just to add a bit of clarity here, the stain which defines Gram positive
and negative were developed by a man named Gram, and the 'positive' and
'negative' do NOT refer to the electropotential of the bacteria, but to
the method's discoverer, Hans Christian Gram.
On Wed, 2008-10-29 at 11:40 -0500, Norton, Steve wrote:
> Relative to bacteria, from Wikipedia:
>
> There are two main types of bacterial cell walls, Gram positive and
> Gram negative, which are differentiated by their Gram staining
> characteristics.
>
> Gram positive:
>
> Teichoic acids give the Gram positive cell wall an overall negative
> charge due to the presence of phosphodiester bonds between teichoic
> acid monomers.
>
> Gram negative:
>
> In addition to the peptidoglycan layer, the Gram negative cell wall
> also contains an additional outer membrane composed by phospholipids
> and lipopolysaccharides which face into the external environment. As
> the lipopolysaccharides are highly-charged, the Gram negative cell
> wall has an overall negative charge.
>
> From what I have read, viruses have a slight negative charge at
> neutral PH.
>
> - Steve N
>
>
>
>
> __
> From: Bethany Methven [mailto:mrs_ak_h...@yahoo.com]
> Sent: Wednesday, October 29, 2008 12:38 AM
> To: silver-list@eskimo.com
> Subject: CS>positive silver ions and negatively charged bacteria
>
>
>
>
> Hi, I'm new to this list. Here in Alaska, very few people actually
> know about CS. I am trying to learn as much as I can so that I can
> educate those around me. I have been studying about the positive
> charge from silver ions losing an electron during the electro
> colloidal process. Anyway, my question is - Does anyone know if all
> bacteria, fungus, viruses, etc are negatively charged? Some web site
> was talking about how the positive charge from the silver ions
> attracts to the negative charge of the bacteria, and then basically
> short circuits it's biological clock, making it unable to reproduce.
> If this is true, then how effective are silver particles, if they are
> negatively charged, vs. the positive charge of the ions? I have heard
> so much confusion regarding ions vs. particles. I"d like to hear
> some other opinions. Thanks - Beth
>
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