Sökning: "EC50"

Visar resultat 1 - 5 av 10 uppsatser innehållade ordet EC50.

  1. 1. 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

  2. 2. Diglyme as an electrolyte solvent for sodium-ion batteries

    H-uppsats, Chalmers tekniska högskola/Institutionen för fysik (Chalmers)

    Författare :Kasper Westman; [2016]
    Nyckelord :Sodium-ion Batteries; Electrolytes; Diglyme; Electrolyte Degradation; Galvanostatic Cycling; Electrochemistry;

    Sammanfattning : For storing energy in future sustainable energy systems, sodium-ion batteries (SIB) haveemerged as an alternative to the current state-of-the-art lithium-ion batteries (LIBs), sinceSIBs are potentially cheaper. For LIBs and SIBs alike, the development of stable systemsdepends on employing stable or metastable electrolytes, forming a SEI. LÄS MER

  3. 3. The impact of phosphorus and temperature on the toxicity of zinc on benthic diatom

    Kandidat-uppsats, SLU/Dept. of Aquatic Sciences and Assessment

    Författare :Josabeth Ström; [2016]
    Nyckelord :benthic diatom; zinc; temperature; phosphorus; toxicity; ecological status;

    Sammanfattning : The current index, IPS, developed for benthic diatoms and used for assigning the ecological status of streams in Sweden reflects on levels of nutrients and organic pollution. Metals are not considered in the index, which leads to the risk that metal contaminated streams can be assigned a high ecological status based on this index. LÄS MER

  4. 4. Toxicity of chlorantraniliprole to the Collembola Folsomia candida : toxicodynamics and effects of organic matter content

    Master-uppsats, Mittuniversitetet/Avdelningen för naturvetenskap

    Författare :Kristina Berggren; [2013]
    Nyckelord :;

    Sammanfattning : Toxicity of pesticides to non-target organisms determines their impact on natural environments. And to find pesticides with a new, target-specific mode of action, which are safe to farmers and organisms in the surrounding environment, is important when developing new pesticides. LÄS MER

  5. 5. Combination effects of metals in soil - acute toxicity test of bacteria with the leucine incorporation method

    Master-uppsats, Lunds universitet/Miljövetenskaplig utbildning

    Författare :Ylva Sandberg; [2012]
    Nyckelord :Earth and Environmental Sciences;

    Sammanfattning : Within the field of ecotoxicology there is a concept called combination effects. There are two different approaches to combination effects, independent action (IA) and concentration addition (CA). The common assumption in both approaches is that there are no interactions between the substances within the mixture. LÄS MER