation at LTH. FAS is a company that makes machines for producing plastic bags on a roll. The problem given was to develop a sensor for detecting the perforations in the bags to ensure that the correct amount of bags was rolled up and that the tearing was in the right pl
In this work the photoelectric effect is explored through simulations of the phase shift that an IR-field can induce into an electron wave packet and the photoelectron distribution over frequency components that is produced in the photoionization of an atom with a attosecond pulses made of XUV photons. The IR-field is sent along two attosecond pulses made of XUV photons towards a 3D momentum spect
År 2018 införlivades Europeiska Unionens dataskyddsförordning i svensk rätt och dataskydd som ämne fick en allt större uppmärksamhet i media och i debatt. Dataskyddets framväxt började dock tidigare än så och är en viktig fråga för både enskild individ som för stat och företag. Tack vare en snabb teknisk utveckling och smarta algoritmer är personlig information en allt mer värdefull tillgång hos In 2018, the European Union's General Data Protection Regulation (the GDPR) was incorporated into Swedish law, and data protection as such was increasingly noticed and given attention in the media. However, the emergence of data protection began a lot earlier than 2018 and is an important matter as for both individuals such as the state and companies. Through rapid technological development a
Transformativt ledarskap är en av de mest inflytelserika teorierna inom ledarskapsforskning idag och dess fördelar har blivit uppmärksammade från flertalet perspektiv. Syftet med följande studie var att undersöka relationen mellan personlighetsdrag i HEXACO-modellen, en utmanare till den etablerade femfaktormodellen, och uppskattandet av transformativ ledarskapsstil. Datan samlades in genom en intTransformational leadership is one of the most influential theories in leadership research today and its benefits have been highlighted from several perspectives. The purpose of the following study was to examine the relationship between personality traits in the HEXACO model, a contender to the established five-factor model, and the appreciation of transformational leadership style. The data was
The term bibliotherapy is well known in several scientific fields as well as among practitioners in the US and in the UK, but in Sweden there seems to be a more modest use of the term as well as presence of practical bibliotherapeutic activity. On the other hand, some of the effects of reading that are commonly associated with bibliotherapy in the scientific literature seems to be similar to the e
Popular Abstract in Swedish I många utvecklingsländer i tropiska klimat leder den snabba urbaniseringen till många problem, bl a försämrad termisk komfort i utemiljön. Detta har negativa följder för människors hälsa och välbefinnande och påverkar sociala och kommersiella aktiviteter utomhus negativt. Följaktligen är det mycket viktigt att åstadkomma komfortabla mikroklimat i urban miljö. Den huvuIn many developing tropical countries, rapid urban growth leads to several problems, including increased thermal stress. This has negative consequences for people's health and well-being, and affects social and commercial outdoor activities negatively. Consequently, the creation of thermally comfortable microclimates in urban environments is highly important. The main aim of this thesis is to dee
Att behandla tumörsjukdomar genom injektion av radioaktiva läkemedel är en behandlingsteknik kallad radionuklidterapi. Det radioaktiva läkemedlet består av en radioaktiv isotop, fäst på en målsökande bärarmolekyl, specifik för den vävnad vari man önskar att läkemedlet skall ansamlas. Då den radioaktiva isotopen sönderfaller sänds joniserande strålning ut; strålning med förmågan att jonisera molekyIntroduction: There is a need of reassessment of radiation absorbed dose specification in nuclear medicine, taking the non-uniformities in the distribution of radioactivity into account. This is especially important in radionuclide therapies where very high activities are administered and the radionuclides emit alpha particles, beta particles or low-energy electron and will require absorbed dose c
In this master thesis an equipment for measuring the quality on various grains within the agricultural industry is being investigated. The equipment is manufactured by FOSS Tecator a company situated in the beautiful city of Höganäs in Sweden. The food-analyzing is conducted with so called NIR-spectrometry, a method in which the grain is exposed to light with various wavelengths. The different wav
This thesis has two aims: The main purpose is to describe and illustrate how a large Ltd. company can use voluntary redundancy as a tool for restructuring. The additional purpose is to challenge the concept of voluntary redundancy trough outlining alternative ways of reaching the intended achievements of the voluntary redundancy programme. The theoretical framework that has been used primarily con
COMPANIES: Pågen AB, SAS Airline, Öresundskraft AB PURPOSE: The purpose of this master thesis was to investigate the phenomenon of internal branding, with the aim of creating a process model to be used as guidance by companies when implementing an internal branding strategy in the organisation. METHOD: To carry out our research, we performed a theoretical as well as an empirical study. The empiric
Introduction: While it is recognized that there are costs associated with postoperative patient follow-up, risk assessments of catastrophic health expenditures (CHEs) due to surgery in sub-Saharan Africa rarely include expenses after discharge. We describe patient-level costs for cesarean section (c-section) and follow-up care up to postoperative day (POD) 30 and evaluate the contribution of follo
Tailoring the activity of an organometallic catalyst usually requires a targeted ligand design. Tuning the ligand bulkiness and tuning the electronic properties are popular approaches, which are somehow interdependent because substituents of different sizes within ligands can determine inter alia the occurrence of different degrees of inductive effects. Ligand basicity, in particular, turned
Context.Gaia's third data release provides radial velocities for 33 million stars and spectroscopically derived atmospheric parameters for more than 5 million targets. When combined with the astrometric data, these allow us to derive orbital and stellar parameters that are key to understanding the stellar populations of the Milky Way and to perform Galactic archaeology. Aims. We used the calibrate
