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Old 03-30-2008, 01:16 PM   #1
xoxoxoBruce
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March 31, 2008: Abrus

Quote:
Abrus seed pod: "one of the components of this seed is one of the most toxic substances in nature. If it reach the blood, a few micrograms (1/1000000 g) is enough to die. It is similar to ricin (from castor oil plant) used to kill a soviet spy in London by an umbrella.


OK, let's see a recipe for this one.
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Old 03-30-2008, 01:41 PM   #2
skysidhe
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'They'll' ( the feds ) be knocking on your door now!

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Old 03-30-2008, 03:05 PM   #3
Cicero
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Heh. I just like the photo.
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Old 03-30-2008, 03:07 PM   #4
Sundae
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Very Maori.
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Old 03-30-2008, 03:27 PM   #5
xoxoxoBruce
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Originally Posted by Cicero View Post
Heh. I just like the photo.
Yeah, me too.
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Old 03-30-2008, 03:30 PM   #6
corydodt
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This plant has evolved to say, "Do not fuck with my seeds."
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Old 03-30-2008, 03:34 PM   #7
spudcon
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I know, I know, but I couldn't resist.
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Old 03-31-2008, 03:51 AM   #8
SPUCK
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I never get how 1/1000000 g of something can kill you! What is that, one atom per 100 million cells??
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Old 03-31-2008, 04:39 AM   #9
xoxoxoBruce
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From Wiki
Quote:
The toxin present in Abrus precatorius is a close relative to ricin called abrin. It is a dimer consisting of two protein subunits, termed A and B. The B chain facillitates abrin's entry into a cell by bonding to certain transport proteins on cell membranes, which then transport the toxin into the cell. Once inside the cell, the A chain prevents protein synthesis by inactivating the 26S subunit of the ribosome. One molecule of abrin will inactivate up to 1,500 ribosomes per second. Symptoms are identical to those of ricin, except that the fatal dose of ricin is approximately 75 times greater than the fatal dose of abrin. Abrin can kill with a circulating amount of less than 3 μg (micrograms).

The seeds of Abrus precatorius are much valued in native jewelry for their bright coloration. The third of the bean with the hilum (attachment scar) is black, while the rest is bright red, suggesting a ladybug. Jewelry-making with jequirity seeds is dangerous, and there have been cases of death by a finger-prick while boring the seeds for beadwork. However, it has long been a symbol of love in China.
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Old 03-31-2008, 04:59 AM   #10
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Quote:
Originally Posted by SPUCK View Post
I never get how 1/1000000 g of something can kill you! What is that, one atom per 100 million cells??
Assuming 100 trillion cells are in your body, one micrograms of albin is about 500 molecules per cell. And because it's an enzyme, it is not used up when it stops the ribosome. So once inside a cell, one molecule could kill that cell.
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Old 03-31-2008, 06:11 AM   #11
Gravdigr
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Yikes.
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Old 03-31-2008, 10:05 AM   #12
rupip
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god - allah - zeus - jehova - brahman- evolution ... whathever it is
- she or he or it is definitly the greatest designer ever !

I also love the design of poisonous frogs or snails.
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Old 03-31-2008, 01:08 PM   #13
monster
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It's so cute. I want one.
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Old 03-31-2008, 01:28 PM   #14
toranokaze
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Hallucinogenics frogs are some of the best pets one could have.
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Old 03-31-2008, 02:31 PM   #15
Sheldonrs
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Quote:
Originally Posted by xoxoxoBruce View Post
Just what I thought...Love=Death.
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