PowerPoint - Biology

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20 Φεβ 2013 (πριν από 4 χρόνια και 7 μήνες)

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BIOTECHNOLOGY

What is Biotechnology?

‘bio’


the use of biological processes

‘technology’


to solve problems or make
useful products

‘Modern’ biotechnology


the use of
cellular and molecular processes to
solve problems or make useful products


Emerging Areas in Biotechnology


Biosensors


Genomics/Bioinformatics


Enzyme technology


Genetic technology


Immuno
-
technology

BIOSENSOR

1. Bioreceptor

2. Physical element


Recognises

a
specific chemical

Enzyme or antibody


Transducer

Produces
a signal

of the
recognition

-

an analytical device

Substance
recognised

Gives signal

Substance
not recognised

No signal given

Bioreceptor

Analyte

Transducer

How it works


Glucometer

Simple Biosensor

Blood or other fluid

Product

Enzyme or antibody

Detected by
transducer

Recognises target and reacts

Signal and readout

Biosensors used in …

Medicine


e.g.clinical diagnosis

Industrial Process control


e.g.fermentation

Environment


e.g. pollution monitoring

Mining


e.g.toxic gas monitoring

Pharmaceutical


e.g. drug analysis

Microbiology


e.g. bacteria and viral analysis

Military Application


e.g. biological and chemical warfare

Advantages of Biosensors


Detect small amounts


Accurate


Easy to use


Fast


Cost effective


On
-
line monitoring


Continuous monitoring