Essays about: "Hanna Williams"

Found 3 essays containing the words Hanna Williams.

  1. 1. When the brain loses TrkBactivation : The effects of ketamine on BDNF-TrkB neurotransmission in animal models of depression

    University essay from Linnéuniversitetet/Institutionen för kemi och biomedicin (KOB)

    Author : Hanna Sädbom-Williams; [2021]
    Keywords : Ketamine; Depression; BDNF; TrkB; Animal model; Hippocampus; Prefrontal cortex;

    Abstract : Ketamine is a non-competitive N-methyl-D-aspartate (NMDA)-channel blocker that has recently shown promise in the treatment of major depressive disorder, distinguishing itself from classical anti-depressants through its rapid and lasting effects when given at sub-anaesthetic doses. Animal models of depression are commonly used to research individual mechanisms of action and this literature review aimed to investigate how ketamine influences BDNF-TrkB neurotransmission in the hippocampus and prefrontal cortex within animal models of depression. READ MORE

  2. 2. The influence of soil management on soil health : an on-farm study

    University essay from SLU/Dept. of Soil and Environment

    Author : Hanna Williams; [2018]
    Keywords : crop diversity; soil health assessment; indicator; soil quality; ecosystem services;

    Abstract : The capacity of a soil to provide ecosystem services without negative impacts on the environment is defined as soil health. Healthy soils are a fundamental resource for agricultural production and our ability to feed a growing global population. We must therefore increase our understanding of how soil health is affected by soil management. READ MORE

  3. 3. Soil factors affecting plant performance of climbing beans (Phaseolus vulgaris L.) in south western Kenya

    University essay from SLU/Dept. of Soil and Environment

    Author : Hanna Williams; [2016]
    Keywords : penetrometer; resistance; soil pH; staking; CN ratio; Kisii; KALRO;

    Abstract : The south west part of Kenya is the most densely populated part of Kenya. This part of Kenya has relatively fertile soils and a favorable environment for crop production, which is why it is a major food producing area. The high population results in land scarcity with the average farm size ranging from 0.8-1. READ MORE