| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| Ag8n | "Was checking one of the online vendors. Found new centrifuges for $70. Industrial quality centrifuge costs were much higher, but who knows. If y..." | Read more » | almost 2 years ago | |||
| Ag8n | "Ok. Trying to stay as close to duplicate the original paper as closely as possible. R.la cera isn't in this area. But other closely related liche..." | Read more » | almost 2 years ago | |||
| Ag8n | "One word of warning. Solvents ( like acetone) and plastic cuvettes do not usually go together. The worst case is the plastic melts, but the plast..." | Read more » | almost 2 years ago | |||
| Ag8n | "Still have to do more work. But the acetone extract seems like something that might be doable in a home lab type situation. The acetone extract i..." | Read more » | almost 2 years ago | |||
| Ag8n | "I went to ohiomosslichen.org/ to see what's in the ohio area. Didn't seem like there was anything directly comparable to the lichens in the paper..." | Read more » | about 2 years ago | |||
| Ag8n | "Out of curiosity only. " | Read more » | about 2 years ago | |||
| Ag8n | "Ok, the parameters are listed. Is there an example of a study set up? " | Read more » | about 2 years ago | |||
| Ag8n | "Thank you. That's what I was after. Much appreciated!!! " | Read more » | about 2 years ago | |||
| Ag8n | "Working my way through the paper. One of the things the original talks about is " Extraction by immersion in DMSO" and "OD435/OD415 nm". This is ..." | Read more » | about 2 years ago | |||
| Ag8n | "Quite interesting. It will take several more readings before it's understood. " | Read more » | about 2 years ago | |||
| Ag8n | "Has Medtronic been approached about this? That should probably be the first approach. As far as the rest of it goes... We made catheters, heart a..." | Read more » | about 2 years ago | |||
| Ag8n | "On battery life- it wasn't very good. Mercury (as in mercury lamps) have a lot of lines that go all through the uv/vis spectrum. For a while(as in ..." | Read more » | about 2 years ago | |||
| Ag8n | "I got one of the 254 nm UVC lamps that might be usable for an uv/vis instrument as a gift . It's advertised as for sterilization of surfaces. The ..." | Read more » | about 2 years ago | |||
| Ag8n | "Sorry, but I only have access to the abstract. The wavelength mentioned there is 633 nm. Is the correct wavelength 633 nm or 533 nm? Regards " | Read more » | about 2 years ago | |||
| Ag8n | "Maybe transmission is possible. Most of the materials we analyzed could only be tested with reflectance. See if that makes sense for the material..." | Read more » | about 2 years ago | |||
| Ag8n | "Take a look at the video for the standardization of the instrument. If I read it correctly, with a few changes in the software (they list the code..." | Read more » | about 2 years ago | |||
| Ag8n | "I think your best bet is to call ocean optics. They used to be open to experimentation with their equipment. Unfortunately, the last time I dealt..." | Read more » | over 2 years ago | |||
| Ag8n | "I don't plan on making the modifications in the near future. If someone else would like to try it, feel free. To me, this is the initial investig..." | Read more » | over 2 years ago | |||
| Ag8n | "Thank you for the help. Have you used ASTM D6592-1? It was written in 2001 and removed in 2010 (apparently for no revalidation). But it used chem..." | Read more » | over 2 years ago | |||
| Ag8n | "Thank you for the papers. Still working my way through them. Wanted to comment on the difference between chemi-,bio-,and straight luminescence. ..." | Read more » | over 2 years ago | |||
| Ag8n | "A big problem with this type of instrument isn't the concept. That's not too hard. It's getting the reaction to go at a decent rate. Not too fas..." | Read more » | over 2 years ago | |||
| Ag8n | "The blood analyzer instruments from say 2000 were good, but not an order of magnitude better than those of a few years earlier. What was different..." | Read more » | over 2 years ago | |||
| Ag8n | "Looks great! " | Read more » | almost 3 years ago | |||
| Ag8n | "If a source like the sun or an incandescent lamp is used, then maybe using a photographic bg20 filter as a standard would do. The spectrum they a..." | Read more » | almost 3 years ago |