I can think of a few ways to overcome the contamination issue.
- I'll bet you could autoclave a latex balloon and nylon stockings.
- You could have the air bubble up through a bottle of bleach with a two-hole stopper.
- You could skip the whole thing and use a bottle of hydrogen peroxide with a catalyst to create a flow of oxygen.
- You could use a bottle of lye and some aluminum foil to create a flow of hydrogen.
On Wed, Mar 31, 2021 at 6:26 PM drllau <drlawrencelau@gmail.com> wrote:
> Surely there are contamination concerns?
which is why you pay a massive premia for lab-grade pumps with stringent quality control in ISO 14644 - FS-209E audited clean room. It all comes down to the perception of "risk" which is why PHB people never get fired (in the past) for buying IBM as you are justifying mental assurance from the "brand". This assurance may or may not be justified in reality but then we all suffer from cognitive biases (aka mental laziness). This effect is also seen in FOMO venture capitalists who jump on the latest fad without applying some critical thinking or doing the necessary legwork. But if you had to do emergency open heart self-surgery, you are more likely to have a balloon and stockings handy than a piece of lab equipment.--On Thursday, 1 April 2021 at 06:52:55 UTC+8 Dan wrote:Surely there are contamination concerns?On Wed, Mar 31, 2021, 2:55 AM drllau <drlawr...@gmail.com> wrote:
ARC-supported researchers have developed a simple pressure pump, made from balloons and nylon stockings, that will allow more people in more places to test water contaminants and blood samples. The ingenious device unveiled in the prestigious Lab on a Chip journal cost just $2 to make, yet works almost as well as its expensive and cumbersome lab counterparts.
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