Dissertations / Theses on the topic 'Statiner'
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Risnes, Martha. "Statiner somprimærforebygging avkardiovaskulær sykdom." Thesis, Umeå universitet, Kemiska institutionen, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-94674.
Full textWahlberg, Daniel. "Statiner och ALS En litteraturstudie om incidens och sjukdomsförlopp : Statiner och ALS En litteraturstudie om incidens och sjukdomsförlopp." Thesis, Umeå universitet, Institutionen för integrativ medicinsk biologi (IMB), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-173202.
Full textAndersson, Carina. "Påverkar statiner effekter av fysisk aktivitet/skelettmusklernas funktion?" Thesis, Linnéuniversitetet, Institutionen för kemi och biomedicin (KOB), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-75126.
Full textPetersson, Kristina. "Har den lipidsänkande läkemedelsgruppen statiner en påverkan på neuropati?" Thesis, Linnéuniversitetet, Institutionen för kemi och biomedicin (KOB), 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-25699.
Full textBackground: Cardiovascular disease is one of the chronic diseases that afflict the world with 17.5 million deaths per year, in particular coronary heart disease and stroke. The National Board in Sweden reported for 2011 that 464 847 patients collected drugs from the pharmacies that affect the serum lipid levels. The most collected drugs were statins standing for 455 716. The rare side effects (1/10 000) affecting the CNS (central nervous system) and the PNS (peripheral nervous system) were headache, parastesies, dizziness, peripheral neuropathy and polyneuropathy. Between the years of 1988 to 2012, the Swedis (a database of side effects) reported 258 adverse reactions related to statins and neurological side effects. Within the neurological side effect reports there were three groups related to the purpose in this study; peripheral neuropathy (2), polyneuropathy (10) and neuropathy (12). Objective: The purpose of this study was to collate scientific publications regarding the direct effects of the statins on the peripheral nervous system. It was also to present a possible explanation for the onset of neuropathy. Results: The theories concerning development of neuropathy with statin therapy includes a disturbed cholesterol synthesis, leading to disruption of cholesterol-rich neuronal membrane. Also, a decreased synthesis of ubiquinone coenzymes, which affect the electron transport of the mitochondrial respiratory chain, was shown. This in turn disturbs the flow production of energy (ATP) in the various neurons. Electrophysiological measurements were performed in many studies that showed changes in both sensory and motor nerves after treatment with statins. Statin therapy was shown to increase the risk of developing peripheral neuropathy. An increased risk was seen at higher doses than recommended, and in long term treatment. Statin treatment of diabetic neuropathy was shown to improve nerve conduction velocity in motor nerves with 5% (P <0.05). Statin therapy in type 2 DM (diabetes mellitus) patients was shown to have a protective effect from developing peripheral neuropathy. Larebs database in the Netherlands reports that the reporting odds ratios (ROR) were 3.7. The WHO reports that ROR was 2.86. Conclusion: Change of the nerve membrane in conjunction with a reduced cholesterol synthesis alters membrane composition thus function. A reduced cholesterol synthesis also seems to disturb the mitochondrial respiratory chain due to decreased levels of the coenzyme Q10, which in turn can cause neuropathy. Statin therapy increases the risk of developing neuropathy, especially when using higher than recommended doses and in long-term treatment. In contrast, statin-treated patients with DM type 2 got a better nerve conduction and protection against the development of peripheral neuropathy. A group of patients who probably therefore have good benefit of statin therapy is the DM type 2 patients. The use of statins to other groups of patients might instead cause neuropathy. More studies are needed to confirm the results. The frequency of reported adverse event reports involving statins and neuropathy is higher than other reported side effects.
Eriksson, Theres. "Effekten av statiner för förebyggande av hjärt- och kärlsjukdomar." Thesis, Linnéuniversitetet, Institutionen för kemi och biomedicin (KOB), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-62038.
Full textAndersson, Mari. "Har kost och statiner var för sig eller i kombination någon effekt på LDL och HDL?" Thesis, Linnéuniversitetet, Institutionen för kemi och biomedicin (KOB), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-82401.
Full textBackground: Cholesterol is an important part in our cells. Cholesterol stabilize cell membranes and is needed for the synthesis of estrogen, testosterone, cortisol, vitamin D and in the formation of bile acid. Cholesterol is synthesized in the liver but the body also absorbs cholesterol from the diet. The transport of cholesterol in the blood is taken care of by LDL and HDL. When the levels of LDL are increased and HDL are decreased there is an increased risk of developing atherosclerosis and cardiovascular diseases which are the main cause of death in the western countries. Purpose: One of three different purposes of this presented study was to evaluate if the levels of low-density lipoprotein (LDL) and high-density lipoprotein (HDL) were changed when following different diets. The second purpose was to study the change in levels of LDL and HDL change after treatment with statins as monotherapy or in combination with ezetimibe. The third part of this study was to see how LDL and HDL were changed when different diets were combined with statins. Method: This work was a literature study based on seven different randomized controlled trials that were found in the database PubMed. Three of the studies evaluated the role of the different diets when aiming at reducing the cholesterol levels. In two of the studies patients were either treated with atorvastatin as monotherapy or with atorvastatin plus ezetimib. The last two studies evaluated the use of simvastatin in combination with LCHF-diet as compared to the use of simvastatin plus ezetimib which were used in combination with a LCHF-diet. Results: The results showed that weight reduction and the choice of a specific diet are important factors when aiming at a decrease in levels of LDL and an increase in levels of HDL. Moreover, results obtained also suggested that statins, when used in combination with ezetimibe, gave the largest effect and was found to decrease levels of LDL and increase levels of HDL. According to the results, it may be concluded that the controlled release of simvastatin has an equivalent effect on these levels regardless if administered in the morning or in the evening. Conclusion: The results obtained in this work suggest that weight reduction and eating according to a diet that consists of a low proportion of carbohydrates may be a good and safe approach to reduce the levels of LDL and increase the levels of HDL. Statins can be considered to be the first alternative to treat dyslipidemia and should be used at elevated levels of cholesterol. To achieve the best result, an analysis of the selected literature in this work, suggest that a low-carbohydrate diet should be combined with the use of statins and ezetimibe.
Mohammed, Jamil Ghadir. "Kan statiner förebygga eller vara effektiv behandling av bröst-och prostatacancer?" Thesis, Linnéuniversitetet, Institutionen för kemi och biomedicin (KOB), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-101231.
Full textBackground: Statins are used to lower cholesterol levels and with the aim to reduce the risk of developing cardiovascular disease in the future. The statins work by inhibiting the first step in the synthesis of cholesterol in the liver, which is conversion of mevalonic acid. Decreased cholesterol synthesis increases the absorption of cholesterol thereby reducing the level of cholesterol in the blood.Lower cholesterol levels are postulated to reduce the risk of breast and prostate cancer. This is because the inhibition of the mevalonate pathway also leads to the blocking of isoprenoid molecules Farnesylpyrofosfat and Geranylgeranylpyrofosfat, which can cause degradation of P27 by activating other signaling molecules. This molecule has a role in controlling tumor proliferation by inhibiting cyclin dependent kinase in cancer cells.Furthermore, cholesterol is a precursor to the sex hormones estrogen and testosterone and high levels of these hormones are linked to increased risk of developing breast and prostate cancer, respectively. Purpose: The purpose of this study was to investigate whether statins can reduce the risk of developing cancer or, alternatively, be used as a treatment for breast and prostate cancer. Method: This literature study is based on four publications, two on breast cancer and two on prostate cancer, which were found via the PubMed database. One article for each type of cancer addresses the possibility of prevention and the other one the efficacy in cancer treatment. Results: The conclusion of this work is that statins are too inefficient to be used as a treatment of manifest cancer. However, they may reduce the risk of cancer slightly, but there is still no conclusive evidence for this.
Ali, Dholfoqar. "Vilken effekt har statiner vid primär- och sekundärprevention av hjärt- och kärlsjukdomar?" Thesis, Linnéuniversitetet, Institutionen för naturvetenskap, NV, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-12009.
Full textBackground: Lipid-lowering drugs, mostly statines, were dispensed during 2011 to 815 000 people from the pharmacies in Sweden. High cholesterol is a major risk factor for development of coronary heart disease (myocardial infarction, angina, intermittent claudicatio intermittens and stroke). Coronary heart disease is the causes of more than 40% of all deaths in Sweden.Lifestyle changes, together with lipid-lowering drugs, statines, are effective treatments. Statines can be administered either to patients that have had a cardiac event i.e. heart attack, stroke (secondary care) or to persons with risk factors i.e. high levels of cholesterol, diabetes, primary care. Objective: with the help of published clinical trials and meta-analysis examine what effect statines have on morbidity / mortality in cardiovascular diseases in primary and secondary care. Results: The studies showed that statins reduce TC, LDL and TG and increase HDL. They also showed that statins reduce major coronary events, cerebrovascular events, mortality from coronary heart disease, unstable angina and revascularization. Statin therapy was associated with increased risk of moderate or severe liver failure, acute renal failure, moderate or severe myopathy and cataracts in both men and women. The risk was dose-dependent and greatest at the first year of treatment. Conclusion: The studies showed that statine treatment reduced the blood level of harmful cholesterol, prevented the atherosclerotic process and thus reduced the need for revascularization. Statin therapy is about two - three times as effective in secondary care as in primary care. One need to treat 60 people, who have had a coronary heart event, during about 5 years to prevent one death and 180 people to prevent a nonfatal cardiovascular event. The effect is similar for men and women and for older and middle aged people. Life expectancy increases by two years. For patients who not have had a coronary heart event but have risk factors i.e. high cholesterol levels, diabetes, one need to treat two - three times as many to achieve the same results (120 patients to prevent one death and 330 to prevent one nonfatal cardiovascular event). The effects of treating healthy individuals with statines are low.Statines are well-established and safe drugs. One noteworthy side effect is myopathy, (rhablomyelos) which is quite unusual as reported from studies.One problem that exists in all prescribed preventive treatments is poor adherence to prescriptions.
Davidsson, Mattias. "Är olika statiner ekvipotenta : en analys av kontemporär evidens inklusive farmakologi och läkemedelskemi." Thesis, Linnéuniversitetet, Institutionen för kemi och biomedicin (KOB), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-85175.
Full textHallberg, Ebba. ""Ska jag ta de här tabletterna?" : Behandling med statiner från kranskärlspatientens synvinkel, en kvalitativ intervjustudie." Thesis, Uppsala University, Department of Public Health and Caring Sciences, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-130343.
Full textBackground: Coronary heart disease kills more than 7 million people worldwide each year. High levels of blood fat, cholesterol, contributes significantly to coronary heart disease. Lifestyle changes combined with lipid-lowering drugs, statins, is an effective treatment. But adherence to statins is low, not even a myocardial infarction always contributes to adherence. Adherence requires patient education and good communication between patient and physician. There is no deeper knowledge of why coronary heart patients stops with statin treatment. Objective: To describe how coronary heart patients experience the disease and the statin treatment, and furthermore, opportunities and difficulties to adhere with statin therapy. Design: An exploratory qualitative study. Method: 10 male coronary heart patients, 55-78 years were strategically selected from a cardiology clinic in a larger Swedish hospital. Patients were interviewed individually in a semi-structured form, 2009/2010. Data processing was done according to content analysis and yielded four themes: empowerment, effects, decision basis, and trust. Results: The patients did not mentioned heredity among the factors they could not affect in association with the disease. Several patients saw the medication as a limitation, doubted its efficacy, but mostly took it anyway, at least for a limited time. Medication and illness were associated with each other. Information requirements were in most patients. Many patients wanted to discontinue the statin therapy. Conclusion: Retention of power over the own body, good reference base for decision about adherence, and trust in health care. These are crucial components of patients’ adherence to statin therapy, in connection with coronary heart disease.
Bakgrund: Kranskärlssjukdom dödar drygt 7 miljoner människor i världen per år.
För höga halter av blodfettet kolesterol i blodet bidrar kraftigt till kranskärlssjukdom. Livsstilsförändringar kombinerat med blodfettssänkande läkemedel, statiner, är en effektiv behandling. Följsamheten till statiner är dock låg, inte ens genomgången hjärtinfarkt ökar följsamhet. Följsamhet kräver patientutbildning och god kommunikation mellan patient och läkare. Det saknas djupare kunskap om varför kranskärlspatienter slutar med statiner. Syfte: att beskriva hur kranskärlspatienter upplever sjukdomen och statinbehandlingen, samt möjligheter och svårigheter att följa statinbehandlingen. Design: explorativ kvalitativ studie. Metod: 10 manliga kranskärlspatienter, 55-78 år valdes strategiskt via en kardiologklinik på ett större svenskt sjukhus. Patienterna intervjuades personligen i semistrukturerad form, 2009/2010. Databearbetning skedde enligt innehållsanalys och gav fyra teman: egenmakt, effekter, beslutsgrund, tilltro. Resultat: Patienterna nämnde inte ärftlighet bland faktorer som ansågs opåverkbara i samband med kranskärlssjukdomen. Flera patienter såg medicinen som en begränsning och tvivlade på effekten, men tog den oftast ändå, åtminstone under en begränsad tid. Likhetstecken sattes mellan medicinering och sjukdom. Informationsbehov fanns hos flertalet patienter. Många patienter ville sluta med statinbehandlingen. Slutsats: Bibehållen makt över sin egen kropp, god referensgrund för beslut om följsamhet samt förtroende för sjukvården, är avgörande förutsättningar för kranskärlspatienters följsamhet till statinbehandling.
Kalvøy, Anna Maria. "Diabetes og senkomplikasjoner : Hvilke fordeler har bruk av statiner hos pasienter med nedsatt nyrefunksjon og diabetes?" Thesis, Umeå universitet, Kemiska institutionen, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-91323.
Full textZekarias, Mikaela. "Statiners effekt på kognitiva funktioner och vid Alzheimers sjukdom; djur- och humanstudier." Thesis, Uppsala universitet, Institutionen för farmaceutisk biovetenskap, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-320909.
Full textSvensson, Henrik. "Ldl-sänkande läkemedelsbehandling för hjärtinfarktpatienter - är nuvarande behandlingsriktlinjer rimliga?" Thesis, Linnéuniversitetet, Institutionen för kemi och biomedicin (KOB), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-74501.
Full textSummary Background Despite substantial reductions in the incidence of myocardial infarction, the incidence remains high. Rupture of an atherosclerotic plaque within the coronary arteries is the most important direct causal factor. Atherosclerosis typically develops slowly and silently and can be described as a build-up of cholesterol-containing plaques within the artery wall. Theories of the causal mechanisms behind atherosclerosis point to a high degree of complexity. Most theories focus on an interaction between inflammatory processes, cholesterol-containing lipoproteins and dysfunction of the endothelial cells within the artery wall. Much focus has been put on the role of cholesterol-containing low-density lipoprotein (LDL). This lipoprotein seems to have a direct causal role in the process. Such a standpoint is based on animal experiments, observational studies, randomized clinical trials with LDL-lowering drugs and Mendelian randomization studies. Treatment guidelines for patients with myocardial infarction therefore recommend LDL-lowering therapy. These guidelines recommend treatment with a high dose statin and some include recommendations to lower LDL to levels below 1.8 mmol/l (69 mg/dl). Objective The aim of this thesis was to look at the treatment effects of lowering LDL to low levels for secondary prevention of myocardial infarction and whether the current recommendations of 1.8 mmol/l or less are reasonable. A second objective was to elucidate the question of whether statins have other, pleiotropic effects beside their LDL-lowering capacity. Searches were conducted in pubmed for randomized clinical statin-trials where low average LDL-levels were obtained. Further, a trial with PCSK9-inhibitor evolocumab and a trial with NPC1L1-inhibitor ezetimibe were included in order that the effects of these drugs could be compared with the effects of statins. Thereby, the question of statin-pleiotropy could be analyzed. Results Treating patients with a high dose statin to obtain lower levels of LDL reduced the risk of major coronary/cardiovascular events when compared with a low dose statin. The absolute risk reduction was however low. The effect was driven mainly by a reduction in the number of myocardial infarctions and coronary revascularization procedures whereas the effects on mortality seem absent or at best rather modest. The same pattern was seen in the FOURIER-trial where PSCK9-inhibitor evolocumab was compared with standard statin treatment. The active treatment group obtained an average LDL-level of 0.78 mmol/l (30 mg/dl). This pattern was also seen in the IMPROVE-IT-trial, where NPC1L1-inhibitor ezetimibe was compared with standard statin treatment. Conclusion Treatment to obtain low levels of LDL have an effect - even at levels below 1.8 mmol/l. LDL-lowering in and of itself seems to have an effect given the results from studies where patients were treated with evolocumab and ezetimibe. The number of patients that need to be treated to prevent one event is however high and a substantial number of patients remain at risk even at very low levels of LDL. This implies the need for other forms of therapy or initiation of LDL-lowering therapies at earlier stages for selected groups of patients before they experience a myocardial infarction
Stefan, Elias. "Familjär hyperkolesterolemi (FH) – analys av prevalens i Stockholm och hälsoekonomiska konsekvenser av tidigdiagnostik och behandling." Thesis, Uppsala universitet, Institutionen för farmaci, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-434844.
Full textTissier, Florine. "Effets à long terme de l'atorvastatine à faible dose sur l'athérosclérose : une étude pluridisciplinaire chez un modèle animal, le lapin Watanabe." Thesis, Brest, 2015. http://www.theses.fr/2015BRES0076/document.
Full textCardiovascular diseases are the first worldwide causes of death, associated to the presence and rupture of atherosclerotic plaques. To limit acute events, statins may be prescribed. However, its use leads to deleterious effects risk. To reduce this risk, a dose reduction could be considered. The work of this thesis is to study potential effects of a very low dose of atorvastatin, taken in the long term, in an animal model: the Watanabe rabbit. Measurements are made on control and treated animals from the age of 3 to 12 months. Circulating lipids, biochemical parameters and parameters of adhesion and inflammation were studied. Atherosclerosis evolution was evaluated by optical coherence tomography (OCT). Histological measurements allowed to validate a ranking proposed with OCT observations and to quantify intra-plaque macrophage content. Arterial stiffness was tested in vivo with pulse wave velocity and in vitro with a static tensile test. Vascular function was approached with vasoreactivity in different territories (aorta, carotid, mesenteric). Elastin and collagen contents of the artery wall were determined with two-photon and second harmonic generation microscopy. Finally, mitochondrial respiration and its susceptibility to ROS were evaluated in permeabilized cardiac fibers, any enzymatic antioxidant systems and lipid peroxidation were measured. Results show beneficial effects of this very low dose atorvastatin treatment in cardiovascular function, independently of a lipid-lowering effect.Keywords: atherosclerosis
Ghewa, El Achkar. "Propriétés anti-inflammatoires des statines, des triterpénoïdes et des dérivés de thiazole : rôle de la hème-oxygénase-1 et de la cyclooxygénase-2." Thesis, Paris Est, 2015. http://www.theses.fr/2015PESC0033.
Full textStatins are selective competitive inhibitors of 3-hydroxy-3-methylglutaryl coenzyme A reductase used to lower cholesterol biosynthesis and have multiple pleiotropic effects beyond lowering cholesterol such as anti-inflammatory and anti-oxidant properties. Cucurbitacins are triterpenoid derived from plants and exhibit potential anti-inflammatory and anticancer properties though they have a high cytotoxicity. Thiazole derivatives are molecules containing heterocyclic ring with three carbons, one sulfur and one nitrogen atom, with important anti-inflammatory activities. Cyclooxygenases and heme-oxygenases play a role in inflammation and oxidative stress and are targets for statins or cucurbitacins in vitro. Thiazole derivatives are potential inhibitors of cyclooxygenases. The aim of my thesis is to investigate the anti-inflammatory effect of these three compounds in vivo and attempt to analyze the mechanisms involved, mainly for statins. Thus we set up an animal model of inflammation in C57BL/6 corresponding to the zymosan -injected dorsal sterile air pouch.First we have shown that treatment of mice with atorvastatin for 10 days reduced cell migration in the exudate of the air pouch as well as the expression of inflammatory markers such as cytokines, chemokines, cyclooxygenase-2 and nitric oxide synthase -II. The synthesis of prostaglandin E2 and interleukin-6 was also reduced. Inhibition of heme-oxygenase-1 by the selective inhibitor tin protoporphyrin partially diminished the inhibitory effect of statins on cell migration and some cytokines suggesting a significant role of HO-1 in the anti-inflammatory properties for atorvastatin in vivo.For cucurbitacins, we used the same animal model to investigate the effect of this substance in vivo and further assess the beneficial effect of encapsulating cucurbitacin in phosphatidylcholine-liposomes. Free cucurbitacin E (12.5 μg/pouch or 25 μg/pouch) tended to increase interleukin-6, decrease heme oxygenase-1 and cyclooxygenase-2 whereas cucurbitacin E loaded liposomes (12.5 μg/pouch) significantly reduced prostaglandin E2, interleukin-6 and nitrite without affecting cyclooxygenase-2 and heme oxygenase-1 mRNA levels. We demonstrated that the incorporation of Cuc E into liposomes enhances its anti-inflammatory effect and reduces its cytotoxicity.Finally, we used the dorsal air pouch model to investigate the anti-inflammatory effect of two thiazole derivatives that differ in their side chain by the presence of butyl or benzyl group. In addition to analyzing their effect on cyclooxygenase activity in human blood platelets, on recombinant COX-1 and in culture macrophage cell lines, we demonstrated their capacity to block cyclooxygenase-dependent prostaglandin synthesis in the lumen of the air pouch.In summary, my thesis presents in vivo evidence for the anti-inflammatory effects of atorvastatin dependent on HO-1 activity. My studies characterized the anti-inflammatory effects of cucurbitacins and thiazole derivatives. All these results support the anti-inflammatory effects of these substances and suggested them as potential anti-inflammatory substances
Senouf, David Benjamin. "Interactions statines - clopidogrel /." Genève : [s.n.], 2005. http://www.unige.ch/cyberdocuments/theses2005/SenoufD/these.pdf.
Full textDormoi, Jérôme. "Statines et paludisme." Thesis, Aix-Marseille, 2013. http://www.theses.fr/2013AIXM5025.
Full textOnly 1 to 3% of malaria infections turn into CM. Meanwhile, long term neurological sequelae range from 3 to 10 % in adults and 25% of child survivors present long term cognitive impairments. In a military framework, there are 15 000 soldiers localized in endemic malaria areas, with at less 350 infection cases giving clinical malaria syndrome but mainly 2 deaths each year.In the aim to fight against P. falciparum but also to decrease sequelae related to CM, two molecules were studied. In one hand, atorvastatin (AVA) and in the other hand methylene blue (MB). AVA is a synthetic inhibitor of 3-hydroxy-3-methylglutaryl-coenzyme A (3HMG-CoA) reductase used in the treatment of hypercholesterolemia. Previous data, reported in numerous articles support the efficacy of AVA not only as antimicrobial, antiviral or antiparasitic agent but also as immune system modulator and potential adjuvant in vitro for common antimalarial drugs. BM is an antimalarial drug which until now had a synthesis pathway with heavy metals. It is a new synthesis pathway without heavy metals and an efficacy demonstrated which encouraged us to study this molecule.To evaluate AVA and BM efficacies in combination with common antimalarial drugs, we successively tested these molecules in an in vitro model (simplified isotopic microtest) against P. falciparum, then in experimental cerebral malaria using C57BL/6N mice infected with Plasmodium berghei. An increased efficacy was observed when AVA or MB is associated with common antimalarial drugs against P. falciparum but also a protection against CM in mice treated by drugs combinations. MB protects against malaria but also CM
Paulauskaitė, Inga. "Trends in the use of statins in Lithuania on 2005 – 2007 years." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2008. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2008~D_20080616_100427-84402.
Full textTikslai: Šio darbo tikslas yra palyginti statinus tarpusavyje pagal farmakokinetines ir farmakodinamines savybes bei atlikti statinų suvartojimo Lietuvoje analizę 2005 – 2007 metais. Metodai: Duomenys apie statinų farmakokinetines ir farmakodinamines savybes buvo surinkti iš MEDLINE elektroninių duomenų šaltinių. Duomenys apie statinų pardavimus vienetais ir didmeninėmis kainomis Lietuvoje per 2005 – 2007 metus gauti iš UAB SoftDent duomenų bazės. Vaistai buvo suklasifikuoti pagal anatominę terapinę cheminę (ATC) klasifikaciją. Statinų suvartojimas buvo vertinamas pagal apibrėžtos dienos dozės (DDD – daily defined dose) metodiką, o duomenys įvertinti pagal DDD skaičių, tenkantį 1000 gyventojų per vieną dieną. Išlaidos statinams buvo suskaičiuotos mažmeninėmis kainomis, remiantis kiekvienų metų kompensuojamųjų vaistų bazinių kainų kainynu. Statinų farmakoekonominei analizei atlikti buvo taikytas kainų mažinimo bei referentinės kainos nustatymo principas. Rezultatai: Remiantis metaanalizių, Nice (2006 metų) rekomendacijų ir klinikinių tyrimų duomenimis galima teigti, kad statinai prilygsta vienas kitam klinikiniu poveikiu. Bendras statinų suvartojimas padidėjo nuo 3,9 DDD/tūkstančiui gyventojų/dieną 2005 metais iki 8,4 DDD/tūkstančiui gyventojų/dieną 2007metais, taigi, per trejus metus bendras šių vaistų suvartojimas išaugo 53,6%. Palyginus su kitų šalių duomenimis, statinų suvartojimas 2007 metais Lietuvoje buvo apie 20 kartų mažesnis. Išlaidos statinams per trejus metus ( 2... [toliau žr. visą tekstą]
Ramin-Mangata, Stéphane. "Le rôle du récepteur aux LDL et de PCSK9 dans le diabète de type 2." Thesis, La Réunion, 2020. http://www.theses.fr/2020LARE0005.
Full textStatins are lipid-lowering drugs widely prescribed to prevent cardiovascular diseases. They inhibit the endogenous synthesis of cholesterol and thereby increase LDLR gene expression by activating the SREPB-2 transcription factor. The positive effects of statins regarding cardiovascular diseases are undisputable. However, their action is limited by the proprotein convertases subtilisin kexin type 9 (PCSK9), the natural inhibitor of the LDL receptor (LDLR), which is also activated by the SREBP-2 transcription factor. As a result, novel lipid-lowering strategies targeting circulating PCSK9 have emerged and have been approved recently. These are the PCSK9 inhibitors. Despite their well-established beneficial effects, the use of high doses of statins for long-term treatments induces in rare instances the onset of type 2 diabetes in predisposed individuals. In addition, “loss of function” genetic variants of PCSK9 are associated with an increased risk of type 2 diabetes. The effects of long term use of PCSK9 inhibitors on the risk of type 2 diabetes remain to be established. Thus, we hypothesized that cholesterol overload of insulin secreting pancreatic beta cells induced by the overexpression of the LDLR at their plasma membranes following treatment with statins and PCSK9 inhibitors may cause cell dysfunction, lower insulin secretion, and ultimately type 2 diabetes. The aims of my thesis were (i) to determine the circulating levels of PCSK9 and their modulation by statins in patients with type 2 diabetes, (ii) to determine if reduced circulating PCSK9 levels are predictive of new onset type 2 diabetes and finally (iii) to investigate the effect of statins, PCSK9, and PCSK9 inhibitors on beta cell function. Using three cohorts of patients, we showed that circulating PCSK9 plasma levels are increased in patients with type 2 diabetes and that reduced circulating PCSK9 levels are negatively associated with insulin resistance and elevated fasting blood glucose. In human pancreatic sections and human pancreatic beta cell lines, we showed for the first time that PCSK9 is expressed, synthesized and secreted only by beta cells in pancreatic islets. We did not find any significant effect of PCSK9 or PCSK9 inhibitors on glucose stimulated insulin secretion. Altogether, my thesis works underpin that the use of PCSK9 inhibitors in the clinic will probably not be diabetogenic. This is reassuring regarding the development of these new lipid-lowering therapies
Zabel, Karine. "Mécanismes d'action et efficacité clinique des inhibiteurs de l'HMG-CoA réductase en préventions primaire et secondaire de l'athérosclérose." Bordeaux 2, 2000. http://www.theses.fr/2000BOR2P002.
Full textMacijauskaitė, Simona. "Lipidų apykaitos sutrikimo gydymui ir profilaktikai vartojamų vaistų ir maisto papildų įvertinimas Lietuvos vaistinėse." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2013. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2013~D_20130618_134053-61682.
Full textObjective of the work: to determine the usage tendencies of the medicinal products and food supplements recommended for prevention and treatment of the disorder of lipid metabolism to the patients coming to the pharmacies. Tasks: 1) to analyze the usage of the products of statin group in Lithuania in 2005-2012 using the international, WHO approved methodology of the medicine usage ATC/DDD, and to compare the results with other EU States, 2) to assess the indexes of lipidogram and their dynamics of the patients coming to the pharmacies, who use antilipidemic medicine and food supplements, 3) to assess the conformity of the medicinal products and food supplements recommended for prevention and treatment of the disorder of lipid metabolism to the international guidelines (NCEP ATP III). Methodology: the usage of the medicine that belongs to the sub-groups of C10AA (HMG CoA reductase inhibitors) and C10BX (Other combinations) was analyzed by the ATC/DDD methodology expressing the data as DDD/1000 inhabitants per day (DDD/1000 inhabitants/d). The indexes of lipidogram and the medicine/food supplements used by the patients coming to the pharmacies were assessed using the survey by questionnaires. The statistical analysis of the collected data was done using the SPSS program package, version 17.0. Results: the usage of statins in Lithuania increased from 3,873 DDD/1000 inhabitants/d in 2005 until 12,787 DDD/1000 inhabitants/d in 2012, while the expenses for statins increased from 6... [to full text]
Coly, Fabienne. "Précurseurs hétérocycliques de la statine." Bordeaux 1, 1985. http://www.theses.fr/1985BOR10532.
Full textLopucha, Loreta. "Kinezioteipo poveikis, sergančiųjų išsėtine skleroze, statinei pusiausvyrai." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2012. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2012~D_20120621_101544-65792.
Full textAbout 2,5 million people suffer from multiple sclerosis. Lithuania belongs to a zone of high rate of people suffering from this desease (Klizaitienė, 2008). On of the main symptoms, appearing in the early stage of this desease is imbalance (Prosperini et al., 2010; Cameron et al., 2008; Martin & Phillips, 2006). Relevance of the topic: Kinesio Tape is a cheap, available and non-invasive means which can improve static balance, quality of life and reduce coincidental risk of falls for those who have multiple sclerosis. Hypothesis: Kinesio Tape sticked to gastrocnemius and tibialis anterior muscle can improve the postural stability of those who have multiple sclerosis. The aim of the research: To establish the effect of the Kinesio Tape of those who suffer fro multiple sclerosis and to estimate the postural stability. The task of the research: 1. Estimate the posture while standing with tight legs with open and closed eyes with Kinesio Tape and with Kinesio Tape, sticked on the gastrocnemius and tibialis anterior muscle with the help of functional correctional technique. 2. Estimate the posture while standing with tight legs with open and closed eyes with Kinesio Tape and with Kinesio Tape, sticked on the quadriceps muscle with the placebo technique. 3. Estimate the efficiency of Kinesio Tape on postural stability of those who were in the research. Methods of the research: The research was performed on 19th and 20th of January in 2012 in rehabilitation hospital Palanga. There... [to full text]
Fouché, Christophe. "Présentation des différentes statines et utilisation clinique." Paris 5, 2005. http://www.theses.fr/2005PA05P208.
Full textSchmitt, Mathieu. "Modulation de l’expression et de la fonction des protéines dopaminergiques présynaptiques par les statines : Application potentielle pour une intervention thérapeutique dans la maladie de Parkinson." Thesis, Bordeaux, 2015. http://www.theses.fr/2015BORD0187/document.
Full textParkinson disease (PD) is characterized by a progressive loss of dopaminergic presynaptic terminals and remains incurable. However in epidemiological studies, it has been shown that the use of statins, which are hypocholesterolemic drugs, diminishes the risk to develop a PD. Statins are able to inhibit the neurodegenerative effects in in-vitro and in-vivo models of PD. However, the molecular mechanisms driving neuroprotective effects are not yet fully understood. Consequently, we investigated the potential effects of statins on the synaptic expression and dopamine transport function in the dopaminergic system. In our studies, statins enhance the neurite outgrowth in the dopaminergic cells and trigger an increase in the expression levels of presynaptic dopaminergic proteins such as vesicular monoamine transporter 2 (VMAT2) and dopamine transporter. Statins induce a reduction of dopamine cellular uptake and modulate the binding-affinity of the specific inhibitors for VMAT2. The activation of the nuclear transcriptional factor sterol regulatory element-binding protein 1 (SREBP-1), cholesterol-dependent, could be the key element of the overexpression of dopaminergic presynaptic markers induced by the statins. Furthermore, these findings highlight the therapeutic neuroprotective and/or neurorestorative potentials of statins previously proposed in PD and allow to bring out new potential therapeutic targets such as SREBP factor
Cederholm, Alexej, and Jessica Clefberg. "Enkla ingångar : Design av interaktiva stationer på utställningar." Thesis, Södertörn University College, School of Communication, Technology and Design, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:sh:diva-1407.
Full textSyftet med denna studie är att på ta reda på vad en bra hands-on-artefakt för museum är och hur den bör utformas. En kvalitativ fallstudie är gjord på utställningen Sinnrika människan på Naturhistoriska riksmuseet. Empirin har fåtts fram genom korta intervjuer och observation med museibesökare samt djupgående intervjuer med personer insatta i ämnet. Resultatet har sedan både analyserats individuellt och korsanalyserats, efter detta har resultatet kategoriserats. Slutsatsen för studien visade att det är många aspekter som spelar in vid skapandet av en interaktiv station, en av de viktigaste aspekterna är tydlighet om vad syftet med stationen är och hur den utförs.
The purpose with this case study is to find out what a good hands-on-artifact made for museums is and how it should be designed. The study is made at the Marvels of the human body located at the Swedish museum of Natural history. The empirical material has been collected trough short interviews and observations with visitors at the museum and extended interviews with people working in the field. The results have then been analyzed individually but also together, after this the results have been categorized. The conclusion of this study showed that there is a lot of aspect to have in mind when creating interactive stations, one of the most important aspects is distinctiveness about the purpose of the station and how it should be carried out.
Gustavsson, Frida. "Sverigeförhandlingens externa stationer : Stationernas roll för sina orter." Thesis, Örebro universitet, Institutionen för humaniora, utbildnings- och samhällsvetenskap, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-67393.
Full textBoulanger, Piette Antoine. "L'effet des statines sur le muscle squelettique rapide." Master's thesis, Université Laval, 2015. http://hdl.handle.net/20.500.11794/25911.
Full textMrad, May. "Mécanismes de régulation de la hème-oxygénase-1 et de la cyclooxygénase-2 par les statines dans les macrophages et les fibroblastes." Thesis, Paris Est, 2013. http://www.theses.fr/2013PEST0115.
Full textStatins are selective competitive inhibitors of the 3-hydroxy-3-methylglutaryl coenzyme A reductase administered for the treatment of hypercholesterolemia. These molecules have multiple pleiotropic effects in addition to lowering cholesterol such as anti-inflammatory and anti-oxidant properties. Heme-oxygenase-1 is responsible for the catabolism of heme and has important anti-oxidant and anti-inflammatory effects. Cylooxygenase-2, along with microsomal prostaglandin E synthase-1, metabolizes arachidonic acid into prostaglandin E2, a biological mediator with important effects on vascular tone, cell growth, inflammation and pain. Because cyclooxygenase-2 and heme-oxygenase-1 are targets for statins and play a key role in inflammation and fibrosis, we aimed to investigate the molecular mechanisms underlying the regulation of these enzymes by statins in macrophages and fibroblasts.In fibroblasts, simvastatin and fluvastatin induced HO-1 expression in a mevalonate and geranylgeranylated-dependent manner. We further demonstrated a role of the transcription factors CCAAT/enhancer-binding protein beta and gamma and upstream stimulatory factor 1 or 2 in statin-dependent induction of heme-oxygenase-1 using small interfering RNA and dominant-negative constructs.In macrophages, we showed that statins i- increase the level of expression of heme-oxygenase-1 and ii- nitric oxide can play a role in statin-dependent induction of heme-oxygenase-1 , iii- RhoA/C is one of the target of statins, iv- the transcription factor CCAAT/enhancer-binding protein beta is involved in the regulation of heme-oxygenase-1 by statins.Finally, since cyclooxygenase-2 and heme-oxygenase-1 play a role in fibrosis and inflammation, we analyzed the effect of statins in human hepatic myofibroblasts, the fibrogenic cells of the liver. Statins significantly upregulated cyclooxygenase-2 and microsomal prostaglandin E synthase-1 and inhibited cell proliferation in a PGE2-dependent manner via inhibition of RhoA/C activity. Further analysis of the transcription factors involved showed a role for nuclear factor kappa B and cAMP response element/Ebox regions of cyclooxygenase-2 promoter and GATA and GC rich box regions for microsomal prostaglandin E synthase-1.Overall, our thesis results highlight the molecular mechanisms of statin-dependent regulation of two important enzymes in inflammation and fibrosis, in macrophages and fibroblasts. They confirm that some of the protective effects of statins go through the upregulation of heme-oxygenase-1, cyclooxygenase-2 and microsomal prostaglandin E synthase-1
Cantecor, Benedicte. "Vieillissement cutané : efficacité de la combinaison statine-aminobiphosphonate." Thesis, Aix-Marseille, 2013. http://www.theses.fr/2013AIXM5504.
Full textDelfortrie, Suzanne. "Rôle de la VE-statine (EGFL7) dans la tumorigenèse : répression de l'activation des cellules endothéliales et contribution à l'échappement à l'immunité anti-tumorale." Phd thesis, Université du Droit et de la Santé - Lille II, 2011. http://tel.archives-ouvertes.fr/tel-00693157.
Full textNilsson, Daniel, and Sebastian Berg. "Standardisering och modularisering av lågspänningsställverken i ABB:s HVDC-stationer." Thesis, University West, Division of Electrical and Automation Engineering, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:hv:diva-2588.
Full textDen här rapporten undersöker möjligheterna att standardisera och modulariseralågspänningsställverken i ABB:s HVDC-stationer. Anläggningarna har idag heltkundanpassade lösningar, vilket tar för lång tid att projektera för att kunna svara mot denökade efterfrågan på HVDC-lösningar.Arbetet baseras på tretton stationer i åtta pågående och avslutade projekt. Dessa skiljer sigtill storlek, lokalisering, ålder, dokumentation och stationstyp.För att kunna erhålla en korrekt men samtidigt överskådlig bild överlågspäninngsställverkets laster, granskades varje stations dokumentation. Informationensammanställdes i en databas, som visade de belastningar som var ständigt återkommande.Arbetet visar att det är möjligt att standardisera valda delar av lågspänningsställverken, docktas ingen hänsyn till vare sig storleks- eller kostnadsökning. Arbetet behandlar de mestfrekvent förekommande brytarstorlekarna för de typiska lasterna.Det standardförslag som tagits fram har anpassats för att täcka de brytarstorlekar somförekommit för de typiska lasterna i stationerna. För strömriktartransformatorerna erbjudstvå varianter av skåp, medan det för övriga laster endast förekommer ett alternativ.En alternativ lösning på problemet skulle kunna vara att ta fram en standard för varjestationstyp. Detta förutsätter dock ett större antal projekt av varje typ än de som tagits medi detta arbete.
This thesis investigates the possibilities to standardize and modularize the low-voltageswitchgear in ABB’s HVDC-stations. The reason for this is that the customized solutionthey use today take too much engineering and production time to meet the expectedincrease of projects.The report is based on thirteen stations in eight different closed or ongoing projects. Theselection was based on the station size, geographical location, commissioning year andstation type.In order to obtain a correct representation of the loads in the low-voltage switchgear, therelevant station documentation was reviewed and compiled in a database. The data wasthen analyzed to determine the most frequently occurring loads and their characteristics.The thesis shows that it’s possible to standardize some components in the low-voltageswitchgear. However, this report doesn’t take into consideration any possible increase oftotal size and cost. It also shows the most frequent sizes of the circuit breakers for each ofthe common loads.The standard proposition for the common loads was developed to cover all the occurringsizes of the circuit breakers in the stations. For the converter transformers coolingequipment there’s two different cubicles to choose from, while the remaining loads islimited to a single alternative.An alternative solution could be to develop a standard for each occurring station type.However, this would require that the data from a larger number of projects, for all stationtypes, are reviewed and compiled.
Pugnet, Grégory. "Statines et artérite à cellules géantes : approche pharmaco-épidémiologique." Thesis, Toulouse 3, 2015. http://www.theses.fr/2015TOU30005/document.
Full textWe propose a comprehensive review on HMG-CoA reductase inhibitors pharmacology and results of our studies on their use in giant cell arteritis. We showed that statins exposure was not associated with giant cell arteritis occurrence in the general population. However, exposure to statins up to 20 months may favor a quicker corticosteroid tapering. Based on those results statin impact on giant cell arteritis course should not be definitively ruled out. We also showed that older giant cell arteritis patients and those suffering from cardiovascular comorbidities present a high risk of cardiovascular hospitalization occurrence after the initial phase of the disease and should be closely monitored to prevent subsequent cardiovascular disease. This proves that there is an unmet need of cardiovascular prevention in giant cell arteritis patients. Statins seems highly efficient to prevent major cardiovascular events in this population
Remeika, Vytautas. "Vandentvarkos statinių būklė Prienų rajone." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2009. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2009~D_20090603_095924-78865.
Full textOf the final master work – theses "State of water management structures in Prienai district" The author of the project V. Remeika, student of Lithuanian University of Agriculture, 05 2009 Work extent : 6 chapter, conclusions, the list of used literature; 72 pages, 14 tables, 19 pictures. Literature lists extent 23 literature sources. The worsening state of rural water structures is analyzed in the article. Investments for its technical maintenance are not enough because the State and landlord cannot assign enough that means to ensure normal functioning of the equipment. Were made prediction of water management structures falling into decay which shows breaking down structures level after long use. Great majority of European countries solves wastewater management problems referring to the territorial – based Standard. They combine specialized water saving subsystems into a common wastewater management system. Following the established order, Water and Land Unions or Water Departments solve wastewater management problems in Germany and Holland. It ensures sufficient financial assignations for the wastewater management. The reconstruction of rural water management is suggested. It is purposeful to grand the rural water management on the self-governing principle while establishing rural water management unions, as it has been done in Germany. The aim of the paper is to analyse the possible prospects of village water management system reorganization. Tasks of the investigation... [to full text]
Peric, Goran. "Aggressive Zwischenfälle auf allgemeinpsychiatrischen Stationen." Diss., Ludwig-Maximilians-Universität München, 2015. http://nbn-resolving.de/urn:nbn:de:bvb:19-179492.
Full textFreimann, Antonín. "Trendy ve spotřebě léčiv z ATC skupiny A10AA (inhibitory HMG-CoA reduktázy) za období 2005-2015 v České republice." Master's thesis, Vysoká škola ekonomická v Praze, 2016. http://www.nusl.cz/ntk/nusl-264475.
Full textPettersson, Martin. "Analyser av två VSC-HVDC-stationer genom långtidsmätningar med elkvalitetsmätare." Thesis, Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-70056.
Full textGotland has long been known for various special solutions and been on the leading edge regarding new technology. For the past 20 years Gotland has had a VSC-HVDC station that has stabilized the voltage in the Gotlandic grid. HVDC Light has solved some of the technical limitations that has hindered the growth of wind turbines. The station has almost reached the end of its technical lifespan and the thesis is a first step in the investigation for an eventual replacement. With power quality analyzers performance and improvements were investigated. The Swedish transmission system operator Svenska kraftnät have since 2016 had a VSCHVDC station that have been used to exchange energy to the asynchronous system in Eastern Europe. Svenska kraftnät has of lately wanted to take advantage of the voltage control capabilities and investigate measurement technologies. Power quality analyzers were installed on suitable connection points to investigate the behavior of the station. ELSPEC G4500 power quality analyzers were installed on Nordbalt’s and Gotland’s HVDC Light to measure during the late summer to fall of 2017. The differences between CVT and IVT, and Rogowski coil and CT were captured. The choice of ELSPEC suited well since no trigger conditions are needed which allows small but important errors to be discovered. Gotland’s HVDC Light stabilizes the grid mostly against voltage sags for faults in the 10 kVgrid and flicker from the wind farms in node 2. The rated power for an upgrade should be based on the 10 kV-grid short-circuit power to be developed during the station’s life span. The voltage control should be based on a PI-controller and should be able to transmit full power in 40 ms. Component voltages can be used to produce reactive power on the phases in need. The need against flicker should be based on measurements in the closest center of consumption, 2 miles from node 2. If it’s needed, a separate loop for flicker-control that prevents 1.5 Hz-components based on a point 1.5 mile from node 2 should be implemented. Depending on an upgrade or replacement, the topology can either be “two-level generation 3” or MMC. Many different future scenarios affect HVDC Light’s role and more resources will be required for Gotland’s and HVDC Light’s future. Two behaviors have been observed on Nordbalt where one is slow and the other behavior is fast. The fast behavior was only observed when low impedance faults occurs, that the synchronous generators also handles. Nordbalt can contribute to small voltage variations if it was faster, like the behavior for low impedance faults. A consideration in stability is needed since a faster behavior can lead to stability problems. Since the data between CVT and IVT differed a lot, metrology problems were discovered. Some solutions were discussed, of which RCVT and PQSensor was thoroughly reviewed. Alternative solutions like MoW and mobile units were also presented vaguely. All solutions showed practical difficulties, which complicates the implementation. It is therefore encouraged to test the technologies in a laboratory environment since few studies have been made on these and competing manufactures state different information.
Narunec, Ruslan. "Melioracijos statinių būklės analizė Vilniaus rajone." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2009. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2008~D_20090114_154203-73179.
Full textThe condition of reclaimed lands and of land reclamation hydraulic structures was analyzed in the final work of master studies. Research was carried out in the district of Vilnius. 43224,8 ha or 67,8% of the wetlands fund (56269 ha) have been reclaimed in the district. In the period of 1960-2008, 39061,4 ha were reclaimed and in the period of 1976-1980, 1800 ha per year were reclaimed. The smallest areas returned for the use were in 1996-2000, 155,7 ha per year and the largest areas returned for the use were in 1985, 1400 ha were reclaimed. From 2000, no new construction was carried out. With the help of the research of reclaimed lands and the condition of land reclamation hydraulic structures in Vilnius district, it was determined that the technical condition of land reclamation structures and reclaimed lands which was in good condition is now deteriorating every year. The grant committed to the land reclamation works, issued by the Ministry of Agriculture, is not sufficient for ensuring that these structures remain in good condition. In order to maintain the good condition of reclaimed lands and land reclamation hydraulic structures situated in Vilnius district, the State should commit 4 million Lt during the year, i.e. a fourfold increase. At present, the average age of land reclamation hydraulic structures is 35 years old. Farmers do not have enough funds for the proper use and exploitation of land reclamation hydraulic structures, therefore, their condition is rapidly... [to full text]
Zabulytė, Renata. "Kultūros paveldo statinio virtuali trimatė rekonstrukcija." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2005. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2005~D_20050530_132309-11657.
Full textBagdonaitė, Ernesta. "Metanolio kuro elemento statinių charakteristikų tyrimas." Bachelor's thesis, Lithuanian Academic Libraries Network (LABT), 2010. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2010~D_20100902_233011-07391.
Full textThe bachelor’s thesis “Methanol fuel cell static characteristic and power characteristic research” consists of the introduction, 3 sections, conclusions and recommendations. The thesis comprises 33 pages. The rest of the accessories (experimental results). At the thesis is presented analysis methanol fuel cell power characteristic and performance at different methanol concentration solutions. The introduction sets the problem, the aims, the goals of the study and relevance of the topic. The first chapter is devoted to fuel cells, their operating principles to use. The second section deals with the direct methanol fuel cell operation. Next chapter for the experimental measurement methods, and the fourth section presents the experimental results obtained using methanol fuel cell, you are a different concentration of methanol solutions.
Rasmussen, H. O. "The statistical theory of stationery turbulence." Thesis, University of Cambridge, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.363346.
Full textWellmann, Angelika. "Der Spaziergang : Stationen eines poetischen Codes /." Würzburg : Königshausen & Neumann, 1991. http://catalogue.bnf.fr/ark:/12148/cb371486405.
Full textBierwirth, Sabine. "Heines Dichterbilder : Stationen seines ästhetischen Selbtverständnisses /." Stuttgart : J.B. Metzler, 1995. http://catalogue.bnf.fr/ark:/12148/cb35781501w.
Full textSalo, Paul David. "Protein prenylation inhibitors reveal a novel role for rhoa and rhoc in trafficking of g protein-coupled receptors through recycling endosomes." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2007. http://hdl.handle.net/1853/26711.
Full textCommittee Co-Chair: Hud, Nicholas; Committee Co-Chair: Radhakrishna, Harish; Committee Member: Doyle, Donald; Committee Member: Fahrni, Christoph; Committee Member: McCarty, Nael. Part of the SMARTech Electronic Thesis and Dissertation Collection.
Pretorius, J. P. H., L. O. K. Lategan, and H. R. Hay. "Diensleer : van staties na dinamies." Journal for New Generation Sciences, Vol 6, Issue 1: Central University of Technology, Free State, Bloemfontein, 2008. http://hdl.handle.net/11462/499.
Full textService-learning is a relatively new teaching and learning method which has been implemented with success at national and international tertiary institutions. The identification and elucidation of the terms and processes that delineate the dynamic character of service-earning satisfactorily pose a particular challenge to researchers within the service-learning environment. Since a degree of confusion still exists amongst researchers and decision-makers regarding the distinguishing characteristics of service-learning as opposed to other forms of experiential learning, it is essential to indicate the specific position of service-learning within this environment.
Adomaitis, Vytautas. "Dviračio vairo statinio stiprumo ir standumo tyrimas." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2011. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2011~D_20110804_100307-66335.
Full textNowadays bike has quite an important place among other modes of transport. It provides greater freedom of movement, and it is used for leisure, travelling, tourism and sports. It is not only convenient but also cost-effective vehicle of travelling. As the bicycle wheel is one of its most important elements that determine the wheel control, so it is important that the static strength and rigidity would comply with the requirements of qualify. Quality requirements compliance has an impact on the quality and safety of the bicycle. Compliance to the requirements is determined during the experiment. The experiment is considered positive if there are no breaks, cracks, scratches and the structural changes in shape meet the permitted levels. In order to analyse and experimentally verify the handlebar static strength and rigidity using tenzosensor measurement and information system operated by „Catman” software has been made an experimental bicycle wheel strength and rigidity analysis. Experimental results and finite element method calculations showed that the bicycle wheel meets the strength and rigidity standards requirements and don’t exceed them.
Kleinauskas, Marius. "Dviračio vairo statinio stiprumo ir standumo tyrimai." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2006. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2006~D_20060614_011209-33463.
Full textLukoševičienė, Saulė. "Inžinerinių statinių kadastro matavimo ir registravimo analizė." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2009. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2009~D_20090603_095019-40558.
Full textGraduate Studies final examined the work of the legal aspects of registration facilities as separate property items. Analyze the fundamental problems arising in the management of buildings and civil engineering works legally. Experience and questionnaire survey of specialists to carry out the objects of engineering measurements and record shows that at present Lithuania is intensely new and old infrastructure reconstruction, and the use of EU funds. According to a survey carried out to identify factors that have a negative impact on the engineering and cadastral measurements of the quality of registration. Description of sources of Land and Real estate Law; relations regalement by Land and Real estate Law, Cadastre of Real Estate, Register, agreements of its alienation, management, usage, disposition, servitute.
Čekanavičius, Tomas. "Hidrotechnikos statinių gežbetoninių atraminių sienų ilgaamžiškumo įvertinimas." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2009. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2009~D_20090603_095654-17528.
Full textConstructions of hydraulic structures are under the influence of different loads and negative environment impacts. Due to environmental impacts some deteriorations on the walls take place. The most dangerous kind of deteriorations reduces the bearing capacity of main constructions. The loss of the bearing capacity is very dangerous for the reliability and durability of the retaining wall. The purpose of this paper is to evaluate indicies defining the durability of the concrete covering layer of the retaining walls of hydroschemes. After the analysis it was found out the main characteristics of the reinforced concrete retaining walls – the compression strength of the concrete. The reliability of the retaining walls of Gailiušių hydroscheme was evaluated using the compression strength analysis. It was found out which indicator of the concrete covering layer durability gives the most correct counting results. It is suggested to use formula 3.11 for evaluation of durability.