| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| livingenaanasebh | "wow this is wondeful " | Read more » | over 1 year ago | |||
| Ag8n | "Thank you! Regards " | Read more » | over 2 years ago | |||
| xose | "Here the full Chandler - Lerner paper :) https://sci-hub.st/https://doi.org/10.1111/wej.12112 " | Read more » | over 2 years ago | |||
| Ag8n | "Found a file, labeled just 3414, that is a method for the analysis by fluorometer. They used 360 nm for excitation and then read the signal at 400..." | Read more » | over 2 years ago | |||
| xose | "@xose awards a barnstar to alejobonifacio for their awesome contribution! " | Read more » | over 2 years ago | |||
| alejobonifacio | "Hi again @Ag8n! I've just read again the Research Paper Chandler, D. M., & Lerner, D. N. (2015). A low cost method to detect polluted surface w..." | Read more » | over 2 years ago | |||
| alejobonifacio | "Hi @Ag8n !!! I am very happy that the project liked to you. I do not know if these kind of UV lamp (sterilizer) be more sensitive to optical bright..." | Read more » | over 2 years ago | |||
| Ag8n | "Very good project! With the corona virus, many uvc flashlights have become cheaply available. That would add some danger to the project. But wou..." | Read more » | over 2 years ago | |||
| danbeavers | "The cotton balls that I have do not have brighteners. I checked with my UV laser. I was wondering if they have the same absorption characteristic..." | Read more » | over 8 years ago | |||
| mcairns | "Hi All, Tampons shouldn't contain brighteners--we tested several different types, from the "all natural and organic" types, to plain old Tampax, to..." | Read more » | over 8 years ago | |||
| danbeavers | "I wonder if just plain cotton balls would work just as well? " | Read more » | over 8 years ago | |||
| gretchengehrke | "What kind of tampons did you use in this experiment? I was just looking up tampon materials, and it looks like different brands use cotton, rayon,..." | Read more » | over 8 years ago | |||
| warren | "This is one of the first things that was done with UV fluorescence with the Public Lab Spectrometer -- showing brighteners in free & clear laun..." | Read more » | over 8 years ago | |||
| gretchengehrke | "This is great. Using absorbent materials to concentrate aquatic contaminants for analysis has a good, long history and the next step -- extracting..." | Read more » | almost 9 years ago |