Re: [DIYbio] NeverWet Spray-on superhydrophobic coat for "mini"-fluidics

Will definitely try it out, we use it in the lab already to keep condensation from causing optical problems. Haven't tried autoclaving it though. 

On Saturday, December 21, 2013 at 12:17 AM, Avery louie wrote:

Mm...rainx is some kind of pdms or something- give it a try.  Iirc it bonds to glass pretty well, and it should be food up to atleast 120c.

On Dec 21, 2013 12:14 AM, "Luis Zaman" <luis.zaman@gmail.com> wrote:
Interesting, any experience autoclaving RainX treated glassware? Would be amazing if I could avoid biofilms from forming in chemostats with a little bottle of rainx!

Luis

On Friday, December 20, 2013 at 11:55 PM, Avery louie wrote:

Try rainx

On Dec 20, 2013 11:21 PM, "Luis Zaman" <luis.zaman@gmail.com> wrote:
I'm not sure about the chemical resistance, I'm sure it's not great. It did hold up to a standard 80% ethanol surface sterilization though, which is probably good enough for what I would be doing with it. Seems autoclaving wouldn't be a good idea... I would love an optically clear superhydrophobic coating for continuous culture devices, but so far it seems like thats only being produced in nano research labs. 

Luis


On Friday, December 20, 2013 5:55:47 PM UTC-5, Avery wrote:

The reason you have to cut it is because the basecoat makes a thin polymer layer for the hydrophobic layer to assemble on.  This layer is continuous so you can tear it up.  It also has pretty crappy chemical resistance, iirc.  I think it has to do with poor basecoat adhesion.

--A

On Dec 20, 2013 5:06 PM, "Luis Zaman" <luis....@gmail.com> wrote:
I'm fairly new to the DIY Bio stuff, and I'm incredibly new to micro/mini fluidics, but I wanted to share something that might be of use to the community. I picked up some "Rustoleum NeverWet" from the local hardware store and sprayed it on a few microscope slides to see what I could do with it. I tried taping off small regions, but the coat just peels off when I try to remove them. Just cutting out some shapes with a razor blade and another slide to make a clean edge worked nicely, probably because it is so easy to peel off. Here are a couple of pictures showing the resulting slide. I'm hoping this is useful, perhaps when sandwiched together? 


Luis

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