Re: [DIYbio] Methodology help needed - how to measure nail light absorbance

Again, a thought on how to measure nail light absorbance is to find a wavelength or two that is particular to fungus.

You came here with a question I came back with a question and you were miffed because I didn't do the work for you.
Search online, it is not hard:

How is the fungal spectra different than bacteria or is it even?
Maybe not the same genus species but you get my drift. Search... It is fun to hypothesize but even more fun to have real data to back up your point and or conclusions. 

phillyj: Infrared light is used to treat fungus not UV as I suspect the DNA damage and oncogenic properties of UV light should cause it to be used sparingly.


On Fri, Nov 23, 2012 at 9:42 AM, Jeswin <phillyj101@gmail.com> wrote:
On Fri, Nov 23, 2012 at 1:38 AM, wolass <wolass@gmail.com> wrote:

> Ok here is why i need to be able to investigate infected nails absorbance: (Just remember to give me proper credit when you recieve your Nobel Prize for this)
> For some time now laser devices are used to eradicate fungi from under the nail plate as a minimally invasive procedure.
> I'm not quite sure if the wavelength of 1064 nm which is the most commonly used to achieve this - is a proper wavelength.
>

I believe Nathan wrote about laser treatment for acne and fungus
treatment found on a laser hobby forum. Archived post found at :
https://groups.google.com/forum/?fromgroups=#!topic/diybio/ZQj0vgfu3KA

==========BEGIN_POST_405nm laser supposedly treating acne and nail
fungus=======================
two guys reporting positive results on pg 2 of this forum post
(linked)... one for acne, one for curing toe fungus
http://laserpointerforums.com/f38/using-405nm-laser-treat-acne-68626-2.html

"
I don't know about treating acne but I used my ~100mW 405 on a toenail
fungus infection on my left great toe with teriffic success. I had
read about how toxic some of the prescription treatments are so I
thought I'd try some very intense near UV light on the fungus. I
played the unfocused laser output on the infected area of the toenail
once a day for a week then I waited for the nail to grow out and
sunuvagun if the nail didn't grow out normally without the
discoloration and 'knobbyness' the fungus was causing. Ah, the
miracles of coherent light 8-)
"

here is the wikipedia section citing 405nm acne deactivation
http://en.wikipedia.org/wiki/Propionibacterium_acnes#Photosensitivity

==========END_POST_405nm laser supposedly treating acne and nail
fungus=========================

Not sure if it is relevant but maybe it will give you some more leads.

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