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  • Biosensors
    • A machine that can be used to detect a specific molecule in a mixture of molecules
    • Advantages
      • contains an enzyme = specific
      • Can detect a molecule in a very low concentration
      • Very fast
    • how it works
      • the mixture of materials like blood or urine goes through a semi permeable membrane to the immobilised enzymes. Enzyme substrate complexes are formed that sends a physico chemical signal to the transducer that turns the chemical energy into electrical energy
    • why are they better than the 'clinistix'
      • the clinistix aren't quantifying (no numbers)
        • so less accurate than the biosensor


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