| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| nshapiro | "your google alerts game must be strong @amirberAgain :) " | Read more » | over 5 years ago | |||
| amirberAgain | "Kodus! https://www.sciencedirect.com/science/article/pii/S0360132318307248 " | Read more » | over 5 years ago | |||
| liz | "@liz awards a barnstar to haines241 for their awesome contribution! " | Read more » | about 6 years ago | |||
| briandegger | "Great article. Its also good to know about Renekabio(based in US and Indonesia ftw) and their set of assays. Is this the detection kit you used? h..." | Read more » | about 6 years ago | |||
| warren | "We're starting to compile a lot of different sensors and testing methods here -- could be of help! https://publiclab.org/wiki/water-sensors " | Read more » | over 6 years ago | |||
| fieldlab | "Yes, a good question @warren - possibly not, and I'm not sure how to find out, apart from buying a whole lot of cheap cell phones. I'll keep thinki..." | Read more » | almost 8 years ago | |||
| warren | "Hmm, interesting! Would a cell phone screen be a really consistent spectrum? I wonder how much variability there is in manufacturing. " | Read more » | almost 8 years ago | |||
| fieldlab | "Thanks for your reply @warren. There is pretty good discussion going on about this concept on hackaday for Pb detection in drinking water a la Flin..." | Read more » | almost 8 years ago | |||
| warren | "Hmm, interesting. I don't know much about paper assays, but this kit available online says: Smallest Increment: Steps: 0, 0.15, 0.3, 1, 1.5, 3 ppm..." | Read more » | almost 8 years ago | |||
| Slavik | "Looking for affordable alternative of http://store.vstapps.com/collections/frontpage/products/vst-lab-cof-esp-iii-refractometer " | Read more » | about 8 years ago | |||
| emontoya57 | "Very inspiring nice work!!! " | Read more » | over 8 years ago | |||
| breadytoroll | "@homechemist what is this "multi range LED" you refer to? I did a quick search online that didn't turn up any continuously varying LED's, could you..." | Read more » | over 8 years ago | |||
| warren | "Wow, @homechemist just posted a great update, here: http://publiclab.org/notes/homechemist/06-12-2015/the-importance-of-infrared-radiation-infrared..." | Read more » | almost 9 years ago | |||
| chemcarr | "This is very interesting. I am also working towards this kind of analysis, and especially open source accessible, whether fabrication or software/k..." | Read more » | about 9 years ago | |||
| Frikkie | "Just noticed video1's name show nitrate. Its meant to be nitrite, sorry about that. " | Read more » | about 9 years ago | |||
| Phil | "This is wicked Stuff! Thanks for sharing! " | Read more » | about 9 years ago | |||
| Frikkie | "For anyone who wants to try out the excel tool, here is the video’s for the recordings I made for the colorimetric nitrite analysis, the EC and fla..." | Read more » | about 9 years ago | |||
| jakemartin | "Here is the paper I was thinking of and it is an open paper so everyone should be able to read it. http://www.mdpi.com/1424-8220/8/4/2453 There is ..." | Read more » | over 9 years ago | |||
| jakemartin | "Thanks Mathew, The linearity in the sensor is a problem however it should be exponential so it can be removed. I am imagining the measurements of..." | Read more » | over 9 years ago | |||
| mathew | "I want to highlight this awesome part of your blog post: The next step is to see if quantitative fluorescent measurements could be done by using a..." | Read more » | over 9 years ago | |||
| mathew | "the linearity of that resistor is going to be temperature dependent and non-linear. it may be necessary to get another device to characterize it. ..." | Read more » | over 9 years ago | |||
| chemcarr | "Markdown Great ! I am thinking on similar lines. You have a great CuSO4 calibration curve there. I work with aquaponics lab ion the incredible aq..." | Read more » | over 9 years ago | |||
| homechemist | "Interesting, it´s kind a Tyndall effect no?, but however i think that is not enough accurate to "select" an specific wavelength like an specific fi..." | Read more » | over 9 years ago | |||
| amysoyka | "*sorry the PIC with my hand around it didn't give it justice...here is a better shot, with the blackout paper. " | Read more » | over 9 years ago |