Sökning: "cell counter"

Visar resultat 16 - 20 av 43 uppsatser innehållade orden cell counter.

  1. 16. Sodium trapping in aluminium current collectors

    Uppsats för yrkesexamina på avancerad nivå, Uppsala universitet/Strukturkemi

    Författare :Ville Nyström; [2019]
    Nyckelord :Na; sodium; trapping; current collector; Al; aluminium; glyme; diglyme;

    Sammanfattning : The aim of this master thesis was to establish if sodium is trapped in aluminium current collectors, which in turn could affect the capacity fade in sodium-ion battery systems. In the case of lithium-ion batteries, previous studies have shown that a trapping mechanism, where lithium diffuses through the active material and current collectors, can explain the capacity fade observed for several systems. LÄS MER

  3. 17. Nanoparticles’ effect in an in vitro whole blood model

    Kandidat-uppsats, Uppsala universitet/Institutionen för immunologi, genetik och patologi

    Författare :Layal Korkis; [2019]
    Nyckelord :Silica; Titanium dioxide; Palladium; complement system; contact system.;

    Sammanfattning : Nanoparticles have been used in industry and in medicine due to their properties which give them beneficial uses. This usage of the nanoparticles has risen the question about how harmful they are to the human body, the connection between the exposure to nanoparticles, and many diseases that occur in the body. LÄS MER

  4. 18. Optimising IPTG and Lactose Induction of Recombinant Expression with Flow-based Online Analysis

    Master-uppsats, Lunds universitet/Bioteknik (master)

    Författare :Balder Werin; [2019]
    Nyckelord :IPTG; Lactose; Induction; Recombinant expression; Flow injection analysis; TnBgl3B; Online analysis; Cultivation; Enzymatic assay; Flow-based; Biotechnology; Bioteknik; Technology and Engineering;

    Sammanfattning : The induction of recombinant expression in bioprocesses is associated with high costs, but still suffers from unoptimised standard procedures with high use of IPTG. A flow-based online method for enzymatic analysis of recombinant expression in E. LÄS MER

  5. 19. Effect of Dextrans on Cryopreservation of Human Spermatozoa

    Master-uppsats, Malmö universitet/Fakulteten för hälsa och samhälle (HS)

    Författare :FIE BARBARA Nordskov Harder; [2019]
    Nyckelord :Dextran;

    Sammanfattning : Cryopreservation is a process where a sample, e.g. cells or tissue, is preserved by cooling to sub-zero temperatures, usually -196°C. Upon freezing these materials, ice crystals form, which eventually results in cell death. LÄS MER

  7. 20. Toxikologisk tillväxtstudie av sötvattenalgen Raphidocelis subcapitata : En jämförelse mellan flödescytometer NovoCyte och automatisk cellräknare TC20

    Kandidat-uppsats, Högskolan Kristianstad/Fakulteten för naturvetenskap

    Författare :Eva Andersson; [2018]
    Nyckelord :Toxicity test; subcapitata; EC50; ISO 8692; potassium dichromate; flow cytometry; cell counter; growth inhibition; Toxicitetstest; subcapitata; EC50; ISO 8692; kaliumdikromat; flödescytometer; cellräknare; tillväxtinhibering;

    Sammanfattning : Biologiska toxicitetstester utförs genom att exponera en testorganism för olika koncentrationer av kemikalier under en bestämd period. Det finns akuta toxicitetstester och kroniska. Resultat från akuta studier presenteras som EC50-värde (Effect Concentration, affecting 50 % of the population). LÄS MER