H1: Introductie Flashcards

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1
Q

Wat is een physical, chemical & bio-sensor?

A
  • Physical sensor
    • detecteert/meet physiche eigenschappen
  • Chemical sensor
    • reageert op een specifiek analiet op een selectieve manier door een chemische reactie
  • Biosensor
    • self containined integrated device which is capable of providing (specific) quantitatiee using a biorecognition element
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2
Q

Wat zijn verschillende bioherkenningselementen?

A
  • Enzymes
  • Antigens-antibody (Ag-Ab)
  • Nucleic acids
  • Cellular structures
  • Whole cells
  • plant/ animal tissue slices
  • biomemetic/synthetic receptors
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3
Q

Wat is een tranducer? en geef de verschillende soorten?

A

= device that converts an observed change into a measurable signal.

  • Electrochemical
  • Optical
  • mass sensitive
  • thermal
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4
Q

Let uit selectiviteit

A

biosensor voor molecule A en alleen voor A.

Anders valse signalen

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5
Q

Leg uit sensitivity range?

A

range of concentrations that you can measure

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6
Q

Leg uit stability

A

different level before en after => °drift

unwanted

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7
Q

Geef de verschillende toepassings domeinen van Biosensors

A

Healthcare and diagnostic medicine

Agriculture & bio-production chain

War-fare, bioterrorisme& space tech.

Environmental monitoring

Control of industrial processes

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8
Q

Wat is nanotechnologie

A

geen echte definitie

alles wat op nanoschaal (10-9 m) zit

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