Search for dissertations about: "nitro group reduction"

Found 5 swedish dissertations containing the words nitro group reduction.

2. 1. Samarium(II)-mediated Reactions in Organic Synthesis - Method Development and Mechanistic Investigation

   Author : Tobias Ankner; Göteborgs universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Samarium II iodide; reduction; single electron transfer; nitro group reduction; mechanistic study; bond cleavage; deoxygenation; additives; toluenesulfonyl deprotection; defluorination.;

   Abstract : This thesis describes the development of methods using divalent samarium reagents in organic synthesis. The main focus is placed on functional group reductions, but reductive formation of carbon-carbon bonds has also been investigated. READ MORE

4. 2. Beta-lactam and metronidazole resistance in the Bacteroides fragilis group

   Author : Hong Fang; Karolinska Institutet; Karolinska Institutet; []
   Keywords : Bacteroides fragilis group; beta-lactam; metronidazole; resistance; beta-lactamase; penicillinbinding proteins PBPs ; outer membrane proteins OMPs ;

   Abstract : The Bacteroides fragilis group organisms are anaerobic gram-negative bacilli. Ten species are currently included in this group. Members of the B. fragilis group are the major constituents of the normal colonic microflora and the most commonly encountered anaerobic bacteria in clinical specimens. READ MORE

5. 3. Polycyclic aromatic compounds (PAC) in diesel fuels and exhaust emissions : aspects of sampling techniques, chemical determination, multivariate data interpretation and PAC emissions reduction

   Author : Hang Li; Stockholms universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES;

   Abstract : The rapid growth in the number of motor vehicles has raised serious environmental health hazard problems in urban areas associated with vehicle exhaust emissions. Exhaust emissions from heavy duty diesel vehicles are very complex mixtures containing thousands of chemical components distributed between the particulate, semivolatile and gaseous phases. READ MORE

6. 4. Aspects of MEN1 Tumorigenesis in Endocrine Pancreas and Adrenal Glands

   Author : Xia Chu; Kjell Öberg; Barbro Eriksson; Magnus Kjellman; Uppsala universitet; []
   Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEN1; tumorigenesis; PNET; angiogenesis; adrenal glands; proteomic analysis; miRNA expression; Oncology; Onkologi;

   Abstract : Multiple endocrine neoplasia syndrome type 1 (MEN1) is an autosomal dominantly inherited disease, which is described as an association of tumors mainly in endocrine organs, including pancreas and adrenal glands. Pancreatic neuroendocrine tumors (PNETs) are the most common cause of death in MEN1 patients. READ MORE

7. 5. DNA lesions and carcinogenicity from the urban air pollutants 2- and 3-nitrobenzanthrone

   Author : Eszter Nagy; Karolinska Institutet; Karolinska Institutet; []
   Keywords : 3-nitrobenzanthrone; 2-nitrobenzanthrone; diesel exhaust; carcinogenicity; acute toxicity; DNA adducts; oxidative stress; intratracheal; ingestion;

   Abstract : In the early 1990's, Japanese doctors in urban areas discovered an increasing incidence of lung cancer among women, which was not attributed to a change in diet or smoking. This led to a growing investigation of urban air, and subsequently the discovery of 3-nitrobenzanthrone (3-NBA), a pollutant originating from diesel emissions. READ MORE