| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| bryanchua | "@Ag8n Thanks for the suggestion to use nanofiltration! I think the main impurities are the electrolytes (e.g. K+ and Na+ ions) that are added into ..." | Read more » | about 6 years ago | |||
| Ag8n | " One item tried in industry was to take good quality water and run them through filters small enough to stop microbes ( the last I heard, about 0.2..." | Read more » | about 6 years ago | |||
| TakeshiMatsumoto | "Welcome questions and ideas!! For example, about the measurement you want, design and price of equipment, dynamic range and measurement wavelength...." | Read more » | over 6 years ago | |||
| Ag8n | "Thank you for your reply. Very good sir. That would save time! " | Read more » | over 6 years ago | |||
| TakeshiMatsumoto | "Thanks @Ag8n, By coating the antibody on the QCM electrode, we can specify the antigen and measure its weight. And measuring spectrum @280nm, type ..." | Read more » | over 6 years ago | |||
| JSummers | "Nice project. This spectrometer could fit into an open-source chemical kinetics project I am working on. If you would be interested in collaborati..." | Read more » | over 6 years ago | |||
| Ag8n | "My apologies, but I still don't see where you are trying to go. The QCM will change frequency with weight. How is this going to work with the spec..." | Read more » | almost 7 years ago | |||
| TakeshiMatsumoto | "Thanks for your comment. As you can see a photo of inner part, now product have optics only. I will add to QCM (Quartz Crystal Microbalance) in the..." | Read more » | almost 7 years ago | |||
| Ag8n | "Very interesting project. How do piezo products the into the product? Are you using ceramic or polymer piezo products? Good luck with your proje..." | Read more » | almost 7 years ago | |||
| warren | "@matej check this out! " | Read more » | over 7 years ago | |||
| gbathree | "Yes, it's a little confusing - that's actually one of the hurdles is to quickly and easily explain what this does, and how it works (the how it wor..." | Read more » | over 11 years ago | |||
| warren | "Wow! Sorry, this looks really cool, but what is the device pictured above? Is that a cuvette in it, or a prism or what? Could we emulate the senso..." | Read more » | over 11 years ago | |||
| gbathree | "Awesome! Yes, actually one of the reasons we're going with the Teensy is precisely because of Paul. I've never met him but I've never seen a sing..." | Read more » | over 11 years ago | |||
| mathew | "That's awesome. The Teensy was a good choice (even if the bootloader isn't FOSS) and Paul Stoffregen, the Teensy developer, is a really great guy ..." | Read more » | over 11 years ago | |||
| gonzoearth | "This looks like fun " | Read more » | about 12 years ago |