otkbeta
otkbeta


Author Comment Last activity Moderation
stoft "Jeff, I did a few quick tests and added an "Opacity" section above. While more observations are needed, these limited results are interesting. " | Read more » over 8 years ago
stoft "Thanks; good comments. 1 - Dilution: I updated the note to clarify that the larger signals were only attenuated to better match the range of the w..." | Read more » over 8 years ago
warren "I especially appreciated your introduction of a "false positive" of laundry detergent here; excellently displayed too. In your first two conclusio..." | Read more » over 8 years ago
warren "There is a LOT in this post; first, thank you Dave for a very thorough analysis! I'm sure I'll have more to add, but to start with, a clarificatio..." | Read more » over 8 years ago
eustatic "wow " | Read more » over 8 years ago
stoft "Gretchen, thanks for the insight. I'd read that the generally broad fluorescence spectrum is, as would be expected, a combination of many spectral..." | Read more » over 8 years ago
gretchengehrke "This is a really great post, Dave! As for the concentration effects, in addition to quenching, there is also shielding, and there can be another p..." | Read more » over 8 years ago
stoft "I just ran some new calculations looking at the curves from my existing data and found a possible correlation between oil density and the centroid ..." | Read more » over 8 years ago
stoft "Jeff, thanks. 1 - Yes, you are right, there is a "glow" from EVO. However, that peak is small and out at 650nm past where it has little effect. I ..." | Read more » over 8 years ago
warren " "visually differentiate between the five (5) test samples" - here, you mean based on qualitative visual inspection of the graphs, right? Do you be..." | Read more » over 8 years ago
warren "This is super, and very impressive, Dave. I have a number of comments/questions, but I'll start with just a few: I'm very surprised to hear that ..." | Read more » over 8 years ago
stevie "In a set, the beta program has people to post the "sets" in a research note. I smoothed the individual scans and compiled them as a set and posted ..." | Read more » over 8 years ago
warren "Oh, but are these in a set, or individual? Maybe auto-smooth is not working in the old sets viewer only when viewing spectra individually? " | Read more » over 8 years ago
stevie "It's the "auto smooth 10 rows below" button right? here are the two graphs:: Smoothed:: Not Smoothed: " | Read more » over 8 years ago
warren "Oh, interesting. Can you make a set which compares smoothed vs. non-smoothed? In my tests, it reduced noise/spikiness, which helped discourage me f..." | Read more » over 8 years ago
stevie "Another question I had was why we "auto smooth" each sample. I saw no difference from when I did this on my sample sets from when it wasn't done (I..." | Read more » over 8 years ago
warren "It only reads the top line of the image; this is documented but not as clearly as it should be. I just added this line to the display to help clari..." | Read more » over 8 years ago
stevie "the "20w50 A" was my first scan. Might have taken me a bit to get these consistent, but I'm not really sure why it was so different. I equalized th..." | Read more » over 8 years ago
warren "Wow, your scans look really awesome and consistent! the 20x50 less so, but still good. Why do you think the 20w50 varied more? Are all of those are..." | Read more » over 8 years ago