| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| mathew | "poop. the caps fluoresce. " | Read more » | about 10 years ago | |||
| mathew | "I will test an empty gelcap for fluorescence now. I searched google maps for a "compounding pharmacy" in my neighborhood and found one close by. T..." | Read more » | about 10 years ago | |||
| warren | "I tried to find gel caps but CVS didn't have them; I was going to order online but saw your note about the fluorescence... should I still order them? " | Read more » | about 10 years ago | |||
| warren | "Do you (or jack) mean getting the laser to be in the same place each time with relation to the slit? If the laser is fixed in place by the cardboar..." | Read more » | about 10 years ago | |||
| mathew | "@JSummers was commenting that the light path on my gel caps was never going to be consistent enough to compare to the laser peak. this seems to be..." | Read more » | about 10 years ago | |||
| warren | "Actually, kind of amazing -- for the Creative webcam ones, not enough laser was actually reflected into the spectrometer to get the 405nm peak... c..." | Read more » | about 10 years ago | |||
| warren | "Oh, edit: the Creative had a wider than usual slit -- maybe 1.25mm or so. So maybe the clipping in the blue channel wouldn't be as bad with a littl..." | Read more » | about 10 years ago |