Sökning: "prooxidant systems"

Hittade 2 avhandlingar innehållade orden prooxidant systems.

1. 1. Chromatography and extraction techniques for new evaluation methods of polyolefins long-term performance

   Författare :Lina Burman; Ann-Christine Albertsson; Marek Kowalczuk; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Chemical engineering; polymer; chromatographic fingerprinting; gas-chromatography – mass spectrometry; GC-MS; degradable polyethylene; prooxidant systems; chemiluminescence; oxidation; degradation mechanisms; accelerated ageing; antioxidants; transformation products; microwave assisted extraction; MAE; solid-phase microextraction; SPME; volatiles; solid phase extraction; SPE; Kemiteknik; Chemical engineering; Kemiteknik;

   Sammanfattning : Chromatography and extraction techniques, and also chemiluminescence have been utilized to develop new rapid and informative tools in the evaluation of long-term properties and environmental effects of polymeric materials. Methods were developed for classification of materials and for early and rapid degradation detection. LÄS MER

3. 2. Selenium cytotoxicity in cancer

   Författare :Marita Wallenberg; Karolinska Institutet; Karolinska Institutet; []
   Nyckelord :;

   Sammanfattning : Selenium is an essential trace element, present in the 21st amino acid selenocysteine, which is specifically incorporated into selenoproteins. Today, there are 25 identified selenoproteins in humans, whereof many comprises redox active functions to uphold the intracellular redox balance. LÄS MER