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Pyridine Nucleotides in Plant Mitochondria. Amounts, metabolism and contribution to electron transport

Popular Abstract in Swedish Mitokondrier är små stavformade eller runda organeller (0.5-2 µm). De producerar huvuddelen av den energi som krävs för cellens livsuppehållande processer. Antalet mitokondrier per cell kan variera med vävnadens energibehov. Ett exempel är människans spermie som innehåller ett stort antal mitokondrier vilka behövs för producera den energi som åtgår när spermien simmar tHPLC analysis was used for direct quantification of amounts and redox levels of pyridine nucleotides in plant mitochondria. The amount of NAD(H) and NADP+ varied, 1.0-3.7 and 0-0.5 nmol (mg protein)-1, respectively, depending on the species from which nucleotides were extracted. NADPH was never detected. Submitochondrial localisation of NAD+-degrading enzymes indicated that matrix NAD+ diffuses i

Balance in standing on inclined surfaces with different friction

Working and walking environments often involve standing positions on different surfaces with inclination and different friction. In this study, standing balance of thirteen participants during sudden and irregular external perturbation to calf muscles while standing was investigated. The aim of the study was to evaluate the combined effect of surface inclination and friction on standing balance. T

Technical results from Manus user trials

Eight users have tried the Manus arm at the Department of Rehabilitation at Lund University Hospital. The user trials were carried out in close co-operation with Certec at Lund University. After the trials one of the users, Ms Eva Gerdé, decided to buy a Manus arm, and she received her Manus arm in November 1998. The main objective of the user trials was to find out how robot technology could