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**Therefore they are easier to control and yield accurate results
**Therefore they are easier to control and yield accurate results
**However they are easily influenced by cross reactions and non-specific binding
**However they are easily influenced by cross reactions and non-specific binding
'''Solid VS Fluid-phase'''
An important consideration is the medium in which the assay is carried out, largely dependent on what is being tested:
*Fluid-phase (''in solution'')
**Main advantage is that the behaviour of molecules in solution is easier to predict
*Solid-phase (surface of protein-binding material, e.g. plastic)
**Easier to perform and more sensitive
===Non-competitive ELISA===
===Non-competitive ELISA===