| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| amirberAgain | "There are two devices I'm familiar with which could be relevant to your question: Nima - uses detection strips for gluten https://nimasensor.com/ ..." | Read more » | over 6 years ago | |||
| Ag8n | "What do you think of the ones that are transparent on all four sides? That way the cuvettes can be used for trans, abs, flores, or turbidity. The..." | Read more » | over 6 years ago | |||
| Shannon | "From Muki Haklay: Check Antonella Radicchi blogpost on the range of apps from last year http://www.opensourcesoundscapes.org/2016/08/28/a-tentative..." | Read more » | over 6 years ago | |||
| Primack | "You can monitor noise with a smartphone. Some apps also give you the time and location, and allow you to export the data via email. This provides ..." | Read more » | over 6 years ago | |||
| Bronwen | "Ah ha! Let's also have some: Tyvek tape or 3M construction tape Kite line and swivels. Well illustrated andbook including different kinds of kite s..." | Read more » | over 6 years ago | |||
| Ag8n | "Metals usually take instruments like atomic absorption (AA) or inductively coupled plasma (ICP). These instruments can NOT be done easily on the P..." | Read more » | over 6 years ago | |||
| aldehyde | "Hey folk, What kind of Framework (for Participatory PM2.5) can use for creating monitoring cities? " | Read more » | over 6 years ago | |||
| Ag8n | "It sounds like Warren answered the question. I can give some more background. Proteins contain nitrogen, which isn't present in many other milk c..." | Read more » | over 6 years ago | |||
| stef | "What I was alluding to is that with all of the filter attenuation, the cmos sensor was still overloaded. This can be seen in the spectra submitted..." | Read more » | over 6 years ago | |||
| Ag8n | "There are two approaches to this, the hardware and software. Sounds like you took care of the hardware end very well. Can you think of any softwa..." | Read more » | over 6 years ago | |||
| warren | "Hi, would this help? https://publiclab.org/notes/wagnerc4/02-05-2014/fat-percent-in-milk I think it's fat percent, not proteins, but it could be s..." | Read more » | over 6 years ago | |||
| stevie | "One idea from @dswenson that came from the open call yesterday was to use materials like sticky yellow flytraps like these " | Read more » | over 6 years ago | |||
| stef | "I have used photographic neutral density filters and have not been able to view the sun directly using the spec3 highly modified device. The attenu..." | Read more » | over 6 years ago | |||
| Ag8n | "Could someone double check on xrf for h2s? Xrf works on electrons closest to the nucleus. It could detect sulfur, but not h2s unless paired with ..." | Read more » | over 6 years ago | |||
| Ag8n | "Only one suggestion then. Sunlight can be strong. As a safety measure, partially block the sun and work your way up to full exposure. Might not ..." | Read more » | over 6 years ago | |||
| jsbonillam | "I am going to make and analyse the graphs with the wavelength and absorption. " | Read more » | over 6 years ago | |||
| warren | "@gilbert has compiled some more information on this over here: https://publiclab.org/notes/gilbert/09-22-2017/turbidity-mesurement-methods-regulati..." | Read more » | over 6 years ago | |||
| warren | "Sounds like that was $100? " | Read more » | over 6 years ago | |||
| warren | "@sara and @gretchengehrke have mentioned the "Corrosion Coupon" badge which uses both copper and silver -- I posted a question looking for some mor..." | Read more » | over 6 years ago | |||
| Bronwen | "Here's something that looks like 2 tests for $30 (page is a little light on information beyond that) http://chemsee-foods.com/H2S-KT1 " | Read more » | over 6 years ago | |||
| guolivar | "I tried to put a long answer here but it kept throwing errors so I wrote a note with my thoughts on this issue: https://publiclab.org/notes/guoliv..." | Read more » | over 6 years ago | |||
| Ag8n | "Please forgive the question, but what lines are you using and what method of analysis? Thank you for the information. " | Read more » | over 6 years ago | |||
| warren | "Ah, i see. That'd be this issue, also as-yet unsolved: https://github.com/publiclab/mapknitter/issues/192 Sorry, we're mobilizing to try to recrui..." | Read more » | over 6 years ago | |||
| warren | "Oh, i don't know, but it looks very cool! " | Read more » | over 6 years ago |