Author | Comment | Last activity | Moderation | ||
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warren | "Hmm, Dave, it's odd, but it doesn't seem to me that you're seeing any fluorescence -- do you see any, visibly? Do you normally, with this setup and..." | Read more » | over 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 » | over 8 years ago | |||
warren | "@briandegger @jeffh - thanks for the tips on LED sourcing! Thought you'd enjoy seeing this. " | Read more » | over 8 years ago | |||
warren | "I'm not sure, but @lpercifield would probably know -- last tweet I see was Aug 2015, but they also didn't seem to be very often, so it's possible t..." | Read more » | over 8 years ago | |||
warren | "One way to test @stoft's idea that this may just be within the repeatability limits of the hardware, rather than a difference in materials, would b..." | Read more » | over 8 years ago | |||
warren | "Ha - @dhaffnersr, sorry, I think you found a bug in the "Post related work" button -- it seems it copies even the "barnstar" tag from the older pos..." | Read more » | over 8 years ago | |||
warren | "Dave - I have to ask - would it be a lot of work to do the same set of 9, but with a fluorescing sample in there as well? I'd love to see how much ..." | Read more » | over 8 years ago | |||
warren | "Thanks, Dave, good to know. I'd sort of imagine it's a monochromator, like a reverse-spectrometer, using masking and a diffraction grating to gener..." | Read more » | over 8 years ago | |||
warren | "Ah, thanks for the download tip. OK, that's really interesting to see that lower excitation wavelengths create more variable/distinct emission spe..." | Read more » | over 8 years ago | |||
warren | "Another thing that 1995 paper could tell us is why they chose 30nm as the offset to discard above the excitation wavelength, and more about the lig..." | Read more » | over 8 years ago | |||
warren | "I think @gretchengehrke is back from GOSH in Switzerland, so maybe she can chime in, but I wanted to question specifically @ethanbass's point: the..." | Read more » | over 8 years ago | |||
warren | "Hi Dave - I love this post. There are lots of simple, rigorous tests that can be done to test an assumption -- such as the assumption that all 400n..." | Read more » | over 8 years ago | |||
warren | "Just got this up -- a little late again, as usual. Please leave any feature requests, feedback, ideas or questions you have here in the comments! " | Read more » | over 8 years ago | |||
warren | "Also https://egghead.io/series/how-to-contribute-to-an-open-source-project-on-github " | Read more » | over 8 years ago | |||
warren | "@liz and @stevie you gotta check out this great set of resources on developer outreach!!! " | Read more » | over 8 years ago | |||
warren | "It's odd -- I see the graphs. Straylight, can you contact web@publiclab.org so we can figure out what's going on there? " | Read more » | over 8 years ago | |||
warren | "Gretchen is a chemist, so I thought she could shed some light on our questions about overlap and shorter wavelength LEDs. " | Read more » | over 8 years ago | |||
warren | "@gretchengehrke, can you help us w excitation emission wavelength questions? " | Read more » | over 8 years ago | |||
warren | "Ah, I'm so pleased. " | Read more » | almost 9 years ago | |||
warren | "Hi -- I believe this is resolved in v2.1.10 due to better precision management. Please try re-uploading the image and saving; I did so with a large..." | Read more » | almost 9 years ago | |||
warren | "Oh my goodness, I realized that I have always assumed that fluorescence emission wavelength was relative to something inherent in the chemical stru..." | Read more » | almost 9 years ago | |||
warren | "Hi, Dave - thanks as always for a thorough response. Some comments: However, the wide bandwidth of the LED, as opposed to the laser, is clearly a ..." | Read more » | almost 9 years ago | |||
warren | "that continuous band on the blue spectrum gives poor calibration Dave, I don't think it's quite accurate to say that they give poor calibration. T..." | Read more » | almost 9 years ago | |||
warren | "Can you try re-calibrating this one, as I think it was calibrated during a brief bug (it shows being calibrated on 1/26/16) which was since fixed. ..." | Read more » | almost 9 years ago |