Blood Tests // ELISA

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  • Created by: rebecccab
  • Created on: 17-05-16 10:18
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  • Blood Tests // ELISA
    • when you have an infection in your body
      • it reacts to the effects of the disease's specific antigen by producing specific antibodies.
        • antigens are molecules that a cell recognises as foreign.
          • they are recognised by its own specific antibody and forms and antigen-antibody complex.
        • an antigen indicates the presence of a disease and the antigen-antibody complex confirms its presence.
          • if the antigen-antibody complex is present then the disease is also present
    • ELISA - Enzyme Linked Immuno-Sorbant Assay
      • these are labelled by an enzyme so they can be located
        • an enzyme-antibody-antigen complex is usually turns a colourless solution to a coloured solution.
          • if a colour is present then the pathogen is present.
    • disposal
      • microbiologic-al hazards
        • those found on ELISA plats and petri dishes
        • are disposed in a similar way to hypodermic needles
          • they are placed in an appropriate container
            • removed by a specialist company and incinerated
        • they may be sterilised in an autoclave
          • a steel vessel strong enough to bepressurised
          • used for the steam sterilisation of objects at high tmperature


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