A Philosopher's Stone

[GeneralOya]

Anyone familiar with this lil critter? Could be useful in an age of superconductivity, after all gold nanoparticles can superconduct in room temperature, can't they?

Philosopher's Stone or "The Gold Bug"...
http://www.rawstory.com/rs/2013/02/03/the-bacterium-that-lays-tiny-nuggets-of-gold/

Ryan

[Nathan McCorkle]

Someone was asking about cyanide mine cleanup, I think that was from
gold... sooo merge that idea into this bug and voila

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--
-Nathan

[Marc Dusseiller]

hei my dear alchemists...

i have been posting this already a few times....

http://scholar.google.com/scholar?q=biosynthesis+of+nanoparticles

there is loooaods of that stuff out there, using fungi, bacteria and even plants. no need for gm bacteria for doing so -> genspace. 

and even worms can shit out nanoparticles:

http://www.businessinsider.com/worms-turn-metal-into-semiconductors-2012-12

http://www.nature.com/nnano/journal/v8/n1/full/nnano.2012.232.html

and the news in http://www.rawstory.com/ , although it's cool, it's not that much of a new invention.

and finally, talking about the philosopher's stone... u need gold to make gold. and of course the prize of gold - chloride solution is much more expensive than pure gold. people would have figured it out. and if you have a gold-ionic solution... you can also just put a battery to it and get the metallic gold.

we did some experiments at NanoSmano to use fusiarum solani to make silver nanoparticles (silver is cheaper to try out things....) and using fungi is cool, easy to culture and breed. detecting silver nanoparticles is also straight forward.... the solution / suspension turns blue, due to the quantum effect of small silver particles. got a nice absorbtion band which is possble to be detected with some led's and phototransistors.

http://hackteria.org/?p=788

greets

m

[Cathal Garvey (Phone)]

Wow, didn't know ye did that with physarium, hackteria never ceases to inspire! :)

There are plenty of electrolytic bacteria out there that can nuggettify metals, I think G.sulferreducens can do this too. The reason people were excited about the mine bug is, I think, because it can survive in mine-tailings pH conditions, potentially making it useful for eking extra gold from mine waste.

Maybe I'm confusing it with that bizarre underground archaeon though?

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[leaking pen]

On an even more alchemy style use, there are fungal mats that appear to have actual nuclear reaction effects, that somehow are performing low energy nuclear reactions while growing. 

To view this discussion on the web visit https://groups.google.com/d/msg/diybio/-/CdnVwu62R3kJ.

[Bjonnh]

On Mon, Feb 04, 2013 at 07:28:01AM -0700, leaking pen wrote:
> On an even more alchemy style use, there are fungal mats that appear to
> have actual nuclear reaction effects, that somehow are performing low
> energy nuclear reactions while growing.
>

Could you please source it ? It's like the hypothesis of low-enery fusion chickens making their own
calcium from fusion
(https://en.wikipedia.org/wiki/Corentin_Louis_Kervran#Calcium_anomalies_in_chicken_eggshells)
? It's cold-fusion, it has not been shown yet, just an hypothesis
without any model behind, so until a full
disclosure and open-access to the equipment (working equipment I insist), I'll not believe in such things.

[leaking pen]

You...  won't believe in it without a model?  We have several LENR cells that have shown anomalous heat, and at the end of the run different elements have appeared that were not in the cell at the start. Just because we have no idea HOW it happens, doesn't mean you shouldn't believe it happens. 

as far as fungus goes

http://www.papimi.gr/spfaile/RadioFungi.htm

I'm trying to find the article I read, but I also saw one a few years back where a fungal mat that had palladium in solution showed after three weeks a lower amount of palladium, and nickel showing up in solution. 

Alex

[Cathal Garvey (Phone)]

He won't believe it without replication he can perform and trust, preferably done personally. That requires full disclosure of everything in the experimental setup.

Saying "I won't believe bizarre thing X just on your say-so" is just good science.

[leaking pen]

There's a difference between a setup, "here's what what we did and what happened" and a model of why it works. 

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[Bjonnh]

On Mon, Feb 04, 2013 at 09:47:22AM -0700, leaking pen wrote:
> You... won't believe in it without a model? We have several
> LENR cells

Yep, a model, what is used to make a theory. It's just an hypothesis,
but proof are lacking…

> that have shown anomalous heat, and at the end of the run different
> elements have appeared that were not in the cell at the start. Just
> because we have no idea HOW it happens, doesn't mean you shouldn't believe
> it happens.

If you bring me your method, your results and that it can be repeated,
I could believe it happenned. You see strange results every day when
you do science, and most of these results are only related to poor/not reliable
methods and/or a poor/tired/lazy/incompetent/cheater/whatever experimenter.

> as far as fungus goes
> http://www.papimi.gr/spfaile/RadioFungi.htm

Yep, decay rate can be influenced by the environment ! (look at
https://en.wikipedia.org/wiki/Radioactive_decay#Changing_decay_rates)
Some have made the hypothesis that solar activity can have an
influence too…
However their X-ray spectroscopy results are rather poor (in term of image
quality), and only one per condition is shown, without any statistics
on them and without scales (it seems they are looking in the bottom of
the scale aren't they ?)

> I'm trying to find the article I read, but I also saw one a few years back
> where a fungal mat that had palladium in solution showed after three weeks
> a lower amount of palladium, and nickel showing up in solution.

As a mass-spectrometry user, I keep cautious with metal analysis ;)
But anyway, if you have publications and/or results to share, I'd be
happy to read, share and learn more about all of that.

[Bjonnh]

On Mon, Feb 04, 2013 at 03:56:26PM -0700, leaking pen wrote:
> There's a difference between a setup, "here's what what we did and what
> happened" and a model of why it works.

A model is not devoted to an explication of why it works. But used to
try to find how you can try to explain it. By making a description
of a phenomenon, you try to mimic the characteristics of this
phenomenon. It's not meant to be true or false, but it needs to be able to be
falsifiable (proven that it's wrong or not accurate). And to be
falsifiable it means that you need to be able to reproduce it and
compare the whole set of results between the experiments…

--
Jonathan BISSON
PhD in Science, Technology and Health - Speciality : Chemistry-Biology interface

Actually in Oenology post-doc until end of February at :
Laboratoire d'Oenologie - Équipe Philippe Darriet
Institut des Sciences de la Vigne et du Vin (ISVV)
210 Chemin de Leysotte CS 50008
F-33882 Villenave d'Ornon Cedex

Cell: +33 (0) 6 81 39 02 92
E-mail (please use this one from now) : rese...@bjonnh.net

[Nathan McCorkle]

What are GNPs? gold nanoparticles?

On Sun, Mar 31, 2013 at 12:48 PM, Carly LaRosa <carly....@gmail.com> wrote:
> Hey all!
>
> Apologies if this is invasive-- I'm a 3rd year student studying biochemistry
> at The Ohio State University in Columbus, OH. I have a strong interest in
> bionanotech, specifically the multifunctionality of GNPs, which is sort of a
> side project of mine.
>
> I've read through this group and was REALLY impressed with you all and am a
> huge proponent of the DIYbio movement in general.
>
> Would anyone be open to me asking a few questions that I have? If you're
> interested, please email me! I'd rather not clog up your productive group
> with my likely pedestrian questions.
>
> I can be reached at this email (carly....@gmail.com). My questions are
> mostly about your personal interests in GNP synthesis/applications, what you
> think is promising for future applications, and what strengths or attributes
> of GNPs make them an interesting candidate for DIY projects.
>
> Best wishes!
>
> Carlyn LaRosa
> OSU Biochemistry '15
> FIRSTRobotics, Women in Math and Science, Alpha Chi Sigma (Gamma Nu Chapter)

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-Nathan