| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| amysoyka | "Snap. We should have a brainstorming session on cheap forms of reflective stuff! My list so far has been: -Alufoil. (Too easy to crease - which lo..." | Read more » | over 9 years ago | |||
| bsugar | "gotcha. Okay. You're referring to the VidView JDEPC-OV04? That's the model number on the datasheet next to "Datasheet for Infragram Webcam" at t..." | Read more » | almost 10 years ago | |||
| mathew | "The sensor size is not definitive. The Infragram webcam is more sensitive than the SYBA, but has the same sensor size as the SANM camera. Its also..." | Read more » | almost 10 years ago | |||
| bsugar | "Thanks Jeff, I'll connect with @natalie. I'm doing a bit of research by taking a look at people who are hacking cameras. As I've looked at images..." | Read more » | almost 10 years ago | |||
| warren | "We had a truly terrible experience working with and ordering from SYBA, and one reason we moved to a different camera was to find a company which w..." | Read more » | almost 10 years ago | |||
| bsugar | "I'm looking to test out a new board since it seems like the consensus is that the SANM isn't as good for florescence. I'm trying to compare other ..." | Read more » | almost 10 years ago | |||
| mathew | "Gel caps fluoresce and we can't use them. And styrene is dissolved by oils. and we can't use it either. " | Read more » | almost 10 years ago | |||
| mathew | "Not only excellent research- that last photo has some high-modernist artistic merit! " | Read more » | almost 10 years ago | |||
| warren | "I also tried using a reflective metallic surface behind the cuvette to make the fluorescence brighter: It was hard to see, naked eye or by camer..." | Read more » | almost 10 years ago | |||
| donblair | "Oh a whim, I just searched for 'gelatin reagent' and got this: "The Thermo Scientific™ Remel 12.5% Gelatin Reagent, Acidified Mercuric Chloride is..." | Read more » | almost 10 years ago | |||
| mathew | "OK- complication-- gelatin will fluoresce when hit with UV: http://www.sciencedirect.com/science/article/pii/S0315546387710980 " | Read more » | almost 10 years ago | |||
| mathew | "yes-- I used even smaller ones, the #4 caps. they have a nice "snap" closed that seals them when pushed together. gelatin passes UV, I believe. ..." | Read more » | almost 10 years ago | |||
| donblair | "Ah, found a pic: " | Read more » | almost 10 years ago | |||
| donblair | "Woohoo! Mathew, this is brilliant. Could you include a closeup shot of the gel cap w/out liquid -- or I'll just search online -- are they relative..." | Read more » | almost 10 years ago | |||
| mathew | "that is heartening to see, that is a nice response curve for the oil " | Read more » | almost 10 years ago | |||
| mathew | "Hmmm... yeah. The SYBA was a good camera. it has 2x the silicon. I've been searching for 1/3" CCD security cameras-- that would put us back to th..." | Read more » | almost 10 years ago | |||
| warren | "Hi, Mat - I've noticed that olive oil fluorescence is much dimmer than crude oil fluorescence, and I shipped you some crude samples this morning. T..." | Read more » | almost 10 years ago | |||
| mathew | "I reported a lensing effect from the curved top of the gel caps, and wanted to answer the question of whether the fluorescence could be improved if..." | Read more » | almost 10 years ago | |||
| mathew | "what are Biro's? " | Read more » | almost 10 years ago | |||
| amysoyka | "How about using empty Biro's? " | Read more » | almost 10 years ago | |||
| warren | "You're right - it's a pretty high baseline. Something like 10%, no? I believe this is noise, but some may be related to infrared reflectivity insid..." | Read more » | almost 10 years ago | |||
| ttaylor | "Warren, it's really exciting to see this sort of technology diffusing out of academia. All of your question are interesting, here are a few more th..." | Read more » | almost 10 years ago | |||
| amysoyka | "@matthew, I tried that. It drove me crazy, trying to cut the slit's varying distances apart. (Imm, 2mm, 5mm...etc) Also, I found that I kept getti..." | Read more » | almost 10 years ago | |||
| mathew | "nice! @amysoyka. We're also thinking about cutting a bunch so they could be switched in and out at known widths. " | Read more » | almost 10 years ago |