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Offlinenomadbrad
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Re: Guess That Fungi/Mushroom Chemical!! [Re: maynardjameskeenan]
    #19450420 - 01/20/14 10:53 PM (10 years, 1 month ago)

Quote:

maynardjameskeenan said:


This mycotoxin is also a carcinogen, it is present in several species in this genus of a similar name.




Alternariol methyl ether    Genus Alternaria.


The pic of the chemical doesn't show up on my iPad so I guessed.


Edited by nomadbrad (01/20/14 10:56 PM)


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Invisiblemaynardjameskeenan
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Re: Guess That Fungi/Mushroom Chemical!! [Re: nomadbrad]
    #19450616 - 01/20/14 11:43 PM (10 years, 1 month ago)

Quote:

nomadbrad said:
Quote:

maynardjameskeenan said:


This mycotoxin is also a carcinogen, it is present in several species in this genus of a similar name.




Alternariol methyl ether    Genus Alternaria.


The pic of the chemical doesn't show up on my iPad so I guessed.



No, sorry
This genus is in the of ascomycete family of mushrooms.


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Offlinenomadbrad
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Re: Guess That Fungi/Mushroom Chemical!! [Re: maynardjameskeenan]
    #19450688 - 01/20/14 11:58 PM (10 years, 1 month ago)

Gyromitrin genus Gyromita


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Invisiblemaynardjameskeenan
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Re: Guess That Fungi/Mushroom Chemical!! [Re: nomadbrad]
    #19450763 - 01/21/14 12:10 AM (10 years, 1 month ago)

:nodofunderstanding:


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Offlinenomadbrad
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Re: Guess That Fungi/Mushroom Chemical!! [Re: maynardjameskeenan]
    #19450778 - 01/21/14 12:12 AM (10 years, 1 month ago)

I've gotta work early tomorrow, somebody else can take the helm on this one.


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Offlineraceme
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Re: Guess That Fungi/Mushroom Chemical!! [Re: nomadbrad]
    #19457464 - 01/22/14 12:48 PM (10 years, 1 month ago)

New one:


This is a mycotoxin produced produced by a genus of molds.


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Invisiblemaynardjameskeenan
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Re: Guess That Fungi/Mushroom Chemical!! [Re: raceme]
    #19458064 - 01/22/14 03:12 PM (10 years, 1 month ago)

Is it "T-2 toxin"?
Found in black molds.
Stachybotrys chartarum


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Offlineraceme
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Re: Guess That Fungi/Mushroom Chemical!! [Re: maynardjameskeenan]
    #19459054 - 01/22/14 06:22 PM (10 years, 1 month ago)

Yep!  Also in Fusarium spp.


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Invisiblemaynardjameskeenan
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Re: Guess That Fungi/Mushroom Chemical!! [Re: raceme]
    #19459976 - 01/22/14 09:50 PM (10 years, 1 month ago)

:superscream:  :imout:

I got nothing...
anyone who wants to can go.


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InvisibleStopwhispering
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Re: Guess That Fungi/Mushroom Chemical!! [Re: maynardjameskeenan]
    #19460934 - 01/23/14 04:15 AM (10 years, 1 month ago)

Quote:

maynardjameskeenan said:
:superscream:  :imout:

I got nothing...
anyone who wants to can go.





:pantytail:


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InvisibleThe Lightning
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Re: Guess That Fungi/Mushroom Chemical!! [Re: Stopwhispering]
    #19461587 - 01/23/14 09:16 AM (10 years, 1 month ago)

Reset the thread. Here we go again:



Below (courtesy of Joust):








Below: A sacred chemical in some people's opinion















Task: Name the species of mushroom in italics and name the chemical. Then explain the skeletal diagram of the chemical in calm and plain language that everyone can understand.







Edited by The Lightning (01/25/14 02:34 PM)


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InvisibleThe Lightning
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Re: Guess That Fungi/Mushroom Chemical!! [Re: The Lightning]
    #19471655 - 01/25/14 11:48 AM (10 years, 1 month ago)

Hint: The first thing I might do when looking at the skeletal drawing above is look at the letters and understand what atoms are involved.





I see the following: O, H, N, C, and P.





In a collaborative attempt to pull the answer out of someone, here's a visual kicker for each of these letters:





O








H








N








C








P










Edited by The Lightning (01/26/14 06:27 PM)


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InvisibleThe Lightning
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Re: Guess That Fungi/Mushroom Chemical!! [Re: The Lightning]
    #19472343 - 01/25/14 02:13 PM (10 years, 1 month ago)

2nd Tip: The next thing I'd look for is rings.












I see a pyrrole ring below:










I see a benzene ring below:










Together these two rings form a fused, bicyclic (like a bike) indole ring, shown below:











Someone should help here by explaining how the pyrrole ring lost its double bond on one side, or if the fuse automatically implies a double bond.




Edited by The Lightning (01/26/14 06:48 PM)


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Offlinekoods
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Re: Guess That Fungi/Mushroom Chemical!! [Re: The Lightning]
    #19472429 - 01/25/14 02:35 PM (10 years, 1 month ago)

Quote:

The Lightning said:
2nd Tip: The next thing I'd look for is rings.












I see a pyrrole ring below:










I see a benzene ring below:










Together these two rings form a fused, bicyclic (like a bike) indole ring, shown below:











Someone should help here by explaining how the pyrrole ring lost its double bond on one side, or if the fuse automatically implies a double bond.







Those aren't double bonds, they are resonant bonds.


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InvisibleThe Lightning
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Re: Guess That Fungi/Mushroom Chemical!! [Re: koods]
    #19472503 - 01/25/14 02:52 PM (10 years, 1 month ago)

Quote:

Those aren't double bonds, they are resonant bonds.




Would you be willing to explain bonds in a visual (and aesthetic) way?


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Offlinekoods
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Re: Guess That Fungi/Mushroom Chemical!! [Re: The Lightning]
    #19472522 - 01/25/14 02:58 PM (10 years, 1 month ago)

Quote:

The Lightning said:
Quote:

Those aren't double bonds, they are resonant bonds.




Would you be willing to explain bonds in a visual (and aesthetic) way?





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NotSheekle said
“if I believed she was 16 I would become unattracted to her”


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InvisibleBayerPhi
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Re: Guess That Fungi/Mushroom Chemical!! [Re: koods]
    #19472720 - 01/25/14 03:54 PM (10 years, 1 month ago)

Bonds Bonds Bonds Bonds.

If you've taken the hell of a class that is Physical Chemistry, you'll fathom at the fact that the bonds are shared clouds of electrons.

The post above reminded me of that thought.


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InvisibleThe Lightning
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Re: Guess That Fungi/Mushroom Chemical!! [Re: BayerPhi]
    #19473524 - 01/25/14 07:01 PM (10 years, 30 days ago)



Below: Five pairs of calcium atoms (slightly darker circles at center), in an electron cloud








Bonds - An Introduction & Fast Overview









The three basic types of bonds are indicated (with exceptions) in skeletal formula by a single line, two lines, or three lines as seen below:







Single Bond (Shown with one line): A covalent bond produced by the sharing of one pair of electrons between two atoms.








Double Bond (Shown with two lines): A covalent bond produced by the sharing of two pairs of electrons between two atoms.








Triple Bond (Shown with three lines): A covalent bond produced by the sharing of three pairs of electrons between two atoms.







All three together:







There's also different ways of showing the bonds as seen below:












Edited by The Lightning (01/27/14 06:13 AM)


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InvisibleThe Lightning
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Re: Guess That Fungi/Mushroom Chemical!! [Re: The Lightning]
    #19473534 - 01/25/14 07:03 PM (10 years, 30 days ago)

In addition to single, double, and triple bonds (lines) there's different types of bonding:



Covalent bonds

A chemical bond resulting from the sharing of an electron pair between two atoms.










Polar Covalent bonds

1) Covalent bond between two atoms with unequal electronegativities results in unequal sharing of electrons. 2) Unequal electron sharing leads to partially positive and partially negative charges on opposite ends of the bond.









Ionic bonds

The chemical bond resulting from electrical attraction between large numbers of cations and anions.











Note: The word ion should be remembered here. It implies a positive (+) or negative (-) charge to a type of atom, instead of being neutral (without + or - symbols). A positive ion is also called a "cation" and a negative ion is referred to as a "anion."











Resonant bonds (Resonance)

The idea of resonance is found within the Valence Bond Theory of bonding that describes the delocalization of electrons within molecules. It compares and contrasts two or more possible Lewis structures that can represent a particular molecule.  Resonance structures are used when one Lewis structure for a single molecule cannot fully describe the bonding that takes place between neighboring atoms relative to the empirical data for the actual bond lengths between those atoms.







and







Metallic bonds

Chemical bonding that results from the attraction between metal atoms and the surrounding sea of electrons.









Ion-dipole bonds

An ion-dipole force is an attractive force that results from the electrostatic attraction between an ion and a neutral molecule that has a dipole.









Dipole-dipole bonds

Dipole-dipole forces are attractive forces between the positive end of one polar molecule and the negative end of another polar molecule. Dipole-dipole forces have strengths that range from 5 kJ to 20 kJ per mole. They are much weaker than ionic or covalent bonds and have a significant effect only when the molecules involved are close together (touching or almost touching).









Rotating dipole-dipole bonds

A weak, special case of the dipole-dipole bond when the molecules are rotating and not locked in place.









Dipole-induced dipole bonds

The binding electromagnetic force that arises between a molecule with a permanent electric dipole and a molecule with no permanent electric dipole, but with an induced one.









Induced dipole-induced dipole bonds

The binding electromagnetic force that arises between two molecules without permanent electric dipoles due to the brief mutual induction of dipoles.









Hydrogen bonds

The hydrogen bond is really a special case of dipole forces. A hydrogen bond is the attractive force between the hydrogen attached to an electronegative atom of one molecule and an electronegative atom of a different molecule. Usually the electronegative atom is oxygen, nitrogen, or fluorine, which has a partial negative charge. The hydrogen then has the partial positive charge.












Atoms can be visually studied thru Atomic Force Microscopy




Edited by The Lightning (01/26/14 06:49 PM)


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Invisiblemaynardjameskeenan
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Re: Guess That Fungi/Mushroom Chemical!! [Re: The Lightning]
    #19473692 - 01/25/14 07:37 PM (10 years, 30 days ago)

It still amazes me how they are able to take pictures of atom and molecules.
Wouldn't your 'camera lens' need to be close to the same size to capture a picture like that?


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May you be peaceful and at ease.
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