| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| warren | "Also, we're very interested in turbidity measurements -- there's a lot coming together here: https://publiclab.org/wiki/turbidity and this seems li..." | Read more » | over 6 years ago | |||
| warren | "Wow, just going through this, it's amazing. Would you be willing to repost your blog in full so folks could reproduce the steps on the site here? L..." | Read more » | over 6 years ago | |||
| warren | "Hi, what does your setup look like? Can you upload a photo of how you're arranging the light and the samples? I've gotten plenty of light while us..." | Read more » | over 6 years ago | |||
| warren | "Hi! Here's a good place to post questions about fluorescence: https://publiclab.org/wiki/oil-testing-kit#Questions Or, just at https://publiclab.o..." | Read more » | over 6 years ago | |||
| warren | "Hi, there's been a lot of work on fluorescence and there's still a lot to do -- you can read up at #fluorescence - and on this page: https://publi..." | Read more » | over 6 years ago | |||
| warren | "Hi - i wonder if @gbathree may have some insights into this -- the #multispeq may be a way forward on this? " | Read more » | over 7 years ago | |||
| warren | "Wow, this sounds very cool! What's an L2F detector? Would this work for other fluorescing oils and would it be likely to be able to distinguish the..." | Read more » | almost 8 years ago | |||
| warren | "Hi, Dave - what is the tell-tale hump? Do you mean from the LED input light? If so, it's at 398nm, not 385nm. What processing did you do? " | Read more » | about 8 years ago | |||
| warren | "@dhaffnersr and @stoft, if you'd like I could send you the lower-wavelength LEDs as well for comparison testing? " | Read more » | about 8 years ago | |||
| warren | "@briandegger @jeffh - thanks for the tips on LED sourcing! Thought you'd enjoy seeing this. " | Read more » | about 8 years ago | |||
| warren | "Ok, this is getting a little out there, but I'm going to buy and try a few other products; I see $3.84: http://www.ebay.com/itm/201481504603 $3..." | Read more » | about 8 years ago | |||
| warren | "Mouser has that one! http://www.mouser.com/ProductDetail/Lite-On/LTPL-C034UVH365/?qs=pPiH5vUCJeR2s22VxlBhsw== I think I should order it. I can sol..." | Read more » | about 8 years ago | |||
| warren | "The 365nm might get us clear data above 410nm -- possibly better than the laser! " | Read more » | about 8 years ago | |||
| warren | "Hmm, i looked on DigiKey and found some more options, some high brightness, and one listed as 365nm, which'd be great: http://www.digikey.com/shor..." | Read more » | about 8 years ago | |||
| warren | "Ah, excellent, excellent, but it's my understanding that the plastic LEDs like that aren't typically as bright as the surface mounted flat LEDs I'm..." | Read more » | about 8 years ago | |||
| warren | "Oh i see here from your post to the list: https://spectralworkbench.org/sets/3176 UV flashlight 395nm baselines feb23 using .09mm slit https://sp..." | Read more » | about 8 years ago | |||
| warren | "Very consistent results, too, BTW! Although i see there is a change in baseline noise between your two laser tests. " | Read more » | about 8 years ago | |||
| warren | "Ha, this is great to see! I looked at the graph and my very first thought was "that doesn't look like a 405nm LED, it looks like a 395nm LED". And..." | Read more » | about 8 years ago | |||
| warren | "Aww, i couldn't wait! Posted: https://publiclab.org/notes/warren/02-19-2016/preliminary-led-and-isopropyl-alcohol-solvent-tests-for-oil-fluorescenc..." | Read more » | about 8 years ago | |||
| warren | "This was a super great event. I have a draft of a followup post about LED and alcohol tests -- will post on Monday, I believe! " | Read more » | about 8 years ago | |||
| warren | "More assembly innovations and simplifications; new note and design coming soon: " | Read more » | about 8 years ago | |||
| warren | "Made the last couple changes -- flipped the tab holes on the bottom flaps, rounded the side bottom flaps: cuvette-frame-9.pdf " | Read more » | about 8 years ago | |||
| warren | "Another update with the tuck-in flaps, slits, and the USB hole and the indexing hole for the potentiometer (although that may be premature). The de..." | Read more » | about 8 years ago | |||
| warren | "Oh, reference for the pinouts on the 3.3v Trinket: https://learn.adafruit.com/introducing-trinket/pinouts " | Read more » | about 8 years ago |