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Enzyme Finder
NEBcutter
NEBuffer Chart
Double Digest Finder
Isoschizomers
DNA Sequences
and Maps
REBASE
Isotope Data
Isotope
Particle
Emitted
Half Life
14C b
5,730 years
3H b
12.3 years
125I g
60 days
32P b
14.3 days
33P b
25 days
35S b
87.4 days

1 Ci = 1,000 mCi
1 mCi = 1,000 µCi
1 µCi = 2.2 X 106 disintegrations/minute
1 Becquerel = 1 disintegration/second
1 µCi = 3.7 X 104 Becquerels
1 Becquerel = 2.7 X 10-5 µCi